[INFO] fetching crate concurrent-buffer 0.1.0...
[INFO] testing concurrent-buffer-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate concurrent-buffer 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate concurrent-buffer 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concurrent-buffer 0.1.0
[INFO] finished tweaking crates.io crate concurrent-buffer 0.1.0
[INFO] tweaked toml for crates.io crate concurrent-buffer 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b282aa2fe9d2721959d8800094e905a60c4d1ecfbfd6c07f8a651ff9a3846c2
[INFO] running `Command { std: "docker" "start" "-a" "3b282aa2fe9d2721959d8800094e905a60c4d1ecfbfd6c07f8a651ff9a3846c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b282aa2fe9d2721959d8800094e905a60c4d1ecfbfd6c07f8a651ff9a3846c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b282aa2fe9d2721959d8800094e905a60c4d1ecfbfd6c07f8a651ff9a3846c2", kill_on_drop: false }`
[INFO] [stdout] 3b282aa2fe9d2721959d8800094e905a60c4d1ecfbfd6c07f8a651ff9a3846c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a40851af40780949f4abc82e3532c8493871d855878998351117b70433ba3c21
[INFO] running `Command { std: "docker" "start" "-a" "a40851af40780949f4abc82e3532c8493871d855878998351117b70433ba3c21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling concurrent-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "a40851af40780949f4abc82e3532c8493871d855878998351117b70433ba3c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40851af40780949f4abc82e3532c8493871d855878998351117b70433ba3c21", kill_on_drop: false }`
[INFO] [stdout] a40851af40780949f4abc82e3532c8493871d855878998351117b70433ba3c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0180da2efa3264006a3e896ab7443d0cfa3d27822a41b0d0f61a1de5eca51c8
[INFO] running `Command { std: "docker" "start" "-a" "b0180da2efa3264006a3e896ab7443d0cfa3d27822a41b0d0f61a1de5eca51c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "b0180da2efa3264006a3e896ab7443d0cfa3d27822a41b0d0f61a1de5eca51c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0180da2efa3264006a3e896ab7443d0cfa3d27822a41b0d0f61a1de5eca51c8", kill_on_drop: false }`
[INFO] [stdout] b0180da2efa3264006a3e896ab7443d0cfa3d27822a41b0d0f61a1de5eca51c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62669f733f01a087fd66093a6b8d7fc4a78beda9a84e91354dc3b4beeca4c210
[INFO] running `Command { std: "docker" "start" "-a" "62669f733f01a087fd66093a6b8d7fc4a78beda9a84e91354dc3b4beeca4c210", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concurrent_buffer-a511b260fdebc647)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests concurrent-buffer
[INFO] [stdout] test tests::it_works ... 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] [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" "62669f733f01a087fd66093a6b8d7fc4a78beda9a84e91354dc3b4beeca4c210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62669f733f01a087fd66093a6b8d7fc4a78beda9a84e91354dc3b4beeca4c210", kill_on_drop: false }`
[INFO] [stdout] 62669f733f01a087fd66093a6b8d7fc4a78beda9a84e91354dc3b4beeca4c210
