Rollup of 9 pull requests

[Centril]

Successful merges:

• std: Stabilize fixed-width integer atomics #57425 (std: Stabilize fixed-width integer atomics)
• Make MutexGuard's Debug implementation more useful. #57703 (Make MutexGuard's Debug implementation more useful.)
• extra testing of how NLL handles wildcard type _ #57729 (extra testing of how NLL handles wildcard type _)
• Fix some minor warnings #57764 (Fix some minor warnings)
• un-deprecate mem::zeroed #57825 (un-deprecate mem::zeroed)
• Ignore aarch64 in simd-intrinsic-generic-reduction #57827 (Ignore aarch64 in simd-intrinsic-generic-reduction)
• Suggest removing leading left angle brackets. #57852 (Suggest removing leading left angle brackets.)
• overhaul unused doc comments lint #57882 (overhaul unused doc comments lint)
• resolve: Fix span arithmetics in the import conflict error #57908 (resolve: Fix span arithmetics in the import conflict error)

Failed merges:

r? @ghost

[Centril]

@bors r+ p=9

[bors]

📌 Commit e9eaebc has been approved by Centril

[rust-highfive]

The job x86_64-gnu-llvm-6.0 of your PR failed on Travis (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.

travis_time:end:00194d06:start=1548472635733847386,finish=1548472741724597518,duration=105990750132 $ git checkout -qf FETCH_HEAD travis_fold:end:git.checkout Encrypted environment variables have been removed for security reasons. See https://docs.travis-ci.com/user/pull-requests/#pull-requests-and-security-restrictions $ export SCCACHE_BUCKET=rust-lang-ci-sccache2 $ export SCCACHE_REGION=us-west-1 Setting environment variables from .travis.yml $ export IMAGE=x86_64-gnu-llvm-6.0 --- 97% |███████████████████████████████▍| 532kB 68.6MB/s eta 0:00:01 99% |████████████████████████████████| 542kB 68.4MB/s eta 0:00:01 100% |████████████████████████████████| 552kB 27.1MB/s Collecting botocore==1.12.86 (from awscli) Downloading https://files.pythonhosted.org/packages/d7/af/fd9c0f1f0fdc03d3367a56f35093f8b1020ba1a97ead9fa580156895944b/botocore-1.12.86-py2.py3-none-any.whl (5.2MB) 0% |▏ | 20kB 19.6MB/s eta 0:00:01 0% |▏ | 30kB 22.4MB/s eta 0:00:01 0% |▎ | 40kB 23.7MB/s eta 0:00:01 0% |▎ | 51kB 25.4MB/s eta 0:00:01 --- [01:09:01] .........i.......................................................................................... 3300/5348 [01:09:05] ..........................................................................ii...i..ii................ 3400/5348 [01:09:09] .................................................................................................... 3500/5348 [01:09:13] .................................................................................................... 3600/5348 [01:09:17] ...................F...................................................ii........................... 3700/5348 [01:09:22] .................................................................................................... 3900/5348 [01:09:24] ..............................................i..................................................... 4000/5348 [01:09:28] .................................................................................................... 4100/5348 [01:09:39] .................................................................................................... 4200/5348 --- [01:10:26] [01:10:26] ---- [ui] ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs stdout ---- [01:10:26] diff of stderr: [01:10:26] [01:10:26] - error: unsatisfied lifetime constraints [01:10:26] + error: lifetime may not live long enough [01:10:26] 2 --> $DIR/issue-55748-pat-types-constrain-bindings.rs:35:5 [01:10:26] 3 | [01:10:26] 4 LL | fn coupled_regions_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 { [01:10:26] [01:10:26] 7 LL | y //~ ERROR unsatisfied lifetime constraints [01:10:26] 8 | ^ returning this value requires that `'a` must outlive `'static` [01:10:26] - error: unsatisfied lifetime constraints [01:10:26] - error: unsatisfied lifetime constraints [01:10:26] + error: lifetime may not live long enough [01:10:26] 11 --> $DIR/issue-55748-pat-types-constrain-bindings.rs:49:5 [01:10:26] 12 | [01:10:26] 13 LL | fn coupled_types_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 { [01:10:26] [01:10:26] 16 LL | y //~ ERROR unsatisfied lifetime constraints [01:10:26] 17 | ^ returning this value requires that `'a` must outlive `'static` [01:10:26] - error: unsatisfied lifetime constraints [01:10:26] - error: unsatisfied lifetime constraints [01:10:26] + error: lifetime may not live long enough [01:10:26] 20 --> $DIR/issue-55748-pat-types-constrain-bindings.rs:62:5 [01:10:26] 21 | [01:10:26] 22 LL | fn coupled_wilds_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 { [01:10:26] [01:10:26] The actual stderr differed from the expected stderr. [01:10:26] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings/issue-55748-pat-types-constrain-bindings.stderr [01:10:26] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings/issue-55748-pat-types-constrain-bindings.stderr [01:10:26] To update references, rerun the tests and pass the `--bless` flag [01:10:26] To only update this specific test, also pass `--test-args nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs` [01:10:26] error: 1 errors occurred comparing output. [01:10:26] status: exit code: 1 [01:10:26] status: exit code: 1 [01:10:26] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings/a" "-Crpath" "-O" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings/auxiliary" "-A" "unused" [01:10:26] ------------------------------------------ [01:10:26] [01:10:26] ------------------------------------------ [01:10:26] stderr: [01:10:26] stderr: [01:10:26] ------------------------------------------ [01:10:26] {"message":"lifetime may not live long enough","code":null,"level":"error","spans":[{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":903,"byte_end":905,"line_start":28,"line_end":28,"column_start":24,"column_end":26,"is_primary":false,"text":[{"text":"fn coupled_regions_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {","highlight_start":24,"highlight_end":26}],"label":"lifetime `'a` defined here","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":1175,"byte_end":1176,"line_start":35,"line_end":35,"column_start":5,"column_end":6,"is_primary":true,"text":[{"text":" y //~ ERROR unsatisfied lifetime constraints","highlight_start":5,"highlight_end":6}],"label":"returning this value requires that `'a` must outlive `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error: lifetime may not live long enough\n --> /checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs:35:5\n |\nLL | fn coupled_regions_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {\n | -- lifetime `'a` defined here\n...\nLL | y //~ ERROR unsatisfied lifetime constraints\n | ^ returning this value requires that `'a` must outlive `'static`\n\n"} [01:10:26] {"message":"lifetime may not live long enough","code":null,"level":"error","spans":[{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":1343,"byte_end":1345,"line_start":42,"line_end":42,"column_start":22,"column_end":24,"is_primary":false,"text":[{"text":"fn coupled_types_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {","highlight_start":22,"highlight_end":24}],"label":"lifetime `'a` defined here","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":1612,"byte_end":1613,"line_start":49,"line_end":49,"column_start":5,"column_end":6,"is_primary":true,"text":[{"text":" y //~ ERROR unsatisfied lifetime constraints","highlight_start":5,"highlight_end":6}],"label":"returning this value requires that `'a` must outlive `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error: lifetime may not live long enough\n --> /checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs:49:5\n |\nLL | fn coupled_types_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {\n | -- lifetime `'a` defined here\n...\nLL | y //~ ERROR unsatisfied lifetime constraints\n | ^ returning this value requires that `'a` must outlive `'static`\n\n"} [01:10:26] {"message":"lifetime may not live long enough","code":null,"level":"error","spans":[{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":1780,"byte_end":1782,"line_start":56,"line_end":56,"column_start":22,"column_end":24,"is_primary":false,"text":[{"text":"fn coupled_wilds_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {","highlight_start":22,"highlight_end":24}],"label":"lifetime `'a` defined here","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":2041,"byte_end":2042,"line_start":62,"line_end":62,"column_start":5,"column_end":6,"is_primary":true,"text":[{"text":" y //~ ERROR unsatisfied lifetime constraints","highlight_start":5,"highlight_end":6}],"label":"returning this value requires that `'a` must outlive `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error: lifetime may not live long enough\n --> /checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs:62:5\n |\nLL | fn coupled_wilds_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {\n | -- lifetime `'a` defined here\n...\nLL | y //~ ERROR unsatisfied lifetime constraints\n | ^ returning this value requires that `'a` must outlive `'static`\n\n"} [01:10:26] {"message":"aborting due to 3 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 3 previous errors\n\n"} [01:10:26] ------------------------------------------ [01:10:26] [01:10:26] thread '[ui] ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs' panicked at 'explicit panic', src/tools/compiletest/src/runtest.rs:3245:9 [01:10:26] --- [01:10:26] [01:10:26] thread 'main' panicked at 'Some tests failed', src/tools/compiletest/src/main.rs:495:22 [01:10:26] [01:10:26] [01:10:26] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/ui" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--stage-id" "stage2-x86_64-unknown-linux-gnu" "--mode" "ui" "--target" "x86_64-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/usr/lib/llvm-6.0/bin/FileCheck" "--host-rustcflags" "-Crpath -O -Zunstable-options -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--target-rustcflags" "-Crpath -O -Zunstable-options -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--quiet" "--llvm-version" "6.0.0\n" "--system-llvm" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always" [01:10:26] [01:10:26] [01:10:26] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test [01:10:26] Build completed unsuccessfully in 0:04:40 [01:10:26] Build completed unsuccessfully in 0:04:40 [01:10:26] Makefile:48: recipe for target 'check' failed [01:10:26] make: *** [check] Error 1 The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2. travis_time:start:00378c98 $ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true) Sat Jan 26 04:29:38 UTC 2019 --- travis_time:end:06202a94:start=1548476980310689291,finish=1548476980318219409,duration=7530118 travis_fold:end:after_failure.4 travis_fold:start:after_failure.5 travis_time:start:019cd5ea $ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory travis_fold:end:after_failure.5 travis_fold:start:after_failure.6 travis_time:start:13b91232 $ dmesg | grep -i kill 

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 @TimNN. (Feature Requests)

[bors]

⌛ Testing commit e9eaebc with merge 3526776cef1eec4da22ffb85d76ce1cb8306a2bc...

[bors]

💔 Test failed - checks-travis

[rust-highfive]

The job dist-i586-gnu-i586-i686-musl of your PR failed on Travis (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.

[00:56:05] [00:56:05] ---- [ui] ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs stdout ---- [00:56:05] diff of stderr: [00:56:05] [00:56:05] - error: unsatisfied lifetime constraints [00:56:05] + error: lifetime may not live long enough [00:56:05] 2 --> $DIR/issue-55748-pat-types-constrain-bindings.rs:35:5 [00:56:05] 3 | [00:56:05] 4 LL | fn coupled_regions_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 { [00:56:05] [00:56:05] 7 LL | y //~ ERROR unsatisfied lifetime constraints [00:56:05] 8 | ^ returning this value requires that `'a` must outlive `'static` [00:56:05] - error: unsatisfied lifetime constraints [00:56:05] - error: unsatisfied lifetime constraints [00:56:05] + error: lifetime may not live long enough [00:56:05] 11 --> $DIR/issue-55748-pat-types-constrain-bindings.rs:49:5 [00:56:05] 12 | [00:56:05] 13 LL | fn coupled_types_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 { [00:56:05] [00:56:05] 16 LL | y //~ ERROR unsatisfied lifetime constraints [00:56:05] 17 | ^ returning this value requires that `'a` must outlive `'static` [00:56:05] - error: unsatisfied lifetime constraints [00:56:05] - error: unsatisfied lifetime constraints [00:56:05] + error: lifetime may not live long enough [00:56:05] 20 --> $DIR/issue-55748-pat-types-constrain-bindings.rs:62:5 [00:56:05] 21 | [00:56:05] 22 LL | fn coupled_wilds_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 { [00:56:05] [00:56:05] The actual stderr differed from the expected stderr. [00:56:05] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings/issue-55748-pat-types-constrain-bindings.stderr [00:56:05] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings/issue-55748-pat-types-constrain-bindings.stderr [00:56:05] To update references, rerun the tests and pass the `--bless` flag [00:56:05] To only update this specific test, also pass `--test-args nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs` [00:56:05] error: 1 errors occurred comparing output. [00:56:05] status: exit code: 1 [00:56:05] status: exit code: 1 [00:56:05] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs" "--target=i586-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings/a" "-Crpath" "-O" "-Zunstable-options" "-Lnative=/checkout/obj/build/i586-unknown-linux-gnu/native/rust-test-helpers" "-Clinker=cc" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings/auxiliary" "-A" "unused" [00:56:05] ------------------------------------------ [00:56:05] [00:56:05] ------------------------------------------ [00:56:05] stderr: [00:56:05] stderr: [00:56:05] ------------------------------------------ [00:56:05] {"message":"lifetime may not live long enough","code":null,"level":"error","spans":[{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":903,"byte_end":905,"line_start":28,"line_end":28,"column_start":24,"column_end":26,"is_primary":false,"text":[{"text":"fn coupled_regions_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {","highlight_start":24,"highlight_end":26}],"label":"lifetime `'a` defined here","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":1175,"byte_end":1176,"line_start":35,"line_end":35,"column_start":5,"column_end":6,"is_primary":true,"text":[{"text":" y //~ ERROR unsatisfied lifetime constraints","highlight_start":5,"highlight_end":6}],"label":"returning this value requires that `'a` must outlive `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error: lifetime may not live long enough\n --> /checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs:35:5\n |\nLL | fn coupled_regions_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {\n | -- lifetime `'a` defined here\n...\nLL | y //~ ERROR unsatisfied lifetime constraints\n | ^ returning this value requires that `'a` must outlive `'static`\n\n"} [00:56:05] {"message":"lifetime may not live long enough","code":null,"level":"error","spans":[{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":1343,"byte_end":1345,"line_start":42,"line_end":42,"column_start":22,"column_end":24,"is_primary":false,"text":[{"text":"fn coupled_types_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {","highlight_start":22,"highlight_end":24}],"label":"lifetime `'a` defined here","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":1612,"byte_end":1613,"line_start":49,"line_end":49,"column_start":5,"column_end":6,"is_primary":true,"text":[{"text":" y //~ ERROR unsatisfied lifetime constraints","highlight_start":5,"highlight_end":6}],"label":"returning this value requires that `'a` must outlive `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error: lifetime may not live long enough\n --> /checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs:49:5\n |\nLL | fn coupled_types_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {\n | -- lifetime `'a` defined here\n...\nLL | y //~ ERROR unsatisfied lifetime constraints\n | ^ returning this value requires that `'a` must outlive `'static`\n\n"} [00:56:05] {"message":"lifetime may not live long enough","code":null,"level":"error","spans":[{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":1780,"byte_end":1782,"line_start":56,"line_end":56,"column_start":22,"column_end":24,"is_primary":false,"text":[{"text":"fn coupled_wilds_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {","highlight_start":22,"highlight_end":24}],"label":"lifetime `'a` defined here","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs","byte_start":2041,"byte_end":2042,"line_start":62,"line_end":62,"column_start":5,"column_end":6,"is_primary":true,"text":[{"text":" y //~ ERROR unsatisfied lifetime constraints","highlight_start":5,"highlight_end":6}],"label":"returning this value requires that `'a` must outlive `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error: lifetime may not live long enough\n --> /checkout/src/test/ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs:62:5\n |\nLL | fn coupled_wilds_lhs<'a>(_x: &'a u32, s: &'static u32) -> &'static u32 {\n | -- lifetime `'a` defined here\n...\nLL | y //~ ERROR unsatisfied lifetime constraints\n | ^ returning this value requires that `'a` must outlive `'static`\n\n"} [00:56:05] {"message":"aborting due to 3 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 3 previous errors\n\n"} [00:56:05] ------------------------------------------ [00:56:05] [00:56:05] thread '[ui] ui/nll/user-annotations/issue-55748-pat-types-constrain-bindings.rs' panicked at 'explicit panic', src/tools/compiletest/src/runtest.rs:3245:9 [00:56:05] --- [00:56:05] [00:56:05] thread 'main' panicked at 'Some tests failed', src/tools/compiletest/src/main.rs:495:22 [00:56:05] [00:56:05] [00:56:05] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/i586-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/ui" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--stage-id" "stage2-i586-unknown-linux-gnu" "--mode" "ui" "--target" "i586-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/checkout/obj/build/x86_64-unknown-linux-gnu/llvm/build/bin/FileCheck" "--linker" "cc" "--host-rustcflags" "-Crpath -O -Zunstable-options -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--target-rustcflags" "-Crpath -O -Zunstable-options -Lnative=/checkout/obj/build/i586-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--llvm-version" "8.0.0\n" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always" [00:56:05] [00:56:05] [00:56:05] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test --target i586-unknown-linux-gnu,i686-unknown-linux-musl [00:56:05] Build completed unsuccessfully in 0:52:42 --- travis_time:end:3847779a:start=1548481524131822862,finish=1548481524138407223,duration=6584361 travis_fold:end:after_failure.3 travis_fold:start:after_failure.4 travis_time:start:03ef1773 $ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true travis_fold:end:after_failure.4 travis_fold:start:after_failure.5 travis_time:start:01d3787f travis_time:start:01d3787f $ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory travis_fold:end:after_failure.5 travis_fold:start:after_failure.6 travis_time:start:0a0986ce $ dmesg | grep -i kill 

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☔ The latest upstream changes (presumably #57726) made this pull request unmergeable. Please resolve the merge conflicts.