Dec 14 23:23:22.177 INFO testing revonet-0.2.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 23:23:22.177 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 23:23:22.334 INFO [stdout] 7018cf66a2bacffd09a0788320cf34c6e152fea7980443f98da5e1fdd30df986
Dec 14 23:23:22.336 INFO running `"docker" "start" "-a" "7018cf66a2bacffd09a0788320cf34c6e152fea7980443f98da5e1fdd30df986"`
Dec 14 23:23:22.747 INFO [stderr] usermod: no changes
Dec 14 23:23:22.790 INFO [stderr]    Compiling revonet v0.2.1 (/source)
Dec 14 23:23:24.425 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.425 INFO [stderr]   --> src/ea.rs:65:45
Dec 14 23:23:24.425 INFO [stderr]    |
Dec 14 23:23:24.425 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 14 23:23:24.425 INFO [stderr]    |                                             ----^^^
Dec 14 23:23:24.425 INFO [stderr]    |                                             |
Dec 14 23:23:24.425 INFO [stderr]    |                                             help: remove this `mut`
Dec 14 23:23:24.425 INFO [stderr]    |
Dec 14 23:23:24.425 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 23:23:24.425 INFO [stderr] 
Dec 14 23:23:24.454 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.455 INFO [stderr]    --> src/ea.rs:228:97
Dec 14 23:23:24.455 INFO [stderr]     |
Dec 14 23:23:24.455 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 14 23:23:24.455 INFO [stderr]     |                                                                                                 ----^^^
Dec 14 23:23:24.455 INFO [stderr]     |                                                                                                 |
Dec 14 23:23:24.455 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 14 23:23:24.455 INFO [stderr] 
Dec 14 23:23:24.466 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.467 INFO [stderr]   --> src/ga.rs:82:182
Dec 14 23:23:24.467 INFO [stderr]    |
Dec 14 23:23:24.467 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 14 23:23:24.467 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 14 23:23:24.467 INFO [stderr]    |                                                                                                                                                                                      |
Dec 14 23:23:24.467 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 14 23:23:24.467 INFO [stderr] 
Dec 14 23:23:24.467 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.467 INFO [stderr]    --> src/ga.rs:121:102
Dec 14 23:23:24.467 INFO [stderr]     |
Dec 14 23:23:24.467 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 14 23:23:24.467 INFO [stderr]     |                                                                                                      ----^^^
Dec 14 23:23:24.467 INFO [stderr]     |                                                                                                      |
Dec 14 23:23:24.467 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 14 23:23:24.467 INFO [stderr] 
Dec 14 23:23:24.499 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.499 INFO [stderr]   --> src/ne.rs:67:45
Dec 14 23:23:24.499 INFO [stderr]    |
Dec 14 23:23:24.499 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 14 23:23:24.499 INFO [stderr]    |                                             ----^^^
Dec 14 23:23:24.499 INFO [stderr]    |                                             |
Dec 14 23:23:24.499 INFO [stderr]    |                                             help: remove this `mut`
Dec 14 23:23:24.499 INFO [stderr] 
Dec 14 23:23:24.575 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.575 INFO [stderr]   --> src/problem.rs:53:73
Dec 14 23:23:24.575 INFO [stderr]    |
Dec 14 23:23:24.575 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 14 23:23:24.575 INFO [stderr]    |                                                                         ----^^^
Dec 14 23:23:24.575 INFO [stderr]    |                                                                         |
Dec 14 23:23:24.575 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 14 23:23:24.575 INFO [stderr] 
Dec 14 23:23:25.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
Dec 14 23:23:25.491 INFO [stderr] su: No module specific data is present
Dec 14 23:23:25.915 INFO running `"docker" "inspect" "7018cf66a2bacffd09a0788320cf34c6e152fea7980443f98da5e1fdd30df986"`
Dec 14 23:23:26.008 INFO running `"docker" "rm" "-f" "7018cf66a2bacffd09a0788320cf34c6e152fea7980443f98da5e1fdd30df986"`
Dec 14 23:23:26.094 INFO [stdout] 7018cf66a2bacffd09a0788320cf34c6e152fea7980443f98da5e1fdd30df986
Dec 14 23:23:26.100 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 23:23:26.319 INFO [stdout] c85c5fc4ac461b5b0f80f40afc82193e6e37fa1c49c5bdd0ccb27c733de29d58
Dec 14 23:23:26.327 INFO running `"docker" "start" "-a" "c85c5fc4ac461b5b0f80f40afc82193e6e37fa1c49c5bdd0ccb27c733de29d58"`
Dec 14 23:23:26.847 INFO [stderr] usermod: no changes
Dec 14 23:23:26.948 INFO [stderr]    Compiling revonet v0.2.1 (/source)
Dec 14 23:23:30.352 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.352 INFO [stderr]   --> src/ea.rs:65:45
Dec 14 23:23:30.352 INFO [stderr]    |
Dec 14 23:23:30.352 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 14 23:23:30.352 INFO [stderr]    |                                             ----^^^
Dec 14 23:23:30.353 INFO [stderr]    |                                             |
Dec 14 23:23:30.353 INFO [stderr]    |                                             help: remove this `mut`
Dec 14 23:23:30.353 INFO [stderr]    |
Dec 14 23:23:30.353 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 23:23:30.353 INFO [stderr] 
Dec 14 23:23:30.387 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.387 INFO [stderr]    --> src/ea.rs:228:97
Dec 14 23:23:30.387 INFO [stderr]     |
Dec 14 23:23:30.387 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 14 23:23:30.387 INFO [stderr]     |                                                                                                 ----^^^
Dec 14 23:23:30.387 INFO [stderr]     |                                                                                                 |
Dec 14 23:23:30.387 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 14 23:23:30.387 INFO [stderr] 
Dec 14 23:23:30.399 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.399 INFO [stderr]   --> src/ga.rs:82:182
Dec 14 23:23:30.399 INFO [stderr]    |
Dec 14 23:23:30.399 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 14 23:23:30.399 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 14 23:23:30.399 INFO [stderr]    |                                                                                                                                                                                      |
Dec 14 23:23:30.399 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 14 23:23:30.399 INFO [stderr] 
Dec 14 23:23:30.399 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.399 INFO [stderr]    --> src/ga.rs:121:102
Dec 14 23:23:30.399 INFO [stderr]     |
Dec 14 23:23:30.399 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 14 23:23:30.399 INFO [stderr]     |                                                                                                      ----^^^
Dec 14 23:23:30.399 INFO [stderr]     |                                                                                                      |
Dec 14 23:23:30.399 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 14 23:23:30.399 INFO [stderr] 
Dec 14 23:23:30.461 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.461 INFO [stderr]   --> src/ne.rs:67:45
Dec 14 23:23:30.462 INFO [stderr]    |
Dec 14 23:23:30.462 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 14 23:23:30.462 INFO [stderr]    |                                             ----^^^
Dec 14 23:23:30.462 INFO [stderr]    |                                             |
Dec 14 23:23:30.462 INFO [stderr]    |                                             help: remove this `mut`
Dec 14 23:23:30.462 INFO [stderr] 
Dec 14 23:23:30.563 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.563 INFO [stderr]   --> src/problem.rs:53:73
Dec 14 23:23:30.563 INFO [stderr]    |
Dec 14 23:23:30.563 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 14 23:23:30.563 INFO [stderr]    |                                                                         ----^^^
Dec 14 23:23:30.563 INFO [stderr]    |                                                                         |
Dec 14 23:23:30.563 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 14 23:23:30.563 INFO [stderr] 
Dec 14 23:23:33.806 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.93s
Dec 14 23:23:33.807 INFO [stderr] su: No module specific data is present
Dec 14 23:23:34.621 INFO running `"docker" "inspect" "c85c5fc4ac461b5b0f80f40afc82193e6e37fa1c49c5bdd0ccb27c733de29d58"`
Dec 14 23:23:34.707 INFO running `"docker" "rm" "-f" "c85c5fc4ac461b5b0f80f40afc82193e6e37fa1c49c5bdd0ccb27c733de29d58"`
Dec 14 23:23:34.816 INFO [stdout] c85c5fc4ac461b5b0f80f40afc82193e6e37fa1c49c5bdd0ccb27c733de29d58