[INFO] fetching crate googology 0.1.0...
[INFO] testing googology-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate googology 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate googology 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate googology 0.1.0
[INFO] finished tweaking crates.io crate googology 0.1.0
[INFO] tweaked toml for crates.io crate googology 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b36b2ba3b7e5a7938b73a51afba92cd014a98a7fd7a3a9e4afd14d2eafb9eef7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b36b2ba3b7e5a7938b73a51afba92cd014a98a7fd7a3a9e4afd14d2eafb9eef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b36b2ba3b7e5a7938b73a51afba92cd014a98a7fd7a3a9e4afd14d2eafb9eef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36b2ba3b7e5a7938b73a51afba92cd014a98a7fd7a3a9e4afd14d2eafb9eef7", kill_on_drop: false }`
[INFO] [stdout] b36b2ba3b7e5a7938b73a51afba92cd014a98a7fd7a3a9e4afd14d2eafb9eef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 003112e50c7e08b83cb69926c60f5fe600eb5b4f5c215aab3f2d96e6c7595eeb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "003112e50c7e08b83cb69926c60f5fe600eb5b4f5c215aab3f2d96e6c7595eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling googology v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "003112e50c7e08b83cb69926c60f5fe600eb5b4f5c215aab3f2d96e6c7595eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003112e50c7e08b83cb69926c60f5fe600eb5b4f5c215aab3f2d96e6c7595eeb", kill_on_drop: false }`
[INFO] [stdout] 003112e50c7e08b83cb69926c60f5fe600eb5b4f5c215aab3f2d96e6c7595eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cf9bbccfa5d4043386458b8190527bc3525c4dfaa4476c2b6abc3e81b1dbd5b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8cf9bbccfa5d4043386458b8190527bc3525c4dfaa4476c2b6abc3e81b1dbd5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling googology v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "8cf9bbccfa5d4043386458b8190527bc3525c4dfaa4476c2b6abc3e81b1dbd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf9bbccfa5d4043386458b8190527bc3525c4dfaa4476c2b6abc3e81b1dbd5b", kill_on_drop: false }`
[INFO] [stdout] 8cf9bbccfa5d4043386458b8190527bc3525c4dfaa4476c2b6abc3e81b1dbd5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a08fc8740a62e77e5b10385a6ae566e22379ec8c070f11f9548b3daf8a91bb9
[INFO] running `Command { std: "docker" "start" "-a" "8a08fc8740a62e77e5b10385a6ae566e22379ec8c070f11f9548b3daf8a91bb9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/googology-954e371732953722
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests googology
[INFO] [stdout] running 4 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::small_numbers ... ok
[INFO] [stdout] test conway_wechsler::tests::very_small_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/conway_wechsler.rs - conway_wechsler::power_of_ten (line 279) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a08fc8740a62e77e5b10385a6ae566e22379ec8c070f11f9548b3daf8a91bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a08fc8740a62e77e5b10385a6ae566e22379ec8c070f11f9548b3daf8a91bb9", kill_on_drop: false }`
[INFO] [stdout] 8a08fc8740a62e77e5b10385a6ae566e22379ec8c070f11f9548b3daf8a91bb9