[INFO] fetching crate membarrier 0.2.2...
[INFO] testing membarrier-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate membarrier 0.2.2 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate membarrier 0.2.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate membarrier 0.2.2
[INFO] finished tweaking crates.io crate membarrier 0.2.2
[INFO] tweaked toml for crates.io crate membarrier 0.2.2 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d6db21aaa3c7e562f6dd357d1ae24b6f5049365f8911c9e85c0d7d8e2eed37f
[INFO] running `Command { std: "docker" "start" "-a" "3d6db21aaa3c7e562f6dd357d1ae24b6f5049365f8911c9e85c0d7d8e2eed37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d6db21aaa3c7e562f6dd357d1ae24b6f5049365f8911c9e85c0d7d8e2eed37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6db21aaa3c7e562f6dd357d1ae24b6f5049365f8911c9e85c0d7d8e2eed37f", kill_on_drop: false }`
[INFO] [stdout] 3d6db21aaa3c7e562f6dd357d1ae24b6f5049365f8911c9e85c0d7d8e2eed37f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3814eaf39af0c6329f765600c0986aaa1206865606b0241d4a12ab399f7ae217
[INFO] running `Command { std: "docker" "start" "-a" "3814eaf39af0c6329f765600c0986aaa1206865606b0241d4a12ab399f7ae217", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling membarrier v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:281:68
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "3814eaf39af0c6329f765600c0986aaa1206865606b0241d4a12ab399f7ae217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3814eaf39af0c6329f765600c0986aaa1206865606b0241d4a12ab399f7ae217", kill_on_drop: false }`
[INFO] [stdout] 3814eaf39af0c6329f765600c0986aaa1206865606b0241d4a12ab399f7ae217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1f4bb28882c4ab8c505d408f6b192b98a3b8b3a06d95c23572cb10b53cca64e
[INFO] running `Command { std: "docker" "start" "-a" "c1f4bb28882c4ab8c505d408f6b192b98a3b8b3a06d95c23572cb10b53cca64e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling membarrier v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:281:68
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:281:68
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "c1f4bb28882c4ab8c505d408f6b192b98a3b8b3a06d95c23572cb10b53cca64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f4bb28882c4ab8c505d408f6b192b98a3b8b3a06d95c23572cb10b53cca64e", kill_on_drop: false }`
[INFO] [stdout] c1f4bb28882c4ab8c505d408f6b192b98a3b8b3a06d95c23572cb10b53cca64e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cfdfc52e78f8e99fbef29a039114497562dd11a776d475735bcccde20b6a3508
[INFO] running `Command { std: "docker" "start" "-a" "cfdfc52e78f8e99fbef29a039114497562dd11a776d475735bcccde20b6a3508", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:281:68
[INFO] [stderr]     |
[INFO] [stderr] 281 |                     let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `membarrier` (lib) generated 1 warning
[INFO] [stderr] warning: `membarrier` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/membarrier-222e5e7d6526ce7c)
[INFO] [stderr]      Running tests/membarrier.rs (/opt/rustwide/target/debug/deps/membarrier-72043dcda3ca279a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests membarrier
[INFO] [stdout] test fences ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cfdfc52e78f8e99fbef29a039114497562dd11a776d475735bcccde20b6a3508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdfc52e78f8e99fbef29a039114497562dd11a776d475735bcccde20b6a3508", kill_on_drop: false }`
[INFO] [stdout] cfdfc52e78f8e99fbef29a039114497562dd11a776d475735bcccde20b6a3508