[INFO] fetching crate blocker 0.1.2...
[INFO] testing blocker-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate blocker 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate blocker 0.1.2 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 blocker 0.1.2
[INFO] finished tweaking crates.io crate blocker 0.1.2
[INFO] tweaked toml for crates.io crate blocker 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate blocker 0.1.2 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] 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] a39ef452410e8b4aa2b40743fe56fc313094e5086b9ae2e9d19990ba04479f9d
[INFO] running `Command { std: "docker" "start" "-a" "a39ef452410e8b4aa2b40743fe56fc313094e5086b9ae2e9d19990ba04479f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a39ef452410e8b4aa2b40743fe56fc313094e5086b9ae2e9d19990ba04479f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39ef452410e8b4aa2b40743fe56fc313094e5086b9ae2e9d19990ba04479f9d", kill_on_drop: false }`
[INFO] [stdout] a39ef452410e8b4aa2b40743fe56fc313094e5086b9ae2e9d19990ba04479f9d
[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] d6ee43e835220166e9ba03af6cd61f75bf820f08f516be7cededfbab0a939079
[INFO] running `Command { std: "docker" "start" "-a" "d6ee43e835220166e9ba03af6cd61f75bf820f08f516be7cededfbab0a939079", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling blocker v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `Command { std: "docker" "inspect" "d6ee43e835220166e9ba03af6cd61f75bf820f08f516be7cededfbab0a939079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ee43e835220166e9ba03af6cd61f75bf820f08f516be7cededfbab0a939079", kill_on_drop: false }`
[INFO] [stdout] d6ee43e835220166e9ba03af6cd61f75bf820f08f516be7cededfbab0a939079
[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] b02f4f2db27357a05945874cee5c4ad7b395c12ff7c13db4d30809229597c9f9
[INFO] running `Command { std: "docker" "start" "-a" "b02f4f2db27357a05945874cee5c4ad7b395c12ff7c13db4d30809229597c9f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocker v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "b02f4f2db27357a05945874cee5c4ad7b395c12ff7c13db4d30809229597c9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02f4f2db27357a05945874cee5c4ad7b395c12ff7c13db4d30809229597c9f9", kill_on_drop: false }`
[INFO] [stdout] b02f4f2db27357a05945874cee5c4ad7b395c12ff7c13db4d30809229597c9f9
[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] 64548d2be940d65016057bb8bde5bd1435d495a40d7be32b5ee8fc7e3eb53280
[INFO] running `Command { std: "docker" "start" "-a" "64548d2be940d65016057bb8bde5bd1435d495a40d7be32b5ee8fc7e3eb53280", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blocker-4568b0affaf397bd)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_block ... ok
[INFO] [stdout] test tests::test_rc_mutex ... ok
[INFO] [stdout] test tests::test_rc ... ok
[INFO] [stdout] test tests::test_block_trait ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blocker
[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" "64548d2be940d65016057bb8bde5bd1435d495a40d7be32b5ee8fc7e3eb53280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64548d2be940d65016057bb8bde5bd1435d495a40d7be32b5ee8fc7e3eb53280", kill_on_drop: false }`
[INFO] [stdout] 64548d2be940d65016057bb8bde5bd1435d495a40d7be32b5ee8fc7e3eb53280