[INFO] fetching crate blocking 1.0.2...
[INFO] testing blocking-1.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate blocking 1.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate blocking 1.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blocking 1.0.2
[INFO] finished tweaking crates.io crate blocking 1.0.2
[INFO] tweaked toml for crates.io crate blocking 1.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate blocking 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b04995f60f51e28a7c0e1bad97e6a615dbbda0d115d4f147024f5eb96586c33
[INFO] running `Command { std: "docker" "start" "-a" "0b04995f60f51e28a7c0e1bad97e6a615dbbda0d115d4f147024f5eb96586c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b04995f60f51e28a7c0e1bad97e6a615dbbda0d115d4f147024f5eb96586c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b04995f60f51e28a7c0e1bad97e6a615dbbda0d115d4f147024f5eb96586c33", kill_on_drop: false }`
[INFO] [stdout] 0b04995f60f51e28a7c0e1bad97e6a615dbbda0d115d4f147024f5eb96586c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47c3d4f889b05a49fe2663dd89135da4f3363a684baf4774c4cecc08505d0aff
[INFO] running `Command { std: "docker" "start" "-a" "47c3d4f889b05a49fe2663dd89135da4f3363a684baf4774c4cecc08505d0aff", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling async-channel v1.4.0
[INFO] [stderr]    Compiling futures-lite v1.11.0
[INFO] [stderr]    Compiling blocking v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "47c3d4f889b05a49fe2663dd89135da4f3363a684baf4774c4cecc08505d0aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c3d4f889b05a49fe2663dd89135da4f3363a684baf4774c4cecc08505d0aff", kill_on_drop: false }`
[INFO] [stdout] 47c3d4f889b05a49fe2663dd89135da4f3363a684baf4774c4cecc08505d0aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c555675fbd8a0e260d5a4027580f549ab550724549749d7568adae532acac07c
[INFO] running `Command { std: "docker" "start" "-a" "c555675fbd8a0e260d5a4027580f549ab550724549749d7568adae532acac07c", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocking v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "c555675fbd8a0e260d5a4027580f549ab550724549749d7568adae532acac07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c555675fbd8a0e260d5a4027580f549ab550724549749d7568adae532acac07c", kill_on_drop: false }`
[INFO] [stdout] c555675fbd8a0e260d5a4027580f549ab550724549749d7568adae532acac07c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8298695d398b1d51392553d29b7eabdd624ad23a69def28d2990d33f3bc185a8
[INFO] running `Command { std: "docker" "start" "-a" "8298695d398b1d51392553d29b7eabdd624ad23a69def28d2990d33f3bc185a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blocking-2f0b1a8875b69175)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unblock.rs (/opt/rustwide/target/debug/deps/unblock-059a51537c3f6d82)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test seek ... ok
[INFO] [stdout] test chan ... ok
[INFO] [stdout] test sleep ... ok
[INFO] [stdout] test write ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.73s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blocking
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 66) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_capacity (line 342) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 51) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::get_mut (line 361) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::into_inner (line 445) - compile ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 232) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 35) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_mut (line 393) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::new (line 316) - compile ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 221) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 23) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock (line 296) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8298695d398b1d51392553d29b7eabdd624ad23a69def28d2990d33f3bc185a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8298695d398b1d51392553d29b7eabdd624ad23a69def28d2990d33f3bc185a8", kill_on_drop: false }`
[INFO] [stdout] 8298695d398b1d51392553d29b7eabdd624ad23a69def28d2990d33f3bc185a8