[INFO] cloning repository https://github.com/ahuff44/rust-tictactoe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahuff44/rust-tictactoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahuff44%2Frust-tictactoe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahuff44%2Frust-tictactoe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 467cdcbc1deadaf0f7d5da0aba96d60a2ae44eb2
[INFO] checking ahuff44/rust-tictactoe against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahuff44%2Frust-tictactoe" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahuff44/rust-tictactoe on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ahuff44/rust-tictactoe
[INFO] finished tweaking git repo https://github.com/ahuff44/rust-tictactoe
[INFO] tweaked toml for git repo https://github.com/ahuff44/rust-tictactoe written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ahuff44/rust-tictactoe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", 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] 76f6ce6af12bb6e264ea1257cc1690d4b4d36536e9e84a0a76d31537264aea41
[INFO] running `Command { std: "docker" "start" "-a" "76f6ce6af12bb6e264ea1257cc1690d4b4d36536e9e84a0a76d31537264aea41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76f6ce6af12bb6e264ea1257cc1690d4b4d36536e9e84a0a76d31537264aea41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f6ce6af12bb6e264ea1257cc1690d4b4d36536e9e84a0a76d31537264aea41", kill_on_drop: false }`
[INFO] [stdout] 76f6ce6af12bb6e264ea1257cc1690d4b4d36536e9e84a0a76d31537264aea41
[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=forbid" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 68089b4f293ac8d249aebf19f8056d3c35ef2bf7a7fd1a765818879ac797a386
[INFO] running `Command { std: "docker" "start" "-a" "68089b4f293ac8d249aebf19f8056d3c35ef2bf7a7fd1a765818879ac797a386", kill_on_drop: false }`
[INFO] [stderr]     Checking tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `O` in this scope
[INFO] [stdout]    --> src/lib.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |     assert_eq!(Some(O), board.winner());
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: a tuple variant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 180 |     assert_eq!(Some(Ok), board.winner());
[INFO] [stdout]     |                     ^^
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 151 |   use Mark::O;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tictactoe`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "68089b4f293ac8d249aebf19f8056d3c35ef2bf7a7fd1a765818879ac797a386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68089b4f293ac8d249aebf19f8056d3c35ef2bf7a7fd1a765818879ac797a386", kill_on_drop: false }`
[INFO] [stdout] 68089b4f293ac8d249aebf19f8056d3c35ef2bf7a7fd1a765818879ac797a386