[INFO] cloning repository https://github.com/watawuwu/fluent-tail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/watawuwu/fluent-tail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatawuwu%2Ffluent-tail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatawuwu%2Ffluent-tail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24a29ce81da3b0415f0bf9bc1fa2d92cf2dec3f7
[INFO] testing watawuwu/fluent-tail against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatawuwu%2Ffluent-tail" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/watawuwu/fluent-tail on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/watawuwu/fluent-tail
[INFO] finished tweaking git repo https://github.com/watawuwu/fluent-tail
[INFO] tweaked toml for git repo https://github.com/watawuwu/fluent-tail written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/watawuwu/fluent-tail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded predicates v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ec6d240511bc326466ae6876795d3b692c34b195b279d3e9beca06d51b74668
[INFO] running `Command { std: "docker" "start" "-a" "3ec6d240511bc326466ae6876795d3b692c34b195b279d3e9beca06d51b74668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec6d240511bc326466ae6876795d3b692c34b195b279d3e9beca06d51b74668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec6d240511bc326466ae6876795d3b692c34b195b279d3e9beca06d51b74668", kill_on_drop: false }`
[INFO] [stdout] 3ec6d240511bc326466ae6876795d3b692c34b195b279d3e9beca06d51b74668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2503c9b04b800d1aaf73db376f703a087592c603f2bdb804c9814b49a9d9a85a
[INFO] running `Command { std: "docker" "start" "-a" "2503c9b04b800d1aaf73db376f703a087592c603f2bdb804c9814b49a9d9a85a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling fluent-tail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.63s
[INFO] running `Command { std: "docker" "inspect" "2503c9b04b800d1aaf73db376f703a087592c603f2bdb804c9814b49a9d9a85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2503c9b04b800d1aaf73db376f703a087592c603f2bdb804c9814b49a9d9a85a", kill_on_drop: false }`
[INFO] [stdout] 2503c9b04b800d1aaf73db376f703a087592c603f2bdb804c9814b49a9d9a85a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1a0cee211043bdda6d53daa6fd3cb4c0e4452494ca0c585217c306a2ac9a067
[INFO] running `Command { std: "docker" "start" "-a" "c1a0cee211043bdda6d53daa6fd3cb4c0e4452494ca0c585217c306a2ac9a067", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling predicates v1.0.2
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling fluent-tail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.49s
[INFO] running `Command { std: "docker" "inspect" "c1a0cee211043bdda6d53daa6fd3cb4c0e4452494ca0c585217c306a2ac9a067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a0cee211043bdda6d53daa6fd3cb4c0e4452494ca0c585217c306a2ac9a067", kill_on_drop: false }`
[INFO] [stdout] c1a0cee211043bdda6d53daa6fd3cb4c0e4452494ca0c585217c306a2ac9a067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfdddcb4c94b3366b21c1cc462b168700170a85cf2979688f70ae0facde9577a
[INFO] running `Command { std: "docker" "start" "-a" "bfdddcb4c94b3366b21c1cc462b168700170a85cf2979688f70ae0facde9577a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fluent_tail-1eb64128897d5ab4)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test fs::tests::mk_dir_deep_layer_ok ... ok
[INFO] [stdout] test fs::tests::read_file_not_file_ng ... ok
[INFO] [stdout] test fs::tests::mk_dir_one_layer_ok ... ok
[INFO] [stdout] test tests::ok ... ok
[INFO] [stdout] test fs::tests::read_file_temp_ok ... ok
[INFO] [stdout] test fs::tests::write_file_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bfdddcb4c94b3366b21c1cc462b168700170a85cf2979688f70ae0facde9577a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdddcb4c94b3366b21c1cc462b168700170a85cf2979688f70ae0facde9577a", kill_on_drop: false }`
[INFO] [stdout] bfdddcb4c94b3366b21c1cc462b168700170a85cf2979688f70ae0facde9577a