[INFO] fetching crate basic_math_operation 0.1.0...
[INFO] testing basic_math_operation-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate basic_math_operation 0.1.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate basic_math_operation 0.1.0 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 crates.io crate basic_math_operation 0.1.0
[INFO] finished tweaking crates.io crate basic_math_operation 0.1.0
[INFO] tweaked toml for crates.io crate basic_math_operation 0.1.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] aea8ae766d1de6f3d72b0d10fef724535e79a999c0577d283a6bab88efee49be
[INFO] running `Command { std: "docker" "start" "-a" "aea8ae766d1de6f3d72b0d10fef724535e79a999c0577d283a6bab88efee49be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aea8ae766d1de6f3d72b0d10fef724535e79a999c0577d283a6bab88efee49be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea8ae766d1de6f3d72b0d10fef724535e79a999c0577d283a6bab88efee49be", kill_on_drop: false }`
[INFO] [stdout] aea8ae766d1de6f3d72b0d10fef724535e79a999c0577d283a6bab88efee49be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 07721807332cfc9faad52064007d1c40793b70448f9080d0ee1ca749374ec03c
[INFO] running `Command { std: "docker" "start" "-a" "07721807332cfc9faad52064007d1c40793b70448f9080d0ee1ca749374ec03c", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_math_operation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "07721807332cfc9faad52064007d1c40793b70448f9080d0ee1ca749374ec03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07721807332cfc9faad52064007d1c40793b70448f9080d0ee1ca749374ec03c", kill_on_drop: false }`
[INFO] [stdout] 07721807332cfc9faad52064007d1c40793b70448f9080d0ee1ca749374ec03c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] f1639b2d60cae086bf68419ee51aa64893b72376ca86fe409c062b50855b3dbb
[INFO] running `Command { std: "docker" "start" "-a" "f1639b2d60cae086bf68419ee51aa64893b72376ca86fe409c062b50855b3dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_math_operation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f1639b2d60cae086bf68419ee51aa64893b72376ca86fe409c062b50855b3dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1639b2d60cae086bf68419ee51aa64893b72376ca86fe409c062b50855b3dbb", kill_on_drop: false }`
[INFO] [stdout] f1639b2d60cae086bf68419ee51aa64893b72376ca86fe409c062b50855b3dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 678f8640eda07fa830880738664a46c227ff9bcc80c8da86b487d923e601a6af
[INFO] running `Command { std: "docker" "start" "-a" "678f8640eda07fa830880738664a46c227ff9bcc80c8da86b487d923e601a6af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_math_operation-7f1ca5296acfb939)
[INFO] [stderr]    Doc-tests basic_math_operation
[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] [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" "678f8640eda07fa830880738664a46c227ff9bcc80c8da86b487d923e601a6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678f8640eda07fa830880738664a46c227ff9bcc80c8da86b487d923e601a6af", kill_on_drop: false }`
[INFO] [stdout] 678f8640eda07fa830880738664a46c227ff9bcc80c8da86b487d923e601a6af