Dec 07 02:19:55.624 INFO testing revonet-0.2.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 02:19:55.624 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 02:19:55.802 INFO [stdout] 194b96c38b1c7311849a8a9b492d62f77f81d7849ed4617f4130673ce24f94a5
Dec 07 02:19:55.804 INFO running `"docker" "start" "-a" "194b96c38b1c7311849a8a9b492d62f77f81d7849ed4617f4130673ce24f94a5"`
Dec 07 02:19:56.282 INFO [stderr] usermod: no changes
Dec 07 02:19:56.332 INFO [stderr]    Compiling revonet v0.2.1 (/source)
Dec 07 02:19:57.880 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.880 INFO [stderr]   --> src/ea.rs:65:45
Dec 07 02:19:57.880 INFO [stderr]    |
Dec 07 02:19:57.880 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 07 02:19:57.880 INFO [stderr]    |                                             ----^^^
Dec 07 02:19:57.880 INFO [stderr]    |                                             |
Dec 07 02:19:57.880 INFO [stderr]    |                                             help: remove this `mut`
Dec 07 02:19:57.880 INFO [stderr]    |
Dec 07 02:19:57.880 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 02:19:57.880 INFO [stderr] 
Dec 07 02:19:57.908 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.908 INFO [stderr]    --> src/ea.rs:228:97
Dec 07 02:19:57.908 INFO [stderr]     |
Dec 07 02:19:57.908 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 07 02:19:57.908 INFO [stderr]     |                                                                                                 ----^^^
Dec 07 02:19:57.908 INFO [stderr]     |                                                                                                 |
Dec 07 02:19:57.908 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 07 02:19:57.908 INFO [stderr] 
Dec 07 02:19:57.915 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.915 INFO [stderr]   --> src/ga.rs:82:182
Dec 07 02:19:57.915 INFO [stderr]    |
Dec 07 02:19:57.915 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 07 02:19:57.915 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 07 02:19:57.915 INFO [stderr]    |                                                                                                                                                                                      |
Dec 07 02:19:57.915 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 07 02:19:57.915 INFO [stderr] 
Dec 07 02:19:57.917 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.917 INFO [stderr]    --> src/ga.rs:121:102
Dec 07 02:19:57.917 INFO [stderr]     |
Dec 07 02:19:57.917 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 07 02:19:57.917 INFO [stderr]     |                                                                                                      ----^^^
Dec 07 02:19:57.917 INFO [stderr]     |                                                                                                      |
Dec 07 02:19:57.917 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 07 02:19:57.918 INFO [stderr] 
Dec 07 02:19:57.956 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.957 INFO [stderr]   --> src/ne.rs:67:45
Dec 07 02:19:57.957 INFO [stderr]    |
Dec 07 02:19:57.957 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 07 02:19:57.957 INFO [stderr]    |                                             ----^^^
Dec 07 02:19:57.957 INFO [stderr]    |                                             |
Dec 07 02:19:57.957 INFO [stderr]    |                                             help: remove this `mut`
Dec 07 02:19:57.957 INFO [stderr] 
Dec 07 02:19:58.025 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:58.025 INFO [stderr]   --> src/problem.rs:53:73
Dec 07 02:19:58.025 INFO [stderr]    |
Dec 07 02:19:58.025 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 07 02:19:58.025 INFO [stderr]    |                                                                         ----^^^
Dec 07 02:19:58.025 INFO [stderr]    |                                                                         |
Dec 07 02:19:58.025 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 07 02:19:58.025 INFO [stderr] 
Dec 07 02:19:58.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
Dec 07 02:19:58.891 INFO [stderr] su: No module specific data is present
Dec 07 02:19:59.147 INFO running `"docker" "inspect" "194b96c38b1c7311849a8a9b492d62f77f81d7849ed4617f4130673ce24f94a5"`
Dec 07 02:19:59.247 INFO running `"docker" "rm" "-f" "194b96c38b1c7311849a8a9b492d62f77f81d7849ed4617f4130673ce24f94a5"`
Dec 07 02:19:59.376 INFO [stdout] 194b96c38b1c7311849a8a9b492d62f77f81d7849ed4617f4130673ce24f94a5
Dec 07 02:19:59.378 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 02:19:59.588 INFO [stdout] 55550964e42603bd502963e0f4be086eb0a5f8fe5439db9e9137ae03f475ed2b
Dec 07 02:19:59.594 INFO running `"docker" "start" "-a" "55550964e42603bd502963e0f4be086eb0a5f8fe5439db9e9137ae03f475ed2b"`
Dec 07 02:20:00.596 INFO [stderr] usermod: no changes
Dec 07 02:20:00.756 INFO [stderr]    Compiling revonet v0.2.1 (/source)
Dec 07 02:20:05.528 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:05.528 INFO [stderr]   --> src/ea.rs:65:45
Dec 07 02:20:05.528 INFO [stderr]    |
Dec 07 02:20:05.528 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 07 02:20:05.528 INFO [stderr]    |                                             ----^^^
Dec 07 02:20:05.528 INFO [stderr]    |                                             |
Dec 07 02:20:05.528 INFO [stderr]    |                                             help: remove this `mut`
Dec 07 02:20:05.528 INFO [stderr]    |
Dec 07 02:20:05.529 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 02:20:05.529 INFO [stderr] 
Dec 07 02:20:05.556 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:05.556 INFO [stderr]    --> src/ea.rs:228:97
Dec 07 02:20:05.556 INFO [stderr]     |
Dec 07 02:20:05.556 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 07 02:20:05.556 INFO [stderr]     |                                                                                                 ----^^^
Dec 07 02:20:05.556 INFO [stderr]     |                                                                                                 |
Dec 07 02:20:05.556 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 07 02:20:05.556 INFO [stderr] 
Dec 07 02:20:05.568 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:05.568 INFO [stderr]   --> src/ga.rs:82:182
Dec 07 02:20:05.568 INFO [stderr]    |
Dec 07 02:20:05.568 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 07 02:20:05.568 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 07 02:20:05.568 INFO [stderr]    |                                                                                                                                                                                      |
Dec 07 02:20:05.568 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 07 02:20:05.568 INFO [stderr] 
Dec 07 02:20:05.568 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:05.568 INFO [stderr]    --> src/ga.rs:121:102
Dec 07 02:20:05.568 INFO [stderr]     |
Dec 07 02:20:05.568 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 07 02:20:05.568 INFO [stderr]     |                                                                                                      ----^^^
Dec 07 02:20:05.568 INFO [stderr]     |                                                                                                      |
Dec 07 02:20:05.568 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 07 02:20:05.568 INFO [stderr] 
Dec 07 02:20:05.624 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:05.624 INFO [stderr]   --> src/ne.rs:67:45
Dec 07 02:20:05.624 INFO [stderr]    |
Dec 07 02:20:05.624 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 07 02:20:05.624 INFO [stderr]    |                                             ----^^^
Dec 07 02:20:05.624 INFO [stderr]    |                                             |
Dec 07 02:20:05.624 INFO [stderr]    |                                             help: remove this `mut`
Dec 07 02:20:05.624 INFO [stderr] 
Dec 07 02:20:05.725 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:05.725 INFO [stderr]   --> src/problem.rs:53:73
Dec 07 02:20:05.725 INFO [stderr]    |
Dec 07 02:20:05.725 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 07 02:20:05.725 INFO [stderr]    |                                                                         ----^^^
Dec 07 02:20:05.725 INFO [stderr]    |                                                                         |
Dec 07 02:20:05.725 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 07 02:20:05.725 INFO [stderr] 
Dec 07 02:20:07.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
Dec 07 02:20:07.773 INFO [stderr] su: No module specific data is present
Dec 07 02:20:08.026 INFO running `"docker" "inspect" "55550964e42603bd502963e0f4be086eb0a5f8fe5439db9e9137ae03f475ed2b"`
Dec 07 02:20:08.099 INFO running `"docker" "rm" "-f" "55550964e42603bd502963e0f4be086eb0a5f8fe5439db9e9137ae03f475ed2b"`
Dec 07 02:20:08.198 INFO [stdout] 55550964e42603bd502963e0f4be086eb0a5f8fe5439db9e9137ae03f475ed2b