[INFO] fetching crate cargo-gnaw 0.1.0...
[INFO] testing cargo-gnaw-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cargo-gnaw 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cargo-gnaw 0.1.0 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 cargo-gnaw 0.1.0
[INFO] finished tweaking crates.io crate cargo-gnaw 0.1.0
[INFO] tweaked toml for crates.io crate cargo-gnaw 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate cargo-gnaw 0.1.0 already has a lockfile, it will not be regenerated
[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-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 417a4f21b9ebd54a84faef8fde5de6ce0c230a3953a11553b3aec78b0e292bb3
[INFO] running `Command { std: "docker" "start" "-a" "417a4f21b9ebd54a84faef8fde5de6ce0c230a3953a11553b3aec78b0e292bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "417a4f21b9ebd54a84faef8fde5de6ce0c230a3953a11553b3aec78b0e292bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417a4f21b9ebd54a84faef8fde5de6ce0c230a3953a11553b3aec78b0e292bb3", kill_on_drop: false }`
[INFO] [stdout] 417a4f21b9ebd54a84faef8fde5de6ce0c230a3953a11553b3aec78b0e292bb3
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b66368a8bd2ecba9f0b6a525fb6c0591a82ec82a5f896a298d3506cdd5986acf
[INFO] running `Command { std: "docker" "start" "-a" "b66368a8bd2ecba9f0b6a525fb6c0591a82ec82a5f896a298d3506cdd5986acf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-gnaw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "b66368a8bd2ecba9f0b6a525fb6c0591a82ec82a5f896a298d3506cdd5986acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66368a8bd2ecba9f0b6a525fb6c0591a82ec82a5f896a298d3506cdd5986acf", kill_on_drop: false }`
[INFO] [stdout] b66368a8bd2ecba9f0b6a525fb6c0591a82ec82a5f896a298d3506cdd5986acf
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6159c393a5185c918089f74f16c9b40ebaacdc86e1964eb29a979952750bc87a
[INFO] running `Command { std: "docker" "start" "-a" "6159c393a5185c918089f74f16c9b40ebaacdc86e1964eb29a979952750bc87a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-gnaw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_gnaw-949b8cacdb2b5d7e)
[INFO] running `Command { std: "docker" "inspect" "6159c393a5185c918089f74f16c9b40ebaacdc86e1964eb29a979952750bc87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6159c393a5185c918089f74f16c9b40ebaacdc86e1964eb29a979952750bc87a", kill_on_drop: false }`
[INFO] [stdout] 6159c393a5185c918089f74f16c9b40ebaacdc86e1964eb29a979952750bc87a
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c9ae6594c02e4790069b0bc8b5c9b28d0dfdc56ff9aa13f86ef63af5f0094a8
[INFO] running `Command { std: "docker" "start" "-a" "8c9ae6594c02e4790069b0bc8b5c9b28d0dfdc56ff9aa13f86ef63af5f0094a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_gnaw-949b8cacdb2b5d7e)
[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" "8c9ae6594c02e4790069b0bc8b5c9b28d0dfdc56ff9aa13f86ef63af5f0094a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9ae6594c02e4790069b0bc8b5c9b28d0dfdc56ff9aa13f86ef63af5f0094a8", kill_on_drop: false }`
[INFO] [stdout] 8c9ae6594c02e4790069b0bc8b5c9b28d0dfdc56ff9aa13f86ef63af5f0094a8