[INFO] cloning repository https://github.com/Dirk007/rust_feature_detection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dirk007/rust_feature_detection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirk007%2Frust_feature_detection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirk007%2Frust_feature_detection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ac6a5cd3d82917acd3c33ec98f850c7e285b25b
[INFO] testing Dirk007/rust_feature_detection 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%2FDirk007%2Frust_feature_detection" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dirk007/rust_feature_detection 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/Dirk007/rust_feature_detection
[INFO] finished tweaking git repo https://github.com/Dirk007/rust_feature_detection
[INFO] tweaked toml for git repo https://github.com/Dirk007/rust_feature_detection written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Dirk007/rust_feature_detection 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b65218069caaa0a6d62de55e14fe8775e206e183cd132e28aacb62957f089563
[INFO] running `Command { std: "docker" "start" "-a" "b65218069caaa0a6d62de55e14fe8775e206e183cd132e28aacb62957f089563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65218069caaa0a6d62de55e14fe8775e206e183cd132e28aacb62957f089563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65218069caaa0a6d62de55e14fe8775e206e183cd132e28aacb62957f089563", kill_on_drop: false }`
[INFO] [stdout] b65218069caaa0a6d62de55e14fe8775e206e183cd132e28aacb62957f089563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b77a22da49e46b94d90ccd3bbc2a6351d8ad790ed849698b8ce19a307237d0a8
[INFO] running `Command { std: "docker" "start" "-a" "b77a22da49e46b94d90ccd3bbc2a6351d8ad790ed849698b8ce19a307237d0a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling feature_checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "b77a22da49e46b94d90ccd3bbc2a6351d8ad790ed849698b8ce19a307237d0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77a22da49e46b94d90ccd3bbc2a6351d8ad790ed849698b8ce19a307237d0a8", kill_on_drop: false }`
[INFO] [stdout] b77a22da49e46b94d90ccd3bbc2a6351d8ad790ed849698b8ce19a307237d0a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a3824e0206ea58a76396de94f970b76c50dc130c0273a0c570664647465b2c0b
[INFO] running `Command { std: "docker" "start" "-a" "a3824e0206ea58a76396de94f970b76c50dc130c0273a0c570664647465b2c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling feature_checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "a3824e0206ea58a76396de94f970b76c50dc130c0273a0c570664647465b2c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3824e0206ea58a76396de94f970b76c50dc130c0273a0c570664647465b2c0b", kill_on_drop: false }`
[INFO] [stdout] a3824e0206ea58a76396de94f970b76c50dc130c0273a0c570664647465b2c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d981d08e9f13b5d8aa3cdfa58f9b74682346525483c3b417c061e3951a98741d
[INFO] running `Command { std: "docker" "start" "-a" "d981d08e9f13b5d8aa3cdfa58f9b74682346525483c3b417c061e3951a98741d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/feature_checker-80debf2dca22243c)
[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] running `Command { std: "docker" "inspect" "d981d08e9f13b5d8aa3cdfa58f9b74682346525483c3b417c061e3951a98741d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d981d08e9f13b5d8aa3cdfa58f9b74682346525483c3b417c061e3951a98741d", kill_on_drop: false }`
[INFO] [stdout] d981d08e9f13b5d8aa3cdfa58f9b74682346525483c3b417c061e3951a98741d