Dec 18 08:04:08.500 INFO checking Cyclic3/primefinder against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:04:08.500 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Cyclic3/primefinder:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:04:08.792 INFO [stdout] f7906bfe24dbfc3c43d2ebe2e288006d2745d2e27df2cc99a8b1ef1aa9e17fc3
Dec 18 08:04:08.795 INFO running `"docker" "start" "-a" "f7906bfe24dbfc3c43d2ebe2e288006d2745d2e27df2cc99a8b1ef1aa9e17fc3"`
Dec 18 08:04:10.198 INFO [stderr]     Checking primefinder v0.1.0 (/opt/crater/workdir)
Dec 18 08:04:10.480 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:04:10.480 INFO [stderr]   --> src/main.rs:17:9
Dec 18 08:04:10.480 INFO [stderr]    |
Dec 18 08:04:10.480 INFO [stderr] 17 |     let mut n = match BigNum::from_dec_str(&n) { Ok(bn) => bn, _ => { println!("Bad number: {}", n); return }};
Dec 18 08:04:10.480 INFO [stderr]    |         ----^
Dec 18 08:04:10.480 INFO [stderr]    |         |
Dec 18 08:04:10.480 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:04:10.480 INFO [stderr]    |
Dec 18 08:04:10.480 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:04:10.480 INFO [stderr] 
Dec 18 08:04:10.508 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:04:10.508 INFO [stderr]   --> src/main.rs:17:9
Dec 18 08:04:10.508 INFO [stderr]    |
Dec 18 08:04:10.508 INFO [stderr] 17 |     let mut n = match BigNum::from_dec_str(&n) { Ok(bn) => bn, _ => { println!("Bad number: {}", n); return }};
Dec 18 08:04:10.508 INFO [stderr]    |         ----^
Dec 18 08:04:10.508 INFO [stderr]    |         |
Dec 18 08:04:10.508 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:04:10.508 INFO [stderr]    |
Dec 18 08:04:10.508 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:04:10.508 INFO [stderr] 
Dec 18 08:04:10.534 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 18 08:04:10.834 INFO running `"docker" "inspect" "f7906bfe24dbfc3c43d2ebe2e288006d2745d2e27df2cc99a8b1ef1aa9e17fc3"`
Dec 18 08:04:10.975 INFO running `"docker" "rm" "-f" "f7906bfe24dbfc3c43d2ebe2e288006d2745d2e27df2cc99a8b1ef1aa9e17fc3"`
Dec 18 08:04:11.120 INFO [stdout] f7906bfe24dbfc3c43d2ebe2e288006d2745d2e27df2cc99a8b1ef1aa9e17fc3