Dec 12 10:30:20.165 INFO checking orset-0.2.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 10:30:20.165 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 10:30:20.348 INFO [stdout] e9705843a4b5a9d04e455dca689366864bc507b3d231eb0af0f9f73bf94f655b
Dec 12 10:30:20.350 INFO running `"docker" "start" "-a" "e9705843a4b5a9d04e455dca689366864bc507b3d231eb0af0f9f73bf94f655b"`
Dec 12 10:30:20.736 INFO [stderr] usermod: no changes
Dec 12 10:30:20.811 INFO [stderr]     Checking orset v0.2.0 (/source)
Dec 12 10:30:21.760 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:30:21.760 INFO [stderr]   --> src/lib.rs:77:13
Dec 12 10:30:21.760 INFO [stderr]    |
Dec 12 10:30:21.760 INFO [stderr] 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Dec 12 10:30:21.760 INFO [stderr]    |             ----^^^^
Dec 12 10:30:21.760 INFO [stderr]    |             |
Dec 12 10:30:21.760 INFO [stderr]    |             help: remove this `mut`
Dec 12 10:30:21.760 INFO [stderr]    |
Dec 12 10:30:21.760 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 10:30:21.760 INFO [stderr] 
Dec 12 10:30:21.768 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:30:21.768 INFO [stderr]   --> src/lib.rs:89:13
Dec 12 10:30:21.768 INFO [stderr]    |
Dec 12 10:30:21.768 INFO [stderr] 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Dec 12 10:30:21.768 INFO [stderr]    |             ----^^^^^^^
Dec 12 10:30:21.768 INFO [stderr]    |             |
Dec 12 10:30:21.768 INFO [stderr]    |             help: remove this `mut`
Dec 12 10:30:21.768 INFO [stderr] 
Dec 12 10:30:21.768 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:30:21.768 INFO [stderr]   --> src/lib.rs:90:13
Dec 12 10:30:21.768 INFO [stderr]    |
Dec 12 10:30:21.768 INFO [stderr] 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Dec 12 10:30:21.768 INFO [stderr]    |             ----^^^^
Dec 12 10:30:21.768 INFO [stderr]    |             |
Dec 12 10:30:21.768 INFO [stderr]    |             help: remove this `mut`
Dec 12 10:30:21.768 INFO [stderr] 
Dec 12 10:30:23.028 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:30:23.028 INFO [stderr]   --> src/lib.rs:77:13
Dec 12 10:30:23.028 INFO [stderr]    |
Dec 12 10:30:23.028 INFO [stderr] 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Dec 12 10:30:23.028 INFO [stderr]    |             ----^^^^
Dec 12 10:30:23.028 INFO [stderr]    |             |
Dec 12 10:30:23.028 INFO [stderr]    |             help: remove this `mut`
Dec 12 10:30:23.028 INFO [stderr]    |
Dec 12 10:30:23.028 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 10:30:23.028 INFO [stderr] 
Dec 12 10:30:23.028 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:30:23.028 INFO [stderr]   --> src/lib.rs:89:13
Dec 12 10:30:23.028 INFO [stderr]    |
Dec 12 10:30:23.028 INFO [stderr] 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Dec 12 10:30:23.028 INFO [stderr]    |             ----^^^^^^^
Dec 12 10:30:23.028 INFO [stderr]    |             |
Dec 12 10:30:23.028 INFO [stderr]    |             help: remove this `mut`
Dec 12 10:30:23.028 INFO [stderr] 
Dec 12 10:30:23.028 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:30:23.028 INFO [stderr]   --> src/lib.rs:90:13
Dec 12 10:30:23.028 INFO [stderr]    |
Dec 12 10:30:23.028 INFO [stderr] 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Dec 12 10:30:23.029 INFO [stderr]    |             ----^^^^
Dec 12 10:30:23.029 INFO [stderr]    |             |
Dec 12 10:30:23.029 INFO [stderr]    |             help: remove this `mut`
Dec 12 10:30:23.029 INFO [stderr] 
Dec 12 10:30:23.086 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:30:23.086 INFO [stderr]    --> src/lib.rs:517:13
Dec 12 10:30:23.086 INFO [stderr]     |
Dec 12 10:30:23.086 INFO [stderr] 517 |         let mut orset =
Dec 12 10:30:23.086 INFO [stderr]     |             ----^^^^^
Dec 12 10:30:23.086 INFO [stderr]     |             |
Dec 12 10:30:23.086 INFO [stderr]     |             help: remove this `mut`
Dec 12 10:30:23.086 INFO [stderr] 
Dec 12 10:30:23.086 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:30:23.086 INFO [stderr]    --> src/lib.rs:520:13
Dec 12 10:30:23.086 INFO [stderr]     |
Dec 12 10:30:23.086 INFO [stderr] 520 |         let mut mutator = mutators.entry(node).or_insert(Vec::new());
Dec 12 10:30:23.086 INFO [stderr]     |             ----^^^^^^^
Dec 12 10:30:23.086 INFO [stderr]     |             |
Dec 12 10:30:23.086 INFO [stderr]     |             help: remove this `mut`
Dec 12 10:30:23.086 INFO [stderr] 
Dec 12 10:30:23.157 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
Dec 12 10:30:23.164 INFO [stderr] su: No module specific data is present
Dec 12 10:30:23.832 INFO running `"docker" "inspect" "e9705843a4b5a9d04e455dca689366864bc507b3d231eb0af0f9f73bf94f655b"`
Dec 12 10:30:24.227 INFO running `"docker" "rm" "-f" "e9705843a4b5a9d04e455dca689366864bc507b3d231eb0af0f9f73bf94f655b"`
Dec 12 10:30:24.484 INFO [stdout] e9705843a4b5a9d04e455dca689366864bc507b3d231eb0af0f9f73bf94f655b