[INFO] cloning repository https://github.com/lax0248917/Beginners_Series_to_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lax0248917/Beginners_Series_to_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flax0248917%2FBeginners_Series_to_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flax0248917%2FBeginners_Series_to_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3220d72f02c65cc4e8836fa3caa9a863a04562fa
[INFO] testing lax0248917/Beginners_Series_to_Rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flax0248917%2FBeginners_Series_to_Rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lax0248917/Beginners_Series_to_Rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lax0248917/Beginners_Series_to_Rust
[INFO] finished tweaking git repo https://github.com/lax0248917/Beginners_Series_to_Rust
[INFO] tweaked toml for git repo https://github.com/lax0248917/Beginners_Series_to_Rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/lax0248917/Beginners_Series_to_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79694036aba2e00cad47b1510a78e2cf0da3cf641f2eb309a91f8555a810a2e5
[INFO] running `Command { std: "docker" "start" "-a" "79694036aba2e00cad47b1510a78e2cf0da3cf641f2eb309a91f8555a810a2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79694036aba2e00cad47b1510a78e2cf0da3cf641f2eb309a91f8555a810a2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79694036aba2e00cad47b1510a78e2cf0da3cf641f2eb309a91f8555a810a2e5", kill_on_drop: false }`
[INFO] [stdout] 79694036aba2e00cad47b1510a78e2cf0da3cf641f2eb309a91f8555a810a2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fb04b19bc4d45fd775f29b64a0f523fa52a81318805fc8e828fff312a20d91e
[INFO] running `Command { std: "docker" "start" "-a" "4fb04b19bc4d45fd775f29b64a0f523fa52a81318805fc8e828fff312a20d91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo_hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "4fb04b19bc4d45fd775f29b64a0f523fa52a81318805fc8e828fff312a20d91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb04b19bc4d45fd775f29b64a0f523fa52a81318805fc8e828fff312a20d91e", kill_on_drop: false }`
[INFO] [stdout] 4fb04b19bc4d45fd775f29b64a0f523fa52a81318805fc8e828fff312a20d91e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef4cf1398e87ffdf96959fc472ba8d1e04bdb31a53d882726fe6a07b3009e50
[INFO] running `Command { std: "docker" "start" "-a" "bef4cf1398e87ffdf96959fc472ba8d1e04bdb31a53d882726fe6a07b3009e50", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo_hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bef4cf1398e87ffdf96959fc472ba8d1e04bdb31a53d882726fe6a07b3009e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef4cf1398e87ffdf96959fc472ba8d1e04bdb31a53d882726fe6a07b3009e50", kill_on_drop: false }`
[INFO] [stdout] bef4cf1398e87ffdf96959fc472ba8d1e04bdb31a53d882726fe6a07b3009e50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9993d5c9e66223e415d786ed1e45f6ce460dcb05da9facb5a56c4db54f8c2ba9
[INFO] running `Command { std: "docker" "start" "-a" "9993d5c9e66223e415d786ed1e45f6ce460dcb05da9facb5a56c4db54f8c2ba9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_hello_world-76cfdbb1d2f9f583)
[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" "9993d5c9e66223e415d786ed1e45f6ce460dcb05da9facb5a56c4db54f8c2ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9993d5c9e66223e415d786ed1e45f6ce460dcb05da9facb5a56c4db54f8c2ba9", kill_on_drop: false }`
[INFO] [stdout] 9993d5c9e66223e415d786ed1e45f6ce460dcb05da9facb5a56c4db54f8c2ba9