[INFO] fetching crate blunders 0.1.0...
[INFO] testing blunders-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate blunders 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate blunders 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 blunders 0.1.0
[INFO] finished tweaking crates.io crate blunders 0.1.0
[INFO] tweaked toml for crates.io crate blunders 0.1.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate blunders 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 8ed9d57e05be6b6b97a9b02833fed35997f0ec47c13d838f9141867ffb5a48c1
[INFO] running `Command { std: "docker" "start" "-a" "8ed9d57e05be6b6b97a9b02833fed35997f0ec47c13d838f9141867ffb5a48c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ed9d57e05be6b6b97a9b02833fed35997f0ec47c13d838f9141867ffb5a48c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed9d57e05be6b6b97a9b02833fed35997f0ec47c13d838f9141867ffb5a48c1", kill_on_drop: false }`
[INFO] [stdout] 8ed9d57e05be6b6b97a9b02833fed35997f0ec47c13d838f9141867ffb5a48c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] b5ba3dbbfc3a707c0e2dc8d633dd4b0602a705f2135784c301d57bc1bfd38fd5
[INFO] running `Command { std: "docker" "start" "-a" "b5ba3dbbfc3a707c0e2dc8d633dd4b0602a705f2135784c301d57bc1bfd38fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling blunders-engine v0.1.0
[INFO] [stderr]    Compiling blunders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "b5ba3dbbfc3a707c0e2dc8d633dd4b0602a705f2135784c301d57bc1bfd38fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ba3dbbfc3a707c0e2dc8d633dd4b0602a705f2135784c301d57bc1bfd38fd5", kill_on_drop: false }`
[INFO] [stdout] b5ba3dbbfc3a707c0e2dc8d633dd4b0602a705f2135784c301d57bc1bfd38fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 5d445e1a4b3425b90ab8d648239b85cd795d78341f08a1c0dc5cb34c36a2dae1
[INFO] running `Command { std: "docker" "start" "-a" "5d445e1a4b3425b90ab8d648239b85cd795d78341f08a1c0dc5cb34c36a2dae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling blunders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "5d445e1a4b3425b90ab8d648239b85cd795d78341f08a1c0dc5cb34c36a2dae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d445e1a4b3425b90ab8d648239b85cd795d78341f08a1c0dc5cb34c36a2dae1", kill_on_drop: false }`
[INFO] [stdout] 5d445e1a4b3425b90ab8d648239b85cd795d78341f08a1c0dc5cb34c36a2dae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] f0ab9f7c7f64d08806f17701cce73be6909ea24ba0627c4d10b7100a5783eadd
[INFO] running `Command { std: "docker" "start" "-a" "f0ab9f7c7f64d08806f17701cce73be6909ea24ba0627c4d10b7100a5783eadd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blunders-26c792f0d2e44c1f)
[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" "f0ab9f7c7f64d08806f17701cce73be6909ea24ba0627c4d10b7100a5783eadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ab9f7c7f64d08806f17701cce73be6909ea24ba0627c4d10b7100a5783eadd", kill_on_drop: false }`
[INFO] [stdout] f0ab9f7c7f64d08806f17701cce73be6909ea24ba0627c4d10b7100a5783eadd