Remove ReClosureBound

[matthewjasper]

We now substitute external names for regions in the query response.

r? @nikomatsakis

[rust-highfive]

The job mingw-check 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.

Click to expand the log.

2020-03-22T16:30:37.5943979Z ========================== Starting Command Output ===========================
2020-03-22T16:30:37.5949436Z [command]/bin/bash --noprofile --norc /home/vsts/work/_temp/c26fa20a-1899-441c-9d46-a8c3bf4cc28e.sh
2020-03-22T16:30:37.5949902Z 
2020-03-22T16:30:37.5954392Z ##[section]Finishing: Disable git automatic line ending conversion
2020-03-22T16:30:37.5971341Z ##[section]Starting: Checkout rust-lang/rust@refs/pull/70277/merge to s
2020-03-22T16:30:37.5974558Z Task         : Get sources
2020-03-22T16:30:37.5974812Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2020-03-22T16:30:37.5975056Z Version      : 1.0.0
2020-03-22T16:30:37.5975227Z Author       : Microsoft
---
2020-03-22T16:30:38.5855375Z ##[command]git remote add origin https://github.com/rust-lang/rust
2020-03-22T16:30:38.5861016Z ##[command]git config gc.auto 0
2020-03-22T16:30:38.5864928Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2020-03-22T16:30:38.5869049Z ##[command]git config --get-all http.proxy
2020-03-22T16:30:38.5875710Z ##[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/70277/merge:refs/remotes/pull/70277/merge
---
2020-03-22T16:40:31.8525969Z configure: build.locked-deps    := True
2020-03-22T16:40:31.8526475Z configure: llvm.ccache          := sccache
2020-03-22T16:40:31.8527174Z configure: build.cargo-native-static := True
2020-03-22T16:40:31.8527926Z configure: dist.missing-tools   := True
2020-03-22T16:40:31.8528804Z configure: build.configure-args := ['--enable-sccache', '--disable-manage-submodu ...
2020-03-22T16:40:31.8529733Z configure: writing `config.toml` in current directory
2020-03-22T16:40:31.8530118Z configure: 
2020-03-22T16:40:31.8530757Z configure: run `python /checkout/x.py --help`
2020-03-22T16:40:31.8531179Z configure: 
---
2020-03-22T16:48:43.1189917Z skip untracked path cpu-usage.csv during rustfmt invocations
2020-03-22T16:48:43.1190811Z skip untracked path src/doc/book/ during rustfmt invocations
2020-03-22T16:48:43.1193903Z skip untracked path src/doc/rust-by-example/ during rustfmt invocations
2020-03-22T16:48:43.1197363Z skip untracked path src/llvm-project/ during rustfmt invocations
2020-03-22T16:48:43.3529746Z Diff in /checkout/src/librustc_trait_selection/opaque_types.rs at line 823:
2020-03-22T16:48:43.3530363Z              // The regions that we expect from borrow checking.
2020-03-22T16:48:43.3530957Z              ty::ReEarlyBound(_) | ty::ReFree(_) | ty::ReEmpty(ty::UniverseIndex::ROOT) => {}
2020-03-22T16:48:43.3532189Z -            ty::ReEmpty(_)
2020-03-22T16:48:43.3532921Z -            | ty::RePlaceholder(_)
2020-03-22T16:48:43.3533815Z -            | ty::ReVar(_)
2020-03-22T16:48:43.3534515Z -            | ty::ReScope(_) => {
2020-03-22T16:48:43.3534515Z -            | ty::ReScope(_) => {
2020-03-22T16:48:43.3535152Z +            ty::ReEmpty(_) | ty::RePlaceholder(_) | ty::ReVar(_) | ty::ReScope(_) => {
2020-03-22T16:48:43.3535768Z                  // All of the regions in the type should either have been
2020-03-22T16:48:43.3536343Z                  // erased by writeback, or mapped back to named regions by
2020-03-22T16:48:43.3536818Z                  // borrow checking.
2020-03-22T16:48:43.3549704Z Running `"/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/rustfmt" "--config-path" "/checkout" "--edition" "2018" "--unstable-features" "--skip-children" "--check" "/checkout/src/librustc_trait_selection/opaque_types.rs"` failed.
2020-03-22T16:48:43.3560285Z If you're running `tidy`, try again with `--bless` flag. Or, you just want to format code, run `./x.py fmt` instead.
2020-03-22T16:48:43.3568093Z Build completed unsuccessfully in 0:00:37
2020-03-22T16:48:43.3614540Z == clock drift check ==
2020-03-22T16:48:43.3626742Z   local time: Sun Mar 22 16:48:43 UTC 2020
2020-03-22T16:48:43.9089008Z   network time: Sun, 22 Mar 2020 16:48:43 GMT
2020-03-22T16:48:43.9089008Z   network time: Sun, 22 Mar 2020 16:48:43 GMT
2020-03-22T16:48:43.9089380Z == end clock drift check ==
2020-03-22T16:48:45.5804348Z 
2020-03-22T16:48:45.5896919Z ##[error]Bash exited with code '1'.
2020-03-22T16:48:45.5913079Z ##[section]Finishing: Run build
2020-03-22T16:48:45.5969124Z ##[section]Starting: Checkout rust-lang/rust@refs/pull/70277/merge to s
2020-03-22T16:48:45.5974941Z Task         : Get sources
2020-03-22T16:48:45.5975334Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2020-03-22T16:48:45.5975717Z Version      : 1.0.0
2020-03-22T16:48:45.5976154Z Author       : Microsoft
2020-03-22T16:48:45.5976154Z Author       : Microsoft
2020-03-22T16:48:45.5976561Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2020-03-22T16:48:45.5977047Z ==============================================================================
2020-03-22T16:48:45.9897996Z Cleaning any cached credential from repository: rust-lang/rust (GitHub)
2020-03-22T16:48:45.9952734Z ##[section]Finishing: Checkout rust-lang/rust@refs/pull/70277/merge to s
2020-03-22T16:48:46.0096177Z Cleaning up task key
2020-03-22T16:48:46.0098034Z Start cleaning up orphan processes.
2020-03-22T16:48:46.0315747Z Terminate orphan process: pid (3457) (python)
2020-03-22T16:48:46.0478588Z ##[section]Finishing: Finalize Job

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @rust-lang/infra. (Feature Requests)

[nikomatsakis]

r=me with nits applied

[matthewjasper]

@bors r=nikomatsakis

[bors]

📌 Commit c3b9881 has been approved by nikomatsakis