[INFO] fetching crate layer-system 0.3.1...
[INFO] testing layer-system-0.3.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate layer-system 0.3.1 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate layer-system 0.3.1 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 layer-system 0.3.1
[INFO] finished tweaking crates.io crate layer-system 0.3.1
[INFO] tweaked toml for crates.io crate layer-system 0.3.1 written to /workspace/builds/worker-105/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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] cc33e34413b3f080377a22925922382083ea997f0d49f6ae531aa143f15445e9
[INFO] running `Command { std: "docker" "start" "-a" "cc33e34413b3f080377a22925922382083ea997f0d49f6ae531aa143f15445e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc33e34413b3f080377a22925922382083ea997f0d49f6ae531aa143f15445e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc33e34413b3f080377a22925922382083ea997f0d49f6ae531aa143f15445e9", kill_on_drop: false }`
[INFO] [stdout] cc33e34413b3f080377a22925922382083ea997f0d49f6ae531aa143f15445e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 92d86291d2b6e7981d592c3ecd976213a84c43cfe02f5bd4d27a993fa109f928
[INFO] running `Command { std: "docker" "start" "-a" "92d86291d2b6e7981d592c3ecd976213a84c43cfe02f5bd4d27a993fa109f928", kill_on_drop: false }`
[INFO] [stderr]    Compiling layer-system v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "92d86291d2b6e7981d592c3ecd976213a84c43cfe02f5bd4d27a993fa109f928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d86291d2b6e7981d592c3ecd976213a84c43cfe02f5bd4d27a993fa109f928", kill_on_drop: false }`
[INFO] [stdout] 92d86291d2b6e7981d592c3ecd976213a84c43cfe02f5bd4d27a993fa109f928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 74572a2339bc7d623d028c5e9284df6cd534ebe06088c2923ead5ba2ab22edc4
[INFO] running `Command { std: "docker" "start" "-a" "74572a2339bc7d623d028c5e9284df6cd534ebe06088c2923ead5ba2ab22edc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling layer-system v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "74572a2339bc7d623d028c5e9284df6cd534ebe06088c2923ead5ba2ab22edc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74572a2339bc7d623d028c5e9284df6cd534ebe06088c2923ead5ba2ab22edc4", kill_on_drop: false }`
[INFO] [stdout] 74572a2339bc7d623d028c5e9284df6cd534ebe06088c2923ead5ba2ab22edc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 1dc586772b3c7acabdc1c59a136f805f6fe392ed9b94e6cf843ba95c53b36b4f
[INFO] running `Command { std: "docker" "start" "-a" "1dc586772b3c7acabdc1c59a136f805f6fe392ed9b94e6cf843ba95c53b36b4f", 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 (/opt/rustwide/target/debug/deps/layer_system-e8567ea51dd0b723)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/example.rs (/opt/rustwide/target/debug/deps/example-04fc204a9e6029df)
[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 layer-system
[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" "1dc586772b3c7acabdc1c59a136f805f6fe392ed9b94e6cf843ba95c53b36b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc586772b3c7acabdc1c59a136f805f6fe392ed9b94e6cf843ba95c53b36b4f", kill_on_drop: false }`
[INFO] [stdout] 1dc586772b3c7acabdc1c59a136f805f6fe392ed9b94e6cf843ba95c53b36b4f