[INFO] fetching crate googology 0.2.1...
[INFO] testing googology-0.2.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate googology 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate googology 0.2.1 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 googology 0.2.1
[INFO] finished tweaking crates.io crate googology 0.2.1
[INFO] tweaked toml for crates.io crate googology 0.2.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d158ee2e7a721c2457aac53aaecd6bbc083a089bf576730f1077a49e4699e50a
[INFO] running `Command { std: "docker" "start" "-a" "d158ee2e7a721c2457aac53aaecd6bbc083a089bf576730f1077a49e4699e50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d158ee2e7a721c2457aac53aaecd6bbc083a089bf576730f1077a49e4699e50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d158ee2e7a721c2457aac53aaecd6bbc083a089bf576730f1077a49e4699e50a", kill_on_drop: false }`
[INFO] [stdout] d158ee2e7a721c2457aac53aaecd6bbc083a089bf576730f1077a49e4699e50a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 77569982b4d579304c90ae1fe720deaaeede16f08f5c866ae5b5109f027ad87c
[INFO] running `Command { std: "docker" "start" "-a" "77569982b4d579304c90ae1fe720deaaeede16f08f5c866ae5b5109f027ad87c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling googology v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "77569982b4d579304c90ae1fe720deaaeede16f08f5c866ae5b5109f027ad87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77569982b4d579304c90ae1fe720deaaeede16f08f5c866ae5b5109f027ad87c", kill_on_drop: false }`
[INFO] [stdout] 77569982b4d579304c90ae1fe720deaaeede16f08f5c866ae5b5109f027ad87c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] fc75cfd7a5247f3b3522dff282163ae8bdbe95afd5988cb77f594c3a200a24b4
[INFO] running `Command { std: "docker" "start" "-a" "fc75cfd7a5247f3b3522dff282163ae8bdbe95afd5988cb77f594c3a200a24b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling googology v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "fc75cfd7a5247f3b3522dff282163ae8bdbe95afd5988cb77f594c3a200a24b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc75cfd7a5247f3b3522dff282163ae8bdbe95afd5988cb77f594c3a200a24b4", kill_on_drop: false }`
[INFO] [stdout] fc75cfd7a5247f3b3522dff282163ae8bdbe95afd5988cb77f594c3a200a24b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 02d170d54dbd89267f8f52555eed605661c104b508afdc26a778503decd342e1
[INFO] running `Command { std: "docker" "start" "-a" "02d170d54dbd89267f8f52555eed605661c104b508afdc26a778503decd342e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/googology-05d8c0c2792c600b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test conway_wechsler::tests::large_numbers ... ok
[INFO] [stdout] test conway_wechsler::tests::large_powers ... ok
[INFO] [stdout] test conway_wechsler::tests::very_small_numbers ... ok
[INFO] [stdout] test conway_wechsler::tests::small_numbers ... ok
[INFO] [stdout] test knuth_yllion::tests::semi_large_power ... ok
[INFO] [stdout] test knuth_yllion::tests::small_numbers ... ok
[INFO] [stdout] test knuth_yllion::tests::small_power ... ok
[INFO] [stdout] test knuth_yllion::tests::very_large_numbers ... ok
[INFO] [stdout] test knuth_yllion::tests::very_large_power ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests googology
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/knuth_yllion.rs - knuth_yllion::full_name (line 90) ... ok
[INFO] [stdout] test src/knuth_yllion.rs - knuth_yllion::power_of_ten (line 212) ... ok
[INFO] [stdout] test src/conway_wechsler.rs - conway_wechsler::full_name (line 112) ... ok
[INFO] [stdout] test src/conway_wechsler.rs - conway_wechsler::power_of_ten (line 197) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02d170d54dbd89267f8f52555eed605661c104b508afdc26a778503decd342e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d170d54dbd89267f8f52555eed605661c104b508afdc26a778503decd342e1", kill_on_drop: false }`
[INFO] [stdout] 02d170d54dbd89267f8f52555eed605661c104b508afdc26a778503decd342e1