must_use on split_off#70359

kornelski · 2020-03-24T15:03:03Z

A couple more for #70194

rust-highfive · 2020-03-24T15:03:06Z

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rust-highfive · 2020-03-24T16:03:30Z

The job x86_64-gnu-llvm-7 of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

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2020-03-24T15:03:37.7420265Z ========================== Starting Command Output ===========================
2020-03-24T15:03:37.7430395Z [command]/bin/bash --noprofile --norc /home/vsts/work/_temp/f022f18a-1093-43c5-9a3c-43edd2cdea02.sh
2020-03-24T15:03:37.7430675Z 
2020-03-24T15:03:37.7434155Z ##[section]Finishing: Disable git automatic line ending conversion
2020-03-24T15:03:37.7451391Z ##[section]Starting: Checkout rust-lang/rust@refs/pull/70359/merge to s
2020-03-24T15:03:37.7454419Z Task         : Get sources
2020-03-24T15:03:37.7454723Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2020-03-24T15:03:37.7455003Z Version      : 1.0.0
2020-03-24T15:03:37.7455191Z Author       : Microsoft
---
2020-03-24T15:03:39.0686922Z ##[command]git remote add origin https://github.com/rust-lang/rust
2020-03-24T15:03:39.0693690Z ##[command]git config gc.auto 0
2020-03-24T15:03:39.0696699Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2020-03-24T15:03:39.0699121Z ##[command]git config --get-all http.proxy
2020-03-24T15:03:39.0704108Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/70359/merge:refs/remotes/pull/70359/merge
---
2020-03-24T15:09:58.0987212Z    Compiling rustc_ast_pretty v0.0.0 (/checkout/src/librustc_ast_pretty)
2020-03-24T15:10:05.5962731Z    Compiling rustc_session v0.0.0 (/checkout/src/librustc_session)
2020-03-24T15:10:10.3826617Z    Compiling rustc_hir v0.0.0 (/checkout/src/librustc_hir)
2020-03-24T15:10:19.5479045Z    Compiling rustc_attr v0.0.0 (/checkout/src/librustc_attr)
2020-03-24T15:10:21.6457572Z    Compiling rustc_query_system v0.0.0 (/checkout/src/librustc_query_system)
2020-03-24T15:10:22.6979775Z    Compiling rustc_parse v0.0.0 (/checkout/src/librustc_parse)
2020-03-24T15:10:47.8617877Z    Compiling rustc_ast_passes v0.0.0 (/checkout/src/librustc_ast_passes)
2020-03-24T15:10:54.1826267Z    Compiling rustc_expand v0.0.0 (/checkout/src/librustc_expand)
2020-03-24T15:11:31.4127071Z    Compiling rustc_builtin_macros v0.0.0 (/checkout/src/librustc_builtin_macros)
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2020-03-24T15:26:49.5462008Z    Compiling rustc_ast_pretty v0.0.0 (/checkout/src/librustc_ast_pretty)
2020-03-24T15:26:50.4344929Z    Compiling rustc_session v0.0.0 (/checkout/src/librustc_session)
2020-03-24T15:26:58.7641059Z    Compiling rustc_hir v0.0.0 (/checkout/src/librustc_hir)
2020-03-24T15:27:07.7274852Z    Compiling rustc_attr v0.0.0 (/checkout/src/librustc_attr)
2020-03-24T15:27:11.8217986Z    Compiling rustc_query_system v0.0.0 (/checkout/src/librustc_query_system)
2020-03-24T15:27:12.9935074Z    Compiling rustc_parse v0.0.0 (/checkout/src/librustc_parse)
2020-03-24T15:27:46.2460417Z    Compiling rustc_ast_passes v0.0.0 (/checkout/src/librustc_ast_passes)
2020-03-24T15:27:53.8499930Z    Compiling rustc_expand v0.0.0 (/checkout/src/librustc_expand)
2020-03-24T15:28:42.5461866Z    Compiling rustc_builtin_macros v0.0.0 (/checkout/src/librustc_builtin_macros)
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---
2020-03-24T15:55:07.3393336Z Suite("src/test/codegen") not skipped for "bootstrap::test::Codegen" -- not in ["src/tools/tidy"]
2020-03-24T15:55:07.3548086Z Check compiletest suite=codegen mode=codegen (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
2020-03-24T15:55:07.5195092Z 
2020-03-24T15:55:07.5195312Z running 183 tests
2020-03-24T15:55:09.9690761Z iiii......i............ii.i..iiii....i....i...........i............i..i..................i....i..... 100/183
2020-03-24T15:55:12.0727356Z .......i.i.i...iii..iiiiiiiiiiiiiiii.......................iii.............ii......
2020-03-24T15:55:12.0734168Z 
2020-03-24T15:55:12.0738581Z  finished in 4.719
2020-03-24T15:55:12.0742609Z Suite("src/test/codegen-units") not skipped for "bootstrap::test::CodegenUnits" -- not in ["src/tools/tidy"]
2020-03-24T15:55:12.0913154Z Check compiletest suite=codegen-units mode=codegen-units (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
---
2020-03-24T15:55:14.0755455Z Suite("src/test/assembly") not skipped for "bootstrap::test::Assembly" -- not in ["src/tools/tidy"]
2020-03-24T15:55:14.0936593Z Check compiletest suite=assembly mode=assembly (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
2020-03-24T15:55:14.2208585Z 
2020-03-24T15:55:14.2208867Z running 9 tests
2020-03-24T15:55:14.2209983Z iiiiiiiii
2020-03-24T15:55:14.2211126Z 
2020-03-24T15:55:14.2211323Z  finished in 0.128
2020-03-24T15:55:14.2218631Z Suite("src/test/incremental") not skipped for "bootstrap::test::Incremental" -- not in ["src/tools/tidy"]
2020-03-24T15:55:14.2373652Z Check compiletest suite=incremental mode=incremental (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
---
2020-03-24T15:55:32.1690759Z Suite("src/test/debuginfo") not skipped for "bootstrap::test::Debuginfo" -- not in ["src/tools/tidy"]
2020-03-24T15:55:32.1896920Z Check compiletest suite=debuginfo mode=debuginfo (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
2020-03-24T15:55:32.9569381Z 
2020-03-24T15:55:32.9615295Z running 115 tests
2020-03-24T15:55:43.5128397Z iiiii..i......i.i...i..i.i.i..i..i..ii....i.i....ii..........iiii.........i.....i..i.......ii.i.ii.. 100/115
2020-03-24T15:55:44.9984155Z ...iiii.....ii.
2020-03-24T15:55:44.9985275Z 
2020-03-24T15:55:44.9991813Z  finished in 12.809
2020-03-24T15:55:44.9998541Z Suite("src/test/ui-fulldeps") not skipped for "bootstrap::test::UiFullDeps" -- not in ["src/tools/tidy"]
2020-03-24T15:55:45.0000036Z Uplifting stage1 rustc (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
---
2020-03-24T16:02:57.4143088Z    Compiling alloc v0.0.0 (/checkout/src/liballoc)
2020-03-24T16:03:04.5169288Z error: unused return value of `std::string::String::split_off` that must be used
2020-03-24T16:03:04.5169875Z    --> src/liballoc/../liballoc/tests/string.rs:269:5
2020-03-24T16:03:04.5170240Z     |
2020-03-24T16:03:04.5170660Z 269 |     split.split_off(orig.len() + 1);
2020-03-24T16:03:04.5171526Z     |
2020-03-24T16:03:04.5171969Z     = note: `-D unused-must-use` implied by `-D warnings`
2020-03-24T16:03:04.5172507Z     = note: use `.truncate()` if you don't need the other half
2020-03-24T16:03:04.5172725Z 
2020-03-24T16:03:04.5172725Z 
2020-03-24T16:03:04.5179465Z error: unused return value of `std::string::String::split_off` that must be used
2020-03-24T16:03:04.5180082Z    --> src/liballoc/../liballoc/tests/string.rs:276:5
2020-03-24T16:03:04.5180498Z     |
2020-03-24T16:03:04.5180954Z 276 |     orig.split_off(1);
2020-03-24T16:03:04.5182138Z     |
2020-03-24T16:03:04.5182663Z     = note: use `.truncate()` if you don't need the other half
2020-03-24T16:03:04.5182917Z 
2020-03-24T16:03:04.6617658Z error: aborting due to 2 previous errors
---
2020-03-24T16:03:05.9499560Z   local time: Tue Mar 24 16:03:05 UTC 2020
2020-03-24T16:03:06.2234345Z   network time: Tue, 24 Mar 2020 16:03:06 GMT
2020-03-24T16:03:06.2240056Z == end clock drift check ==
2020-03-24T16:03:07.1581960Z 
2020-03-24T16:03:07.1634716Z ##[error]Bash exited with code '1'.
2020-03-24T16:03:07.1645181Z ##[section]Finishing: Run build
2020-03-24T16:03:07.1686595Z ##[section]Starting: Checkout rust-lang/rust@refs/pull/70359/merge to s
2020-03-24T16:03:07.1690400Z Task         : Get sources
2020-03-24T16:03:07.1690639Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2020-03-24T16:03:07.1690855Z Version      : 1.0.0
2020-03-24T16:03:07.1691021Z Author       : Microsoft
2020-03-24T16:03:07.1691021Z Author       : Microsoft
2020-03-24T16:03:07.1691261Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2020-03-24T16:03:07.1691536Z ==============================================================================
2020-03-24T16:03:07.4399091Z Cleaning any cached credential from repository: rust-lang/rust (GitHub)
2020-03-24T16:03:07.4442524Z ##[section]Finishing: Checkout rust-lang/rust@refs/pull/70359/merge to s
2020-03-24T16:03:07.4506869Z Cleaning up task key
2020-03-24T16:03:07.4507821Z Start cleaning up orphan processes.
2020-03-24T16:03:07.4642854Z Terminate orphan process: pid (3439) (python)
2020-03-24T16:03:07.4799927Z ##[section]Finishing: Finalize Job

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rust-lang#70194

Dylan-DPC-zz · 2020-03-24T20:07:10Z

@bors r+ rollup

bors · 2020-03-24T20:07:11Z

📌 Commit 42b10e5 has been approved by Dylan-DPC

@ghost

Rollup of 8 pull requests Successful merges: - rust-lang#70023 (clean up E0436 explanation) - rust-lang#70234 (#[track_caller] on core::ops::{Index, IndexMut}.) - rust-lang#70241 (Miri: move ModifiedStatic to ConstEval errors) - rust-lang#70342 (IoSlice/IoSliceMut should be Send and Sync) - rust-lang#70350 (Request "-Z unstable-options" for unstable options) - rust-lang#70355 (Clean up E0454) - rust-lang#70359 (must_use on split_off) - rust-lang#70368 (Mark hotplug_codegen_backend as ignore-stage1) Failed merges: r? @ghost

rust-highfive assigned sfackler Mar 24, 2020

rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Mar 24, 2020

must_use on split_off

42b10e5

rust-lang#70194

kornelski force-pushed the mustsplit branch from b7f288f to 42b10e5 Compare March 24, 2020 17:36

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 24, 2020

Centril mentioned this pull request Mar 24, 2020

Rollup of 8 pull requests #70371

Merged

bors merged commit db2c70b into rust-lang:master Mar 24, 2020

kornelski deleted the mustsplit branch March 25, 2020 16:05

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must_use on split_off#70359