Dec 18 12:22:12.677 INFO checking restricted-tuple-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:22:12.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/restricted-tuple/0.1.0:/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 12:22:13.168 INFO [stdout] ad93f5d549f18a8ffd6779c5803ed737d5a14c945a6deeea6fe779fdbbfa77ce
Dec 18 12:22:13.180 INFO running `"docker" "start" "-a" "ad93f5d549f18a8ffd6779c5803ed737d5a14c945a6deeea6fe779fdbbfa77ce"`
Dec 18 12:22:14.612 INFO [stderr]     Checking num-bigint v0.1.44
Dec 18 12:22:16.116 INFO [stderr]     Checking integral-exponential-polynomial v0.1.2
Dec 18 12:22:16.392 INFO [stderr]     Checking restricted-tuple v0.1.0 (/opt/crater/workdir)
Dec 18 12:22:16.779 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:22:16.779 INFO [stderr]    --> src/lib.rs:213:17
Dec 18 12:22:16.779 INFO [stderr]     |
Dec 18 12:22:16.779 INFO [stderr] 213 |             let mut cache_line = &mut self.cache[mask];
Dec 18 12:22:16.779 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 18 12:22:16.779 INFO [stderr]     |                 |
Dec 18 12:22:16.779 INFO [stderr]     |                 help: remove this `mut`
Dec 18 12:22:16.779 INFO [stderr]     |
Dec 18 12:22:16.779 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 12:22:16.779 INFO [stderr] 
Dec 18 12:22:16.779 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:22:16.779 INFO [stderr]    --> src/lib.rs:213:17
Dec 18 12:22:16.779 INFO [stderr]     |
Dec 18 12:22:16.779 INFO [stderr] 213 |             let mut cache_line = &mut self.cache[mask];
Dec 18 12:22:16.779 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 18 12:22:16.779 INFO [stderr]     |                 |
Dec 18 12:22:16.779 INFO [stderr]     |                 help: remove this `mut`
Dec 18 12:22:16.779 INFO [stderr] 
Dec 18 12:22:16.785 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:22:16.785 INFO [stderr]    --> src/lib.rs:276:21
Dec 18 12:22:16.785 INFO [stderr]     |
Dec 18 12:22:16.785 INFO [stderr] 276 |                 let mut item = &mut self.next_state[cur];
Dec 18 12:22:16.785 INFO [stderr]     |                     ----^^^^
Dec 18 12:22:16.785 INFO [stderr]     |                     |
Dec 18 12:22:16.785 INFO [stderr]     |                     help: remove this `mut`
Dec 18 12:22:16.785 INFO [stderr] 
Dec 18 12:22:16.785 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:22:16.785 INFO [stderr]    --> src/lib.rs:298:21
Dec 18 12:22:16.785 INFO [stderr]     |
Dec 18 12:22:16.785 INFO [stderr] 298 |                 let mut item = &mut self.next_state[0];
Dec 18 12:22:16.785 INFO [stderr]     |                     ----^^^^
Dec 18 12:22:16.785 INFO [stderr]     |                     |
Dec 18 12:22:16.785 INFO [stderr]     |                     help: remove this `mut`
Dec 18 12:22:16.785 INFO [stderr] 
Dec 18 12:22:16.868 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:22:16.868 INFO [stderr]    --> src/lib.rs:213:17
Dec 18 12:22:16.868 INFO [stderr]     |
Dec 18 12:22:16.868 INFO [stderr] 213 |             let mut cache_line = &mut self.cache[mask];
Dec 18 12:22:16.868 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 18 12:22:16.868 INFO [stderr]     |                 |
Dec 18 12:22:16.868 INFO [stderr]     |                 help: remove this `mut`
Dec 18 12:22:16.868 INFO [stderr]     |
Dec 18 12:22:16.868 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 12:22:16.868 INFO [stderr] 
Dec 18 12:22:16.868 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:22:16.868 INFO [stderr]    --> src/lib.rs:213:17
Dec 18 12:22:16.868 INFO [stderr]     |
Dec 18 12:22:16.868 INFO [stderr] 213 |             let mut cache_line = &mut self.cache[mask];
Dec 18 12:22:16.868 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 18 12:22:16.868 INFO [stderr]     |                 |
Dec 18 12:22:16.868 INFO [stderr]     |                 help: remove this `mut`
Dec 18 12:22:16.868 INFO [stderr] 
Dec 18 12:22:16.869 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:22:16.869 INFO [stderr]    --> src/lib.rs:276:21
Dec 18 12:22:16.869 INFO [stderr]     |
Dec 18 12:22:16.869 INFO [stderr] 276 |                 let mut item = &mut self.next_state[cur];
Dec 18 12:22:16.869 INFO [stderr]     |                     ----^^^^
Dec 18 12:22:16.869 INFO [stderr]     |                     |
Dec 18 12:22:16.869 INFO [stderr]     |                     help: remove this `mut`
Dec 18 12:22:16.869 INFO [stderr] 
Dec 18 12:22:16.869 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:22:16.869 INFO [stderr]    --> src/lib.rs:298:21
Dec 18 12:22:16.869 INFO [stderr]     |
Dec 18 12:22:16.869 INFO [stderr] 298 |                 let mut item = &mut self.next_state[0];
Dec 18 12:22:16.869 INFO [stderr]     |                     ----^^^^
Dec 18 12:22:16.869 INFO [stderr]     |                     |
Dec 18 12:22:16.869 INFO [stderr]     |                     help: remove this `mut`
Dec 18 12:22:16.869 INFO [stderr] 
Dec 18 12:22:16.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 18 12:22:17.130 INFO running `"docker" "inspect" "ad93f5d549f18a8ffd6779c5803ed737d5a14c945a6deeea6fe779fdbbfa77ce"`
Dec 18 12:22:17.240 INFO running `"docker" "rm" "-f" "ad93f5d549f18a8ffd6779c5803ed737d5a14c945a6deeea6fe779fdbbfa77ce"`
Dec 18 12:22:17.313 INFO [stdout] ad93f5d549f18a8ffd6779c5803ed737d5a14c945a6deeea6fe779fdbbfa77ce