[INFO] fetching crate kerno 0.0.0...
[INFO] testing kerno-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate kerno 0.0.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate kerno 0.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kerno 0.0.0
[INFO] finished tweaking crates.io crate kerno 0.0.0
[INFO] tweaked toml for crates.io crate kerno 0.0.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6503a704c0a44ebfd5942c698bc89e372e05d232e502756ed1658bf7c6b71eb
[INFO] running `Command { std: "docker" "start" "-a" "f6503a704c0a44ebfd5942c698bc89e372e05d232e502756ed1658bf7c6b71eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6503a704c0a44ebfd5942c698bc89e372e05d232e502756ed1658bf7c6b71eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6503a704c0a44ebfd5942c698bc89e372e05d232e502756ed1658bf7c6b71eb", kill_on_drop: false }`
[INFO] [stdout] f6503a704c0a44ebfd5942c698bc89e372e05d232e502756ed1658bf7c6b71eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2e00ebf704673c1ac51da4d1c8733fd89583c06e29377e40c5ddf07da35873
[INFO] running `Command { std: "docker" "start" "-a" "ed2e00ebf704673c1ac51da4d1c8733fd89583c06e29377e40c5ddf07da35873", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kerno v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "ed2e00ebf704673c1ac51da4d1c8733fd89583c06e29377e40c5ddf07da35873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2e00ebf704673c1ac51da4d1c8733fd89583c06e29377e40c5ddf07da35873", kill_on_drop: false }`
[INFO] [stdout] ed2e00ebf704673c1ac51da4d1c8733fd89583c06e29377e40c5ddf07da35873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943474ba600d1ef67c87b0cacadf9f3b7a4086b29f0f40ba59533763d81eae2c
[INFO] running `Command { std: "docker" "start" "-a" "943474ba600d1ef67c87b0cacadf9f3b7a4086b29f0f40ba59533763d81eae2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling kerno v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/kerno-6cbed9e54a0d1923)
[INFO] running `Command { std: "docker" "inspect" "943474ba600d1ef67c87b0cacadf9f3b7a4086b29f0f40ba59533763d81eae2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943474ba600d1ef67c87b0cacadf9f3b7a4086b29f0f40ba59533763d81eae2c", kill_on_drop: false }`
[INFO] [stdout] 943474ba600d1ef67c87b0cacadf9f3b7a4086b29f0f40ba59533763d81eae2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fef3c88c22ebff31636fba3d31630647eaa09c868fa4c3126073a9942e54ddd8
[INFO] running `Command { std: "docker" "start" "-a" "fef3c88c22ebff31636fba3d31630647eaa09c868fa4c3126073a9942e54ddd8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kerno-6cbed9e54a0d1923)
[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 kerno
[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" "fef3c88c22ebff31636fba3d31630647eaa09c868fa4c3126073a9942e54ddd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef3c88c22ebff31636fba3d31630647eaa09c868fa4c3126073a9942e54ddd8", kill_on_drop: false }`
[INFO] [stdout] fef3c88c22ebff31636fba3d31630647eaa09c868fa4c3126073a9942e54ddd8