[INFO] updating cached repository phillyai/tic-tac-toe-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phillyai/tic-tac-toe-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phillyai/tic-tac-toe-rs" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/phillyai/tic-tac-toe-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/phillyai/tic-tac-toe-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phillyai/tic-tac-toe-rs" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/phillyai/tic-tac-toe-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/phillyai/tic-tac-toe-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25d0d75e18794ac85a307ecad2e9f91d20b7f66c
[INFO] sha for GitHub repo phillyai/tic-tac-toe-rs: 25d0d75e18794ac85a307ecad2e9f91d20b7f66c
[INFO] validating manifest of phillyai/tic-tac-toe-rs on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phillyai/tic-tac-toe-rs on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing phillyai/tic-tac-toe-rs
[INFO] finished frobbing phillyai/tic-tac-toe-rs
[INFO] frobbed toml for phillyai/tic-tac-toe-rs written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/phillyai/tic-tac-toe-rs/Cargo.toml
[INFO] started frobbing phillyai/tic-tac-toe-rs
[INFO] finished frobbing phillyai/tic-tac-toe-rs
[INFO] frobbed toml for phillyai/tic-tac-toe-rs written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/phillyai/tic-tac-toe-rs/Cargo.toml
[INFO] crate phillyai/tic-tac-toe-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking phillyai/tic-tac-toe-rs against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-1/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/phillyai/tic-tac-toe-rs:/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=forbid" "-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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e1ad4f1d4f1b0182983030722beb144bbd0d95eae0b72bf9a9882b6c8ad1fb71
[INFO] running `"docker" "start" "-a" "e1ad4f1d4f1b0182983030722beb144bbd0d95eae0b72bf9a9882b6c8ad1fb71"`
[INFO] [stderr]     Checking tic-tac-toe-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/main.rs:32:38
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     Some(w) => match (w) {
[INFO] [stderr]    |                                      ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/main.rs:32:38
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     Some(w) => match (w) {
[INFO] [stderr]    |                                      ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]    --> src/main.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | enum Direction {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]    --> src/main.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | enum Direction {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "e1ad4f1d4f1b0182983030722beb144bbd0d95eae0b72bf9a9882b6c8ad1fb71"`
[INFO] running `"docker" "rm" "-f" "e1ad4f1d4f1b0182983030722beb144bbd0d95eae0b72bf9a9882b6c8ad1fb71"`
[INFO] [stdout] e1ad4f1d4f1b0182983030722beb144bbd0d95eae0b72bf9a9882b6c8ad1fb71