[INFO] cloning repository https://github.com/cbrit/first_word
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbrit/first_word" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Ffirst_word", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Ffirst_word'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7f0956aa46340ac1297838d1843c6091fc364f3
[INFO] testing cbrit/first_word 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%2Fcbrit%2Ffirst_word" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbrit/first_word 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/cbrit/first_word
[INFO] finished tweaking git repo https://github.com/cbrit/first_word
[INFO] tweaked toml for git repo https://github.com/cbrit/first_word written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/cbrit/first_word 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 45f10618c64bb61875ffd637b746b1971a9c717e33cf2aca74a6c8c1219b5248
[INFO] running `Command { std: "docker" "start" "-a" "45f10618c64bb61875ffd637b746b1971a9c717e33cf2aca74a6c8c1219b5248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45f10618c64bb61875ffd637b746b1971a9c717e33cf2aca74a6c8c1219b5248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f10618c64bb61875ffd637b746b1971a9c717e33cf2aca74a6c8c1219b5248", kill_on_drop: false }`
[INFO] [stdout] 45f10618c64bb61875ffd637b746b1971a9c717e33cf2aca74a6c8c1219b5248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 8dc69793825d2f6bf2206b21d6a3989754cbf7bf667c80ada0509984817acfd2
[INFO] running `Command { std: "docker" "start" "-a" "8dc69793825d2f6bf2206b21d6a3989754cbf7bf667c80ada0509984817acfd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling first_word v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.51s
[INFO] running `Command { std: "docker" "inspect" "8dc69793825d2f6bf2206b21d6a3989754cbf7bf667c80ada0509984817acfd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc69793825d2f6bf2206b21d6a3989754cbf7bf667c80ada0509984817acfd2", kill_on_drop: false }`
[INFO] [stdout] 8dc69793825d2f6bf2206b21d6a3989754cbf7bf667c80ada0509984817acfd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] c952bd9b906f9ce8a7c63b69828d0b2310e1fdf5d0225f4fee5e270b06e11c02
[INFO] running `Command { std: "docker" "start" "-a" "c952bd9b906f9ce8a7c63b69828d0b2310e1fdf5d0225f4fee5e270b06e11c02", kill_on_drop: false }`
[INFO] [stderr]    Compiling first_word v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c952bd9b906f9ce8a7c63b69828d0b2310e1fdf5d0225f4fee5e270b06e11c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c952bd9b906f9ce8a7c63b69828d0b2310e1fdf5d0225f4fee5e270b06e11c02", kill_on_drop: false }`
[INFO] [stdout] c952bd9b906f9ce8a7c63b69828d0b2310e1fdf5d0225f4fee5e270b06e11c02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 6e5a27c996492faa2f4d343921c65d0b53f867322f670a9c0db5453d7ad6686a
[INFO] running `Command { std: "docker" "start" "-a" "6e5a27c996492faa2f4d343921c65d0b53f867322f670a9c0db5453d7ad6686a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/first_word-5c804af0d3864b52)
[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" "6e5a27c996492faa2f4d343921c65d0b53f867322f670a9c0db5453d7ad6686a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5a27c996492faa2f4d343921c65d0b53f867322f670a9c0db5453d7ad6686a", kill_on_drop: false }`
[INFO] [stdout] 6e5a27c996492faa2f4d343921c65d0b53f867322f670a9c0db5453d7ad6686a