[INFO] cloning repository https://github.com/kraai/exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kraai/exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkraai%2Fexercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkraai%2Fexercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a769380d019341f83827ac5dd9e2b26930934692
[INFO] testing kraai/exercise 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%2Fkraai%2Fexercise" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kraai/exercise 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] removed /workspace/builds/worker-24/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/kraai/exercise
[INFO] finished tweaking git repo https://github.com/kraai/exercise
[INFO] tweaked toml for git repo https://github.com/kraai/exercise written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/kraai/exercise 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.3.4
[INFO] [stderr]   Downloaded directories v4.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 48e503b239f78d60da615ea8605e86034266b3bedf1fd4fa2e99dc44fc3febd7
[INFO] running `Command { std: "docker" "start" "-a" "48e503b239f78d60da615ea8605e86034266b3bedf1fd4fa2e99dc44fc3febd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e503b239f78d60da615ea8605e86034266b3bedf1fd4fa2e99dc44fc3febd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e503b239f78d60da615ea8605e86034266b3bedf1fd4fa2e99dc44fc3febd7", kill_on_drop: false }`
[INFO] [stdout] 48e503b239f78d60da615ea8605e86034266b3bedf1fd4fa2e99dc44fc3febd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] df35128c470dcf76cffabe388dbf79fb05eb0695330d824cf6aa1c1ed87d202b
[INFO] running `Command { std: "docker" "start" "-a" "df35128c470dcf76cffabe388dbf79fb05eb0695330d824cf6aa1c1ed87d202b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling time v0.3.4
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "df35128c470dcf76cffabe388dbf79fb05eb0695330d824cf6aa1c1ed87d202b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df35128c470dcf76cffabe388dbf79fb05eb0695330d824cf6aa1c1ed87d202b", kill_on_drop: false }`
[INFO] [stdout] df35128c470dcf76cffabe388dbf79fb05eb0695330d824cf6aa1c1ed87d202b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] dbf5e0470c7ec58a2c3b629c8f82e2d3bca0e5c316a5745f864f3320a518f313
[INFO] running `Command { std: "docker" "start" "-a" "dbf5e0470c7ec58a2c3b629c8f82e2d3bca0e5c316a5745f864f3320a518f313", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "dbf5e0470c7ec58a2c3b629c8f82e2d3bca0e5c316a5745f864f3320a518f313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf5e0470c7ec58a2c3b629c8f82e2d3bca0e5c316a5745f864f3320a518f313", kill_on_drop: false }`
[INFO] [stdout] dbf5e0470c7ec58a2c3b629c8f82e2d3bca0e5c316a5745f864f3320a518f313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 73ff4dfe682ece61801107ea32f4cc89e1679d420c9b1785fe3783b3aeb709d1
[INFO] running `Command { std: "docker" "start" "-a" "73ff4dfe682ece61801107ea32f4cc89e1679d420c9b1785fe3783b3aeb709d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercise-8b310d118fae5ad9)
[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" "73ff4dfe682ece61801107ea32f4cc89e1679d420c9b1785fe3783b3aeb709d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ff4dfe682ece61801107ea32f4cc89e1679d420c9b1785fe3783b3aeb709d1", kill_on_drop: false }`
[INFO] [stdout] 73ff4dfe682ece61801107ea32f4cc89e1679d420c9b1785fe3783b3aeb709d1