[INFO] fetching crate diffs 0.4.1...
[INFO] testing diffs-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate diffs 0.4.1 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate diffs 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diffs 0.4.1
[INFO] finished tweaking crates.io crate diffs 0.4.1
[INFO] tweaked toml for crates.io crate diffs 0.4.1 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d191b97e073ce22b01832fd1ece0c898524602a2d798ec9b79b7148b7db820e9
[INFO] running `Command { std: "docker" "start" "-a" "d191b97e073ce22b01832fd1ece0c898524602a2d798ec9b79b7148b7db820e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d191b97e073ce22b01832fd1ece0c898524602a2d798ec9b79b7148b7db820e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d191b97e073ce22b01832fd1ece0c898524602a2d798ec9b79b7148b7db820e9", kill_on_drop: false }`
[INFO] [stdout] d191b97e073ce22b01832fd1ece0c898524602a2d798ec9b79b7148b7db820e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5721a60106389e032397b918e95a33c4f7be53ac4eb425b69f349deb39580fe
[INFO] running `Command { std: "docker" "start" "-a" "f5721a60106389e032397b918e95a33c4f7be53ac4eb425b69f349deb39580fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling diffs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "f5721a60106389e032397b918e95a33c4f7be53ac4eb425b69f349deb39580fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5721a60106389e032397b918e95a33c4f7be53ac4eb425b69f349deb39580fe", kill_on_drop: false }`
[INFO] [stdout] f5721a60106389e032397b918e95a33c4f7be53ac4eb425b69f349deb39580fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e99f1f5a6ce91a3b232c6d3381eae1ee95e840e2fa3b920ecccbbcedaa58dfdb
[INFO] running `Command { std: "docker" "start" "-a" "e99f1f5a6ce91a3b232c6d3381eae1ee95e840e2fa3b920ecccbbcedaa58dfdb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling diffs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "e99f1f5a6ce91a3b232c6d3381eae1ee95e840e2fa3b920ecccbbcedaa58dfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99f1f5a6ce91a3b232c6d3381eae1ee95e840e2fa3b920ecccbbcedaa58dfdb", kill_on_drop: false }`
[INFO] [stdout] e99f1f5a6ce91a3b232c6d3381eae1ee95e840e2fa3b920ecccbbcedaa58dfdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62876d7055ee129e3f93aa25a52f1a79eb9cebcabadc82867e8d6bf4b25f46fd
[INFO] running `Command { std: "docker" "start" "-a" "62876d7055ee129e3f93aa25a52f1a79eb9cebcabadc82867e8d6bf4b25f46fd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diffs-1461b720afb1f298)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test myers::test_modulo ... ok
[INFO] [stdout] test replace::myers ... ok
[INFO] [stdout] test patience::patience ... ok
[INFO] [stdout] test test::test_contiguous ... ok
[INFO] [stdout] test test::test_replace ... ok
[INFO] [stdout] test test::test_pat ... ok
[INFO] [stdout] test test::test_diff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diffs
[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" "62876d7055ee129e3f93aa25a52f1a79eb9cebcabadc82867e8d6bf4b25f46fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62876d7055ee129e3f93aa25a52f1a79eb9cebcabadc82867e8d6bf4b25f46fd", kill_on_drop: false }`
[INFO] [stdout] 62876d7055ee129e3f93aa25a52f1a79eb9cebcabadc82867e8d6bf4b25f46fd