[INFO] cloning repository https://github.com/radhalvy/basic_calculator_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radhalvy/basic_calculator_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradhalvy%2Fbasic_calculator_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradhalvy%2Fbasic_calculator_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c925e8c12505f69326d047dbfeb5375ba41be1a4
[INFO] testing radhalvy/basic_calculator_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%2Fradhalvy%2Fbasic_calculator_rust" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/radhalvy/basic_calculator_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/radhalvy/basic_calculator_rust
[INFO] finished tweaking git repo https://github.com/radhalvy/basic_calculator_rust
[INFO] tweaked toml for git repo https://github.com/radhalvy/basic_calculator_rust written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/radhalvy/basic_calculator_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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 60305067b03c0c84813c8a206590f4d6018bd8a0c9e398c922a6eff15314ea37
[INFO] running `Command { std: "docker" "start" "-a" "60305067b03c0c84813c8a206590f4d6018bd8a0c9e398c922a6eff15314ea37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60305067b03c0c84813c8a206590f4d6018bd8a0c9e398c922a6eff15314ea37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60305067b03c0c84813c8a206590f4d6018bd8a0c9e398c922a6eff15314ea37", kill_on_drop: false }`
[INFO] [stdout] 60305067b03c0c84813c8a206590f4d6018bd8a0c9e398c922a6eff15314ea37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 907477978a787ff96ee6e51adb0af2f172ff0dd5692d0c8aabc6978c132c2f63
[INFO] running `Command { std: "docker" "start" "-a" "907477978a787ff96ee6e51adb0af2f172ff0dd5692d0c8aabc6978c132c2f63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.54s
[INFO] running `Command { std: "docker" "inspect" "907477978a787ff96ee6e51adb0af2f172ff0dd5692d0c8aabc6978c132c2f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907477978a787ff96ee6e51adb0af2f172ff0dd5692d0c8aabc6978c132c2f63", kill_on_drop: false }`
[INFO] [stdout] 907477978a787ff96ee6e51adb0af2f172ff0dd5692d0c8aabc6978c132c2f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] e29816f1b985185be01726e9cdbf5525295912d5f65a820ccb91c28825957c8b
[INFO] running `Command { std: "docker" "start" "-a" "e29816f1b985185be01726e9cdbf5525295912d5f65a820ccb91c28825957c8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e29816f1b985185be01726e9cdbf5525295912d5f65a820ccb91c28825957c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29816f1b985185be01726e9cdbf5525295912d5f65a820ccb91c28825957c8b", kill_on_drop: false }`
[INFO] [stdout] e29816f1b985185be01726e9cdbf5525295912d5f65a820ccb91c28825957c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] f58d24951e4712cde5c3a23c4696b44e2949effb5d930c7677ad04a0e5b83a05
[INFO] running `Command { std: "docker" "start" "-a" "f58d24951e4712cde5c3a23c4696b44e2949effb5d930c7677ad04a0e5b83a05", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator_2-656f5de887c752fb)
[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" "f58d24951e4712cde5c3a23c4696b44e2949effb5d930c7677ad04a0e5b83a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58d24951e4712cde5c3a23c4696b44e2949effb5d930c7677ad04a0e5b83a05", kill_on_drop: false }`
[INFO] [stdout] f58d24951e4712cde5c3a23c4696b44e2949effb5d930c7677ad04a0e5b83a05