[INFO] fetching crate kukan 0.1.2...
[INFO] testing kukan-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate kukan 0.1.2 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate kukan 0.1.2 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 kukan 0.1.2
[INFO] finished tweaking crates.io crate kukan 0.1.2
[INFO] tweaked toml for crates.io crate kukan 0.1.2 written to /workspace/builds/worker-30/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] [stderr]     Blocking waiting for file lock on package cache
[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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] b9a7c1c16b4c75f38c3d963b408e6b5c6bdf2f767ba4d424ffd03333273951f3
[INFO] running `Command { std: "docker" "start" "-a" "b9a7c1c16b4c75f38c3d963b408e6b5c6bdf2f767ba4d424ffd03333273951f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a7c1c16b4c75f38c3d963b408e6b5c6bdf2f767ba4d424ffd03333273951f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a7c1c16b4c75f38c3d963b408e6b5c6bdf2f767ba4d424ffd03333273951f3", kill_on_drop: false }`
[INFO] [stdout] b9a7c1c16b4c75f38c3d963b408e6b5c6bdf2f767ba4d424ffd03333273951f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] d55720502f151fd0d68443f8e23b6883c0f28cf199b9cc5b2645792c20d5838f
[INFO] running `Command { std: "docker" "start" "-a" "d55720502f151fd0d68443f8e23b6883c0f28cf199b9cc5b2645792c20d5838f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling kukan v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "d55720502f151fd0d68443f8e23b6883c0f28cf199b9cc5b2645792c20d5838f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55720502f151fd0d68443f8e23b6883c0f28cf199b9cc5b2645792c20d5838f", kill_on_drop: false }`
[INFO] [stdout] d55720502f151fd0d68443f8e23b6883c0f28cf199b9cc5b2645792c20d5838f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] c459b9ca4b064aa02fc6eae5a473718fa6299a24170a70976137c02522f0b896
[INFO] running `Command { std: "docker" "start" "-a" "c459b9ca4b064aa02fc6eae5a473718fa6299a24170a70976137c02522f0b896", kill_on_drop: false }`
[INFO] [stderr]    Compiling kukan v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "c459b9ca4b064aa02fc6eae5a473718fa6299a24170a70976137c02522f0b896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c459b9ca4b064aa02fc6eae5a473718fa6299a24170a70976137c02522f0b896", kill_on_drop: false }`
[INFO] [stdout] c459b9ca4b064aa02fc6eae5a473718fa6299a24170a70976137c02522f0b896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] b95e478cdc054ca4e5065c2ac062cf8250fa4b22ca511cb3ecaa080f1e24f31f
[INFO] running `Command { std: "docker" "start" "-a" "b95e478cdc054ca4e5065c2ac062cf8250fa4b22ca511cb3ecaa080f1e24f31f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kukan-f913cd38d146d81d)
[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 kukan
[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" "b95e478cdc054ca4e5065c2ac062cf8250fa4b22ca511cb3ecaa080f1e24f31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95e478cdc054ca4e5065c2ac062cf8250fa4b22ca511cb3ecaa080f1e24f31f", kill_on_drop: false }`
[INFO] [stdout] b95e478cdc054ca4e5065c2ac062cf8250fa4b22ca511cb3ecaa080f1e24f31f