[INFO] fetching crate euler 0.4.0...
[INFO] testing euler-0.4.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate euler 0.4.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate euler 0.4.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate euler 0.4.0
[INFO] finished tweaking crates.io crate euler 0.4.0
[INFO] tweaked toml for crates.io crate euler 0.4.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7abda8b6b9faa7a5663f5a75c1130c6d833d49bf95d5b4488d2a1d90b8fc81a8
[INFO] running `Command { std: "docker" "start" "-a" "7abda8b6b9faa7a5663f5a75c1130c6d833d49bf95d5b4488d2a1d90b8fc81a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7abda8b6b9faa7a5663f5a75c1130c6d833d49bf95d5b4488d2a1d90b8fc81a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abda8b6b9faa7a5663f5a75c1130c6d833d49bf95d5b4488d2a1d90b8fc81a8", kill_on_drop: false }`
[INFO] [stdout] 7abda8b6b9faa7a5663f5a75c1130c6d833d49bf95d5b4488d2a1d90b8fc81a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bce21f0e0dec1de690ea0e7b9ebb93f645e07f1c18597c4e30b7a115425ccf9d
[INFO] running `Command { std: "docker" "start" "-a" "bce21f0e0dec1de690ea0e7b9ebb93f645e07f1c18597c4e30b7a115425ccf9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling mint v0.5.9
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling euler v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "bce21f0e0dec1de690ea0e7b9ebb93f645e07f1c18597c4e30b7a115425ccf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce21f0e0dec1de690ea0e7b9ebb93f645e07f1c18597c4e30b7a115425ccf9d", kill_on_drop: false }`
[INFO] [stdout] bce21f0e0dec1de690ea0e7b9ebb93f645e07f1c18597c4e30b7a115425ccf9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63da5d44c62ef4cd45c365a43716ef85f03cc15aad34bae2c7c0e130481681d2
[INFO] running `Command { std: "docker" "start" "-a" "63da5d44c62ef4cd45c365a43716ef85f03cc15aad34bae2c7c0e130481681d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "63da5d44c62ef4cd45c365a43716ef85f03cc15aad34bae2c7c0e130481681d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63da5d44c62ef4cd45c365a43716ef85f03cc15aad34bae2c7c0e130481681d2", kill_on_drop: false }`
[INFO] [stdout] 63da5d44c62ef4cd45c365a43716ef85f03cc15aad34bae2c7c0e130481681d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5369db8153ab3e8bbd8f4b67076ad7140a6f0dae24b1e32171c445635dc6f9cb
[INFO] running `Command { std: "docker" "start" "-a" "5369db8153ab3e8bbd8f4b67076ad7140a6f0dae24b1e32171c445635dc6f9cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/euler-868675f2020b59cd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests euler
[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 42 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name euler --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-94ebf2bd36ba4bb3.rlib --extern cgmath=/opt/rustwide/target/debug/deps/libcgmath-61a3447ee1cbb8d1.rlib --extern euler=/opt/rustwide/target/debug/deps/libeuler-e14c27ffe04b4e42.rlib -C embed-bitcode=no --cfg 'feature="default"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5369db8153ab3e8bbd8f4b67076ad7140a6f0dae24b1e32171c445635dc6f9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5369db8153ab3e8bbd8f4b67076ad7140a6f0dae24b1e32171c445635dc6f9cb", kill_on_drop: false }`
[INFO] [stdout] 5369db8153ab3e8bbd8f4b67076ad7140a6f0dae24b1e32171c445635dc6f9cb