[INFO] cloning repository https://github.com/newship/lesson_four
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/newship/lesson_four" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewship%2Flesson_four", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewship%2Flesson_four'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6487ef0db833806c0b9c8c6e933c50b65551c90
[INFO] testing newship/lesson_four against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewship%2Flesson_four" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/newship/lesson_four on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/newship/lesson_four
[INFO] finished tweaking git repo https://github.com/newship/lesson_four
[INFO] tweaked toml for git repo https://github.com/newship/lesson_four written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/newship/lesson_four already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c12cb3f71a65c6e202771d4d82d9c1de82dbd1982f2e2c28b06ecc47c3e56d2
[INFO] running `Command { std: "docker" "start" "-a" "2c12cb3f71a65c6e202771d4d82d9c1de82dbd1982f2e2c28b06ecc47c3e56d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c12cb3f71a65c6e202771d4d82d9c1de82dbd1982f2e2c28b06ecc47c3e56d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c12cb3f71a65c6e202771d4d82d9c1de82dbd1982f2e2c28b06ecc47c3e56d2", kill_on_drop: false }`
[INFO] [stdout] 2c12cb3f71a65c6e202771d4d82d9c1de82dbd1982f2e2c28b06ecc47c3e56d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b72720af896736dfbcd4156ca24d536403c469dd57d82308f6d08eaea39ee58
[INFO] running `Command { std: "docker" "start" "-a" "6b72720af896736dfbcd4156ca24d536403c469dd57d82308f6d08eaea39ee58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lesson_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "6b72720af896736dfbcd4156ca24d536403c469dd57d82308f6d08eaea39ee58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b72720af896736dfbcd4156ca24d536403c469dd57d82308f6d08eaea39ee58", kill_on_drop: false }`
[INFO] [stdout] 6b72720af896736dfbcd4156ca24d536403c469dd57d82308f6d08eaea39ee58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 367cd056601b6222697fd506caa3da39bc17958937ce43d4caea7692bdfc7b96
[INFO] running `Command { std: "docker" "start" "-a" "367cd056601b6222697fd506caa3da39bc17958937ce43d4caea7692bdfc7b96", kill_on_drop: false }`
[INFO] [stderr]    Compiling lesson_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/lesson_four-2b5556f66b92c08e)
[INFO] running `Command { std: "docker" "inspect" "367cd056601b6222697fd506caa3da39bc17958937ce43d4caea7692bdfc7b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367cd056601b6222697fd506caa3da39bc17958937ce43d4caea7692bdfc7b96", kill_on_drop: false }`
[INFO] [stdout] 367cd056601b6222697fd506caa3da39bc17958937ce43d4caea7692bdfc7b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3b0a999e27196084609227b3daa0eeee56b1ba16c4c7b7945c62d9c2b77c3a8
[INFO] running `Command { std: "docker" "start" "-a" "a3b0a999e27196084609227b3daa0eeee56b1ba16c4c7b7945c62d9c2b77c3a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 57.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lesson_four-2b5556f66b92c08e)
[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" "a3b0a999e27196084609227b3daa0eeee56b1ba16c4c7b7945c62d9c2b77c3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b0a999e27196084609227b3daa0eeee56b1ba16c4c7b7945c62d9c2b77c3a8", kill_on_drop: false }`
[INFO] [stdout] a3b0a999e27196084609227b3daa0eeee56b1ba16c4c7b7945c62d9c2b77c3a8