Dec 19 16:25:00.286 INFO checking grahame/dividebatur2 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:25:00.286 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/grahame/dividebatur2:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:25:00.685 INFO [stdout] 4a051b031e22556c0990601a257828253da81a8eb7f74cb93f3af43c064dd6a2
Dec 19 16:25:00.690 INFO running `"docker" "start" "-a" "4a051b031e22556c0990601a257828253da81a8eb7f74cb93f3af43c064dd6a2"`
Dec 19 16:25:01.500 INFO [stderr]     Checking num-complex v0.1.42
Dec 19 16:25:01.500 INFO [stderr]     Checking num-bigint v0.1.43
Dec 19 16:25:03.392 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 16:25:03.977 INFO [stderr]     Checking num v0.1.42
Dec 19 16:25:04.217 INFO [stderr]     Checking dividebatur v0.2.1 (/opt/crater/workdir)
Dec 19 16:25:04.988 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 16:25:04.989 INFO [stderr]   --> src/aec/data/candidates.rs:67:8
Dec 19 16:25:04.992 INFO [stderr]    |
Dec 19 16:25:04.992 INFO [stderr] 67 |     Ok((rows))
Dec 19 16:25:04.992 INFO [stderr]    |        ^^^^^^ help: remove these parentheses
Dec 19 16:25:04.992 INFO [stderr]    |
Dec 19 16:25:04.992 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 16:25:04.992 INFO [stderr] 
Dec 19 16:25:05.073 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 16:25:05.073 INFO [stderr]   --> src/aec/data/candidates.rs:67:8
Dec 19 16:25:05.073 INFO [stderr]    |
Dec 19 16:25:05.073 INFO [stderr] 67 |     Ok((rows))
Dec 19 16:25:05.073 INFO [stderr]    |        ^^^^^^ help: remove these parentheses
Dec 19 16:25:05.073 INFO [stderr]    |
Dec 19 16:25:05.073 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 16:25:05.073 INFO [stderr] 
Dec 19 16:25:07.096 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 16:25:07.096 INFO [stderr]   --> src/aec/data/candidates.rs:67:8
Dec 19 16:25:07.096 INFO [stderr]    |
Dec 19 16:25:07.096 INFO [stderr] 67 |     Ok((rows))
Dec 19 16:25:07.096 INFO [stderr]    |        ^^^^^^ help: remove these parentheses
Dec 19 16:25:07.096 INFO [stderr]    |
Dec 19 16:25:07.096 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 16:25:07.096 INFO [stderr] 
Dec 19 16:25:07.120 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 16:25:07.120 INFO [stderr]   --> src/aec/data/candidates.rs:67:8
Dec 19 16:25:07.120 INFO [stderr]    |
Dec 19 16:25:07.120 INFO [stderr] 67 |     Ok((rows))
Dec 19 16:25:07.120 INFO [stderr]    |        ^^^^^^ help: remove these parentheses
Dec 19 16:25:07.120 INFO [stderr]    |
Dec 19 16:25:07.120 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 16:25:07.120 INFO [stderr] 
Dec 19 16:25:08.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
Dec 19 16:25:09.062 INFO running `"docker" "inspect" "4a051b031e22556c0990601a257828253da81a8eb7f74cb93f3af43c064dd6a2"`
Dec 19 16:25:09.176 INFO running `"docker" "rm" "-f" "4a051b031e22556c0990601a257828253da81a8eb7f74cb93f3af43c064dd6a2"`
Dec 19 16:25:09.300 INFO [stdout] 4a051b031e22556c0990601a257828253da81a8eb7f74cb93f3af43c064dd6a2