Dec 18 13:20:28.529 INFO checking orset-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:20:28.529 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/orset/0.2.0:/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 13:20:28.808 INFO [stdout] c9896597379eb37bd9d4aa1c13a8d373213e5851dcec3bc2eab50c48d11fc565
Dec 18 13:20:28.810 INFO running `"docker" "start" "-a" "c9896597379eb37bd9d4aa1c13a8d373213e5851dcec3bc2eab50c48d11fc565"`
Dec 18 13:20:29.659 INFO [stderr]     Checking orset v0.2.0 (/opt/crater/workdir)
Dec 18 13:20:30.187 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:20:30.187 INFO [stderr]   --> src/lib.rs:77:13
Dec 18 13:20:30.187 INFO [stderr]    |
Dec 18 13:20:30.187 INFO [stderr] 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Dec 18 13:20:30.187 INFO [stderr]    |             ----^^^^
Dec 18 13:20:30.187 INFO [stderr]    |             |
Dec 18 13:20:30.187 INFO [stderr]    |             help: remove this `mut`
Dec 18 13:20:30.188 INFO [stderr]    |
Dec 18 13:20:30.188 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 13:20:30.188 INFO [stderr] 
Dec 18 13:20:30.188 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:20:30.188 INFO [stderr]   --> src/lib.rs:89:13
Dec 18 13:20:30.188 INFO [stderr]    |
Dec 18 13:20:30.188 INFO [stderr] 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Dec 18 13:20:30.188 INFO [stderr]    |             ----^^^^^^^
Dec 18 13:20:30.188 INFO [stderr]    |             |
Dec 18 13:20:30.217 INFO [stderr]    |             help: remove this `mut`
Dec 18 13:20:30.217 INFO [stderr] 
Dec 18 13:20:30.217 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:20:30.217 INFO [stderr]   --> src/lib.rs:90:13
Dec 18 13:20:30.217 INFO [stderr]    |
Dec 18 13:20:30.217 INFO [stderr] 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Dec 18 13:20:30.217 INFO [stderr]    |             ----^^^^
Dec 18 13:20:30.217 INFO [stderr]    |             |
Dec 18 13:20:30.217 INFO [stderr]    |             help: remove this `mut`
Dec 18 13:20:30.217 INFO [stderr] 
Dec 18 13:20:30.459 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:20:30.459 INFO [stderr]   --> src/lib.rs:77:13
Dec 18 13:20:30.459 INFO [stderr]    |
Dec 18 13:20:30.459 INFO [stderr] 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Dec 18 13:20:30.459 INFO [stderr]    |             ----^^^^
Dec 18 13:20:30.459 INFO [stderr]    |             |
Dec 18 13:20:30.459 INFO [stderr]    |             help: remove this `mut`
Dec 18 13:20:30.459 INFO [stderr]    |
Dec 18 13:20:30.459 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 13:20:30.459 INFO [stderr] 
Dec 18 13:20:30.463 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:20:30.464 INFO [stderr]   --> src/lib.rs:89:13
Dec 18 13:20:30.464 INFO [stderr]    |
Dec 18 13:20:30.464 INFO [stderr] 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Dec 18 13:20:30.464 INFO [stderr]    |             ----^^^^^^^
Dec 18 13:20:30.464 INFO [stderr]    |             |
Dec 18 13:20:30.464 INFO [stderr]    |             help: remove this `mut`
Dec 18 13:20:30.464 INFO [stderr] 
Dec 18 13:20:30.464 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:20:30.464 INFO [stderr]   --> src/lib.rs:90:13
Dec 18 13:20:30.464 INFO [stderr]    |
Dec 18 13:20:30.464 INFO [stderr] 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Dec 18 13:20:30.464 INFO [stderr]    |             ----^^^^
Dec 18 13:20:30.464 INFO [stderr]    |             |
Dec 18 13:20:30.464 INFO [stderr]    |             help: remove this `mut`
Dec 18 13:20:30.464 INFO [stderr] 
Dec 18 13:20:30.518 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:20:30.518 INFO [stderr]    --> src/lib.rs:517:13
Dec 18 13:20:30.518 INFO [stderr]     |
Dec 18 13:20:30.519 INFO [stderr] 517 |         let mut orset =
Dec 18 13:20:30.519 INFO [stderr]     |             ----^^^^^
Dec 18 13:20:30.519 INFO [stderr]     |             |
Dec 18 13:20:30.519 INFO [stderr]     |             help: remove this `mut`
Dec 18 13:20:30.519 INFO [stderr] 
Dec 18 13:20:30.519 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:20:30.519 INFO [stderr]    --> src/lib.rs:520:13
Dec 18 13:20:30.519 INFO [stderr]     |
Dec 18 13:20:30.519 INFO [stderr] 520 |         let mut mutator = mutators.entry(node).or_insert(Vec::new());
Dec 18 13:20:30.519 INFO [stderr]     |             ----^^^^^^^
Dec 18 13:20:30.519 INFO [stderr]     |             |
Dec 18 13:20:30.519 INFO [stderr]     |             help: remove this `mut`
Dec 18 13:20:30.519 INFO [stderr] 
Dec 18 13:20:30.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 18 13:20:30.826 INFO running `"docker" "inspect" "c9896597379eb37bd9d4aa1c13a8d373213e5851dcec3bc2eab50c48d11fc565"`
Dec 18 13:20:30.898 INFO running `"docker" "rm" "-f" "c9896597379eb37bd9d4aa1c13a8d373213e5851dcec3bc2eab50c48d11fc565"`
Dec 18 13:20:30.994 INFO [stdout] c9896597379eb37bd9d4aa1c13a8d373213e5851dcec3bc2eab50c48d11fc565