Rollup of 14 pull requests

[Mark-Simulacrum]

Successful merges:

• Documents reference equality by address (#54197) #54755 (Documents reference equality by address (Cover reference equality in primitive.reference API docs #54197))
• During rustc bootstrap, make default for optimize independent of debug #54811 (During rustc bootstrap, make default for optimize independent of debug)
• NLL says "borrowed content" instead of more precise "dereference of raw pointer" #54825 (NLL says "borrowed content" instead of more precise "dereference of raw pointer")
• Add doc comments about safest way to initialize a vector of zeros #54860 (Add doc comments about safest way to initialize a vector of zeros)
• Fix tracking issue for Once::is_completed #54891 (Fix tracking issue for Once::is_completed)
• doc fix: it's auto traits that make for automatic implementations #54913 (doc fix: it's auto traits that make for automatic implementations)
• submodules: update clippy, rls and cargo, fix toolstate #54916 (submodules: update clippy, rls and cargo, fix toolstate)
• Unused result warning: "X which must" ↦ "X that must" #54917 (Unused result warning: "X which must" ↦ "X that must")
• Fix handling of #[must_use] on unit and uninhabited types #54920 (Fix handling of #[must_use] on unit and uninhabited types)
• A handful of random string-related improvements #54932 (A handful of random string-related improvements)
• impl Eq+Hash for TyLayout #54936 (impl Eq+Hash for TyLayout)
• "(using ..." doesn't have the matching ")" #54956 ("(using ..." doesn't have the matching ")")
• add a macro for static (compile-time) assertions #54958 (add a macro for static (compile-time) assertions)
• Remove incorrect span for second label inner macro invocation #54967 (Remove incorrect span for second label inner macro invocation)

Failed merges:

r? @ghost

[Mark-Simulacrum]

@bors r+ p=5

[bors]

📌 Commit e5ed251 has been approved by Mark-Simulacrum

[bors]

⌛ Testing commit e5ed251 with merge 6a804aeae500b44a0c9703b1ea8e377bece39005...

[rust-highfive]

The job x86_64-gnu-llvm-5.0 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.

[00:51:04] .................................................................................................... 300/4592 [00:51:07] .................................................................................................... 400/4592 [00:51:10] .................................................................................................... 500/4592 [00:51:14] ........i........................................................................................... 600/4592 [00:51:19] ....F............................................................................................... 700/4592 [00:51:28] ..........................................................iiiii..................................... 900/4592 [00:51:31] .................................................................................................... 1000/4592 [00:51:33] .................................................................................................... 1100/4592 [00:51:36] .................................................................................................... 1200/4592 --- [00:52:22] .................................................................................................... 2500/4592 [00:52:27] .................................................................................................... 2600/4592 [00:52:31] .................................................................................................... 2700/4592 [00:52:34] .................................................................................................... 2800/4592 [00:52:38] .............................................................................F...................... 2900/4592 [00:52:45] .................................................................................................... 3100/4592 [00:52:48] .......i.i..ii...................................................................................... 3200/4592 [00:52:53] .................................................................................................... 3300/4592 [00:52:56] ...........................................................i........................................ 3400/4592 --- [00:53:38] [00:53:38] ---- [ui] ui/conditional-compilation/cfg-attr-multi-true.rs stdout ---- [00:53:38] diff of stderr: [00:53:38] [00:53:38] 24 LL | MustUseDeprecated {} //~ warning: use of deprecated item [00:53:38] 26 [00:53:38] 26 [00:53:38] - warning: unused `MustUseDeprecated` which must be used [00:53:38] + warning: unused `MustUseDeprecated` that must be used [00:53:38] 29 | [00:53:38] 29 | [00:53:38] 30 LL | MustUseDeprecated::new(); //~ warning: use of deprecated item [00:53:38] [00:53:38] The actual stderr differed from the expected stderr. [00:53:38] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/conditional-compilation/cfg-attr-multi-true/cfg-attr-multi-true.stderr [00:53:38] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/conditional-compilation/cfg-attr-multi-true/cfg-attr-multi-true.stderr [00:53:38] To update references, rerun the tests and pass the `--bless` flag [00:53:38] To only update this specific test, also pass `--test-args conditional-compilation/cfg-attr-multi-true.rs` [00:53:38] error: 1 errors occurred comparing output. [00:53:38] status: exit code: 0 [00:53:38] status: exit code: 0 [00:53:38] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.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/conditional-compilation/cfg-attr-multi-true/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/conditional-compilation/cfg-attr-multi-true/auxiliary" "-A" "unused" [00:53:38] ------------------------------------------ [00:53:38] [00:53:38] ------------------------------------------ [00:53:38] stderr: [00:53:38] stderr: [00:53:38] ------------------------------------------ [00:53:38] {"message":"use of deprecated item 'MustUseDeprecated'","code":{"code":"deprecated","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":334,"byte_end":351,"line_start":13,"line_end":13,"column_start":6,"column_end":23,"is_primary":true,"text":[{"text":"impl MustUseDeprecated { //~ warning: use of deprecated item","highlight_start":6,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"#[warn(deprecated)] on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"warning: use of deprecated item 'MustUseDeprecated'\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:13:6\n |\nLL | impl MustUseDeprecated { //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^\n |\n = note: #[warn(deprecated)] on by default\n\n"} [00:53:38] {"message":"use of deprecated item 'MustUseDeprecated'","code":{"code":"deprecated","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":552,"byte_end":574,"line_start":20,"line_end":20,"column_start":5,"column_end":27,"is_primary":true,"text":[{"text":" MustUseDeprecated::new(); //~ warning: use of deprecated item","highlight_start":5,"highlight_end":27}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"warning: use of deprecated item 'MustUseDeprecated'\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:20:5\n |\nLL | MustUseDeprecated::new(); //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^^^^^^\n\n"} [00:53:38] {"message":"use of deprecated item 'MustUseDeprecated'","code":{"code":"deprecated","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":406,"byte_end":423,"line_start":14,"line_end":14,"column_start":17,"column_end":34,"is_primary":true,"text":[{"text":" fn new() -> MustUseDeprecated { //~ warning: use of deprecated item","highlight_start":17,"highlight_end":34}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"warning: use of deprecated item 'MustUseDeprecated'\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:14:17\n |\nLL | fn new() -> MustUseDeprecated { //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^\n\n"} [00:53:38] {"message":"use of deprecated item 'MustUseDeprecated'","code":{"code":"deprecated","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":470,"byte_end":487,"line_start":15,"line_end":15,"column_start":9,"column_end":26,"is_primary":true,"text":[{"text":" MustUseDeprecated {} //~ warning: use of deprecated item","highlight_start":9,"highlight_end":26}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"warning: use of deprecated item 'MustUseDeprecated'\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:15:9\n |\nLL | MustUseDeprecated {} //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^\n\n"} [00:53:38] {"message":"unused `MustUseDeprecated` that must be used","code":{"code":"unused_must_use","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":552,"byte_end":577,"line_start":20,"line_end":20,"column_start":5,"column_end":30,"is_primary":true,"text":[{"text":" MustUseDeprecated::new(); //~ warning: use of deprecated item","highlight_start":5,"highlight_end":30}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"lint level defined here","code":null,"level":"note","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":212,"byte_end":227,"line_start":7,"line_end":7,"column_start":9,"column_end":24,"is_primary":true,"text":[{"text":"#![warn(unused_must_use)]","highlight_start":9,"highlight_end":24}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null}],"rendered":"warning: unused `MustUseDeprecated` that must be used\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:20:5\n |\nLL | MustUseDeprecated::new(); //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^^^^^^^^^\n |\nnote: lint level defined here\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:7:9\n |\nLL | #![warn(unused_must_use)]\n | ^^^^^^^^^^^^^^^\n\n"} [00:53:38] ------------------------------------------ [00:53:38] [00:53:38] thread '[ui] ui/conditional-compilation/cfg-attr-multi-true.rs' panicked at 'explicit panic', tools/compiletest/src/runtest.rs:3277:9 [00:53:38] note: Run with `RUST_BACKTRACE=1` for a backtrace. [00:53:38] note: Run with `RUST_BACKTRACE=1` for a backtrace. [00:53:38] [00:53:38] ---- [ui] ui/lint/must_use-unit.rs stdout ---- [00:53:38] diff of stderr: [00:53:38] [00:53:38] - error: unused return value of `foo` which must be used [00:53:38] + error: unused return value of `foo` that must be used [00:53:38] 3 | [00:53:38] 3 | [00:53:38] 4 LL | foo(); //~ unused return value of `foo` [00:53:38] [00:53:38] 10 LL | #![deny(unused_must_use)] [00:53:38] 12 [00:53:38] 12 [00:53:38] - error: unused return value of `bar` which must be used [00:53:38] + error: unused return value of `bar` that must be used [00:53:38] 15 | [00:53:38] 15 | [00:53:38] 16 LL | bar(); //~ unused return value of `bar` [00:53:38] [00:53:38] The actual stderr differed from the expected stderr. [00:53:38] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lint/must_use-unit/must_use-unit.stderr [00:53:38] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lint/must_use-unit/must_use-unit.stderr [00:53:38] To update references, rerun the tests and pass the `--bless` flag [00:53:38] To only update this specific test, also pass `--test-args lint/must_use-unit.rs` [00:53:38] error: 1 errors occurred comparing output. [00:53:38] status: exit code: 1 [00:53:38] status: exit code: 1 [00:53:38] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/lint/must_use-unit.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/lint/must_use-unit/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/lint/must_use-unit/auxiliary" "-A" "unused" [00:53:38] ------------------------------------------ [00:53:38] [00:53:38] ------------------------------------------ [00:53:38] stderr: [00:53:38] stderr: [00:53:38] ------------------------------------------ [00:53:38] {"message":"unused return value of `foo` that must be used","code":{"code":"unused_must_use","explanation":null},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/lint/must_use-unit.rs","byte_start":145,"byte_end":151,"line_start":14,"line_end":14,"column_start":5,"column_end":11,"is_primary":true,"text":[{"text":" foo(); //~ unused return value of `foo`","highlight_start":5,"highlight_end":11}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"lint level defined here","code":null,"level":"note","spans":[{"file_name":"/checkout/src/test/ui/lint/must_use-unit.rs","byte_start":33,"byte_end":48,"line_start":3,"line_end":3,"column_start":9,"column_end":24,"is_primary":true,"text":[{"text":"#![deny(unused_must_use)]","highlight_start":9,"highlight_end":24}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null}],"rendered":"error: unused return value of `foo` that must be used\n --> /checkout/src/test/ui/lint/must_use-unit.rs:14:5\n |\nLL | foo(); //~ unused return value of `foo`\n | ^^^^^^\n |\nnote: lint level defined here\n --> /checkout/src/test/ui/lint/must_use-unit.rs:3:9\n |\nLL | #![deny(unused_must_use)]\n | ^^^^^^^^^^^^^^^\n\n"} [00:53:38] {"message":"unused return value of `bar` that must be used","code":{"code":"unused_must_use","explanation":null},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/lint/must_use-unit.rs","byte_start":190,"byte_end":196,"line_start":16,"line_end":16,"column_start":5,"column_end":11,"is_primary":true,"text":[{"text":" bar(); //~ unused return value of `bar`","highlight_start":5,"highlight_end":11}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error: unused return value of `bar` that must be used\n --> /checkout/src/test/ui/lint/must_use-unit.rs:16:5\n |\nLL | bar(); //~ unused return value of `bar`\n | ^^^^^^\n\n"} [00:53:38] {"message":"aborting due to 2 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 2 previous errors\n\n"} [00:53:38] ------------------------------------------ [00:53:38] [00:53:38] thread '[ui] ui/lint/must_use-unit.rs' panicked at 'explicit panic', tools/compiletest/src/runtest.rs:3277:9 [00:53:38] --- [00:53:38] [00:53:38] thread 'main' panicked at 'Some tests failed', tools/compiletest/src/main.rs:501:22 [00:53:38] [00:53:38] [00:53:38] 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-5.0/bin/FileCheck" "--host-rustcflags" "-Crpath -O -Zunstable-options " "--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" "5.0.0\n" "--system-llvm" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always" [00:53:38] [00:53:38] [00:53:38] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test [00:53:38] Build completed unsuccessfully in 0:03:52 [00:53:38] Build completed unsuccessfully in 0:03:52 [00:53:38] Makefile:58: recipe for target 'check' failed [00:53:38] make: *** [check] Error 1 The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2. travis_time:start:03ef7a80 $ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true) --- travis_time:end:267dad98:start=1539271774933487866,finish=1539271774938203014,duration=4715148 travis_fold:end:after_failure.3 travis_fold:start:after_failure.4 travis_time:start:06e31c00 $ 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:1a4b9d2b travis_time:start:1a4b9d2b $ 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:005d3a64 $ 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]

💔 Test failed - status-travis

[rust-highfive]

The job dist-x86_64-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.

[00:45:23] [00:45:23] ---- [ui] ui/conditional-compilation/cfg-attr-multi-true.rs stdout ---- [00:45:23] diff of stderr: [00:45:23] [00:45:23] 24 LL | MustUseDeprecated {} //~ warning: use of deprecated item [00:45:23] 26 [00:45:23] 26 [00:45:23] - warning: unused `MustUseDeprecated` which must be used [00:45:23] + warning: unused `MustUseDeprecated` that must be used [00:45:23] 29 | [00:45:23] 29 | [00:45:23] 30 LL | MustUseDeprecated::new(); //~ warning: use of deprecated item [00:45:23] [00:45:23] The actual stderr differed from the expected stderr. [00:45:23] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/conditional-compilation/cfg-attr-multi-true/cfg-attr-multi-true.stderr [00:45:23] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/conditional-compilation/cfg-attr-multi-true/cfg-attr-multi-true.stderr [00:45:23] To update references, rerun the tests and pass the `--bless` flag [00:45:23] To only update this specific test, also pass `--test-args conditional-compilation/cfg-attr-multi-true.rs` [00:45:23] error: 1 errors occurred comparing output. [00:45:23] status: exit code: 0 [00:45:23] status: exit code: 0 [00:45:23] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs" "--target=x86_64-unknown-linux-musl" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/conditional-compilation/cfg-attr-multi-true/a" "-Crpath" "-O" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-musl/native/rust-test-helpers" "-Clinker=/musl-x86_64/bin/musl-gcc" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/conditional-compilation/cfg-attr-multi-true/auxiliary" "-A" "unused" [00:45:23] ------------------------------------------ [00:45:23] [00:45:23] ------------------------------------------ [00:45:23] stderr: [00:45:23] stderr: [00:45:23] ------------------------------------------ [00:45:23] {"message":"use of deprecated item 'MustUseDeprecated'","code":{"code":"deprecated","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":334,"byte_end":351,"line_start":13,"line_end":13,"column_start":6,"column_end":23,"is_primary":true,"text":[{"text":"impl MustUseDeprecated { //~ warning: use of deprecated item","highlight_start":6,"highlight_end":23}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"#[warn(deprecated)] on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"warning: use of deprecated item 'MustUseDeprecated'\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:13:6\n |\nLL | impl MustUseDeprecated { //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^\n |\n = note: #[warn(deprecated)] on by default\n\n"} [00:45:23] {"message":"use of deprecated item 'MustUseDeprecated'","code":{"code":"deprecated","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":552,"byte_end":574,"line_start":20,"line_end":20,"column_start":5,"column_end":27,"is_primary":true,"text":[{"text":" MustUseDeprecated::new(); //~ warning: use of deprecated item","highlight_start":5,"highlight_end":27}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"warning: use of deprecated item 'MustUseDeprecated'\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:20:5\n |\nLL | MustUseDeprecated::new(); //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^^^^^^\n\n"} [00:45:23] {"message":"use of deprecated item 'MustUseDeprecated'","code":{"code":"deprecated","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":406,"byte_end":423,"line_start":14,"line_end":14,"column_start":17,"column_end":34,"is_primary":true,"text":[{"text":" fn new() -> MustUseDeprecated { //~ warning: use of deprecated item","highlight_start":17,"highlight_end":34}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"warning: use of deprecated item 'MustUseDeprecated'\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:14:17\n |\nLL | fn new() -> MustUseDeprecated { //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^\n\n"} [00:45:23] {"message":"use of deprecated item 'MustUseDeprecated'","code":{"code":"deprecated","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":470,"byte_end":487,"line_start":15,"line_end":15,"column_start":9,"column_end":26,"is_primary":true,"text":[{"text":" MustUseDeprecated {} //~ warning: use of deprecated item","highlight_start":9,"highlight_end":26}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"warning: use of deprecated item 'MustUseDeprecated'\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:15:9\n |\nLL | MustUseDeprecated {} //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^\n\n"} [00:45:23] {"message":"unused `MustUseDeprecated` that must be used","code":{"code":"unused_must_use","explanation":null},"level":"warning","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":552,"byte_end":577,"line_start":20,"line_end":20,"column_start":5,"column_end":30,"is_primary":true,"text":[{"text":" MustUseDeprecated::new(); //~ warning: use of deprecated item","highlight_start":5,"highlight_end":30}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"lint level defined here","code":null,"level":"note","spans":[{"file_name":"/checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs","byte_start":212,"byte_end":227,"line_start":7,"line_end":7,"column_start":9,"column_end":24,"is_primary":true,"text":[{"text":"#![warn(unused_must_use)]","highlight_start":9,"highlight_end":24}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null}],"rendered":"warning: unused `MustUseDeprecated` that must be used\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:20:5\n |\nLL | MustUseDeprecated::new(); //~ warning: use of deprecated item\n | ^^^^^^^^^^^^^^^^^^^^^^^^^\n |\nnote: lint level defined here\n --> /checkout/src/test/ui/conditional-compilation/cfg-attr-multi-true.rs:7:9\n |\nLL | #![warn(unused_must_use)]\n | ^^^^^^^^^^^^^^^\n\n"} [00:45:23] ------------------------------------------ [00:45:23] [00:45:23] thread '[ui] ui/conditional-compilation/cfg-attr-multi-true.rs' panicked at 'explicit panic', tools/compiletest/src/runtest.rs:3277:9 [00:45:23] note: Run with `RUST_BACKTRACE=1` for a backtrace. [00:45:23] note: Run with `RUST_BACKTRACE=1` for a backtrace. [00:45:23] [00:45:23] ---- [ui] ui/lint/must_use-unit.rs stdout ---- [00:45:23] diff of stderr: [00:45:23] [00:45:23] - error: unused return value of `foo` which must be used [00:45:23] + error: unused return value of `foo` that must be used [00:45:23] 3 | [00:45:23] 3 | [00:45:23] 4 LL | foo(); //~ unused return value of `foo` [00:45:23] [00:45:23] 10 LL | #![deny(unused_must_use)] [00:45:23] 12 [00:45:23] 12 [00:45:23] - error: unused return value of `bar` which must be used [00:45:23] + error: unused return value of `bar` that must be used [00:45:23] 15 | [00:45:23] 15 | [00:45:23] 16 LL | bar(); //~ unused return value of `bar` [00:45:23] [00:45:23] The actual stderr differed from the expected stderr. [00:45:23] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lint/must_use-unit/must_use-unit.stderr [00:45:23] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lint/must_use-unit/must_use-unit.stderr [00:45:23] To update references, rerun the tests and pass the `--bless` flag [00:45:23] To only update this specific test, also pass `--test-args lint/must_use-unit.rs` [00:45:23] error: 1 errors occurred comparing output. [00:45:23] status: exit code: 1 [00:45:23] status: exit code: 1 [00:45:23] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/lint/must_use-unit.rs" "--target=x86_64-unknown-linux-musl" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lint/must_use-unit/a" "-Crpath" "-O" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-musl/native/rust-test-helpers" "-Clinker=/musl-x86_64/bin/musl-gcc" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lint/must_use-unit/auxiliary" "-A" "unused" [00:45:23] ------------------------------------------ [00:45:23] [00:45:23] ------------------------------------------ [00:45:23] stderr: [00:45:23] stderr: [00:45:23] ------------------------------------------ [00:45:23] {"message":"unused return value of `foo` that must be used","code":{"code":"unused_must_use","explanation":null},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/lint/must_use-unit.rs","byte_start":145,"byte_end":151,"line_start":14,"line_end":14,"column_start":5,"column_end":11,"is_primary":true,"text":[{"text":" foo(); //~ unused return value of `foo`","highlight_start":5,"highlight_end":11}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"lint level defined here","code":null,"level":"note","spans":[{"file_name":"/checkout/src/test/ui/lint/must_use-unit.rs","byte_start":33,"byte_end":48,"line_start":3,"line_end":3,"column_start":9,"column_end":24,"is_primary":true,"text":[{"text":"#![deny(unused_must_use)]","highlight_start":9,"highlight_end":24}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null}],"rendered":"error: unused return value of `foo` that must be used\n --> /checkout/src/test/ui/lint/must_use-unit.rs:14:5\n |\nLL | foo(); //~ unused return value of `foo`\n | ^^^^^^\n |\nnote: lint level defined here\n --> /checkout/src/test/ui/lint/must_use-unit.rs:3:9\n |\nLL | #![deny(unused_must_use)]\n | ^^^^^^^^^^^^^^^\n\n"} [00:45:23] {"message":"unused return value of `bar` that must be used","code":{"code":"unused_must_use","explanation":null},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/lint/must_use-unit.rs","byte_start":190,"byte_end":196,"line_start":16,"line_end":16,"column_start":5,"column_end":11,"is_primary":true,"text":[{"text":" bar(); //~ unused return value of `bar`","highlight_start":5,"highlight_end":11}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error: unused return value of `bar` that must be used\n --> /checkout/src/test/ui/lint/must_use-unit.rs:16:5\n |\nLL | bar(); //~ unused return value of `bar`\n | ^^^^^^\n\n"} [00:45:23] {"message":"aborting due to 2 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 2 previous errors\n\n"} [00:45:23] ------------------------------------------ [00:45:23] [00:45:23] thread '[ui] ui/lint/must_use-unit.rs' panicked at 'explicit panic', tools/compiletest/src/runtest.rs:3277:9 [00:45:23] --- [00:45:23] test result: FAILED. 4567 passed; 2 failed; 23 ignored; 0 measured; 0 filtered out [00:45:23] [00:45:23] [00:45:23] [00:45:23] 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-musl/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-musl" "--mode" "ui" "--target" "x86_64-unknown-linux-musl" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/checkout/obj/build/x86_64-unknown-linux-gnu/llvm/build/bin/FileCheck" "--linker" "/musl-x86_64/bin/musl-gcc" "--host-rustcflags" "-Crpath -O -Zunstable-options " "--target-rustcflags" "-Crpath -O -Zunstable-options -Lnative=/checkout/obj/build/x86_64-unknown-linux-musl/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--llvm-version" "8.0.0svn\n" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always" [00:45:23] [00:45:23] [00:45:23] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test --target x86_64-unknown-linux-musl [00:45:23] Build completed unsuccessfully in 0:42:25 --- travis_time:end:240fca00:start=1539273540965673459,finish=1539273540971640363,duration=5966904 travis_fold:end:after_failure.3 travis_fold:start:after_failure.4 travis_time:start:149c9685 $ 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:1c93e9d8 travis_time:start:1c93e9d8 $ 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:10069d3a $ dmesg | grep -i kill 

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