[INFO] fetching crate std-semaphore 0.1.0...
[INFO] testing std-semaphore-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate std-semaphore 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate std-semaphore 0.1.0 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 std-semaphore 0.1.0
[INFO] finished tweaking crates.io crate std-semaphore 0.1.0
[INFO] tweaked toml for crates.io crate std-semaphore 0.1.0 written to /workspace/builds/worker-13/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2857def0081c3647f2eb59467f578dd785922a3ab77ecbdbcdfaffe8f83b913e
[INFO] running `Command { std: "docker" "start" "-a" "2857def0081c3647f2eb59467f578dd785922a3ab77ecbdbcdfaffe8f83b913e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2857def0081c3647f2eb59467f578dd785922a3ab77ecbdbcdfaffe8f83b913e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2857def0081c3647f2eb59467f578dd785922a3ab77ecbdbcdfaffe8f83b913e", kill_on_drop: false }`
[INFO] [stdout] 2857def0081c3647f2eb59467f578dd785922a3ab77ecbdbcdfaffe8f83b913e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c23fbd15b289a008b509d6d2b20577cb176cc57995e03cf89f9ac69c07bee92c
[INFO] running `Command { std: "docker" "start" "-a" "c23fbd15b289a008b509d6d2b20577cb176cc57995e03cf89f9ac69c07bee92c", kill_on_drop: false }`
[INFO] [stderr]    Compiling std-semaphore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c23fbd15b289a008b509d6d2b20577cb176cc57995e03cf89f9ac69c07bee92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23fbd15b289a008b509d6d2b20577cb176cc57995e03cf89f9ac69c07bee92c", kill_on_drop: false }`
[INFO] [stdout] c23fbd15b289a008b509d6d2b20577cb176cc57995e03cf89f9ac69c07bee92c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3c53da38805c72f542c4e7fc4db321d2dfb5a8d0d99582a638c24ec847d4546d
[INFO] running `Command { std: "docker" "start" "-a" "3c53da38805c72f542c4e7fc4db321d2dfb5a8d0d99582a638c24ec847d4546d", kill_on_drop: false }`
[INFO] [stderr]    Compiling std-semaphore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "3c53da38805c72f542c4e7fc4db321d2dfb5a8d0d99582a638c24ec847d4546d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c53da38805c72f542c4e7fc4db321d2dfb5a8d0d99582a638c24ec847d4546d", kill_on_drop: false }`
[INFO] [stdout] 3c53da38805c72f542c4e7fc4db321d2dfb5a8d0d99582a638c24ec847d4546d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 5e94ab9653b14f012ef14c8cb68607efb268cffd939d4613d9e4b35bdfbae8dd
[INFO] running `Command { std: "docker" "start" "-a" "5e94ab9653b14f012ef14c8cb68607efb268cffd939d4613d9e4b35bdfbae8dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/std_semaphore-6bb499d0085e9af0)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_sem_acquire_release ... ok
[INFO] [stdout] test tests::test_sem_basic ... ok
[INFO] [stdout] test tests::test_sem_as_mutex ... ok
[INFO] [stdout] test tests::test_sem_as_cvar ... ok
[INFO] [stdout] test tests::test_sem_multi_resource ... ok
[INFO] [stdout] test tests::test_sem_runtime_friendly_blocking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests std-semaphore
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Semaphore (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e94ab9653b14f012ef14c8cb68607efb268cffd939d4613d9e4b35bdfbae8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e94ab9653b14f012ef14c8cb68607efb268cffd939d4613d9e4b35bdfbae8dd", kill_on_drop: false }`
[INFO] [stdout] 5e94ab9653b14f012ef14c8cb68607efb268cffd939d4613d9e4b35bdfbae8dd