[INFO] cloning repository https://github.com/dvc94ch/async-spawner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvc94ch/async-spawner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fasync-spawner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fasync-spawner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e69a1e96aefcf8dc7eb2def9d05f276e9cdb9258
[INFO] testing dvc94ch/async-spawner against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fasync-spawner" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvc94ch/async-spawner 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 git repo https://github.com/dvc94ch/async-spawner
[INFO] finished tweaking git repo https://github.com/dvc94ch/async-spawner
[INFO] tweaked toml for git repo https://github.com/dvc94ch/async-spawner written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/dvc94ch/async-spawner already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-io v1.2.0
[INFO] [stderr]   Downloaded async-std v1.7.0
[INFO] [stderr]   Downloaded tokio v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 0e961e474ba2ef5e293983689080afa0757898407bf45076cfe7cd74d6514fa6
[INFO] running `Command { std: "docker" "start" "-a" "0e961e474ba2ef5e293983689080afa0757898407bf45076cfe7cd74d6514fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e961e474ba2ef5e293983689080afa0757898407bf45076cfe7cd74d6514fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e961e474ba2ef5e293983689080afa0757898407bf45076cfe7cd74d6514fa6", kill_on_drop: false }`
[INFO] [stdout] 0e961e474ba2ef5e293983689080afa0757898407bf45076cfe7cd74d6514fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] f85c92591c61b14708f3a55dd17da862366c0a803609275ced770aa6b1f8a72e
[INFO] running `Command { std: "docker" "start" "-a" "f85c92591c61b14708f3a55dd17da862366c0a803609275ced770aa6b1f8a72e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling async-io v1.2.0
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-std v1.7.0
[INFO] [stderr]    Compiling async-spawner v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "f85c92591c61b14708f3a55dd17da862366c0a803609275ced770aa6b1f8a72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85c92591c61b14708f3a55dd17da862366c0a803609275ced770aa6b1f8a72e", kill_on_drop: false }`
[INFO] [stdout] f85c92591c61b14708f3a55dd17da862366c0a803609275ced770aa6b1f8a72e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 5b2808ba9c6858c935133f7806946f9713520318f096549ebd9ff9fe1cca68a8
[INFO] running `Command { std: "docker" "start" "-a" "5b2808ba9c6858c935133f7806946f9713520318f096549ebd9ff9fe1cca68a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling async-spawner v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "5b2808ba9c6858c935133f7806946f9713520318f096549ebd9ff9fe1cca68a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2808ba9c6858c935133f7806946f9713520318f096549ebd9ff9fe1cca68a8", kill_on_drop: false }`
[INFO] [stdout] 5b2808ba9c6858c935133f7806946f9713520318f096549ebd9ff9fe1cca68a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 1c23be8ade70cb47439b0ba48d77d39107f4413073e7cc25386fb98c4949ac10
[INFO] running `Command { std: "docker" "start" "-a" "1c23be8ade70cb47439b0ba48d77d39107f4413073e7cc25386fb98c4949ac10", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_spawner-9be99ce3d4105f36)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-spawner
[INFO] [stdout] running 2 tests
[INFO] [stdout] test async_std::tests::test_async_std ... ignored
[INFO] [stdout] test tokio::tests::test_tokio ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c23be8ade70cb47439b0ba48d77d39107f4413073e7cc25386fb98c4949ac10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c23be8ade70cb47439b0ba48d77d39107f4413073e7cc25386fb98c4949ac10", kill_on_drop: false }`
[INFO] [stdout] 1c23be8ade70cb47439b0ba48d77d39107f4413073e7cc25386fb98c4949ac10