[INFO] fetching crate rscat 0.1.1...
[INFO] testing rscat-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rscat 0.1.1 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate rscat 0.1.1 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 rscat 0.1.1
[INFO] finished tweaking crates.io crate rscat 0.1.1
[INFO] tweaked toml for crates.io crate rscat 0.1.1 written to /workspace/builds/worker-73/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] [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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] c80b4c9fbe87d7c5af470d1b2dde4503668e0e281e123bcb38f03d71eb0fd650
[INFO] running `Command { std: "docker" "start" "-a" "c80b4c9fbe87d7c5af470d1b2dde4503668e0e281e123bcb38f03d71eb0fd650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c80b4c9fbe87d7c5af470d1b2dde4503668e0e281e123bcb38f03d71eb0fd650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80b4c9fbe87d7c5af470d1b2dde4503668e0e281e123bcb38f03d71eb0fd650", kill_on_drop: false }`
[INFO] [stdout] c80b4c9fbe87d7c5af470d1b2dde4503668e0e281e123bcb38f03d71eb0fd650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] 209d21e68dc3d27eb60e034366de773c44ebaf7c3af4c0a87a4c54262fd41aac
[INFO] running `Command { std: "docker" "start" "-a" "209d21e68dc3d27eb60e034366de773c44ebaf7c3af4c0a87a4c54262fd41aac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rscat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "209d21e68dc3d27eb60e034366de773c44ebaf7c3af4c0a87a4c54262fd41aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209d21e68dc3d27eb60e034366de773c44ebaf7c3af4c0a87a4c54262fd41aac", kill_on_drop: false }`
[INFO] [stdout] 209d21e68dc3d27eb60e034366de773c44ebaf7c3af4c0a87a4c54262fd41aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] f733bd9f3755eab31ab161f4637098158a88c6e6ac480659a0852e40db3ce739
[INFO] running `Command { std: "docker" "start" "-a" "f733bd9f3755eab31ab161f4637098158a88c6e6ac480659a0852e40db3ce739", kill_on_drop: false }`
[INFO] [stderr]    Compiling rscat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "f733bd9f3755eab31ab161f4637098158a88c6e6ac480659a0852e40db3ce739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f733bd9f3755eab31ab161f4637098158a88c6e6ac480659a0852e40db3ce739", kill_on_drop: false }`
[INFO] [stdout] f733bd9f3755eab31ab161f4637098158a88c6e6ac480659a0852e40db3ce739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] ca36d33d9df615b53903b31c23df6e2b0ba6217fc3f81973b46ab0d19ae7dd32
[INFO] running `Command { std: "docker" "start" "-a" "ca36d33d9df615b53903b31c23df6e2b0ba6217fc3f81973b46ab0d19ae7dd32", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rscat-7beaf3ca6c62a0f1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::read_and_compare ... 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] running `Command { std: "docker" "inspect" "ca36d33d9df615b53903b31c23df6e2b0ba6217fc3f81973b46ab0d19ae7dd32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca36d33d9df615b53903b31c23df6e2b0ba6217fc3f81973b46ab0d19ae7dd32", kill_on_drop: false }`
[INFO] [stdout] ca36d33d9df615b53903b31c23df6e2b0ba6217fc3f81973b46ab0d19ae7dd32