Dec 18 12:21:19.140 INFO checking revonet-0.2.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:21:19.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/revonet/0.2.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:21:19.309 INFO [stdout] edf0ed3fc882dc0c1563d3adf2a8afd379b58b5811b8263be6ac67e2f9c57a0b
Dec 18 12:21:19.314 INFO running `"docker" "start" "-a" "edf0ed3fc882dc0c1563d3adf2a8afd379b58b5811b8263be6ac67e2f9c57a0b"`
Dec 18 12:21:20.172 INFO [stderr]     Checking revonet v0.2.1 (/opt/crater/workdir)
Dec 18 12:21:21.403 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.403 INFO [stderr]   --> src/ea.rs:65:45
Dec 18 12:21:21.403 INFO [stderr]    |
Dec 18 12:21:21.403 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 18 12:21:21.403 INFO [stderr]    |                                             ----^^^
Dec 18 12:21:21.403 INFO [stderr]    |                                             |
Dec 18 12:21:21.403 INFO [stderr]    |                                             help: remove this `mut`
Dec 18 12:21:21.403 INFO [stderr]    |
Dec 18 12:21:21.403 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 12:21:21.403 INFO [stderr] 
Dec 18 12:21:21.410 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.410 INFO [stderr]    --> src/ea.rs:228:97
Dec 18 12:21:21.411 INFO [stderr]     |
Dec 18 12:21:21.411 INFO [stderr] 228 | pub fn create_population<T: Individual, P: Problem, R: Rng+Sized>(pop_size: u32, ind_size: u32, mut rng: &mut R, problem: &P) -> Vec<T> {
Dec 18 12:21:21.411 INFO [stderr]     |                                                                                                 ----^^^
Dec 18 12:21:21.411 INFO [stderr]     |                                                                                                 |
Dec 18 12:21:21.411 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 18 12:21:21.411 INFO [stderr] 
Dec 18 12:21:21.420 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.420 INFO [stderr]   --> src/ga.rs:82:182
Dec 18 12:21:21.420 INFO [stderr]    |
Dec 18 12:21:21.420 INFO [stderr] 82 | pub fn cross<R: Rng+Sized, T: Individual+Clone>(popul: &Vec<T>, sel_inds: &Vec<usize>, children: &mut Vec<T>, use_elite: bool, x_type: CrossoverOperator, x_prob: f32, x_alpha: f32, mut rng: &mut R) {
Dec 18 12:21:21.420 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 18 12:21:21.420 INFO [stderr]    |                                                                                                                                                                                      |
Dec 18 12:21:21.420 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 18 12:21:21.420 INFO [stderr] 
Dec 18 12:21:21.424 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.424 INFO [stderr]    --> src/ga.rs:121:102
Dec 18 12:21:21.424 INFO [stderr]     |
Dec 18 12:21:21.424 INFO [stderr] 121 | fn cross_arithmetic<T: Individual, R: Rng+Sized>(p1: &T, p2: &T, c1: &mut T, c2: &mut T, alpha: f32, mut rng: &mut R) {
Dec 18 12:21:21.424 INFO [stderr]     |                                                                                                      ----^^^
Dec 18 12:21:21.424 INFO [stderr]     |                                                                                                      |
Dec 18 12:21:21.424 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 18 12:21:21.424 INFO [stderr] 
Dec 18 12:21:21.456 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.456 INFO [stderr]   --> src/ne.rs:67:45
Dec 18 12:21:21.456 INFO [stderr]    |
Dec 18 12:21:21.456 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 18 12:21:21.456 INFO [stderr]    |                                             ----^^^
Dec 18 12:21:21.456 INFO [stderr]    |                                             |
Dec 18 12:21:21.456 INFO [stderr]    |                                             help: remove this `mut`
Dec 18 12:21:21.456 INFO [stderr] 
Dec 18 12:21:21.539 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.539 INFO [stderr]   --> src/problem.rs:53:73
Dec 18 12:21:21.539 INFO [stderr]    |
Dec 18 12:21:21.539 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 18 12:21:21.539 INFO [stderr]    |                                                                         ----^^^
Dec 18 12:21:21.539 INFO [stderr]    |                                                                         |
Dec 18 12:21:21.539 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 18 12:21:21.539 INFO [stderr] 
Dec 18 12:21:21.677 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.677 INFO [stderr]   --> src/ea.rs:65:45
Dec 18 12:21:21.677 INFO [stderr]    |
Dec 18 12:21:21.677 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 18 12:21:21.677 INFO [stderr]    |                                             ----^^^
Dec 18 12:21:21.677 INFO [stderr]    |                                             |
Dec 18 12:21:21.677 INFO [stderr]    |                                             help: remove this `mut`
Dec 18 12:21:21.677 INFO [stderr]    |
Dec 18 12:21:21.677 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 12:21:21.677 INFO [stderr] 
Dec 18 12:21:21.707 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.707 INFO [stderr]    --> src/ea.rs:228:97
Dec 18 12:21:21.707 INFO [stderr]     |
Dec 18 12:21:21.707 INFO [stderr] 228 | pub fn create_population<T: Individual, P: Problem, R: Rng+Sized>(pop_size: u32, ind_size: u32, mut rng: &mut R, problem: &P) -> Vec<T> {
Dec 18 12:21:21.707 INFO [stderr]     |                                                                                                 ----^^^
Dec 18 12:21:21.707 INFO [stderr]     |                                                                                                 |
Dec 18 12:21:21.707 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 18 12:21:21.707 INFO [stderr] 
Dec 18 12:21:21.716 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.716 INFO [stderr]   --> src/ga.rs:82:182
Dec 18 12:21:21.716 INFO [stderr]    |
Dec 18 12:21:21.716 INFO [stderr] 82 | pub fn cross<R: Rng+Sized, T: Individual+Clone>(popul: &Vec<T>, sel_inds: &Vec<usize>, children: &mut Vec<T>, use_elite: bool, x_type: CrossoverOperator, x_prob: f32, x_alpha: f32, mut rng: &mut R) {
Dec 18 12:21:21.716 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 18 12:21:21.716 INFO [stderr]    |                                                                                                                                                                                      |
Dec 18 12:21:21.716 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 18 12:21:21.716 INFO [stderr] 
Dec 18 12:21:21.716 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.716 INFO [stderr]    --> src/ga.rs:121:102
Dec 18 12:21:21.716 INFO [stderr]     |
Dec 18 12:21:21.716 INFO [stderr] 121 | fn cross_arithmetic<T: Individual, R: Rng+Sized>(p1: &T, p2: &T, c1: &mut T, c2: &mut T, alpha: f32, mut rng: &mut R) {
Dec 18 12:21:21.716 INFO [stderr]     |                                                                                                      ----^^^
Dec 18 12:21:21.716 INFO [stderr]     |                                                                                                      |
Dec 18 12:21:21.716 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 18 12:21:21.716 INFO [stderr] 
Dec 18 12:21:21.760 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.760 INFO [stderr]   --> src/ne.rs:67:45
Dec 18 12:21:21.760 INFO [stderr]    |
Dec 18 12:21:21.760 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 18 12:21:21.760 INFO [stderr]    |                                             ----^^^
Dec 18 12:21:21.760 INFO [stderr]    |                                             |
Dec 18 12:21:21.760 INFO [stderr]    |                                             help: remove this `mut`
Dec 18 12:21:21.760 INFO [stderr] 
Dec 18 12:21:21.980 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:21:21.980 INFO [stderr]   --> src/problem.rs:53:73
Dec 18 12:21:21.980 INFO [stderr]    |
Dec 18 12:21:21.980 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 18 12:21:21.980 INFO [stderr]    |                                                                         ----^^^
Dec 18 12:21:21.980 INFO [stderr]    |                                                                         |
Dec 18 12:21:21.980 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 18 12:21:21.980 INFO [stderr] 
Dec 18 12:21:23.076 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Dec 18 12:21:23.674 INFO running `"docker" "inspect" "edf0ed3fc882dc0c1563d3adf2a8afd379b58b5811b8263be6ac67e2f9c57a0b"`
Dec 18 12:21:23.756 INFO running `"docker" "rm" "-f" "edf0ed3fc882dc0c1563d3adf2a8afd379b58b5811b8263be6ac67e2f9c57a0b"`
Dec 18 12:21:23.865 INFO [stdout] edf0ed3fc882dc0c1563d3adf2a8afd379b58b5811b8263be6ac67e2f9c57a0b