[INFO] cloning repository https://github.com/skade/mailbox-konstanz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skade/mailbox-konstanz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fmailbox-konstanz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fmailbox-konstanz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64541b0b572eb5d7bc47ee3cd9340d7fca74fd01
[INFO] testing skade/mailbox-konstanz 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%2Fskade%2Fmailbox-konstanz" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skade/mailbox-konstanz 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/skade/mailbox-konstanz
[INFO] finished tweaking git repo https://github.com/skade/mailbox-konstanz
[INFO] tweaked toml for git repo https://github.com/skade/mailbox-konstanz written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/skade/mailbox-konstanz 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] df6a388b08edebb9487f69c5d8d1e1fc4ab28c61974e244bce58c64476bb36a8
[INFO] running `Command { std: "docker" "start" "-a" "df6a388b08edebb9487f69c5d8d1e1fc4ab28c61974e244bce58c64476bb36a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df6a388b08edebb9487f69c5d8d1e1fc4ab28c61974e244bce58c64476bb36a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6a388b08edebb9487f69c5d8d1e1fc4ab28c61974e244bce58c64476bb36a8", kill_on_drop: false }`
[INFO] [stdout] df6a388b08edebb9487f69c5d8d1e1fc4ab28c61974e244bce58c64476bb36a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4f3b6038aba44692756e04486decd30ac792853e84c600beab97cda82b22aada
[INFO] running `Command { std: "docker" "start" "-a" "4f3b6038aba44692756e04486decd30ac792853e84c600beab97cda82b22aada", kill_on_drop: false }`
[INFO] [stderr]    Compiling mailbox v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "4f3b6038aba44692756e04486decd30ac792853e84c600beab97cda82b22aada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3b6038aba44692756e04486decd30ac792853e84c600beab97cda82b22aada", kill_on_drop: false }`
[INFO] [stdout] 4f3b6038aba44692756e04486decd30ac792853e84c600beab97cda82b22aada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a6f947aa069dca349ee20071458a717d10f1c9f69b32d278bedc8b4285dad505
[INFO] running `Command { std: "docker" "start" "-a" "a6f947aa069dca349ee20071458a717d10f1c9f69b32d278bedc8b4285dad505", kill_on_drop: false }`
[INFO] [stderr]    Compiling mailbox v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a6f947aa069dca349ee20071458a717d10f1c9f69b32d278bedc8b4285dad505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f947aa069dca349ee20071458a717d10f1c9f69b32d278bedc8b4285dad505", kill_on_drop: false }`
[INFO] [stdout] a6f947aa069dca349ee20071458a717d10f1c9f69b32d278bedc8b4285dad505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 727fb42486fe035762040dce73cc1fe5624e02d11c974c8f834aa0364f16a99d
[INFO] running `Command { std: "docker" "start" "-a" "727fb42486fe035762040dce73cc1fe5624e02d11c974c8f834aa0364f16a99d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mailbox-9a5c7b18c2b63529)
[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" "727fb42486fe035762040dce73cc1fe5624e02d11c974c8f834aa0364f16a99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727fb42486fe035762040dce73cc1fe5624e02d11c974c8f834aa0364f16a99d", kill_on_drop: false }`
[INFO] [stdout] 727fb42486fe035762040dce73cc1fe5624e02d11c974c8f834aa0364f16a99d