[INFO] fetching crate artk 0.1.0...
[INFO] testing artk-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate artk 0.1.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate artk 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate artk 0.1.0
[INFO] finished tweaking crates.io crate artk 0.1.0
[INFO] tweaked toml for crates.io crate artk 0.1.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cad0cd6f83173dbc8c0565183370c64c356b4829f770d0f255bf9d1882b79075
[INFO] running `Command { std: "docker" "start" "-a" "cad0cd6f83173dbc8c0565183370c64c356b4829f770d0f255bf9d1882b79075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cad0cd6f83173dbc8c0565183370c64c356b4829f770d0f255bf9d1882b79075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad0cd6f83173dbc8c0565183370c64c356b4829f770d0f255bf9d1882b79075", kill_on_drop: false }`
[INFO] [stdout] cad0cd6f83173dbc8c0565183370c64c356b4829f770d0f255bf9d1882b79075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cf06b23b90a0cd614d7840a53165395371349e63c0d56176f426dfc9993a269
[INFO] running `Command { std: "docker" "start" "-a" "3cf06b23b90a0cd614d7840a53165395371349e63c0d56176f426dfc9993a269", kill_on_drop: false }`
[INFO] [stderr]    Compiling artk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "3cf06b23b90a0cd614d7840a53165395371349e63c0d56176f426dfc9993a269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf06b23b90a0cd614d7840a53165395371349e63c0d56176f426dfc9993a269", kill_on_drop: false }`
[INFO] [stdout] 3cf06b23b90a0cd614d7840a53165395371349e63c0d56176f426dfc9993a269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7142160423c754505d587d77fbc8c862cefbb1310541fae7a89245e6e753fa0a
[INFO] running `Command { std: "docker" "start" "-a" "7142160423c754505d587d77fbc8c862cefbb1310541fae7a89245e6e753fa0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling artk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "7142160423c754505d587d77fbc8c862cefbb1310541fae7a89245e6e753fa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7142160423c754505d587d77fbc8c862cefbb1310541fae7a89245e6e753fa0a", kill_on_drop: false }`
[INFO] [stdout] 7142160423c754505d587d77fbc8c862cefbb1310541fae7a89245e6e753fa0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53594d532aae955fa95b9cb08ed897a2d86c75789d47f54ab42ae66b9bcc9dcb
[INFO] running `Command { std: "docker" "start" "-a" "53594d532aae955fa95b9cb08ed897a2d86c75789d47f54ab42ae66b9bcc9dcb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/artk-f1e7863885f244d0)
[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] [stderr]    Doc-tests artk
[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" "53594d532aae955fa95b9cb08ed897a2d86c75789d47f54ab42ae66b9bcc9dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53594d532aae955fa95b9cb08ed897a2d86c75789d47f54ab42ae66b9bcc9dcb", kill_on_drop: false }`
[INFO] [stdout] 53594d532aae955fa95b9cb08ed897a2d86c75789d47f54ab42ae66b9bcc9dcb