Move `compile-fail` tests to `ui`

[estebank]

There are some cases where compile-fail errors are still needed, as ui errors require the output to be exact and consistent across executions and platforms. That being said, the vast majority of errors can be safely moved.

The process is straightforward:

• git mv src/test/compile-fail/$FILE.rs src/test/ui/$FEATURE-DIR/$FILE.rs
• Run the compiler tests: ./x.py test --stage 1 src/test/ui
• ./src/test/ui/update-all-references ./build/x86_64-apple-darwin/test/ui (replace x86_64-apple-darwin with whatever environment you're working on)
• git add src/test/ui/$FEATURE-DIR/$FILE.stderr
• git commit -m "Moving $FILE test to ui"

You don't need to move only one file at a time, but avoid trying to do all at once, as that will probably cause too many conflicts with PRs being merged precluding these changes from landing.

The following is a list of all files and directories (without checking wether they can be moved at this time, I will audit this list at a later time):

Click to expand

• E0001.rs
• E0004-2.rs
• E0004.rs
• E0005.rs
• E0007.rs
• E0008.rs
• E0009.rs
• E0010.rs
• E0017.rs
• E0023.rs
• E0025.rs
• E0026.rs
• E0027.rs
• E0029.rs
• E0030.rs
• E0033.rs
• E0034.rs
• E0038.rs
• E0040.rs
• E0044.rs
• E0045.rs
• E0049.rs
• E0050.rs
• E0054.rs
• E0055.rs
• E0057.rs
• E0059.rs
• E0060.rs
• E0061.rs
• E0062.rs
• E0063.rs
• E0067.rs
• E0069.rs
• E0070.rs
• E0071.rs
• E0075.rs
• E0076.rs
• E0077.rs
• E0080.rs
• E0081.rs
• E0084.rs
• E0087.rs
• E0088.rs
• E0089.rs
• E0090.rs
• E0091.rs
• E0092.rs
• E0093.rs
• E0094.rs
• E0106.rs
• E0107.rs
• E0109.rs
• E0110.rs
• E0116.rs
• E0117.rs
• E0118.rs
• E0119.rs
• E0120.rs
• E0121.rs
• E0124.rs
• E0128.rs
• E0130.rs
• E0131.rs
• E0132.rs
• E0133.rs
• E0137.rs
• E0138.rs
• E0152.rs
• E0161.rs
• E0162.rs
• E0164.rs
• E0165.rs
• E0184.rs
• E0185.rs
• E0186.rs
• E0191.rs
• E0192.rs
• E0194.rs
• E0195.rs
• E0197.rs
• E0198.rs
• E0199.rs
• E0200.rs
• E0201.rs
• E0206.rs
• E0207.rs
• E0214.rs
• E0220.rs
• E0221.rs
• E0223.rs
• E0225.rs
• E0229.rs
• E0232.rs
• E0243.rs
• E0244.rs
• E0252.rs
• E0253.rs
• E0254.rs
• E0255.rs
• E0259.rs
• E0260.rs
• E0261.rs
• E0262.rs
• E0263.rs
• E0264.rs
• E0267.rs
• E0268.rs
• E0271.rs
• E0275.rs
• E0276.rs
• E0277-2.rs
• E0277.rs
• E0282.rs
• E0283.rs
• E0296.rs
• E0297.rs
• E0301.rs
• E0302.rs
• E0303.rs
• E0308-2.rs
• E0308-4.rs
• E0308.rs
• E0365.rs
• E0370.rs
• E0374.rs
• E0375.rs
• E0376.rs
• E0388.rs
• E0389.rs
• E0390.rs
• E0392.rs
• E0393.rs
• E0394.rs
• E0395.rs
• E0396.rs
• E0401.rs
• E0403.rs
• E0404.rs
• E0405.rs
• E0407.rs
• E0408.rs
• E0411.rs
• E0412.rs
• E0415.rs
• E0416.rs
• E0423.rs
• E0424.rs
• E0425.rs
• E0426.rs
• E0428.rs
• E0429.rs
• E0430.rs
• E0431.rs
• E0432.rs
• E0433.rs
• E0434.rs
• E0435.rs
• E0437.rs
• E0438.rs
• E0439.rs
• E0440.rs
• E0441.rs
• E0442.rs
• E0443.rs
• E0444.rs
• E0445.rs
• E0446.rs
• E0449.rs
• E0451.rs
• E0452.rs
• E0453.rs
• E0454.rs
• E0458.rs
• E0459.rs
• E0463.rs
• E0478.rs
• E0492.rs
• E0494.rs
• E0496.rs
• E0499.rs
• E0501.rs
• E0502.rs
• E0503.rs
• E0504.rs
• E0505.rs
• E0506.rs
• E0507.rs
• E0508.rs
• E0509.rs
• E0511.rs
• E0512.rs
• E0516.rs
• E0517.rs
• E0518.rs
• E0520.rs
• E0522.rs
• E0527.rs
• E0528.rs
• E0529.rs
• E0530.rs
• E0534.rs
• E0558.rs
• E0559.rs
• E0560.rs
• E0565-1.rs
• E0565.rs
• E0572.rs
• E0580.rs
• E0582.rs
• E0583.rs
• E0585.rs
• E0586.rs
• E0596.rs
• E0597.rs
• E0600.rs
• E0602.rs
• E0603.rs
• E0604.rs
• E0605.rs
• E0606.rs
• E0607.rs
• E0608.rs
• E0609.rs
• E0610.rs
• E0611.rs
• E0612.rs
• E0614.rs
• E0615.rs
• E0616.rs
• E0617.rs
• E0618.rs
• E0619.rs
• E0620.rs
• E0621-does-not-trigger-for-closures.rs
• E0622.rs
• E0624.rs
• E0637.rs
• access-mode-in-closures.rs
• allocator
• anon-params-deprecated.rs
• arg-count-mismatch.rs
• arg-type-mismatch.rs
• array-not-vector.rs
• array_const_index-0.rs
• array_const_index-1.rs
• asm-bad-clobber.rs
• asm-gated.rs
• asm-gated2.rs
• asm-in-bad-modifier.rs
• asm-misplaced-option.rs
• asm-out-assign-imm.rs
• asm-out-no-modifier.rs
• asm-out-read-uninit.rs
• asm-src-loc-codegen-units.rs
• asm-src-loc.rs
• assign-imm-local-twice.rs
• assign-to-method.rs
• assignment-operator-unimplemented.rs
• assoc-inherent.rs
• associated-const-ambiguity-report.rs
• associated-const-array-len.rs
• associated-const-dead-code.rs
• associated-const-generic-obligations.rs
• associated-const-impl-wrong-lifetime.rs
• associated-const-impl-wrong-type.rs
• associated-const-no-item.rs
• associated-const-private-impl.rs
• associated-const-type-parameter-arms.rs
• associated-const-type-parameter-arrays-2.rs
• associated-const-type-parameter-arrays.rs
• associated-const-upper-case-lint.rs
• associated-item-duplicate-names-2.rs
• associated-item-duplicate-names-3.rs
• associated-item-duplicate-names.rs
• associated-path-shl.rs
• associated-type-projection-ambig-between-bound-and-where-clause.rs
• associated-type-projection-from-multiple-supertraits.rs
• associated-type-projection-from-supertrait.rs
• associated-types
• associated-types-ICE-when-projecting-out-of-err.rs
• associated-types-binding-to-type-defined-in-supertrait.rs
• associated-types-bound-failure.rs
• associated-types-coherence-failure.rs
• associated-types-eq-1.rs
• associated-types-eq-2.rs
• associated-types-eq-3.rs
• associated-types-eq-expr-path.rs
• associated-types-eq-hr.rs
• associated-types-for-unimpl-trait.rs
• associated-types-in-ambiguous-context.rs
• associated-types-incomplete-object.rs
• associated-types-invalid-trait-ref-issue-18865.rs
• associated-types-issue-17359.rs
• associated-types-issue-20346.rs
• associated-types-multiple-types-one-trait.rs
• associated-types-no-suitable-bound.rs
• associated-types-no-suitable-supertrait-2.rs
• associated-types-no-suitable-supertrait.rs
• associated-types-outlives.rs
• associated-types-overridden-default.rs
• associated-types-path-1.rs
• associated-types-path-2.rs
• associated-types-project-from-hrtb-in-fn-body.rs
• associated-types-project-from-hrtb-in-fn.rs
• associated-types-project-from-hrtb-in-struct.rs
• associated-types-project-from-hrtb-in-trait-method.rs
• associated-types-projection-to-unrelated-trait-in-method-without-default.rs
• associated-types-subtyping-1.rs
• associated-types-unconstrained.rs
• associated-types-unsized.rs
• attempted-access-non-fatal.rs
• attr-bad-crate-attr.rc
• attr-literals.rs
• attr-on-generic-formals-are-visited.rs
• attr-on-generic-formals-wo-feature-gate.rs
• attr-usage-inline.rs
• attr-usage-repr.rs
• attrs-with-no-formal-in-generics-1.rs
• attrs-with-no-formal-in-generics-2.rs
• attrs-with-no-formal-in-generics-3.rs
• augmented-assignments.rs
• auto-ref-slice-plus-ref.rs
• autoderef-full-lval.rs
• bad-const-type.rs
• bad-env-capture.rs
• bad-env-capture2.rs
• bad-env-capture3.rs
• bad-expr-lhs.rs
• bad-expr-path.rs
• bad-expr-path2.rs
• bad-extern-link-attrs.rs
• bad-intrinsic-monomorphization.rs
• bad-lint-cap.rs
• bad-lint-cap2.rs
• bad-lint-cap3.rs
• bad-main.rs
• bad-method-typaram-kind.rs
• bad-mid-path-type-params.rs
• bad-module.rs
• bad-sized.rs
• bad-type-env-capture.rs
• binary-op-on-double-ref.rs
• bind-by-move-neither-can-live-while-the-other-survives-2.rs
• bind-by-move-neither-can-live-while-the-other-survives-3.rs
• bind-by-move-neither-can-live-while-the-other-survives-4.rs
• bind-by-move-no-guards.rs
• binop-bitxor-str.rs
• binop-consume-args.rs
• binop-logic-float.rs
• binop-logic-int.rs
• binop-move-semantics.rs
• binop-mul-bool.rs
• binop-typeck.rs
• blind-item-block-item-shadow.rs
• blind-item-block-middle.rs
• blind-item-item-shadow.rs
• bogus-tag.rs
• borrow-immutable-upvar-mutation.rs
• borrow-tuple-fields.rs
• borrowck
• break-outside-loop.rs
• builtin-superkinds-double-superkind.rs
• builtin-superkinds-in-metadata.rs
• builtin-superkinds-self-type.rs
• builtin-superkinds-simple.rs
• builtin-superkinds-typaram-not-send.rs
• by-move-pattern-binding.rs
• call-fn-never-arg-wrong-type.rs
• can-begin-expr-check.rs
• cannot-mutate-captured-non-mut-var.rs
• capture1.rs
• cast-as-bool.rs
• cast-from-nil.rs
• cast-ptr-to-int-const.rs
• cast-rfc0401-2.rs
• cast-to-bare-fn.rs
• cast-to-nil.rs
• catch-bad-lifetime.rs
• catch-bad-type.rs
• catch-in-match.rs
• catch-in-while.rs
• catch-maybe-bad-lifetime.rs
• catch-opt-init.rs
• cdylib-deps-must-be-static.rs
• cfg-arg-invalid.rs
• cfg-attr-cfg-2.rs
• cfg-attr-crate-2.rs
• cfg-attr-invalid-predicate.rs
• cfg-attr-unknown-attribute-macro-expansion.rs
• cfg-empty-codemap.rs
• cfg-in-crate-1.rs
• cfg-non-opt-expr.rs
• cfg_attr_path.rs
• changing-crates.rs
• check-static-immutable-mut-slices.rs
• check-static-values-constraints.rs
• class-cast-to-trait.rs
• class-method-missing.rs
• class-missing-self.rs
• cleanup-rvalue-scopes-cf.rs
• closure-bounds-cant-promote-superkind-in-struct.rs
• closure-bounds-static-cant-capture-borrowed.rs
• closure-bounds-subtype.rs
• closure-no-fn-1.rs
• closure-no-fn-2.rs
• closure-no-fn-3.rs
• closure-referencing-itself-issue-25954.rs
• closure-reform-bad.rs
• closure-wrong-kind.rs
• coerce-expect-unsized-ascribed.rs
• coerce-mut.rs
• coerce-overloaded-autoderef.rs
• coerce-to-bang-cast.rs
• coerce-to-bang.rs
• coerce-unsafe-to-closure.rs
• coercion-slice.rs
• coherence-all-remote.rs
• coherence-bigint-param.rs
• coherence-blanket-conflicts-with-blanket-implemented.rs
• coherence-blanket-conflicts-with-blanket-unimplemented.rs
• coherence-blanket-conflicts-with-specific-cross-crate.rs
• coherence-blanket-conflicts-with-specific-multidispatch.rs
• coherence-blanket-conflicts-with-specific-trait.rs
• coherence-blanket-conflicts-with-specific.rs
• coherence-conflicting-negative-trait-impl.rs
• coherence-cow.rs
• coherence-cross-crate-conflict.rs
• coherence-default-trait-impl.rs
• coherence-error-suppression.rs
• coherence-impl-trait-for-trait-object-safe.rs
• coherence-impl-trait-for-trait.rs
• coherence-impls-copy.rs
• coherence-impls-send.rs
• coherence-impls-sized.rs
• coherence-inherited-assoc-ty-cycle-err.rs
• coherence-lone-type-parameter.rs
• coherence-negative-impls-safe.rs
• coherence-no-direct-lifetime-dispatch.rs
• coherence-orphan.rs
• coherence-overlap-all-t-and-tuple.rs
• coherence-overlap-downstream-inherent.rs
• coherence-overlap-downstream.rs
• coherence-overlap-issue-23516-inherent.rs
• coherence-overlap-issue-23516.rs
• coherence-overlap-messages.rs
• coherence-overlap-upstream-inherent.rs
• coherence-overlap-upstream.rs
• coherence-overlapping-pairs.rs
• coherence-pair-covered-uncovered-1.rs
• coherence-pair-covered-uncovered.rs
• coherence-projection-conflict-orphan.rs
• coherence-projection-conflict-ty-param.rs
• coherence-projection-conflict.rs
• coherence-projection-ok-orphan.rs
• coherence-projection-ok.rs
• coherence-tuple-conflict.rs
• coherence-vec-local-2.rs
• coherence-vec-local.rs
• coherence_copy_like_err_fundamental_struct.rs
• coherence_copy_like_err_fundamental_struct_ref.rs
• coherence_copy_like_err_fundamental_struct_tuple.rs
• coherence_copy_like_err_struct.rs
• coherence_copy_like_err_tuple.rs
• coherence_inherent.rs
• coherence_inherent_cc.rs
• coherence_local.rs
• coherence_local_err_struct.rs
• coherence_local_err_tuple.rs
• coherence_local_ref.rs
• compile_error_macro.rs
• concat.rs
• concat_idents-gate.rs
• concat_idents-gate2.rs
• conflicting-repr-hints.rs
• const-array-oob-arith.rs
• const-array-oob.rs
• const-block-non-item-statement-2.rs
• const-block-non-item-statement-3.rs
• const-block-non-item-statement.rs
• const-call.rs
• const-cast-different-types.rs
• const-cast-wrong-type.rs
• const-deref-ptr.rs
• const-err-early.rs
• const-err-multi.rs
• const-err.rs
• const-err2.rs
• const-eval-overflow-2.rs
• const-eval-overflow-3.rs
• const-eval-overflow-3b.rs
• const-eval-overflow-4.rs
• const-eval-overflow-4b.rs
• const-eval-overflow.rs
• const-eval-span.rs
• const-fn-destructuring-arg.rs
• const-fn-error.rs
• const-fn-feature-flags.rs
• const-fn-mismatch.rs
• const-fn-not-in-trait.rs
• const-fn-not-safe-for-const.rs
• const-fn-stability-calls-3.rs
• const-fn-stability.rs
• const-index-feature-gate.rs
• const-integer-bool-ops.rs
• const-len-underflow-separate-spans.rs
• const-len-underflow-subspans.rs
• const-match-pattern-arm.rs
• const-pattern-irrefutable.rs
• const-pattern-not-const-evaluable.rs
• const-recursive.rs
• const-size_of-cycle.rs
• const-slice-oob.rs
• const-tup-index-span.rs
• const-unsized.rs
• constructor-lifetime-args.rs
• copy-a-resource.rs
• crate-name-mismatch.rs
• crateresolve1.rs
• cross-borrow-trait.rs
• cross-fn-cache-hole.rs
• custom_attribute.rs
• cycle-projection-based-on-where-clause.rs
• cycle-trait-default-type-trait.rs
• cycle-trait-supertrait-direct.rs
• cycle-trait-supertrait-indirect.rs
• dead-code-closure-bang.rs
• dead-code-ret.rs
• defaulted-unit-warning.rs
• dep-graph-assoc-type-trans.rs
• dep-graph-caller-callee.rs
• dep-graph-struct-signature.rs
• dep-graph-trait-impl-two-traits-same-method.rs
• dep-graph-trait-impl-two-traits.rs
• dep-graph-trait-impl.rs
• dep-graph-type-alias.rs
• dep-graph-variance-alias.rs
• dep_graph_crosscontaminate_tables.rs
• deprecated_no_stack_check.rs
• deprecation-in-staged-api.rs
• deprecation-lint-2.rs
• deprecation-lint-3.rs
• deprecation-lint-nested.rs
• deprecation-lint.rs
• deprecation-sanity.rs
• deref-non-pointer.rs
• derive-assoc-type-not-impl.rs
• derived-errors
• derives-span-Clone-enum-struct-variant.rs
• derives-span-Clone-enum.rs
• derives-span-Clone-struct.rs
• derives-span-Clone-tuple-struct.rs
• derives-span-Debug-enum-struct-variant.rs
• derives-span-Debug-enum.rs
• derives-span-Debug-struct.rs
• derives-span-Debug-tuple-struct.rs
• derives-span-Default-struct.rs
• derives-span-Default-tuple-struct.rs
• derives-span-Eq-enum-struct-variant.rs
• derives-span-Eq-enum.rs
• derives-span-Eq-struct.rs
• derives-span-Eq-tuple-struct.rs
• derives-span-Hash-enum-struct-variant.rs
• derives-span-Hash-enum.rs
• derives-span-Hash-struct.rs
• derives-span-Hash-tuple-struct.rs
• derives-span-Ord-enum-struct-variant.rs
• derives-span-Ord-enum.rs
• derives-span-Ord-struct.rs
• derives-span-Ord-tuple-struct.rs
• derives-span-PartialEq-enum-struct-variant.rs
• derives-span-PartialEq-enum.rs
• derives-span-PartialEq-struct.rs
• derives-span-PartialEq-tuple-struct.rs
• derives-span-PartialOrd-enum-struct-variant.rs
• derives-span-PartialOrd-enum.rs
• derives-span-PartialOrd-struct.rs
• derives-span-PartialOrd-tuple-struct.rs
• deriving-bounds.rs
• deriving-copyclone.rs
• deriving-meta-unknown-trait.rs
• deriving-no-inner-impl-error-message.rs
• deriving-non-type.rs
• deriving-primitive.rs
• destructure-trait-ref.rs
• directory_ownership
• disallowed-deconstructing-destructing-struct-let.rs
• disallowed-deconstructing-destructing-struct-match.rs
• discrim-ill-typed.rs
• discrim-overflow-2.rs
• discrim-overflow.rs
• diverging-fn-tail-35849.rs
• diverging-tuple-parts-39485.rs
• does-nothing.rs
• dollar-crate-is-keyword-2.rs
• dollar-crate-is-keyword.rs
• double-import.rs
• double-type-import.rs
• drop-on-non-struct.rs
• drop-with-active-borrows-1.rs
• drop-with-active-borrows-2.rs
• dropck_no_diverge_on_nonregular_1.rs
• dropck_no_diverge_on_nonregular_2.rs
• dropck_no_diverge_on_nonregular_3.rs
• dropck_trait_cycle_checked.rs
• dst-bad-assign-2.rs
• dst-bad-assign-3.rs
• dst-bad-assign.rs
• dst-bad-coerce1.rs
• dst-bad-coerce2.rs
• dst-bad-coerce3.rs
• dst-bad-coerce4.rs
• dst-bad-coercions.rs
• dst-bad-deep-2.rs
• dst-bad-deep.rs
• dst-index.rs
• dst-object-from-unsized-type.rs
• dst-rvalue.rs
• dst-sized-trait-param.rs
• dupe-symbols-1.rs
• dupe-symbols-2.rs
• dupe-symbols-3.rs
• dupe-symbols-4.rs
• dupe-symbols-5.rs
• dupe-symbols-6.rs
• dupe-symbols-7.rs
• duplicate-check-macro-exports.rs
• duplicate-parameter.rs
• duplicate-type-parameter.rs
• duplicate_entry_error.rs
• elided-test.rs
• empty-comment.rs
• empty-extern-arg.rs
• empty-linkname.rs
• empty-macro-use.rs
• empty-struct-braces-expr.rs
• empty-struct-braces-pat-1.rs
• empty-struct-braces-pat-2.rs
• empty-struct-braces-pat-3.rs
• empty-struct-tuple-pat.rs
• empty-struct-unit-expr.rs
• empty-struct-unit-pat.rs
• enable-unstable-lib-feature.rs
• enum-and-module-in-same-scope.rs
• enum-discrim-autosizing.rs
• enum-discrim-too-small.rs
• enum-discrim-too-small2.rs
• enum-in-scope.rs
• enum-to-float-cast-2.rs
• enum-to-float-cast.rs
• enum-variant-type-2.rs
• enums-pats-not-idents.rs
• error-should-say-copy-not-pod.rs
• estr-subtyping.rs
• eval-enum.rs
• exclusive-drop-and-copy.rs
• exclusive_range_pattern_syntax_collision.rs
• exclusive_range_pattern_syntax_collision2.rs
• exclusive_range_pattern_syntax_collision3.rs
• expanded-cfg.rs
• explicit-call-to-dtor.rs
• explicit-call-to-supertrait-dtor.rs
• explicit-self-lifetime-mismatch.rs
• export-fully-qualified.rs
• export-import.rs
• export-tag-variant.rs
• export.rs
• export2.rs
• expr_attr_paren_order.rs
• ext-nonexistent.rs
• extenv-arg-2-not-string-literal.rs
• extenv-no-args.rs
• extenv-not-defined-custom.rs
• extenv-not-defined-default.rs
• extenv-not-string-literal.rs
• extenv-too-many-args.rs
• extern-crate-visibility.rs
• extern-main-fn.rs
• extern-with-type-bounds.rs
• extern-wrong-value-type.rs
• extoption_env-no-args.rs
• extoption_env-not-string-literal.rs
• extoption_env-too-many-args.rs
• fail-no-dead-code-core.rs
• fail-no-dead-code.rs
• fail-simple.rs
• fat-ptr-cast.rs
• feature-gate
• feature-gate-abi-msp430-interrupt.rs
• feature-gate-abi-sysv64.rs
• feature-gate-abi.rs
• feature-gate-advanced-slice-features.rs
• feature-gate-allocator_internals.rs
• feature-gate-allow-internal-unsafe-nested-macro.rs
• feature-gate-allow-internal-unstable-nested-macro.rs
• feature-gate-allow-internal-unstable-struct.rs
• feature-gate-allow-internal-unstable.rs
• feature-gate-allow_fail.rs
• feature-gate-assoc-type-defaults.rs
• feature-gate-box-expr.rs
• feature-gate-box-pat.rs
• feature-gate-catch_expr.rs
• feature-gate-cfg-target-feature.rs
• feature-gate-cfg-target-has-atomic.rs
• feature-gate-cfg-target-thread-local.rs
• feature-gate-cfg-target-vendor.rs
• feature-gate-clone-closures.rs
• feature-gate-compiler-builtins.rs
• feature-gate-const-indexing.rs
• feature-gate-copy-closures.rs
• feature-gate-decl_macro.rs
• feature-gate-doc_cfg.rs
• feature-gate-doc_masked.rs
• feature-gate-dropck-ugeh-2.rs
• feature-gate-dropck-ugeh.rs
• feature-gate-exclusive-range-pattern.rs
• feature-gate-feature-gate.rs
• feature-gate-fn_must_use-cap-lints-allow.rs
• feature-gate-fn_must_use.rs
• feature-gate-fundamental.rs
• feature-gate-generators.rs
• feature-gate-global_allocator.rs
• feature-gate-global_asm.rs
• feature-gate-intrinsics.rs
• feature-gate-lang-items.rs
• feature-gate-linker-flavor.rs
• feature-gate-macro-vis-matcher.rs
• feature-gate-main.rs
• feature-gate-match_beginning_vert.rs
• feature-gate-may-dangle.rs
• feature-gate-needs-allocator.rs
• feature-gate-negate-unsigned.rs
• feature-gate-no-debug-2.rs
• feature-gate-no-debug.rs
• feature-gate-omit-gdb-pretty-printer-section.rs
• feature-gate-on-unimplemented.rs
• feature-gate-optin-builtin-traits.rs
• feature-gate-overlapping_marker_traits.rs
• feature-gate-placement-expr.rs
• feature-gate-plugin.rs
• feature-gate-prelude_import.rs
• feature-gate-profiler-runtime.rs
• feature-gate-repr-simd.rs
• feature-gate-repr128.rs
• feature-gate-repr_align.rs
• feature-gate-rustc-attrs.rs
• feature-gate-rustc-diagnostic-macros.rs
• feature-gate-rustc_const_unstable.rs
• feature-gate-sanitizer-runtime.rs
• feature-gate-simd-ffi.rs
• feature-gate-simd.rs
• feature-gate-slice-patterns.rs
• feature-gate-staged_api.rs
• feature-gate-start.rs
• feature-gate-static-nobundle.rs
• feature-gate-stmt_expr_attributes.rs
• feature-gate-unboxed-closures-manual-impls.rs
• feature-gate-unboxed-closures-method-calls.rs
• feature-gate-unboxed-closures-ufcs-calls.rs
• feature-gate-unboxed-closures.rs
• feature-gate-underscore-lifetimes.rs
• feature-gate-unsized_tuple_coercion.rs
• feature-gate-unwind-attributes.rs
• feature-gate-used.rs
• feature-gated-feature-in-macro-arg.rs
• float-literal-inference-restrictions.rs
• fn-bad-block-type.rs
• fn-compare-mismatch.rs
• fn-item-type.rs
• fn-trait-formatting.rs
• for-expn.rs
• for-loop-bogosity.rs
• for-loop-hygiene.rs
• for-loop-refutable-pattern-error-message.rs
• for-loop-type-error.rs
• for-loop-unconstrained-element-type.rs
• foreign-fn-return-lifetime.rs
• foreign-unsafe-fn-called.rs
• forget-init-unsafe.rs
• fully-qualified-type-name1.rs
• fully-qualified-type-name2.rs
• fully-qualified-type-name3.rs
• fully-qualified-type-name4.rs
• functional-struct-update-noncopyable.rs
• functional-struct-update-respects-privacy.rs
• future-incompatible-lint-group.rs
• gated-attr-literals.rs
• gated-bad-feature.rs
• gated-box-syntax.rs
• gated-concat_idents.rs
• gated-link-args.rs
• gated-link-llvm-intrinsics.rs
• gated-naked_functions.rs
• gated-no-core.rs
• gated-non-ascii-idents.rs
• gated-plugin_registrar.rs
• gated-target_feature.rs
• gated-thread-local.rs
• gated-trace_macros.rs
• generic-extern-lifetime.rs
• generic-extern.rs
• generic-impl-less-params-with-defaults.rs
• generic-impl-more-params-with-defaults.rs
• generic-lifetime-trait-impl.rs
• generic-no-mangle.rs
• generic-non-trailing-defaults.rs
• generic-type-less-params-with-defaults.rs
• generic-type-more-params-with-defaults.rs
• generic-type-params-forward-mention.rs
• generic-type-params-name-repr.rs
• glob-cycles.rs
• glob-resolve1.rs
• hashmap-iter-value-lifetime.rs
• hashmap-lifetimes.rs
• hidden-rt-injection.rs
• hidden-rt-injection2.rs
• hr-subtype.rs
• hrtb-conflate-regions.rs
• hrtb-debruijn-in-receiver.rs
• hrtb-higher-ranker-supertraits-transitive.rs
• hrtb-higher-ranker-supertraits.rs
• hrtb-identity-fn-borrows.rs
• hrtb-just-for-static.rs
• hrtb-perfect-forwarding.rs
• huge-array-simple.rs
• huge-array.rs
• huge-enum.rs
• huge-struct.rs
• hygiene
• hygienic-label-1.rs
• hygienic-label-2.rs
• hygienic-label-3.rs
• hygienic-label-4.rs
• i128-feature-2.rs
• i128-feature-libs.rs
• i128-feature.rs
• if-branch-types.rs
• if-let-arm-types.rs
• if-let.rs
• if-loop.rs
• if-typeck.rs
• if-without-else-result.rs
• ifmt-bad-arg.rs
• ifmt-bad-format-args.rs
• ifmt-unimpl.rs
• ifmt-unknown-trait.rs
• illegal-ufcs-drop.rs
• immut-function-arguments.rs
• impl-bounds-checking.rs
• impl-duplicate-methods.rs
• impl-trait
• impl-unused-rps-in-assoc-type.rs
• impl-unused-tps-inherent.rs
• impl-unused-tps.rs
• implicit-method-bind.rs
• import-crate-var.rs
• import-from-missing.rs
• import-glob-0.rs
• import-glob-circular.rs
• import-loop-2.rs
• import-loop.rs
• import-prefix-macro-1.rs
• import-prefix-macro-2.rs
• import-trait-method.rs
• import.rs
• import2.rs
• import3.rs
• import4.rs
• imports
• impossible_range.rs
• inaccessible-test-modules.rs
• incr_comp_with_macro_export.rs
• index-bot.rs
• index_message.rs
• indexing-requires-a-uint.rs
• infinite-autoderef.rs
• infinite-instantiation.rs
• infinite-macro-expansion.rs
• infinite-tag-type-recursion.rs
• infinite-vec-type-recursion.rs
• inhabitedness-infinite-loop.rs
• inner-static-type-parameter.rs
• integer-literal-suffix-inference.rs
• integral-indexing.rs
• integral-variable-unification-error.rs
• internal-unstable-noallow.rs
• internal-unstable-thread-local.rs
• internal-unstable.rs
• intrinsic-invalid-number-of-arguments.rs
• invalid-crate-type.rs
• invalid-inline.rs
• invalid-macro-matcher.rs
• invalid-path-in-const.rs
• invalid-plugin-attr.rs
• invalid_crate_type_syntax.rs
• isssue-38821.rs
• issue-10176.rs
• issue-10200.rs
• issue-10291.rs
• issue-10398.rs
• issue-10401.rs
• issue-10465.rs
• issue-10536.rs
• issue-10545.rs
• issue-10656.rs
• issue-10755.rs
• issue-10764.rs
• issue-10877.rs
• issue-10969.rs
• issue-10991.rs
• issue-11004.rs
• issue-11154.rs
• issue-11192.rs
• issue-11319.rs
• issue-11374.rs
• issue-11493.rs
• issue-11515.rs
• issue-11593.rs
• issue-11680.rs
• issue-11681.rs
• issue-11692-1.rs
• issue-11692-2.rs
• issue-11740.rs
• issue-11771.rs
• issue-11844.rs
• issue-11873.rs
• issue-12028.rs
• issue-12041.rs
• issue-12116.rs
• issue-12127.rs
• issue-12187-1.rs
• issue-12187-2.rs
• issue-12369.rs
• issue-12470.rs
• issue-12511.rs
• issue-12552.rs
• issue-12567.rs
• issue-12796.rs
• issue-12863.rs
• issue-12997-1.rs
• issue-12997-2.rs
• issue-13033.rs
• issue-13058.rs
• issue-13352.rs
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• issue-13446.rs
• issue-13466.rs
• issue-13482-2.rs
• issue-13482.rs
• issue-13497-2.rs
• issue-13497.rs
• issue-1362.rs
• issue-13641.rs
• issue-13727.rs
• issue-13847.rs
• issue-13853-2.rs
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• issue-14084.rs
• issue-14091-2.rs
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• issue-14221.rs
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• issue-14366.rs
• issue-1448-2.rs
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• issue-17545.rs
• issue-17546.rs
• issue-17551.rs
• issue-17651.rs
• issue-17718-borrow-interior.rs
• issue-17718-const-bad-values.rs
• issue-17718-const-borrow.rs
• issue-17718-const-naming.rs
• issue-17718-const-privacy.rs
• issue-17718-constants-not-static.rs
• issue-17718-patterns.rs
• issue-17718-recursive.rs
• issue-17718-references.rs
• issue-17718-static-move.rs
• issue-17718-static-sync.rs
• issue-17728.rs
• issue-17740.rs
• issue-17758.rs
• issue-17800.rs
• issue-17904-2.rs
• issue-17905.rs
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• issue-18937.rs
• issue-18959.rs
• issue-1900.rs
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• issue-1920-1.rs
• issue-1920-2.rs
• issue-1920-3.rs
• issue-19244-1.rs
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• issue-19380.rs
• issue-19482.rs
• issue-19498.rs
• issue-19521.rs
• issue-19538.rs
• issue-19601.rs
• issue-1962.rs
• issue-19660.rs
• issue-19692.rs
• issue-19707.rs
• issue-19734.rs
• issue-19883.rs
• issue-19922.rs
• issue-19982.rs
• issue-19991.rs
• issue-20005.rs
• issue-20162.rs
• issue-20225.rs
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• issue-20413.rs
• issue-20433.rs
• issue-20605.rs
• issue-20616-1.rs
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• issue-20616-4.rs
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• issue-20616-6.rs
• issue-20616-7.rs
• issue-20616-8.rs
• issue-20616-9.rs
• issue-20692.rs
• issue-20714.rs
• issue-20772.rs
• issue-20801.rs
• issue-20825.rs
• issue-20831-debruijn.rs
• issue-20939.rs
• issue-21045.rs
• issue-2111.rs
• issue-21146.rs
• issue-21160.rs
• issue-21174.rs
• issue-21177.rs
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• issue-22673.rs
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• issue-22789.rs
• issue-2281-part1.rs
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• issue-8208.rs
• issue-8460-const.rs
• issue-8640.rs
• issue-8727.rs
• issue-8761.rs
• issue-8767.rs
• issue-9575.rs
• issue-9725.rs
• issue-9814.rs
• issue-pr29383.rs
• issue32829.rs
• keyword-false-as-identifier.rs
• keyword-self-as-identifier.rs
• keyword-super-as-identifier.rs
• keyword-super.rs
• keyword-true-as-identifier.rs
• kindck-copy.rs
• kindck-impl-type-params-2.rs
• kindck-impl-type-params.rs
• kindck-inherited-copy-bound.rs
• kindck-nonsendable-1.rs
• kindck-send-object.rs
• kindck-send-object1.rs
• kindck-send-object2.rs
• kindck-send-owned.rs
• kindck-send-unsafe.rs
• kindck-send-unsafe.rs~rust-lang_master
• label-static.rs
• label-underscore.rs
• lang-item-missing.rs
• lexical-scopes.rs
• lifetime-bound-will-change-warning.rs
• lifetime-elision-return-type-requires-explicit-lifetime.rs
• link-cfg-gated.rs
• linkage1.rs
• linkage2.rs
• linkage3.rs
• linkage4.rs
• lint-attr-non-item-node.rs
• lint-change-warnings.rs
• lint-ctypes-enum.rs
• lint-ctypes.rs
• lint-dead-code-1.rs
• lint-dead-code-2.rs
• lint-dead-code-3.rs
• lint-dead-code-4.rs
• lint-dead-code-5.rs
• lint-dead-code-type-alias.rs
• lint-dead-code-variant.rs
• lint-directives-on-use-items-issue-10534.rs
• lint-exceeding-bitshifts.rs
• lint-forbid-attr.rs
• lint-forbid-cmdline.rs
• lint-impl-fn.rs
• lint-malformed.rs
• lint-misplaced-attr.rs
• lint-missing-copy-implementations.rs
• lint-missing-doc.rs
• lint-non-camel-case-types.rs
• lint-non-snake-case-crate-2.rs
• lint-non-snake-case-crate.rs
• lint-non-snake-case-functions.rs
• lint-non-snake-case-lifetimes.rs
• lint-non-snake-case-modules.rs
• lint-non-uppercase-statics.rs
• lint-obsolete-attr.rs
• lint-output-format-2.rs
• lint-output-format.rs
• lint-owned-heap-memory.rs
• lint-qualification.rs
• lint-removed-allow.rs
• lint-removed-cmdline.rs
• lint-removed.rs
• lint-renamed-allow.rs
• lint-renamed-cmdline.rs
• lint-renamed.rs
• lint-shorthand-field.rs
• lint-stability-2.rs
• lint-stability-deprecated.rs
• lint-stability-fields-deprecated.rs
• lint-stability-fields.rs
• lint-stability.rs
• lint-stability2.rs
• lint-stability3.rs
• lint-type-limits.rs
• lint-type-limits2.rs
• lint-type-limits3.rs
• lint-type-overflow.rs
• lint-type-overflow2.rs
• lint-unconditional-recursion.rs
• lint-unexported-no-mangle.rs
• lint-unknown-attr.rs
• lint-unknown-feature-default.rs
• lint-unknown-feature.rs
• lint-unknown-lint-cmdline.rs
• lint-unknown-lint.rs
• lint-unnecessary-import-braces.rs
• lint-unnecessary-parens.rs
• lint-unsafe-code.rs
• lint-unused-extern-crate.rs
• lint-unused-imports.rs
• lint-unused-mut-self.rs
• lint-unused-mut-variables.rs
• lint-uppercase-variables.rs
• liveness-assign-imm-local-in-loop.rs
• liveness-assign-imm-local-in-op-eq.rs
• liveness-assign-imm-local-with-init.rs
• liveness-closure-require-ret.rs
• liveness-dead.rs
• liveness-forgot-ret.rs
• liveness-issue-2163.rs
• liveness-missing-ret2.rs
• liveness-move-call-arg.rs
• liveness-move-in-loop.rs
• liveness-move-in-while.rs
• liveness-return-last-stmt-semi.rs
• liveness-unused.rs
• liveness-use-after-move.rs
• liveness-use-after-send.rs
• log-syntax-gate.rs
• log-syntax-gate2.rs
• loop-break-value.rs
• loop-labeled-break-value.rs
• loop-proper-liveness.rs
• loop-properly-diverging-2.rs
• loops-reject-duplicate-labels-2.rs
• loops-reject-duplicate-labels.rs
• loops-reject-labels-shadowing-lifetimes.rs
• loops-reject-lifetime-shadowing-label.rs
• lub-if.rs
• lub-match.rs
• macro-attribute.rs
• macro-context.rs
• macro-crate-nonterminal-non-root.rs
• macro-error.rs
• macro-expanded-include
• macro-expansion-tests.rs
• macro-follow.rs
• macro-followed-by-seq-bad.rs
• macro-inner-attributes.rs
• macro-input-future-proofing.rs
• macro-invalid-fragment-spec.rs
• macro-local-data-key-priv.rs
• macro-match-nonterminal.rs
• macro-missing-delimiters.rs
• macro-missing-fragment.rs
• macro-no-implicit-reexport.rs
• macro-outer-attributes.rs
• macro-parameter-span.rs
• macro-reexport-malformed-1.rs
• macro-reexport-malformed-2.rs
• macro-reexport-malformed-3.rs
• macro-reexport-not-locally-visible.rs
• macro-reexport-undef.rs
• macro-shadowing.rs
• macro-stmt-matchers.rs
• macro-tt-matchers.rs
• macro-use-bad-args-1.rs
• macro-use-bad-args-2.rs
• macro-use-scope.rs
• macro-use-undef.rs
• macro-use-wrong-name.rs
• macro-with-seps-err-msg.rs
• macros-nonfatal-errors.rs
• main-wrong-location.rs
• main-wrong-type-2.rs
• main-wrong-type.rs
• malformed-derive-entry.rs
• malformed-plugin-1.rs
• malformed-plugin-2.rs
• malformed-plugin-3.rs
• malformed_macro_lhs.rs
• manual-link-bad-form.rs
• manual-link-bad-kind.rs
• manual-link-bad-search-path.rs
• manual-link-framework.rs
• map-types.rs
• match-argm-statics-2.rs
• match-arm-statics.rs
• match-byte-array-patterns-2.rs
• match-byte-array-patterns.rs
• match-ill-type2.rs
• match-join.rs
• match-no-arms-unreachable-after.rs
• match-non-exhaustive.rs
• match-pattern-field-mismatch-2.rs
• match-pattern-field-mismatch.rs
• match-privately-empty.rs
• match-range-fail-2.rs
• match-range-fail-dominate.rs
• match-range-fail.rs
• match-ref-ice.rs
• match-ref-mut-invariance.rs
• match-ref-mut-let-invariance.rs
• match-slice-patterns.rs
• match-static-const-lc.rs
• match-struct.rs
• match-tag-nullary.rs
• match-tag-unary.rs
• match-unreachable-warning-with-diverging-discrim.rs
• match-unresolved-one-arm.rs
• match-vec-fixed.rs
• match-vec-mismatch-2.rs
• match-vec-mismatch.rs
• match-vec-unreachable.rs
• maybe-bounds-where-cpass.rs
• maybe-bounds-where.rs
• maybe-bounds.rs
• meta-expected-error-correct-rev.rs
• meta-expected-error-wrong-rev.rs
• method-ambig-one-trait-unknown-int-type.rs
• method-ambig-two-traits-cross-crate.rs
• method-ambig-two-traits-from-bounds.rs
• method-ambig-two-traits-with-default-method.rs
• method-call-err-msg.rs
• method-call-lifetime-args-lint.rs
• method-call-lifetime-args-subst-index.rs
• method-call-lifetime-args-unresolved.rs
• method-call-lifetime-args.rs
• method-call-type-binding.rs
• method-macro-backtrace.rs
• method-missing-call.rs
• method-path-in-pattern.rs
• method-resolvable-path-in-pattern.rs
• method-self-arg-1.rs
• method-self-arg-2.rs
• minus-string.rs
• mir-dataflow
• mir-unpretty.rs
• missing-block-hint.rs
• missing-derivable-attr.rs
• missing-macro-use.rs
• missing-main.rs
• missing-return.rs
• missing-semicolon-warning.rs
• missing-stability.rs
• missing_debug_impls.rs
• mod_file_aux.rs
• mod_file_correct_spans.rs
• mod_file_disambig.rs
• mod_file_disambig_aux
• mod_file_disambig_aux.rs
• module-macro_use-arguments.rs
• move-in-guard-1.rs
• move-in-guard-2.rs
• move-into-dead-array-1.rs
• move-into-dead-array-2.rs
• move-out-of-array-1.rs
• move-out-of-slice-1.rs
• move-out-of-tuple-field.rs
• moves-based-on-type-access-to-field.rs
• moves-based-on-type-block-bad.rs
• moves-based-on-type-capture-clause-bad.rs
• moves-based-on-type-cyclic-types-issue-4821.rs
• moves-based-on-type-distribute-copy-over-paren.rs
• moves-based-on-type-exprs.rs
• moves-based-on-type-match-bindings.rs
• moves-based-on-type-move-out-of-closure-env-issue-1965.rs
• moves-based-on-type-no-recursive-stack-closure.rs
• moves-based-on-type-tuple.rs
• moves-sru-moved-field.rs
• multiple-main-2.rs
• multiple-main-3.rs
• multiple-plugin-registrars.rs
• mut-cant-alias.rs
• mut-cross-borrowing.rs
• mut-pattern-internal-mutability.rs
• mut-pattern-mismatched.rs
• mut-suggestion.rs
• mutable-class-fields-2.rs
• mutable-class-fields.rs
• mutable-enum-indirect.rs
• mutexguard-sync.rs
• name-clash-nullary.rs
• namespace-mix.rs
• namespaced-enum-glob-import-no-impls-xcrate.rs
• namespaced-enum-glob-import-no-impls.rs
• nested-cfg-attrs.rs
• nested-ty-params.rs
• never-assign-dead-code.rs
• never-assign-wrong-type.rs
• never-disabled.rs
• no-capture-arc.rs
• no-core-gated.rs
• no-implicit-prelude-nested.rs
• no-implicit-prelude.rs
• no-link.rs
• no-patterns-in-args-2.rs
• no-patterns-in-args.rs
• no-reuse-move-arc.rs
• no-send-res-ports.rs
• no-std-inject.rs
• no-type-for-node-ice.rs
• no-warn-on-field-replace-issue-34101.rs
• no_crate_type.rs
• no_owned_box_lang_item.rs
• no_send-enum.rs
• no_send-rc.rs
• no_send-struct.rs
• no_share-enum.rs
• no_share-struct.rs
• noexporttypeexe.rs
• nolink-with-link-args.rs
• non-constant-expr-for-arr-len.rs
• non-constant-in-const-path.rs
• non-copyable-void.rs
• non-exhaustive-match-nested.rs
• non-exhaustive-match.rs
• non-exhaustive-pattern-witness.rs
• non-interger-atomic.rs
• noncopyable-class.rs
• nonscalar-cast.rs
• not-clone-closure.rs
• not-copy-closure.rs
• not-enough-arguments.rs
• not-panic-safe-2.rs
• not-panic-safe-3.rs
• not-panic-safe-4.rs
• not-panic-safe-5.rs
• not-panic-safe-6.rs
• not-panic-safe.rs
• not-sync.rs
• not-utf8.bin
• not-utf8.rs
• numeric-fields.rs
• object-does-not-impl-trait.rs
• object-lifetime-default-ambiguous.rs
• object-lifetime-default-elision.rs
• object-lifetime-default-from-box-error.rs
• object-lifetime-default-from-rptr-box-error.rs
• object-lifetime-default-from-rptr-struct-error.rs
• object-lifetime-default-mybox.rs
• object-lifetime-default.rs
• object-pointer-types.rs
• object-safety-associated-consts.rs
• object-safety-by-value-self-use.rs
• object-safety-by-value-self.rs
• object-safety-generics.rs
• object-safety-issue-22040.rs
• object-safety-mentions-Self.rs
• object-safety-no-static.rs
• object-safety-phantom-fn.rs
• object-safety-sized-2.rs
• object-safety-sized.rs
• object-safety-supertrait-mentions-Self.rs
• occurs-check-2.rs
• occurs-check-3.rs
• occurs-check.rs
• old-suffixes-are-really-forbidden.rs
• once-cant-call-twice-on-heap.rs
• opt-in-copy.rs
• or-patter-mismatch.rs
• orphan-check-diagnostics.rs
• osx-frameworks.rs
• out-of-order-shadowing.rs
• output-type-mismatch.rs
• overlap-marker-trait.rs
• overloaded-calls-nontuple.rs
• packed-struct-generic-transmute.rs
• packed-struct-transmute.rs
• panic-runtime
• paren-span.rs
• parse-error-correct.rs
• parser-recovery-1.rs
• parser-recovery-2.rs
• partialeq_help.rs
• pat-shadow-in-nested-binding.rs
• pat-slice-old-style.rs
• pat-tuple-bad-type.rs
• pat-tuple-overfield.rs
• patkind-litrange-no-expr.rs
• pattern-bindings-after-at.rs
• pattern-error-continue.rs
• pattern-ident-path-generics.rs
• pattern-macro-hygiene.rs
• pattern-tyvar-2.rs
• pattern-tyvar.rs
• phantom-oibit.rs
• placement-expr-unsafe.rs
• placement-expr-unstable.rs
• platform-intrinsic-params.rs
• pptypedef.rs
• prim-with-args.rs
• priv-in-bad-locations.rs
• privacy
• privacy-in-paths.rs
• privacy-ns1.rs
• privacy-ns2.rs
• privacy-sanity.rs
• privacy-ufcs.rs
• privacy1.rs
• privacy2.rs
• privacy3.rs
• privacy4.rs
• privacy5.rs
• private-impl-method.rs
• private-in-public-lint.rs
• private-in-public-warn.rs
• private-in-public.rs
• private-inferred-type-1.rs
• private-inferred-type-2.rs
• private-inferred-type-3.rs
• private-inferred-type.rs
• private-item-simple.rs
• private-method-cross-crate.rs
• private-method-inherited.rs
• private-method.rs
• private-struct-field-cross-crate.rs
• private-struct-field-ctor.rs
• private-struct-field-pattern.rs
• private-struct-field.rs
• private-type-in-interface.rs
• private-variant-reexport.rs
• ptr-coercion.rs
• pub-reexport-priv-extern-crate.rs
• qualified-path-params-2.rs
• qualified-path-params.rs
• question-mark-type-infer.rs
• range-1.rs
• range_inclusive_gate.rs
• range_traits-1.rs
• range_traits-2.rs
• range_traits-3.rs
• range_traits-4.rs
• range_traits-5.rs
• range_traits-6.rs
• range_traits-7.rs
• recursion.rs
• recursive-enum.rs
• recursive-reexports.rs
• recursive-types-are-not-uninhabited.rs
• ref-suggestion.rs
• refutable-pattern-errors.rs
• refutable-pattern-in-fn-arg.rs
• region-borrow-params-issue-29793-big.rs
• region-borrow-params-issue-29793-small.rs
• region-bound-extra-bound-in-inherent-impl.rs
• region-bound-on-closure-outlives-call.rs
• region-bound-same-bounds-in-trait-and-impl.rs
• region-bounds-on-objects-and-type-parameters.rs
• region-invariant-static-error-reporting.rs
• region-lifetime-bounds-on-fns-where-clause.rs
• region-multiple-lifetime-bounds-on-fns-where-clause.rs
• region-object-lifetime-1.rs
• region-object-lifetime-2.rs
• region-object-lifetime-3.rs
• region-object-lifetime-4.rs
• region-object-lifetime-5.rs
• region-object-lifetime-in-coercion.rs
• regions-addr-of-arg.rs
• regions-addr-of-self.rs
• regions-addr-of-upvar-self.rs
• regions-adjusted-lvalue-op.rs
• regions-assoc-type-in-supertrait-outlives-container.rs
• regions-assoc-type-region-bound-in-trait-not-met.rs
• regions-assoc-type-static-bound-in-trait-not-met.rs
• regions-bound-missing-bound-in-impl.rs
• regions-bounded-by-trait-requiring-static.rs
• regions-bounded-method-type-parameters-cross-crate.rs
• regions-bounded-method-type-parameters-trait-bound.rs
• regions-bounded-method-type-parameters.rs
• regions-bounds.rs
• regions-close-associated-type-into-object.rs
• regions-close-object-into-object-1.rs
• regions-close-object-into-object-2.rs
• regions-close-object-into-object-3.rs
• regions-close-object-into-object-4.rs
• regions-close-object-into-object-5.rs
• regions-close-over-type-parameter-1.rs
• regions-close-over-type-parameter-multiple.rs
• regions-close-param-into-object.rs
• regions-creating-enums.rs
• regions-creating-enums3.rs
• regions-creating-enums4.rs
• regions-early-bound-error-method.rs
• regions-early-bound-error.rs
• regions-enum-not-wf.rs
• regions-escape-bound-fn-2.rs
• regions-escape-bound-fn.rs
• regions-escape-method.rs
• regions-escape-unboxed-closure.rs
• regions-escape-via-trait-or-not.rs
• regions-fn-subtyping-return-static.rs
• regions-free-region-ordering-callee-4.rs
• regions-free-region-ordering-callee.rs
• regions-free-region-ordering-caller.rs
• regions-free-region-ordering-caller1.rs
• regions-free-region-ordering-incorrect.rs
• regions-glb-free-free.rs
• regions-implied-bounds-projection-gap-1.rs
• regions-implied-bounds-projection-gap-2.rs
• regions-implied-bounds-projection-gap-3.rs
• regions-implied-bounds-projection-gap-4.rs
• regions-implied-bounds-projection-gap-hr-1.rs
• regions-in-enums-anon.rs
• regions-in-enums.rs
• regions-in-structs-anon.rs
• regions-in-structs.rs
• regions-infer-at-fn-not-param.rs
• regions-infer-borrow-scope-too-big.rs
• regions-infer-bound-from-trait-self.rs
• regions-infer-bound-from-trait.rs
• regions-infer-call-3.rs
• regions-infer-contravariance-due-to-decl.rs
• regions-infer-covariance-due-to-decl.rs
• regions-infer-invariance-due-to-decl.rs
• regions-infer-invariance-due-to-mutability-3.rs
• regions-infer-invariance-due-to-mutability-4.rs
• regions-infer-not-param.rs
• regions-infer-paramd-indirect.rs
• regions-infer-proc-static-upvar.rs
• regions-lifetime-bounds-on-fns.rs
• regions-lifetime-of-struct-or-enum-variant.rs
• regions-name-duplicated.rs
• regions-name-static.rs
• regions-name-undeclared.rs
• regions-nested-fns-2.rs
• regions-nested-fns.rs
• regions-outlives-nominal-type-enum-region-rev.rs
• regions-outlives-nominal-type-enum-region.rs
• regions-outlives-nominal-type-enum-type-rev.rs
• regions-outlives-nominal-type-enum-type.rs
• regions-outlives-nominal-type-struct-region-rev.rs
• regions-outlives-nominal-type-struct-region.rs
• regions-outlives-nominal-type-struct-type-rev.rs
• regions-outlives-nominal-type-struct-type.rs
• regions-outlives-projection-container-hrtb.rs
• regions-outlives-projection-container-wc.rs
• regions-outlives-projection-container.rs
• regions-outlives-projection-hrtype.rs
• regions-outlives-projection-trait-def.rs
• regions-outlives-scalar.rs
• regions-pattern-typing-issue-19552.rs
• regions-pattern-typing-issue-19997.rs
• regions-proc-bound-capture.rs
• regions-reborrow-from-shorter-mut-ref-mut-ref.rs
• regions-reborrow-from-shorter-mut-ref.rs
• regions-ref-in-fn-arg.rs
• regions-ret-borrowed-1.rs
• regions-ret-borrowed.rs
• regions-ret.rs
• regions-return-ref-to-upvar-issue-17403.rs
• regions-return-stack-allocated-vec.rs
• regions-static-bound.rs
• regions-steal-closure.rs
• regions-struct-not-wf.rs
• regions-trait-1.rs
• regions-trait-object-subtyping.rs
• regions-trait-variance.rs
• regions-undeclared.rs
• regions-var-type-out-of-scope.rs
• regions-variance-contravariant-use-covariant-in-second-position.rs
• regions-variance-contravariant-use-covariant.rs
• regions-variance-covariant-use-contravariant.rs
• regions-variance-invariant-use-contravariant.rs
• regions-variance-invariant-use-covariant.rs
• regions-wf-trait-object.rs
• reject-specialized-drops-8142.rs
• repeat-to-run-dtor-twice.rs
• repeat_count.rs
• repr-align.rs
• repr-packed-contains-align.rs
• required-lang-item.rs
• reserved-attr-on-macro.rs
• reserved-become.rs
• resolve-bad-import-prefix.rs
• resolve-bad-visibility.rs
• resolve-conflict-extern-crate-vs-extern-crate.rs
• resolve-conflict-import-vs-extern-crate.rs
• resolve-conflict-import-vs-import.rs
• resolve-conflict-item-vs-extern-crate.rs
• resolve-conflict-item-vs-import.rs
• resolve-conflict-type-vs-import.rs
• resolve-inconsistent-binding-mode.rs
• resolve-inconsistent-names.rs
• resolve-label.rs
• resolve-primitive-fallback.rs
• resolve-self-in-impl-2.rs
• resolve-self-in-impl.rs
• resolve-type-param-in-item-in-trait.rs
• resolve-unknown-trait.rs
• resolve-variant-assoc-item.rs
• resolve_self_super_hint.rs
• ret-non-nil.rs
• retslot-cast.rs
• return-from-diverging.rs
• return-unit-from-diverging.rs
• rfc1445
• rfc1623.rs
• rfc1717
• rmeta-lib-pass.rs
• rmeta-pass.rs
• rmeta-priv-warn.rs
• rmeta.rs
• rmeta_lib.rs
• rmeta_meta_main.rs
• rust-unstable-column-gated.rs
• rustc-error.rs
• safe-extern-statics-mut.rs
• safe-extern-statics.rs
• self-impl.rs
• self-infer.rs
• self-vs-path-ambiguity.rs
• self_type_keyword-2.rs
• self_type_keyword.rs
• seq-args.rs
• shadowed-lifetime.rs
• shadowed-trait-methods.rs
• shadowed-use-visibility.rs
• shadowing-in-the-same-pattern.rs
• shift-various-bad-types.rs
• simd-intrinsic-declaration-type.rs
• simd-intrinsic-generic-arithmetic.rs
• simd-intrinsic-generic-cast.rs
• simd-intrinsic-generic-comparison.rs
• simd-intrinsic-generic-elements.rs
• simd-intrinsic-single-nominal-type.rs
• simd-type-generic-monomorphisation.rs
• simd-type.rs
• single-derive-attr.rs
• single-primitive-inherent-impl.rs
• sized-cycle-note.rs
• slice-2.rs
• slice-mut-2.rs
• slice-mut.rs
• slightly-nice-generic-literal-messages.rs
• specialization
• stability-attribute-issue-43027.rs
• stability-attribute-issue.rs
• stability-attribute-non-staged-force-unstable.rs
• stability-attribute-non-staged.rs
• stability-attribute-sanity-2.rs
• stability-attribute-sanity-3.rs
• stability-attribute-sanity.rs
• stable-features.rs
• static-array-across-crate.rs
• static-drop-scope.rs
• static-items-cant-move.rs
• static-lifetime-bound.rs
• static-method-privacy.rs
• static-mut-bad-types.rs
• static-mut-foreign-requires-unsafe.rs
• static-mut-not-constant.rs
• static-mut-not-pat.rs
• static-mut-requires-unsafe.rs
• static-priv-by-default.rs
• static-priv-by-default2.rs
• static-reference-to-fn-1.rs
• static-reference-to-fn-2.rs
• static-region-bound.rs
• static-vec-repeat-not-constant.rs
• staticness-mismatch.rs
• std-uncopyable-atomics.rs
• stmt_expr_attrs_no_feature.rs
• str-concat-on-double-ref.rs
• str-idx.rs
• str-mut-idx.rs
• struct-base-wrong-type-2.rs
• struct-base-wrong-type.rs
• struct-field-cfg.rs
• struct-field-privacy.rs
• struct-fields-decl-dupe.rs
• struct-fields-dupe.rs
• struct-fields-hints-no-dupe.rs
• struct-fields-hints.rs
• struct-fields-missing.rs
• struct-fields-shorthand-unresolved.rs
• struct-fields-shorthand.rs
• struct-fields-too-many.rs
• struct-fields-typo.rs
• struct-like-enum-nonexhaustive.rs
• struct-pat-derived-error.rs
• struct-path-alias-bounds.rs
• struct-path-associated-type.rs
• struct-path-self-type-mismatch.rs
• struct-path-self.rs
• struct-pattern-match-useless.rs
• struct-variant-privacy-xc.rs
• struct-variant-privacy.rs
• structure-constructor-type-mismatch.rs
• substs-ppaux.rs
• suffixed-literal-meta.rs
• suggest-private-fields.rs
• super-at-top-level.rs
• suppressed-error.rs
• svh-change-lit.rs
• svh-change-significant-cfg.rs
• svh-change-trait-bound.rs
• svh-change-type-arg.rs
• svh-change-type-ret.rs
• svh-change-type-static.rs
• svh-use-trait.rs
• symbol-names
• syntax-extension-minor.rs
• syntax-trait-polarity-feature-gate.rs
• syntaxt-default-trait-impls.rs
• tag-that-dare-not-speak-its-name.rs
• tag-type-args.rs
• tag-variant-cast-non-nullary.rs
• tag-variant-disr-dup.rs
• tail-typeck.rs
• task-rng-isnt-sendable.rs
• terr-in-field.rs
• terr-sorts.rs
• test-cfg.rs
• test-warns-dead-code.rs
• thread-local-in-ctfe.rs
• trace_macros-format.rs
• trace_macros-gate.rs
• trait-as-struct-constructor.rs
• trait-bounds-not-on-bare-trait.rs
• trait-bounds-not-on-struct.rs
• trait-bounds-on-structs-and-enums-in-fns.rs
• trait-bounds-on-structs-and-enums-in-impls.rs
• trait-bounds-on-structs-and-enums-locals.rs
• trait-bounds-on-structs-and-enums-static.rs
• trait-bounds-on-structs-and-enums-xc.rs
• trait-bounds-on-structs-and-enums-xc1.rs
• trait-bounds-on-structs-and-enums.rs
• trait-bounds-sugar.rs
• trait-coercion-generic-bad.rs
• trait-coercion-generic-regions.rs
• trait-duplicate-methods.rs
• trait-impl-1.rs
• trait-impl-can-not-have-untraitful-items.rs
• trait-impl-different-num-params.rs
• trait-impl-for-module.rs
• trait-impl-method-mismatch.rs
• trait-impl-of-supertrait-has-wrong-lifetime-parameters.rs
• trait-item-privacy.rs
• trait-matching-lifetimes.rs
• trait-object-macro-matcher.rs
• trait-object-safety.rs
• trait-object-vs-lifetime-2.rs
• trait-object-vs-lifetime.rs
• trait-or-new-type-instead.rs
• trait-privacy.rs
• trait-resolution-in-overloaded-op.rs
• trait-safety-fn-body.rs
• trait-safety-inherent-impl.rs
• trait-safety-trait-impl-cc.rs
• trait-safety-trait-impl.rs
• trait-static-method-generic-inference.rs
• trait-suggest-where-clause.rs
• trait-test-2.rs
• trait-test.rs
• traits-assoc-type-in-supertrait-bad.rs
• traits-inductive-overflow-simultaneous.rs
• traits-inductive-overflow-supertrait-oibit.rs
• traits-inductive-overflow-supertrait.rs
• traits-inductive-overflow-two-traits.rs
• traits-issue-23003-overflow.rs
• traits-multidispatch-bad.rs
• traits-multidispatch-convert-ambig-dest.rs
• traits-negative-impls.rs
• traits-repeated-supertrait-ambig.rs
• transmute-different-sizes.rs
• transmute-fat-pointers.rs
• transmute-impl.rs
• transmute-imut-to-mut.rs
• trivial_casts.rs
• tuple-arity-mismatch.rs
• tuple-index-not-tuple.rs
• tuple-index-out-of-bounds.rs
• tuple-struct-nonexhaustive.rs
• tutorial-suffix-inference-test.rs
• type-arg-out-of-scope.rs
• type-ascription-feature-gate.rs
• type-ascription-precedence.rs
• type-ascription-soundness.rs
• type-mismatch-multiple.rs
• type-mismatch-same-crate-name.rs
• type-parameter-defaults-referencing-Self-ppaux.rs
• type-parameter-defaults-referencing-Self.rs
• type-parameter-invalid-lint.rs
• type-parameter-names.rs
• type-params-in-different-spaces-1.rs
• type-params-in-different-spaces-2.rs
• type-params-in-different-spaces-3.rs
• type-recursive.rs
• type-shadow.rs
• type_length_limit.rs
• typeck-auto-trait-no-supertraits-2.rs
• typeck-auto-trait-no-supertraits.rs
• typeck-auto-trait-no-typeparams.rs
• typeck-builtin-bound-type-parameters.rs
• typeck-cast-pointer-to-float.rs
• typeck-default-trait-impl-assoc-type.rs
• typeck-default-trait-impl-constituent-types-2.rs
• typeck-default-trait-impl-constituent-types.rs
• typeck-default-trait-impl-cross-crate-coherence.rs
• typeck-default-trait-impl-negation-send.rs
• typeck-default-trait-impl-negation-sync.rs
• typeck-default-trait-impl-negation.rs
• typeck-default-trait-impl-outside-crate.rs
• typeck-default-trait-impl-precedence.rs
• typeck-default-trait-impl-send-param.rs
• typeck-negative-impls-builtin.rs
• typeck-unsafe-always-share.rs
• typeck_type_placeholder_item.rs
• typeck_type_placeholder_lifetime_1.rs
• typeck_type_placeholder_lifetime_2.rs
• typeck_type_placeholder_mismatch.rs
• ufcs-explicit-self-bad.rs
• ufcs-partially-resolved.rs
• ufcs-qpath-missing-params.rs
• ufcs-qpath-self-mismatch.rs
• unadjusted-unstable.rs
• unboxed-closer-non-implicit-copyable.rs
• unboxed-closure-feature-gate.rs
• unboxed-closure-illegal-move.rs
• unboxed-closure-immutable-capture.rs
• unboxed-closure-region.rs
• unboxed-closure-sugar-default.rs
• unboxed-closure-sugar-equiv.rs
• unboxed-closure-sugar-lifetime-elision.rs
• unboxed-closure-sugar-not-used-on-fn.rs
• unboxed-closure-sugar-region.rs
• unboxed-closure-sugar-used-on-struct-1.rs
• unboxed-closure-sugar-used-on-struct-3.rs
• unboxed-closure-sugar-used-on-struct.rs
• unboxed-closure-sugar-wrong-number-number-type-parameters-1.rs
• unboxed-closure-sugar-wrong-number-number-type-parameters-3.rs
• unboxed-closure-sugar-wrong-number-number-type-parameters.rs
• unboxed-closure-sugar-wrong-trait.rs
• unboxed-closures-borrow-conflict.rs
• unboxed-closures-failed-recursive-fn-1.rs
• unboxed-closures-failed-recursive-fn-2.rs
• unboxed-closures-fnmut-as-fn.rs
• unboxed-closures-infer-argument-types-two-region-pointers.rs
• unboxed-closures-infer-fnmut-calling-fnmut-no-mut.rs
• unboxed-closures-infer-fnmut-missing-mut.rs
• unboxed-closures-infer-fnmut-move-missing-mut.rs
• unboxed-closures-infer-fnonce-call-twice.rs
• unboxed-closures-infer-fnonce-move-call-twice.rs
• unboxed-closures-mutate-upvar.rs
• unboxed-closures-mutated-upvar-from-fn-closure.rs
• unboxed-closures-recursive-fn-using-fn-mut.rs
• unboxed-closures-static-call-wrong-trait.rs
• unboxed-closures-type-mismatch.rs
• unboxed-closures-unsafe-extern-fn.rs
• unboxed-closures-wrong-abi.rs
• unboxed-closures-wrong-arg-type-extern-fn.rs
• unconstrained-none.rs
• unconstrained-ref.rs
• underscore-lifetime-binders.rs
• underscore-lifetime-elison-mismatch.rs
• uninhabited-enum-cast.rs
• uninhabited-irrefutable.rs
• uninhabited-matches-feature-gated.rs
• uninhabited-patterns.rs
• union
• unique-object-noncopyable.rs
• unique-pinned-nocopy.rs
• unop-move-semantics.rs
• unop-neg-bool.rs
• unreachable-arm.rs
• unreachable-code.rs
• unreachable-in-call.rs
• unreachable-loop-patterns.rs
• unreachable-try-pattern.rs
• unreachable-variant.rs
• unresolved-extern-mod-suggestion.rs
• unresolved-import-recovery.rs
• unresolved-import.rs
• unsafe-around-compiler-generated-unsafe.rs
• unsafe-const-fn.rs
• unsafe-fn-assign-deref-ptr.rs
• unsafe-fn-autoderef.rs
• unsafe-fn-called-from-safe.rs
• unsafe-fn-deref-ptr.rs
• unsafe-fn-used-as-value.rs
• unsafe-subtyping.rs
• unsafe-trait-impl.rs
• unsized-bare-typaram.rs
• unsized-enum.rs
• unsized-enum2.rs
• unsized-inherent-impl-self-type.rs
• unsized-struct.rs
• unsized-trait-impl-self-type.rs
• unsized-trait-impl-trait-arg.rs
• unsized3.rs
• unsized5.rs
• unsized6.rs
• unsized7.rs
• unspecified-self-in-trait-ref.rs
• unsupported-cast.rs
• unused-attr.rs
• unused-macro-rules.rs
• unused-macro-with-bad-frag-spec.rs
• unused-macro-with-follow-violation.rs
• unused-macro.rs
• unused-mut-warning-captured-var.rs
• unused-result.rs
• use-after-move-based-on-type.rs
• use-after-move-implicity-coerced-object.rs
• use-after-move-self-based-on-type.rs
• use-after-move-self.rs
• use-from-trait-xc.rs
• use-from-trait.rs
• use-keyword.rs
• use-meta-mismatch.rs
• use-mod-2.rs
• use-mod-3.rs
• use-mod-4.rs
• use-mod.rs
• use-paths-as-items.rs
• use-self-type.rs
• use-super-global-path.rs
• useless-pub.rs
• useless_comment.rs
• user-defined-macro-rules.rs
• utf8_idents.rs
• variadic-ffi-2.rs
• variadic-ffi-3.rs
• variadic-ffi.rs
• variance-associated-types.rs
• variance-btree-invariant-types.rs
• variance-cell-is-invariant.rs
• variance-contravariant-arg-object.rs
• variance-contravariant-arg-trait-match.rs
• variance-contravariant-self-trait-match.rs
• variance-covariant-arg-object.rs
• variance-covariant-arg-trait-match.rs
• variance-covariant-self-trait-match.rs
• variance-invariant-arg-object.rs
• variance-invariant-arg-trait-match.rs
• variance-invariant-self-trait-match.rs
• variance-issue-20533.rs
• variance-object-types.rs
• variance-regions-direct.rs
• variance-regions-indirect.rs
• variance-regions-unused-direct.rs
• variance-regions-unused-indirect.rs
• variance-trait-bounds.rs
• variance-trait-matching.rs
• variance-trait-object-bound.rs
• variance-types-bounds.rs
• variance-types.rs
• variance-unused-region-param.rs
• variance-unused-type-param.rs
• variance-use-contravariant-struct-1.rs
• variance-use-contravariant-struct-2.rs
• variance-use-covariant-struct-1.rs
• variance-use-covariant-struct-2.rs
• variance-use-invariant-struct-1.rs
• variant-namespacing.rs
• variant-size-differences.rs
• variant-used-as-type.rs
• vec-macro-with-comma-only.rs
• vec-mut-iter-borrow.rs
• vec-res-add.rs
• vector-cast-weirdness.rs
• vector-no-ann.rs
• vtable-res-trait-param.rs
• walk-struct-literal-with.rs
• warn-path-statement.rs
• weak-lang-item.rs
• wf-array-elem-sized.rs
• wf-const-type.rs
• wf-enum-bound.rs
• wf-enum-fields-struct-variant.rs
• wf-enum-fields.rs
• wf-fn-where-clause.rs
• wf-impl-associated-type-region.rs
• wf-impl-associated-type-trait.rs
• wf-in-fn-arg.rs
• wf-in-fn-ret.rs
• wf-in-fn-type-arg.rs
• wf-in-fn-type-ret.rs
• wf-in-fn-type-static.rs
• wf-in-fn-where-clause.rs
• wf-in-obj-type-static.rs
• wf-in-obj-type-trait.rs
• wf-inherent-impl-method-where-clause.rs
• wf-inherent-impl-where-clause.rs
• wf-misc-methods-issue-28609.rs
• wf-object-safe.rs
• wf-outlives-ty-in-fn-or-trait.rs
• wf-static-method.rs
• wf-static-type.rs
• wf-struct-bound.rs
• wf-struct-field.rs
• wf-trait-associated-type-bound.rs
• wf-trait-associated-type-region.rs
• wf-trait-associated-type-trait.rs
• wf-trait-bound.rs
• wf-trait-default-fn-arg.rs
• wf-trait-default-fn-ret.rs
• wf-trait-default-fn-where-clause.rs
• wf-trait-fn-arg.rs
• wf-trait-fn-ret.rs
• wf-trait-fn-where-clause.rs
• wf-trait-superbound.rs
• where-clause-constraints-are-local-for-inherent-impl.rs
• where-clause-constraints-are-local-for-trait-impl.rs
• where-clause-method-substituion.rs
• where-clauses-method-unsatisfied.rs
• where-clauses-unsatisfied.rs
• where-equality-constraints.rs
• where-for-self-2.rs
• where-for-self.rs
• where-lifetime-resolution.rs
• while-let.rs
• while-type-error.rs
• windows-subsystem-invalid.rs
• writing-to-immutable-vec.rs
• wrong-mul-method-signature.rs
• wrong-ret-type.rs
• xc-private-method.rs
• xc-private-method2.rs
• xcrate-private-by-default.rs
• xcrate-unit-struct.rs

[Mark-Simulacrum]

Has the relative performance of compile-fail vs. UI tests been evaluated? I worry that we'd be hurting our merge times if there's too much of a regression. I doubt it's anything serious, though, so no need to block this.

[Zoxc]

Why are we doing this when compile-fail are easier to use, more readable and maintainable?

[estebank]

Has the relative performance of compile-fail vs. UI tests been evaluated?

I don't think anyone has (including me), but my gut feeling is that the difference isn't big enough to make a dent. I'll try to keep track of it though, as well as investigate any performance enhancements we might be able to make to the test suite itself.

Why are we doing this when compile-fail are easier to use, more readable and maintainable?

I could debate all three points:

1. more maintainable: it's relative, as running the script will keep the output up to date with any change
2. more readable: in isolation, they might be, but the diffs of ui tests are much easier and intuitive to track for reviewers and will also expose unintended consequences across the entire test suite
3. easier to use: they are in a way, but I've encountered multiple cases of tests that were not actually being tested, as the line of output was a comment instead of an actual check. I've also seen cases of changes affecting unrelated existing test cases not being picked up as happening because the test case was ignoring the new notes, for example. The only place where inline tests are a clear winner in my opinion is when needing to have comments adding context to the compiler output.

Beyond those three points, we want to add support for the current inline tests to ui tests.

There is another underlying reason, witch I haven't stated so far: I want to be able to audit the compiler output in it's totality in order to find common places for improvement, to write down unifying guidelines and applying them to any inconsistent output. Having only ui tests makes doing this on a comprehensive way much easier.

[petrochenkov]

I tried to convert everything once and encountered two issues to solve

• UI tests don't support revisions
• Some diagnostics are unstable because they depend e.g. on order of elements in HashMap.

Most of tests still can be converted though.

I think it's critical to implement and enable checking of //~ ERROR message in UI tests before mass-converting.
For many tests the whole point of the test is to ensure that some lines produce errors and other don't (specific message details are less important), UI test doesn't indicate any human-written expectations on the output, you can easily regenerate the .error file and miss a bug.

[GuillaumeGomez]

It seems like a really strange idea...

[estebank]

Most of tests still can be converted though.

I'm counting on that.

you can easily regenerate the .error file and miss a bug.

But it should be easier for reviewers to catch them when they occur, IMO.

It seems like a really strange idea...

How's so?

[GuillaumeGomez]

The goal of the compile-fail tests is different than the ui tests'. The first one is to ensure the expected error(s) come(s) out, even if the output changes whereas the second is to watch over the compiler output. That's why it seems strange to me that we're trying to merge the both of them.

[petrochenkov]

@estebank

you can easily regenerate the .error file and miss a bug.

But it should be easier for reviewers to catch them when they occur, IMO.

It's very difficult to write new compile-fail style tests testing more than one error without support of //~ ERROR, I tried it. (A typical example is exhaustively testing some minor feature, e.g. https://github.com/rust-lang/rust/blob/master/src/test/compile-fail/trait-item-privacy.rs)
You have to look at the wall of text in the .stderr file and try to manually find lines corresponding to the original test file, it's very error-prone, you need inline //~ERROR annotations in the original file to have any kind of reliability.

[GuillaumeGomez]

Which seems very complicated in case there are multiple lines for one error (help, notes, suggestions...).