[INFO] cloning repository https://github.com/arttatum/shadows_and_muts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arttatum/shadows_and_muts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farttatum%2Fshadows_and_muts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farttatum%2Fshadows_and_muts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30d5f9d71c451abfcf868089cf30c3bca0dc9563
[INFO] testing arttatum/shadows_and_muts against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farttatum%2Fshadows_and_muts" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arttatum/shadows_and_muts on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arttatum/shadows_and_muts
[INFO] finished tweaking git repo https://github.com/arttatum/shadows_and_muts
[INFO] tweaked toml for git repo https://github.com/arttatum/shadows_and_muts written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/arttatum/shadows_and_muts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2188184c52fa9fb3bd54da8e97fa442c0f6950c24ad5e85a10c80302223bb134
[INFO] running `Command { std: "docker" "start" "-a" "2188184c52fa9fb3bd54da8e97fa442c0f6950c24ad5e85a10c80302223bb134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2188184c52fa9fb3bd54da8e97fa442c0f6950c24ad5e85a10c80302223bb134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2188184c52fa9fb3bd54da8e97fa442c0f6950c24ad5e85a10c80302223bb134", kill_on_drop: false }`
[INFO] [stdout] 2188184c52fa9fb3bd54da8e97fa442c0f6950c24ad5e85a10c80302223bb134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 652a952b9e5fec09aaae76e941f60c0b5c55fa96bee792c8a83d4fb3c38eb306
[INFO] running `Command { std: "docker" "start" "-a" "652a952b9e5fec09aaae76e941f60c0b5c55fa96bee792c8a83d4fb3c38eb306", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadows_and_muts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "652a952b9e5fec09aaae76e941f60c0b5c55fa96bee792c8a83d4fb3c38eb306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652a952b9e5fec09aaae76e941f60c0b5c55fa96bee792c8a83d4fb3c38eb306", kill_on_drop: false }`
[INFO] [stdout] 652a952b9e5fec09aaae76e941f60c0b5c55fa96bee792c8a83d4fb3c38eb306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ce98a693e88e17c79ff5fb55f08399ecaf865f234eb6183d9e90ced07aab70d
[INFO] running `Command { std: "docker" "start" "-a" "7ce98a693e88e17c79ff5fb55f08399ecaf865f234eb6183d9e90ced07aab70d", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadows_and_muts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "7ce98a693e88e17c79ff5fb55f08399ecaf865f234eb6183d9e90ced07aab70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce98a693e88e17c79ff5fb55f08399ecaf865f234eb6183d9e90ced07aab70d", kill_on_drop: false }`
[INFO] [stdout] 7ce98a693e88e17c79ff5fb55f08399ecaf865f234eb6183d9e90ced07aab70d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 319ccd66a913fdb671783768ab8a0cbe7cf74f431bc894d2c4ae9241f8decb79
[INFO] running `Command { std: "docker" "start" "-a" "319ccd66a913fdb671783768ab8a0cbe7cf74f431bc894d2c4ae9241f8decb79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shadows_and_muts-4b35d00013a7f17f)
[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" "319ccd66a913fdb671783768ab8a0cbe7cf74f431bc894d2c4ae9241f8decb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319ccd66a913fdb671783768ab8a0cbe7cf74f431bc894d2c4ae9241f8decb79", kill_on_drop: false }`
[INFO] [stdout] 319ccd66a913fdb671783768ab8a0cbe7cf74f431bc894d2c4ae9241f8decb79