[INFO] cloning repository https://github.com/chenshanzi/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenshanzi/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenshanzi%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenshanzi%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94ff7ad6ab369dc1e0f9a73bc7138f100b3d6f9c
[INFO] testing chenshanzi/rust-learn 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%2Fchenshanzi%2Frust-learn" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chenshanzi/rust-learn 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/chenshanzi/rust-learn
[INFO] finished tweaking git repo https://github.com/chenshanzi/rust-learn
[INFO] tweaked toml for git repo https://github.com/chenshanzi/rust-learn written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/chenshanzi/rust-learn 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] c384e5bc3c1a985478ef969cd52af58a7ce6d700adc239053da67254ebb6594f
[INFO] running `Command { std: "docker" "start" "-a" "c384e5bc3c1a985478ef969cd52af58a7ce6d700adc239053da67254ebb6594f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c384e5bc3c1a985478ef969cd52af58a7ce6d700adc239053da67254ebb6594f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c384e5bc3c1a985478ef969cd52af58a7ce6d700adc239053da67254ebb6594f", kill_on_drop: false }`
[INFO] [stdout] c384e5bc3c1a985478ef969cd52af58a7ce6d700adc239053da67254ebb6594f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 9ce77d6afafc5f4a1f48293200dc504f8ebb5acae0de97cc14f1bb8d2d3efdc2
[INFO] running `Command { std: "docker" "start" "-a" "9ce77d6afafc5f4a1f48293200dc504f8ebb5acae0de97cc14f1bb8d2d3efdc2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "9ce77d6afafc5f4a1f48293200dc504f8ebb5acae0de97cc14f1bb8d2d3efdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce77d6afafc5f4a1f48293200dc504f8ebb5acae0de97cc14f1bb8d2d3efdc2", kill_on_drop: false }`
[INFO] [stdout] 9ce77d6afafc5f4a1f48293200dc504f8ebb5acae0de97cc14f1bb8d2d3efdc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 89da833c3e66d11809ce8f6f42c704bb92202af06da19cd4c523fd691cef3cdc
[INFO] running `Command { std: "docker" "start" "-a" "89da833c3e66d11809ce8f6f42c704bb92202af06da19cd4c523fd691cef3cdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "89da833c3e66d11809ce8f6f42c704bb92202af06da19cd4c523fd691cef3cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89da833c3e66d11809ce8f6f42c704bb92202af06da19cd4c523fd691cef3cdc", kill_on_drop: false }`
[INFO] [stdout] 89da833c3e66d11809ce8f6f42c704bb92202af06da19cd4c523fd691cef3cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 0750474c4627e7d9a764719760756f4ecb280c467e2fc610aa5cf11d93c17e97
[INFO] running `Command { std: "docker" "start" "-a" "0750474c4627e7d9a764719760756f4ecb280c467e2fc610aa5cf11d93c17e97", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-299a738e4cdc7eb3)
[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" "0750474c4627e7d9a764719760756f4ecb280c467e2fc610aa5cf11d93c17e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0750474c4627e7d9a764719760756f4ecb280c467e2fc610aa5cf11d93c17e97", kill_on_drop: false }`
[INFO] [stdout] 0750474c4627e7d9a764719760756f4ecb280c467e2fc610aa5cf11d93c17e97