[INFO] cloning repository https://github.com/Atari2/rust_calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Atari2/rust_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtari2%2Frust_calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtari2%2Frust_calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeb31b9099a9917cab8c253e63eeea1a12d6b459
[INFO] testing Atari2/rust_calculator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtari2%2Frust_calculator" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Atari2/rust_calculator 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/Atari2/rust_calculator
[INFO] finished tweaking git repo https://github.com/Atari2/rust_calculator
[INFO] tweaked toml for git repo https://github.com/Atari2/rust_calculator written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/Atari2/rust_calculator 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] f1af0f77a3be86a3c8575a69cbaa4417fa211dd6be96fe06f6e601e50bb388e1
[INFO] running `Command { std: "docker" "start" "-a" "f1af0f77a3be86a3c8575a69cbaa4417fa211dd6be96fe06f6e601e50bb388e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1af0f77a3be86a3c8575a69cbaa4417fa211dd6be96fe06f6e601e50bb388e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1af0f77a3be86a3c8575a69cbaa4417fa211dd6be96fe06f6e601e50bb388e1", kill_on_drop: false }`
[INFO] [stdout] f1af0f77a3be86a3c8575a69cbaa4417fa211dd6be96fe06f6e601e50bb388e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] e2c186d2acd2ddc0085b3e5ccc6d1f839af4109801fe98d354a2a0396e73a5f4
[INFO] running `Command { std: "docker" "start" "-a" "e2c186d2acd2ddc0085b3e5ccc6d1f839af4109801fe98d354a2a0396e73a5f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "e2c186d2acd2ddc0085b3e5ccc6d1f839af4109801fe98d354a2a0396e73a5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c186d2acd2ddc0085b3e5ccc6d1f839af4109801fe98d354a2a0396e73a5f4", kill_on_drop: false }`
[INFO] [stdout] e2c186d2acd2ddc0085b3e5ccc6d1f839af4109801fe98d354a2a0396e73a5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] adda45f0a3922fdf291474dfb75a6af70b91969f2cf96a17d60961789f64cb64
[INFO] running `Command { std: "docker" "start" "-a" "adda45f0a3922fdf291474dfb75a6af70b91969f2cf96a17d60961789f64cb64", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "adda45f0a3922fdf291474dfb75a6af70b91969f2cf96a17d60961789f64cb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adda45f0a3922fdf291474dfb75a6af70b91969f2cf96a17d60961789f64cb64", kill_on_drop: false }`
[INFO] [stdout] adda45f0a3922fdf291474dfb75a6af70b91969f2cf96a17d60961789f64cb64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 58e2ed0b25a39879e7efbfe1389865f125ab1c8065a662dd28eb834eb542572e
[INFO] running `Command { std: "docker" "start" "-a" "58e2ed0b25a39879e7efbfe1389865f125ab1c8065a662dd28eb834eb542572e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator-c3bdeb42dbf0039f)
[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" "58e2ed0b25a39879e7efbfe1389865f125ab1c8065a662dd28eb834eb542572e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e2ed0b25a39879e7efbfe1389865f125ab1c8065a662dd28eb834eb542572e", kill_on_drop: false }`
[INFO] [stdout] 58e2ed0b25a39879e7efbfe1389865f125ab1c8065a662dd28eb834eb542572e