[INFO] fetching crate staart 0.5.0...
[INFO] testing staart-0.5.0 against 1.60.0 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 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 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" "+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-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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec0c7e818266bb3b8247a666058dc1a848b72623842fd8352ecf543b40de4c79
[INFO] running `Command { std: "docker" "start" "-a" "ec0c7e818266bb3b8247a666058dc1a848b72623842fd8352ecf543b40de4c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec0c7e818266bb3b8247a666058dc1a848b72623842fd8352ecf543b40de4c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0c7e818266bb3b8247a666058dc1a848b72623842fd8352ecf543b40de4c79", kill_on_drop: false }`
[INFO] [stdout] ec0c7e818266bb3b8247a666058dc1a848b72623842fd8352ecf543b40de4c79
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65cecfcbb33c15cc65ae756deb51ec9ab8924c27412b847de60899b69bdc9fe
[INFO] running `Command { std: "docker" "start" "-a" "d65cecfcbb33c15cc65ae756deb51ec9ab8924c27412b847de60899b69bdc9fe", 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 1.57s
[INFO] running `Command { std: "docker" "inspect" "d65cecfcbb33c15cc65ae756deb51ec9ab8924c27412b847de60899b69bdc9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65cecfcbb33c15cc65ae756deb51ec9ab8924c27412b847de60899b69bdc9fe", kill_on_drop: false }`
[INFO] [stdout] d65cecfcbb33c15cc65ae756deb51ec9ab8924c27412b847de60899b69bdc9fe
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc824d0a8e99bc550f51827c81612a3206ceea4057fb47f6f6f902b6f88ce995
[INFO] running `Command { std: "docker" "start" "-a" "cc824d0a8e99bc550f51827c81612a3206ceea4057fb47f6f6f902b6f88ce995", 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 4.87s
[INFO] running `Command { std: "docker" "inspect" "cc824d0a8e99bc550f51827c81612a3206ceea4057fb47f6f6f902b6f88ce995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc824d0a8e99bc550f51827c81612a3206ceea4057fb47f6f6f902b6f88ce995", kill_on_drop: false }`
[INFO] [stdout] cc824d0a8e99bc550f51827c81612a3206ceea4057fb47f6f6f902b6f88ce995
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87a1ed3f34fb16f2a9587865aab4847df85275db322a47cafdf0e52704995e7f
[INFO] running `Command { std: "docker" "start" "-a" "87a1ed3f34fb16f2a9587865aab4847df85275db322a47cafdf0e52704995e7f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/staart-ee13d561d097c826)
[INFO] [stdout] test tests::tailed_file ... ok
[INFO] [stdout] test tests::test_check_rotate ... ok
[INFO] [stdout] test tests::test_check_truncate ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/staart-633ab5352e0ef6be)
[INFO] [stdout] test tests::test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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 staart
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 16) - compile ... ok
[INFO] [stdout] test src/lib.rs - TailedFile<T>::new (line 58) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87a1ed3f34fb16f2a9587865aab4847df85275db322a47cafdf0e52704995e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a1ed3f34fb16f2a9587865aab4847df85275db322a47cafdf0e52704995e7f", kill_on_drop: false }`
[INFO] [stdout] 87a1ed3f34fb16f2a9587865aab4847df85275db322a47cafdf0e52704995e7f