[INFO] updating cached repository Addisonbean/Ishido
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Addisonbean/Ishido
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Addisonbean/Ishido" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/Addisonbean/Ishido"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/Addisonbean/Ishido'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Addisonbean/Ishido" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/Addisonbean/Ishido"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/Addisonbean/Ishido'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21db9a6c84fe91e04333f00082336f6d175a2e88
[INFO] sha for GitHub repo Addisonbean/Ishido: 21db9a6c84fe91e04333f00082336f6d175a2e88
[INFO] validating manifest of Addisonbean/Ishido on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Addisonbean/Ishido on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Addisonbean/Ishido
[INFO] finished frobbing Addisonbean/Ishido
[INFO] frobbed toml for Addisonbean/Ishido written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/Addisonbean/Ishido/Cargo.toml
[INFO] started frobbing Addisonbean/Ishido
[INFO] finished frobbing Addisonbean/Ishido
[INFO] frobbed toml for Addisonbean/Ishido written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/Addisonbean/Ishido/Cargo.toml
[INFO] crate Addisonbean/Ishido already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Addisonbean/Ishido against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/Addisonbean/Ishido:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ade47018d0ac09b48f60a9e323cd21f0fc5dd2c56e1b13838dadc52bb21ded4c
[INFO] running `"docker" "start" "-a" "ade47018d0ac09b48f60a9e323cd21f0fc5dd2c56e1b13838dadc52bb21ded4c"`
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking cursive v0.7.5
[INFO] [stderr]     Checking ishido v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/board.rs:205:21
[INFO] [stderr]     |
[INFO] [stderr] 205 | /                     self.place_stone()
[INFO] [stderr] 206 | |                         .map(|game_over| self.game_over = game_over);
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/board.rs:205:21
[INFO] [stderr]     |
[INFO] [stderr] 205 | /                     self.place_stone()
[INFO] [stderr] 206 | |                         .map(|game_over| self.game_over = game_over);
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.73s
[INFO] running `"docker" "inspect" "ade47018d0ac09b48f60a9e323cd21f0fc5dd2c56e1b13838dadc52bb21ded4c"`
[INFO] running `"docker" "rm" "-f" "ade47018d0ac09b48f60a9e323cd21f0fc5dd2c56e1b13838dadc52bb21ded4c"`
[INFO] [stdout] ade47018d0ac09b48f60a9e323cd21f0fc5dd2c56e1b13838dadc52bb21ded4c