[INFO] cloning repository https://github.com/neosmart/tac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neosmart/tac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneosmart%2Ftac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneosmart%2Ftac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9e134adf4fbb97b09594de05a226d24df6de6a7
[INFO] testing neosmart/tac 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%2Fneosmart%2Ftac" "/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/neosmart/tac 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] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/neosmart/tac
[INFO] finished tweaking git repo https://github.com/neosmart/tac
[INFO] tweaked toml for git repo https://github.com/neosmart/tac written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/neosmart/tac 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] 8c7af7a5d157f657d4600327301cd21e94920ec1e677c18d1049f17bb166a2fa
[INFO] running `Command { std: "docker" "start" "-a" "8c7af7a5d157f657d4600327301cd21e94920ec1e677c18d1049f17bb166a2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c7af7a5d157f657d4600327301cd21e94920ec1e677c18d1049f17bb166a2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7af7a5d157f657d4600327301cd21e94920ec1e677c18d1049f17bb166a2fa", kill_on_drop: false }`
[INFO] [stdout] 8c7af7a5d157f657d4600327301cd21e94920ec1e677c18d1049f17bb166a2fa
[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] 8459e1732a6c59e324eab54900f04bc0e4f13502654fd7433eb7a2175a0d2b71
[INFO] running `Command { std: "docker" "start" "-a" "8459e1732a6c59e324eab54900f04bc0e4f13502654fd7433eb7a2175a0d2b71", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling tac v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "8459e1732a6c59e324eab54900f04bc0e4f13502654fd7433eb7a2175a0d2b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8459e1732a6c59e324eab54900f04bc0e4f13502654fd7433eb7a2175a0d2b71", kill_on_drop: false }`
[INFO] [stdout] 8459e1732a6c59e324eab54900f04bc0e4f13502654fd7433eb7a2175a0d2b71
[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] 00ef4aee47273bd3ad7c26a3fdbcc2ffeef0125eee6c5c9a95492d5efef0ee0e
[INFO] running `Command { std: "docker" "start" "-a" "00ef4aee47273bd3ad7c26a3fdbcc2ffeef0125eee6c5c9a95492d5efef0ee0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tac v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "00ef4aee47273bd3ad7c26a3fdbcc2ffeef0125eee6c5c9a95492d5efef0ee0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ef4aee47273bd3ad7c26a3fdbcc2ffeef0125eee6c5c9a95492d5efef0ee0e", kill_on_drop: false }`
[INFO] [stdout] 00ef4aee47273bd3ad7c26a3fdbcc2ffeef0125eee6c5c9a95492d5efef0ee0e
[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] 2e0c162161a3b1a95205ae5d72af38b08b35458dd5cc95854b4e3bbeef2a18ba
[INFO] running `Command { std: "docker" "start" "-a" "2e0c162161a3b1a95205ae5d72af38b08b35458dd5cc95854b4e3bbeef2a18ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tac-9137bdf04dbcc0d7)
[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] running `Command { std: "docker" "inspect" "2e0c162161a3b1a95205ae5d72af38b08b35458dd5cc95854b4e3bbeef2a18ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0c162161a3b1a95205ae5d72af38b08b35458dd5cc95854b4e3bbeef2a18ba", kill_on_drop: false }`
[INFO] [stdout] 2e0c162161a3b1a95205ae5d72af38b08b35458dd5cc95854b4e3bbeef2a18ba