[INFO] cloning repository https://github.com/frolvanya/number-to-mantissa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frolvanya/number-to-mantissa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrolvanya%2Fnumber-to-mantissa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrolvanya%2Fnumber-to-mantissa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 925ad09f1629d6b6b7041c18d41c7b3dd434254f
[INFO] testing frolvanya/number-to-mantissa against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrolvanya%2Fnumber-to-mantissa" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frolvanya/number-to-mantissa on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frolvanya/number-to-mantissa
[INFO] finished tweaking git repo https://github.com/frolvanya/number-to-mantissa
[INFO] tweaked toml for git repo https://github.com/frolvanya/number-to-mantissa written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/frolvanya/number-to-mantissa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 059d703a2252b7c256d9c9125d69349eef7423cde6da13b4bda6a1214f367a72
[INFO] running `Command { std: "docker" "start" "-a" "059d703a2252b7c256d9c9125d69349eef7423cde6da13b4bda6a1214f367a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "059d703a2252b7c256d9c9125d69349eef7423cde6da13b4bda6a1214f367a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059d703a2252b7c256d9c9125d69349eef7423cde6da13b4bda6a1214f367a72", kill_on_drop: false }`
[INFO] [stdout] 059d703a2252b7c256d9c9125d69349eef7423cde6da13b4bda6a1214f367a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fd0189f4d953701a8fcd1f3853106917a6739abad327cf4dc7766bf75f39265
[INFO] running `Command { std: "docker" "start" "-a" "1fd0189f4d953701a8fcd1f3853106917a6739abad327cf4dc7766bf75f39265", kill_on_drop: false }`
[INFO] [stderr]    Compiling number-to-mantissa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "1fd0189f4d953701a8fcd1f3853106917a6739abad327cf4dc7766bf75f39265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd0189f4d953701a8fcd1f3853106917a6739abad327cf4dc7766bf75f39265", kill_on_drop: false }`
[INFO] [stdout] 1fd0189f4d953701a8fcd1f3853106917a6739abad327cf4dc7766bf75f39265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b68f47dbbd626acdee77bf079ed2b1b9101f337c3c339a0c341972b660cd60
[INFO] running `Command { std: "docker" "start" "-a" "67b68f47dbbd626acdee77bf079ed2b1b9101f337c3c339a0c341972b660cd60", kill_on_drop: false }`
[INFO] [stderr]    Compiling number-to-mantissa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "67b68f47dbbd626acdee77bf079ed2b1b9101f337c3c339a0c341972b660cd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b68f47dbbd626acdee77bf079ed2b1b9101f337c3c339a0c341972b660cd60", kill_on_drop: false }`
[INFO] [stdout] 67b68f47dbbd626acdee77bf079ed2b1b9101f337c3c339a0c341972b660cd60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] baed943af12d9a799dd748e4dec5b3d79cd314d8d5b2bdc088e2172cb29e9513
[INFO] running `Command { std: "docker" "start" "-a" "baed943af12d9a799dd748e4dec5b3d79cd314d8d5b2bdc088e2172cb29e9513", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/number_to_mantissa-ce8e91bf060f2657)
[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" "baed943af12d9a799dd748e4dec5b3d79cd314d8d5b2bdc088e2172cb29e9513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baed943af12d9a799dd748e4dec5b3d79cd314d8d5b2bdc088e2172cb29e9513", kill_on_drop: false }`
[INFO] [stdout] baed943af12d9a799dd748e4dec5b3d79cd314d8d5b2bdc088e2172cb29e9513