[INFO] fetching crate wk_engine 0.1.0...
[INFO] testing wk_engine-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate wk_engine 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate wk_engine 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wk_engine 0.1.0
[INFO] finished tweaking crates.io crate wk_engine 0.1.0
[INFO] tweaked toml for crates.io crate wk_engine 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b23ddc8b2600aa8d2b33d2d5a1bf64f169ad6f058260c6cab5eb65b34d219b98
[INFO] running `Command { std: "docker" "start" "-a" "b23ddc8b2600aa8d2b33d2d5a1bf64f169ad6f058260c6cab5eb65b34d219b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b23ddc8b2600aa8d2b33d2d5a1bf64f169ad6f058260c6cab5eb65b34d219b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23ddc8b2600aa8d2b33d2d5a1bf64f169ad6f058260c6cab5eb65b34d219b98", kill_on_drop: false }`
[INFO] [stdout] b23ddc8b2600aa8d2b33d2d5a1bf64f169ad6f058260c6cab5eb65b34d219b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d309b81fec25a9317e960ac9a24968f0ea85741287f10daffdac7212b6e97504
[INFO] running `Command { std: "docker" "start" "-a" "d309b81fec25a9317e960ac9a24968f0ea85741287f10daffdac7212b6e97504", kill_on_drop: false }`
[INFO] [stderr]    Compiling wk_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "d309b81fec25a9317e960ac9a24968f0ea85741287f10daffdac7212b6e97504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d309b81fec25a9317e960ac9a24968f0ea85741287f10daffdac7212b6e97504", kill_on_drop: false }`
[INFO] [stdout] d309b81fec25a9317e960ac9a24968f0ea85741287f10daffdac7212b6e97504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b2547828d9eeef0a3ad155e210e3bfbff6b28c1ce7943e7ca87941b13f6d20e
[INFO] running `Command { std: "docker" "start" "-a" "8b2547828d9eeef0a3ad155e210e3bfbff6b28c1ce7943e7ca87941b13f6d20e", kill_on_drop: false }`
[INFO] [stderr]    Compiling wk_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "8b2547828d9eeef0a3ad155e210e3bfbff6b28c1ce7943e7ca87941b13f6d20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2547828d9eeef0a3ad155e210e3bfbff6b28c1ce7943e7ca87941b13f6d20e", kill_on_drop: false }`
[INFO] [stdout] 8b2547828d9eeef0a3ad155e210e3bfbff6b28c1ce7943e7ca87941b13f6d20e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2eaa1cda2acf55801853301350c2253ba6915bfd1200b2fed2f07b3760c6d3a5
[INFO] running `Command { std: "docker" "start" "-a" "2eaa1cda2acf55801853301350c2253ba6915bfd1200b2fed2f07b3760c6d3a5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wk_engine-584c29379a80c627)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests wk_engine
[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" "2eaa1cda2acf55801853301350c2253ba6915bfd1200b2fed2f07b3760c6d3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eaa1cda2acf55801853301350c2253ba6915bfd1200b2fed2f07b3760c6d3a5", kill_on_drop: false }`
[INFO] [stdout] 2eaa1cda2acf55801853301350c2253ba6915bfd1200b2fed2f07b3760c6d3a5