[INFO] fetching crate staart 0.5.0...
[INFO] testing staart-0.5.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate staart 0.5.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate staart 0.5.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate staart 0.5.0
[INFO] finished tweaking crates.io crate staart 0.5.0
[INFO] tweaked toml for crates.io crate staart 0.5.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate staart 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4561280ef59eb7ff5db788c2ae45aab0cfdc34a56edccf5a491ba745c682dc0c
[INFO] running `Command { std: "docker" "start" "-a" "4561280ef59eb7ff5db788c2ae45aab0cfdc34a56edccf5a491ba745c682dc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4561280ef59eb7ff5db788c2ae45aab0cfdc34a56edccf5a491ba745c682dc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4561280ef59eb7ff5db788c2ae45aab0cfdc34a56edccf5a491ba745c682dc0c", kill_on_drop: false }`
[INFO] [stdout] 4561280ef59eb7ff5db788c2ae45aab0cfdc34a56edccf5a491ba745c682dc0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c230a516e5d5d8a69d56ae5ccace2532c5b7244bb4576deeba7adac1d572b50d
[INFO] running `Command { std: "docker" "start" "-a" "c230a516e5d5d8a69d56ae5ccace2532c5b7244bb4576deeba7adac1d572b50d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling staart v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "c230a516e5d5d8a69d56ae5ccace2532c5b7244bb4576deeba7adac1d572b50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c230a516e5d5d8a69d56ae5ccace2532c5b7244bb4576deeba7adac1d572b50d", kill_on_drop: false }`
[INFO] [stdout] c230a516e5d5d8a69d56ae5ccace2532c5b7244bb4576deeba7adac1d572b50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad73745d5cf10764be39a2d696a529783cdbf7b86118ae7e9f96f6beeb948491
[INFO] running `Command { std: "docker" "start" "-a" "ad73745d5cf10764be39a2d696a529783cdbf7b86118ae7e9f96f6beeb948491", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling staart v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/staart-ab8c4889aacd4132)
[INFO] [stderr]   Executable unittests src/bin/staart.rs (/opt/rustwide/target/debug/deps/staart-261a9c4c897ec318)
[INFO] running `Command { std: "docker" "inspect" "ad73745d5cf10764be39a2d696a529783cdbf7b86118ae7e9f96f6beeb948491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad73745d5cf10764be39a2d696a529783cdbf7b86118ae7e9f96f6beeb948491", kill_on_drop: false }`
[INFO] [stdout] ad73745d5cf10764be39a2d696a529783cdbf7b86118ae7e9f96f6beeb948491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df3832e29c177bb59bcbb18a30835e0000a4fd5f41553e67a8c41cb4655de96f
[INFO] running `Command { std: "docker" "start" "-a" "df3832e29c177bb59bcbb18a30835e0000a4fd5f41553e67a8c41cb4655de96f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/staart-ab8c4889aacd4132)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_check_rotate ... ok
[INFO] [stdout] test tests::tailed_file ... ok
[INFO] [stdout] test tests::test_check_truncate ... ok
[INFO] [stdout] test tests::test_read ... ok
[INFO] [stderr]      Running unittests src/bin/staart.rs (/opt/rustwide/target/debug/deps/staart-261a9c4c897ec318)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests staart
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - TailedFile<T>::new (line 58) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 16) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df3832e29c177bb59bcbb18a30835e0000a4fd5f41553e67a8c41cb4655de96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3832e29c177bb59bcbb18a30835e0000a4fd5f41553e67a8c41cb4655de96f", kill_on_drop: false }`
[INFO] [stdout] df3832e29c177bb59bcbb18a30835e0000a4fd5f41553e67a8c41cb4655de96f