Dec 14 23:23:22.283 INFO testing revonet-0.2.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 23:23:22.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 23:23:22.434 INFO [stdout] eafb068e1a2e1ff9b2d81387c8921421e4b8534a4488b879e38d9f4432972099
Dec 14 23:23:22.439 INFO running `"docker" "start" "-a" "eafb068e1a2e1ff9b2d81387c8921421e4b8534a4488b879e38d9f4432972099"`
Dec 14 23:23:23.020 INFO [stderr] usermod: no changes
Dec 14 23:23:23.122 INFO [stderr]    Compiling revonet v0.2.1 (/source)
Dec 14 23:23:24.864 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.865 INFO [stderr]   --> src/ea.rs:65:45
Dec 14 23:23:24.865 INFO [stderr]    |
Dec 14 23:23:24.865 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 14 23:23:24.865 INFO [stderr]    |                                             ----^^^
Dec 14 23:23:24.865 INFO [stderr]    |                                             |
Dec 14 23:23:24.865 INFO [stderr]    |                                             help: remove this `mut`
Dec 14 23:23:24.865 INFO [stderr]    |
Dec 14 23:23:24.865 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 23:23:24.865 INFO [stderr] 
Dec 14 23:23:24.891 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.891 INFO [stderr]    --> src/ea.rs:228:97
Dec 14 23:23:24.891 INFO [stderr]     |
Dec 14 23:23:24.891 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 23:23:24.891 INFO [stderr]     |                                                                                                 ----^^^
Dec 14 23:23:24.891 INFO [stderr]     |                                                                                                 |
Dec 14 23:23:24.891 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 14 23:23:24.891 INFO [stderr] 
Dec 14 23:23:24.902 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.902 INFO [stderr]   --> src/ga.rs:82:182
Dec 14 23:23:24.902 INFO [stderr]    |
Dec 14 23:23:24.902 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 23:23:24.902 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 14 23:23:24.902 INFO [stderr]    |                                                                                                                                                                                      |
Dec 14 23:23:24.902 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 14 23:23:24.902 INFO [stderr] 
Dec 14 23:23:24.903 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.903 INFO [stderr]    --> src/ga.rs:121:102
Dec 14 23:23:24.903 INFO [stderr]     |
Dec 14 23:23:24.903 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 23:23:24.903 INFO [stderr]     |                                                                                                      ----^^^
Dec 14 23:23:24.903 INFO [stderr]     |                                                                                                      |
Dec 14 23:23:24.903 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 14 23:23:24.903 INFO [stderr] 
Dec 14 23:23:24.937 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:24.937 INFO [stderr]   --> src/ne.rs:67:45
Dec 14 23:23:24.937 INFO [stderr]    |
Dec 14 23:23:24.937 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 14 23:23:24.937 INFO [stderr]    |                                             ----^^^
Dec 14 23:23:24.937 INFO [stderr]    |                                             |
Dec 14 23:23:24.937 INFO [stderr]    |                                             help: remove this `mut`
Dec 14 23:23:24.937 INFO [stderr] 
Dec 14 23:23:25.011 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:25.011 INFO [stderr]   --> src/problem.rs:53:73
Dec 14 23:23:25.011 INFO [stderr]    |
Dec 14 23:23:25.011 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 14 23:23:25.011 INFO [stderr]    |                                                                         ----^^^
Dec 14 23:23:25.011 INFO [stderr]    |                                                                         |
Dec 14 23:23:25.011 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 14 23:23:25.011 INFO [stderr] 
Dec 14 23:23:25.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
Dec 14 23:23:25.963 INFO [stderr] su: No module specific data is present
Dec 14 23:23:26.284 INFO running `"docker" "inspect" "eafb068e1a2e1ff9b2d81387c8921421e4b8534a4488b879e38d9f4432972099"`
Dec 14 23:23:26.364 INFO running `"docker" "rm" "-f" "eafb068e1a2e1ff9b2d81387c8921421e4b8534a4488b879e38d9f4432972099"`
Dec 14 23:23:26.480 INFO [stdout] eafb068e1a2e1ff9b2d81387c8921421e4b8534a4488b879e38d9f4432972099
Dec 14 23:23:26.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 23:23:26.701 INFO [stdout] 6ec2d8e53cc62dd40a705ffc956f12828439d9e8beb4a04fb59c958796d50578
Dec 14 23:23:26.703 INFO running `"docker" "start" "-a" "6ec2d8e53cc62dd40a705ffc956f12828439d9e8beb4a04fb59c958796d50578"`
Dec 14 23:23:27.608 INFO [stderr] usermod: no changes
Dec 14 23:23:27.715 INFO [stderr]    Compiling revonet v0.2.1 (/source)
Dec 14 23:23:30.371 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.371 INFO [stderr]   --> src/ea.rs:65:45
Dec 14 23:23:30.371 INFO [stderr]    |
Dec 14 23:23:30.371 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 14 23:23:30.371 INFO [stderr]    |                                             ----^^^
Dec 14 23:23:30.371 INFO [stderr]    |                                             |
Dec 14 23:23:30.371 INFO [stderr]    |                                             help: remove this `mut`
Dec 14 23:23:30.371 INFO [stderr]    |
Dec 14 23:23:30.371 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 23:23:30.371 INFO [stderr] 
Dec 14 23:23:30.407 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.407 INFO [stderr]    --> src/ea.rs:228:97
Dec 14 23:23:30.407 INFO [stderr]     |
Dec 14 23:23:30.407 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 23:23:30.407 INFO [stderr]     |                                                                                                 ----^^^
Dec 14 23:23:30.407 INFO [stderr]     |                                                                                                 |
Dec 14 23:23:30.407 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 14 23:23:30.407 INFO [stderr] 
Dec 14 23:23:30.423 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.423 INFO [stderr]   --> src/ga.rs:82:182
Dec 14 23:23:30.423 INFO [stderr]    |
Dec 14 23:23:30.423 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 23:23:30.423 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 14 23:23:30.423 INFO [stderr]    |                                                                                                                                                                                      |
Dec 14 23:23:30.423 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 14 23:23:30.423 INFO [stderr] 
Dec 14 23:23:30.423 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.423 INFO [stderr]    --> src/ga.rs:121:102
Dec 14 23:23:30.423 INFO [stderr]     |
Dec 14 23:23:30.423 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 23:23:30.423 INFO [stderr]     |                                                                                                      ----^^^
Dec 14 23:23:30.423 INFO [stderr]     |                                                                                                      |
Dec 14 23:23:30.423 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 14 23:23:30.423 INFO [stderr] 
Dec 14 23:23:30.471 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.471 INFO [stderr]   --> src/ne.rs:67:45
Dec 14 23:23:30.471 INFO [stderr]    |
Dec 14 23:23:30.471 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 14 23:23:30.471 INFO [stderr]    |                                             ----^^^
Dec 14 23:23:30.471 INFO [stderr]    |                                             |
Dec 14 23:23:30.471 INFO [stderr]    |                                             help: remove this `mut`
Dec 14 23:23:30.471 INFO [stderr] 
Dec 14 23:23:30.578 INFO [stderr] warning: variable does not need to be mutable
Dec 14 23:23:30.579 INFO [stderr]   --> src/problem.rs:53:73
Dec 14 23:23:30.579 INFO [stderr]    |
Dec 14 23:23:30.579 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 14 23:23:30.579 INFO [stderr]    |                                                                         ----^^^
Dec 14 23:23:30.579 INFO [stderr]    |                                                                         |
Dec 14 23:23:30.579 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 14 23:23:30.579 INFO [stderr] 
Dec 14 23:23:34.331 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.69s
Dec 14 23:23:34.336 INFO [stderr] su: No module specific data is present
Dec 14 23:23:34.623 INFO running `"docker" "inspect" "6ec2d8e53cc62dd40a705ffc956f12828439d9e8beb4a04fb59c958796d50578"`
Dec 14 23:23:34.724 INFO running `"docker" "rm" "-f" "6ec2d8e53cc62dd40a705ffc956f12828439d9e8beb4a04fb59c958796d50578"`
Dec 14 23:23:34.920 INFO [stdout] 6ec2d8e53cc62dd40a705ffc956f12828439d9e8beb4a04fb59c958796d50578