[INFO] fetching crate imageoptim 0.0.0...
[INFO] testing imageoptim-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate imageoptim 0.0.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate imageoptim 0.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imageoptim 0.0.0
[INFO] finished tweaking crates.io crate imageoptim 0.0.0
[INFO] tweaked toml for crates.io crate imageoptim 0.0.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5158ebf2671b4f7ad432dfa9b177a8787f12bc5dd2f5ad95c7f0987e9b58db34
[INFO] running `Command { std: "docker" "start" "-a" "5158ebf2671b4f7ad432dfa9b177a8787f12bc5dd2f5ad95c7f0987e9b58db34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5158ebf2671b4f7ad432dfa9b177a8787f12bc5dd2f5ad95c7f0987e9b58db34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5158ebf2671b4f7ad432dfa9b177a8787f12bc5dd2f5ad95c7f0987e9b58db34", kill_on_drop: false }`
[INFO] [stdout] 5158ebf2671b4f7ad432dfa9b177a8787f12bc5dd2f5ad95c7f0987e9b58db34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa5a288f9a1d9e9115b04470aaec0e72cedbc53df0dfcd8bfcd3c0dbbe18dff1
[INFO] running `Command { std: "docker" "start" "-a" "fa5a288f9a1d9e9115b04470aaec0e72cedbc53df0dfcd8bfcd3c0dbbe18dff1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling imageoptim v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "fa5a288f9a1d9e9115b04470aaec0e72cedbc53df0dfcd8bfcd3c0dbbe18dff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5a288f9a1d9e9115b04470aaec0e72cedbc53df0dfcd8bfcd3c0dbbe18dff1", kill_on_drop: false }`
[INFO] [stdout] fa5a288f9a1d9e9115b04470aaec0e72cedbc53df0dfcd8bfcd3c0dbbe18dff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bcf6c0ac56eef17e52ae9a6f5ce8a40a85f57371bd40c32fcd8145b3d903129
[INFO] running `Command { std: "docker" "start" "-a" "4bcf6c0ac56eef17e52ae9a6f5ce8a40a85f57371bd40c32fcd8145b3d903129", kill_on_drop: false }`
[INFO] [stderr]    Compiling imageoptim v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "4bcf6c0ac56eef17e52ae9a6f5ce8a40a85f57371bd40c32fcd8145b3d903129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bcf6c0ac56eef17e52ae9a6f5ce8a40a85f57371bd40c32fcd8145b3d903129", kill_on_drop: false }`
[INFO] [stdout] 4bcf6c0ac56eef17e52ae9a6f5ce8a40a85f57371bd40c32fcd8145b3d903129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dd3541fa9b3f54a6fa538a520c4b4a05d9c57d16d27330baff29f341ef6e38d
[INFO] running `Command { std: "docker" "start" "-a" "3dd3541fa9b3f54a6fa538a520c4b4a05d9c57d16d27330baff29f341ef6e38d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imageoptim-7a0ee49edaeed53c)
[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 imageoptim
[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" "3dd3541fa9b3f54a6fa538a520c4b4a05d9c57d16d27330baff29f341ef6e38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd3541fa9b3f54a6fa538a520c4b4a05d9c57d16d27330baff29f341ef6e38d", kill_on_drop: false }`
[INFO] [stdout] 3dd3541fa9b3f54a6fa538a520c4b4a05d9c57d16d27330baff29f341ef6e38d