[INFO] fetching crate concurrency_traits 0.7.2...
[INFO] testing concurrency_traits-0.7.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate concurrency_traits 0.7.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate concurrency_traits 0.7.2 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 concurrency_traits 0.7.2
[INFO] finished tweaking crates.io crate concurrency_traits 0.7.2
[INFO] tweaked toml for crates.io crate concurrency_traits 0.7.2 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] fbfe70ce9c425c4773ee9494a4036c09fa9e3304baa9653d8ddd4c20cfba7477
[INFO] running `Command { std: "docker" "start" "-a" "fbfe70ce9c425c4773ee9494a4036c09fa9e3304baa9653d8ddd4c20cfba7477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbfe70ce9c425c4773ee9494a4036c09fa9e3304baa9653d8ddd4c20cfba7477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfe70ce9c425c4773ee9494a4036c09fa9e3304baa9653d8ddd4c20cfba7477", kill_on_drop: false }`
[INFO] [stdout] fbfe70ce9c425c4773ee9494a4036c09fa9e3304baa9653d8ddd4c20cfba7477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9e68eacdc6b8bf1f1e78e5652b834d523094e703bf205109b8609a8a0eac2cd0
[INFO] running `Command { std: "docker" "start" "-a" "9e68eacdc6b8bf1f1e78e5652b834d523094e703bf205109b8609a8a0eac2cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling atomic_swapping v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling simple_futures v0.1.2
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling concurrency_traits v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.12s
[INFO] running `Command { std: "docker" "inspect" "9e68eacdc6b8bf1f1e78e5652b834d523094e703bf205109b8609a8a0eac2cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e68eacdc6b8bf1f1e78e5652b834d523094e703bf205109b8609a8a0eac2cd0", kill_on_drop: false }`
[INFO] [stdout] 9e68eacdc6b8bf1f1e78e5652b834d523094e703bf205109b8609a8a0eac2cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b8ed5c4a3be1c1819c2201724f07b83910e3e51d2fb19e563cb24668a8220e52
[INFO] running `Command { std: "docker" "start" "-a" "b8ed5c4a3be1c1819c2201724f07b83910e3e51d2fb19e563cb24668a8220e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling concurrency_traits v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "b8ed5c4a3be1c1819c2201724f07b83910e3e51d2fb19e563cb24668a8220e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ed5c4a3be1c1819c2201724f07b83910e3e51d2fb19e563cb24668a8220e52", kill_on_drop: false }`
[INFO] [stdout] b8ed5c4a3be1c1819c2201724f07b83910e3e51d2fb19e563cb24668a8220e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 5116c72b07ecebf40364c45a282cec585e8358668b540387fb68e8aba43a98b0
[INFO] running `Command { std: "docker" "start" "-a" "5116c72b07ecebf40364c45a282cec585e8358668b540387fb68e8aba43a98b0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concurrency_traits-5b84e043faf4bc78)
[INFO] [stdout] test mutex::custom::test::try_mutex_test ... ok
[INFO] [stderr]    Doc-tests concurrency_traits
[INFO] [stdout] test queue::impls::park_queue::test::function_test ... ok
[INFO] [stdout] test mutex::custom::test::mutex_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/mutex/impls/async_mutex.rs - mutex::impls::async_mutex::FullAsyncMutex (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5116c72b07ecebf40364c45a282cec585e8358668b540387fb68e8aba43a98b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5116c72b07ecebf40364c45a282cec585e8358668b540387fb68e8aba43a98b0", kill_on_drop: false }`
[INFO] [stdout] 5116c72b07ecebf40364c45a282cec585e8358668b540387fb68e8aba43a98b0