[INFO] fetching crate nuko 0.1.0...
[INFO] testing nuko-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nuko 0.1.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate nuko 0.1.0 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 nuko 0.1.0
[INFO] finished tweaking crates.io crate nuko 0.1.0
[INFO] tweaked toml for crates.io crate nuko 0.1.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate nuko 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b747ef1ad44084103192871c4c2b1f2e02bb07305008a3a02226fda01d10ba27
[INFO] running `Command { std: "docker" "start" "-a" "b747ef1ad44084103192871c4c2b1f2e02bb07305008a3a02226fda01d10ba27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b747ef1ad44084103192871c4c2b1f2e02bb07305008a3a02226fda01d10ba27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b747ef1ad44084103192871c4c2b1f2e02bb07305008a3a02226fda01d10ba27", kill_on_drop: false }`
[INFO] [stdout] b747ef1ad44084103192871c4c2b1f2e02bb07305008a3a02226fda01d10ba27
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26fcd2fd5bd4729077781dc12cdd63ab820e1c3856beddc23af2eaadf20337b8
[INFO] running `Command { std: "docker" "start" "-a" "26fcd2fd5bd4729077781dc12cdd63ab820e1c3856beddc23af2eaadf20337b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nuko v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "26fcd2fd5bd4729077781dc12cdd63ab820e1c3856beddc23af2eaadf20337b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fcd2fd5bd4729077781dc12cdd63ab820e1c3856beddc23af2eaadf20337b8", kill_on_drop: false }`
[INFO] [stdout] 26fcd2fd5bd4729077781dc12cdd63ab820e1c3856beddc23af2eaadf20337b8
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dbb75d4834bdfc3f2a1ef33e969489650b9e61f943064e471dda6aa470a5797
[INFO] running `Command { std: "docker" "start" "-a" "7dbb75d4834bdfc3f2a1ef33e969489650b9e61f943064e471dda6aa470a5797", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuko v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7dbb75d4834bdfc3f2a1ef33e969489650b9e61f943064e471dda6aa470a5797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbb75d4834bdfc3f2a1ef33e969489650b9e61f943064e471dda6aa470a5797", kill_on_drop: false }`
[INFO] [stdout] 7dbb75d4834bdfc3f2a1ef33e969489650b9e61f943064e471dda6aa470a5797
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6974d7ef8cea8dbe5da08795c583260c3a4e1a730694ca05d780cfedb5f21d68
[INFO] running `Command { std: "docker" "start" "-a" "6974d7ef8cea8dbe5da08795c583260c3a4e1a730694ca05d780cfedb5f21d68", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nuko-d12d51e78ed2101c)
[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" "6974d7ef8cea8dbe5da08795c583260c3a4e1a730694ca05d780cfedb5f21d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6974d7ef8cea8dbe5da08795c583260c3a4e1a730694ca05d780cfedb5f21d68", kill_on_drop: false }`
[INFO] [stdout] 6974d7ef8cea8dbe5da08795c583260c3a4e1a730694ca05d780cfedb5f21d68