[INFO] fetching crate staart 0.3.0...
[INFO] testing staart-0.3.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate staart 0.3.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate staart 0.3.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate staart 0.3.0
[INFO] finished tweaking crates.io crate staart 0.3.0
[INFO] tweaked toml for crates.io crate staart 0.3.0 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate staart 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c121f8de0fac603301df47c366963b847dbb6c2848bf3c824b4277fbb699f3f7
[INFO] running `Command { std: "docker" "start" "-a" "c121f8de0fac603301df47c366963b847dbb6c2848bf3c824b4277fbb699f3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c121f8de0fac603301df47c366963b847dbb6c2848bf3c824b4277fbb699f3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c121f8de0fac603301df47c366963b847dbb6c2848bf3c824b4277fbb699f3f7", kill_on_drop: false }`
[INFO] [stdout] c121f8de0fac603301df47c366963b847dbb6c2848bf3c824b4277fbb699f3f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c48aa2fb77c7b376bdad62c31eeab6159d5c44f176fcf564d5aeca8405f5732
[INFO] running `Command { std: "docker" "start" "-a" "2c48aa2fb77c7b376bdad62c31eeab6159d5c44f176fcf564d5aeca8405f5732", kill_on_drop: false }`
[INFO] [stderr]    Compiling staart v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "2c48aa2fb77c7b376bdad62c31eeab6159d5c44f176fcf564d5aeca8405f5732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c48aa2fb77c7b376bdad62c31eeab6159d5c44f176fcf564d5aeca8405f5732", kill_on_drop: false }`
[INFO] [stdout] 2c48aa2fb77c7b376bdad62c31eeab6159d5c44f176fcf564d5aeca8405f5732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b5735925315284173e6b25853fbc38c11bf8b713cfd73004c71e48244debcc1
[INFO] running `Command { std: "docker" "start" "-a" "2b5735925315284173e6b25853fbc38c11bf8b713cfd73004c71e48244debcc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[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 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.29s
[INFO] running `Command { std: "docker" "inspect" "2b5735925315284173e6b25853fbc38c11bf8b713cfd73004c71e48244debcc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5735925315284173e6b25853fbc38c11bf8b713cfd73004c71e48244debcc1", kill_on_drop: false }`
[INFO] [stdout] 2b5735925315284173e6b25853fbc38c11bf8b713cfd73004c71e48244debcc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b653fde402898faa4ca939bdb9ee17c48ffbba66acbe614571d2aaa46018912d
[INFO] running `Command { std: "docker" "start" "-a" "b653fde402898faa4ca939bdb9ee17c48ffbba66acbe614571d2aaa46018912d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/staart-802c8293e22c88ce)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::tailed_file ... ok
[INFO] [stdout] test tests::test_read ... ok
[INFO] [stdout] test tests::test_check_rotate ... ok
[INFO] [stdout] test tests::test_check_truncate ... ok
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/staart-150ecd78839f855d)
[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 56) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b653fde402898faa4ca939bdb9ee17c48ffbba66acbe614571d2aaa46018912d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b653fde402898faa4ca939bdb9ee17c48ffbba66acbe614571d2aaa46018912d", kill_on_drop: false }`
[INFO] [stdout] b653fde402898faa4ca939bdb9ee17c48ffbba66acbe614571d2aaa46018912d