[INFO] updating cached repository Ethan826/connect-four
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ethan826/connect-four
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ethan826/connect-four" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Ethan826/connect-four"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Ethan826/connect-four'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ethan826/connect-four" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Ethan826/connect-four"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Ethan826/connect-four'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7b9d0c6cb18e9fadd618d65080e310494e567c5
[INFO] sha for GitHub repo Ethan826/connect-four: e7b9d0c6cb18e9fadd618d65080e310494e567c5
[INFO] validating manifest of Ethan826/connect-four on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Ethan826/connect-four on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Ethan826/connect-four
[INFO] finished frobbing Ethan826/connect-four
[INFO] frobbed toml for Ethan826/connect-four written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Ethan826/connect-four/Cargo.toml
[INFO] started frobbing Ethan826/connect-four
[INFO] finished frobbing Ethan826/connect-four
[INFO] frobbed toml for Ethan826/connect-four written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Ethan826/connect-four/Cargo.toml
[INFO] crate Ethan826/connect-four already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Ethan826/connect-four against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-2/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Ethan826/connect-four:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 40393a71f8a9750a921c171f04bd0dd751b1c29b1a6cc36f742a002c98c62e74
[INFO] running `"docker" "start" "-a" "40393a71f8a9750a921c171f04bd0dd751b1c29b1a6cc36f742a002c98c62e74"`
[INFO] [stderr]     Checking connect_four v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `longest_runs`
[INFO] [stderr]    --> src/game.rs:128:37
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn score_incomplete_game(&self, longest_runs: &LongestRuns) -> isize {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_longest_runs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `longest_runs`
[INFO] [stderr]    --> src/game.rs:128:37
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn score_incomplete_game(&self, longest_runs: &LongestRuns) -> isize {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_longest_runs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "40393a71f8a9750a921c171f04bd0dd751b1c29b1a6cc36f742a002c98c62e74"`
[INFO] running `"docker" "rm" "-f" "40393a71f8a9750a921c171f04bd0dd751b1c29b1a6cc36f742a002c98c62e74"`
[INFO] [stdout] 40393a71f8a9750a921c171f04bd0dd751b1c29b1a6cc36f742a002c98c62e74