[INFO] fetching crate shutdown_hooks 0.1.0...
[INFO] testing shutdown_hooks-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shutdown_hooks 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate shutdown_hooks 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 shutdown_hooks 0.1.0
[INFO] finished tweaking crates.io crate shutdown_hooks 0.1.0
[INFO] tweaked toml for crates.io crate shutdown_hooks 0.1.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e996896e3a52d31ec857b76b32f7c438b055de918c794fe24ce8c0ab55c9d37d
[INFO] running `Command { std: "docker" "start" "-a" "e996896e3a52d31ec857b76b32f7c438b055de918c794fe24ce8c0ab55c9d37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e996896e3a52d31ec857b76b32f7c438b055de918c794fe24ce8c0ab55c9d37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e996896e3a52d31ec857b76b32f7c438b055de918c794fe24ce8c0ab55c9d37d", kill_on_drop: false }`
[INFO] [stdout] e996896e3a52d31ec857b76b32f7c438b055de918c794fe24ce8c0ab55c9d37d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a8ce9a0dfeebf15d61c464cde5abab40896e2e67db435157384b7cfefe4a0a13
[INFO] running `Command { std: "docker" "start" "-a" "a8ce9a0dfeebf15d61c464cde5abab40896e2e67db435157384b7cfefe4a0a13", kill_on_drop: false }`
[INFO] [stderr]    Compiling shutdown_hooks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "a8ce9a0dfeebf15d61c464cde5abab40896e2e67db435157384b7cfefe4a0a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ce9a0dfeebf15d61c464cde5abab40896e2e67db435157384b7cfefe4a0a13", kill_on_drop: false }`
[INFO] [stdout] a8ce9a0dfeebf15d61c464cde5abab40896e2e67db435157384b7cfefe4a0a13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f5390807e4d0bb2362c6ee60d9e0be38f9d4033e6edb487b296a88cdf0459f1f
[INFO] running `Command { std: "docker" "start" "-a" "f5390807e4d0bb2362c6ee60d9e0be38f9d4033e6edb487b296a88cdf0459f1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling shutdown_hooks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "f5390807e4d0bb2362c6ee60d9e0be38f9d4033e6edb487b296a88cdf0459f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5390807e4d0bb2362c6ee60d9e0be38f9d4033e6edb487b296a88cdf0459f1f", kill_on_drop: false }`
[INFO] [stdout] f5390807e4d0bb2362c6ee60d9e0be38f9d4033e6edb487b296a88cdf0459f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d6064ad05085b25f66c74bb37ab77264a33943aa47fbbca8536590ecce497649
[INFO] running `Command { std: "docker" "start" "-a" "d6064ad05085b25f66c74bb37ab77264a33943aa47fbbca8536590ecce497649", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_add_shutdown_hook_should_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shutdown_hooks-2b5a0c96223b8806)
[INFO] [stderr]    Doc-tests shutdown_hooks
[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] running `Command { std: "docker" "inspect" "d6064ad05085b25f66c74bb37ab77264a33943aa47fbbca8536590ecce497649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6064ad05085b25f66c74bb37ab77264a33943aa47fbbca8536590ecce497649", kill_on_drop: false }`
[INFO] [stdout] d6064ad05085b25f66c74bb37ab77264a33943aa47fbbca8536590ecce497649