[INFO] fetching crate rev_lines 0.2.1...
[INFO] testing rev_lines-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rev_lines 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rev_lines 0.2.1 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 rev_lines 0.2.1
[INFO] finished tweaking crates.io crate rev_lines 0.2.1
[INFO] tweaked toml for crates.io crate rev_lines 0.2.1 written to /workspace/builds/worker-3/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fb1912affb8007683e2f16580d515ff51021df1a0a457ce9cd3c1a0644347c09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb1912affb8007683e2f16580d515ff51021df1a0a457ce9cd3c1a0644347c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb1912affb8007683e2f16580d515ff51021df1a0a457ce9cd3c1a0644347c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1912affb8007683e2f16580d515ff51021df1a0a457ce9cd3c1a0644347c09", kill_on_drop: false }`
[INFO] [stdout] fb1912affb8007683e2f16580d515ff51021df1a0a457ce9cd3c1a0644347c09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5359eac96835a9ab080b8855a21bdd17c77aab27be571b2cf49e77e920ae125b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5359eac96835a9ab080b8855a21bdd17c77aab27be571b2cf49e77e920ae125b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rev_lines v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "5359eac96835a9ab080b8855a21bdd17c77aab27be571b2cf49e77e920ae125b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5359eac96835a9ab080b8855a21bdd17c77aab27be571b2cf49e77e920ae125b", kill_on_drop: false }`
[INFO] [stdout] 5359eac96835a9ab080b8855a21bdd17c77aab27be571b2cf49e77e920ae125b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c31c75989a79e3c40f34a529c13a74b3778d5f77377a66b191c33f4bd28b64be
[INFO] running `Command { std: "docker" "start" "-a" "c31c75989a79e3c40f34a529c13a74b3778d5f77377a66b191c33f4bd28b64be", kill_on_drop: false }`
[INFO] [stderr]    Compiling rev_lines v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "c31c75989a79e3c40f34a529c13a74b3778d5f77377a66b191c33f4bd28b64be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31c75989a79e3c40f34a529c13a74b3778d5f77377a66b191c33f4bd28b64be", kill_on_drop: false }`
[INFO] [stdout] c31c75989a79e3c40f34a529c13a74b3778d5f77377a66b191c33f4bd28b64be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6ba47dbc83e04c936c7b8e02b3b6400b273bddc96d1dfaced744b3ab95db6bb6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ba47dbc83e04c936c7b8e02b3b6400b273bddc96d1dfaced744b3ab95db6bb6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rev_lines-200b3d5b22df552d)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::it_handles_empty_files ... ok
[INFO] [stdout] test tests::it_handles_file_with_multi_lines_and_with_capacity ... ok
[INFO] [stdout] test tests::it_handles_file_with_blank_lines ... ok
[INFO] [stdout] test tests::it_handles_file_with_multi_lines ... ok
[INFO] [stderr]    Doc-tests rev_lines
[INFO] [stdout] test tests::it_handles_file_with_one_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ba47dbc83e04c936c7b8e02b3b6400b273bddc96d1dfaced744b3ab95db6bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba47dbc83e04c936c7b8e02b3b6400b273bddc96d1dfaced744b3ab95db6bb6", kill_on_drop: false }`
[INFO] [stdout] 6ba47dbc83e04c936c7b8e02b3b6400b273bddc96d1dfaced744b3ab95db6bb6