[INFO] updating cached repository dmit/riichi-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dmit/riichi-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dmit/riichi-rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dmit/riichi-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dmit/riichi-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dmit/riichi-rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dmit/riichi-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dmit/riichi-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a3a4b569466bb601426ba53dad70efcf20824844
[INFO] sha for GitHub repo dmit/riichi-rs: a3a4b569466bb601426ba53dad70efcf20824844
[INFO] validating manifest of dmit/riichi-rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dmit/riichi-rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dmit/riichi-rs
[INFO] finished frobbing dmit/riichi-rs
[INFO] frobbed toml for dmit/riichi-rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dmit/riichi-rs/Cargo.toml
[INFO] started frobbing dmit/riichi-rs
[INFO] finished frobbing dmit/riichi-rs
[INFO] frobbed toml for dmit/riichi-rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dmit/riichi-rs/Cargo.toml
[INFO] crate dmit/riichi-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dmit/riichi-rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dmit/riichi-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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1962f1bcdb07367b853bc89f8b38900f866a7f30d36c4e27072da262f5b92fa5
[INFO] running `"docker" "start" "-a" "1962f1bcdb07367b853bc89f8b38900f866a7f30d36c4e27072da262f5b92fa5"`
[INFO] [stderr]     Checking riichi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `groups`
[INFO] [stderr]    --> src/tile.rs:301:13
[INFO] [stderr]     |
[INFO] [stderr] 301 |         let groups = self.groups();
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_groups`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `groups`
[INFO] [stderr]    --> src/tile.rs:301:13
[INFO] [stderr]     |
[INFO] [stderr] 301 |         let groups = self.groups();
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_groups`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `same_type`
[INFO] [stderr]    --> src/tile.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn same_type(a: Tile, b: Tile) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Chi`
[INFO] [stderr]    --> src/tile.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     Chi,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pon`
[INFO] [stderr]    --> src/tile.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     Pon,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Kan`
[INFO] [stderr]    --> src/tile.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     Kan,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `group_type`
[INFO] [stderr]    --> src/tile.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     fn group_type(tiles: &[Tile]) -> Option<Group> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `same_type`
[INFO] [stderr]    --> src/tile.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn same_type(a: Tile, b: Tile) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Chi`
[INFO] [stderr]    --> src/tile.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     Chi,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pon`
[INFO] [stderr]    --> src/tile.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     Pon,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Kan`
[INFO] [stderr]    --> src/tile.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     Kan,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `group_type`
[INFO] [stderr]    --> src/tile.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     fn group_type(tiles: &[Tile]) -> Option<Group> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "1962f1bcdb07367b853bc89f8b38900f866a7f30d36c4e27072da262f5b92fa5"`
[INFO] running `"docker" "rm" "-f" "1962f1bcdb07367b853bc89f8b38900f866a7f30d36c4e27072da262f5b92fa5"`
[INFO] [stdout] 1962f1bcdb07367b853bc89f8b38900f866a7f30d36c4e27072da262f5b92fa5