[INFO] updating cached repository ahuff44/rust-tictactoe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ahuff44/rust-tictactoe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ahuff44/rust-tictactoe" "work/ex/beta-1.38-1/sources/1.37.0/gh/ahuff44/rust-tictactoe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ahuff44/rust-tictactoe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahuff44/rust-tictactoe" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ahuff44/rust-tictactoe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ahuff44/rust-tictactoe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 467cdcbc1deadaf0f7d5da0aba96d60a2ae44eb2
[INFO] sha for GitHub repo ahuff44/rust-tictactoe: 467cdcbc1deadaf0f7d5da0aba96d60a2ae44eb2
[INFO] validating manifest of ahuff44/rust-tictactoe on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ahuff44/rust-tictactoe on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ahuff44/rust-tictactoe
[INFO] finished frobbing ahuff44/rust-tictactoe
[INFO] frobbed toml for ahuff44/rust-tictactoe written to work/ex/beta-1.38-1/sources/1.37.0/gh/ahuff44/rust-tictactoe/Cargo.toml
[INFO] started frobbing ahuff44/rust-tictactoe
[INFO] finished frobbing ahuff44/rust-tictactoe
[INFO] frobbed toml for ahuff44/rust-tictactoe written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ahuff44/rust-tictactoe/Cargo.toml
[INFO] crate ahuff44/rust-tictactoe already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ahuff44/rust-tictactoe against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ahuff44/rust-tictactoe:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c065f038487461dcaf23b215ecd07affc33fd0cb317741876264a4ae3601893d
[INFO] running `"docker" "start" "-a" "c065f038487461dcaf23b215ecd07affc33fd0cb317741876264a4ae3601893d"`
[INFO] [stderr]    Compiling tictactoe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "c065f038487461dcaf23b215ecd07affc33fd0cb317741876264a4ae3601893d"`
[INFO] running `"docker" "rm" "-f" "c065f038487461dcaf23b215ecd07affc33fd0cb317741876264a4ae3601893d"`
[INFO] [stdout] c065f038487461dcaf23b215ecd07affc33fd0cb317741876264a4ae3601893d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ahuff44/rust-tictactoe:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0dfeceaa722de2fa7f580fac8faeebd291711888dd791bb14c5c0f8bb6588c4c
[INFO] running `"docker" "start" "-a" "0dfeceaa722de2fa7f580fac8faeebd291711888dd791bb14c5c0f8bb6588c4c"`
[INFO] [stderr]    Compiling tictactoe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find value `O` in this scope
[INFO] [stderr]    --> src/lib.rs:180:21
[INFO] [stderr]     |
[INFO] [stderr] 180 |     assert_eq!(Some(O), board.winner());
[INFO] [stderr]     |                     ^
[INFO] [stderr] help: a tuple variant with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 180 |     assert_eq!(Some(Ok), board.winner());
[INFO] [stderr]     |                     ^^
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 151 |   use Mark::O;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `tictactoe`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0dfeceaa722de2fa7f580fac8faeebd291711888dd791bb14c5c0f8bb6588c4c"`
[INFO] running `"docker" "rm" "-f" "0dfeceaa722de2fa7f580fac8faeebd291711888dd791bb14c5c0f8bb6588c4c"`
[INFO] [stdout] 0dfeceaa722de2fa7f580fac8faeebd291711888dd791bb14c5c0f8bb6588c4c