[INFO] updating cached repository ashfordneil/2048-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashfordneil/2048-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/2048-rust" "work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/ashfordneil/2048-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/ashfordneil/2048-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/2048-rust" "work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/ashfordneil/2048-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/ashfordneil/2048-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4346ff7de1ea7d8622510199de6e8d4992d3350f
[INFO] sha for GitHub repo ashfordneil/2048-rust: 4346ff7de1ea7d8622510199de6e8d4992d3350f
[INFO] validating manifest of ashfordneil/2048-rust on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashfordneil/2048-rust on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ashfordneil/2048-rust
[INFO] finished frobbing ashfordneil/2048-rust
[INFO] frobbed toml for ashfordneil/2048-rust written to work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/ashfordneil/2048-rust/Cargo.toml
[INFO] started frobbing ashfordneil/2048-rust
[INFO] finished frobbing ashfordneil/2048-rust
[INFO] frobbed toml for ashfordneil/2048-rust written to work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/ashfordneil/2048-rust/Cargo.toml
[INFO] crate ashfordneil/2048-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ashfordneil/2048-rust against try#26f8d250bb3c8a85e812cf663c730ef9e0df9315 for pr-57609
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57609/worker-2/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/ashfordneil/2048-rust:/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" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 69c9c11af2abc00f96fc32d2fc17d592abf662e14acbb751c2704b27c32b0c29
[INFO] running `"docker" "start" "-a" "69c9c11af2abc00f96fc32d2fc17d592abf662e14acbb751c2704b27c32b0c29"`
[INFO] [stderr]     Checking itertools v0.5.8
[INFO] [stderr]     Checking termion v1.1.4
[INFO] [stderr]     Checking 2048 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/board.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |                       Digit(Some((((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
[INFO] [stderr]    |  ________________________________^
[INFO] [stderr] 71 | |                                   2) as u8))));
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     Digit(Some(((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
[INFO] [stderr] 71 |                                   2) as u8)));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/board.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |                       Digit(Some((((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
[INFO] [stderr]    |  ________________________________^
[INFO] [stderr] 71 | |                                   2) as u8))));
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     Digit(Some(((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
[INFO] [stderr] 71 |                                   2) as u8)));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "69c9c11af2abc00f96fc32d2fc17d592abf662e14acbb751c2704b27c32b0c29"`
[INFO] running `"docker" "rm" "-f" "69c9c11af2abc00f96fc32d2fc17d592abf662e14acbb751c2704b27c32b0c29"`
[INFO] [stdout] 69c9c11af2abc00f96fc32d2fc17d592abf662e14acbb751c2704b27c32b0c29