Dec 07 02:19:55.154 INFO testing revonet-0.2.1 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 02:19:55.154 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 02:19:55.352 INFO [stdout] 0b32bef55d772cfae8682d5687ac84a6664c0578872602d3849425c8dab28baa
Dec 07 02:19:55.355 INFO running `"docker" "start" "-a" "0b32bef55d772cfae8682d5687ac84a6664c0578872602d3849425c8dab28baa"`
Dec 07 02:19:55.756 INFO [stderr] usermod: no changes
Dec 07 02:19:55.810 INFO [stderr]    Compiling revonet v0.2.1 (/source)
Dec 07 02:19:57.203 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.203 INFO [stderr]   --> src/ea.rs:65:45
Dec 07 02:19:57.203 INFO [stderr]    |
Dec 07 02:19:57.203 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 07 02:19:57.203 INFO [stderr]    |                                             ----^^^
Dec 07 02:19:57.203 INFO [stderr]    |                                             |
Dec 07 02:19:57.203 INFO [stderr]    |                                             help: remove this `mut`
Dec 07 02:19:57.203 INFO [stderr]    |
Dec 07 02:19:57.203 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 02:19:57.203 INFO [stderr] 
Dec 07 02:19:57.228 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.228 INFO [stderr]    --> src/ea.rs:228:97
Dec 07 02:19:57.228 INFO [stderr]     |
Dec 07 02:19:57.228 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 02:19:57.228 INFO [stderr]     |                                                                                                 ----^^^
Dec 07 02:19:57.228 INFO [stderr]     |                                                                                                 |
Dec 07 02:19:57.228 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 07 02:19:57.228 INFO [stderr] 
Dec 07 02:19:57.237 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.237 INFO [stderr]   --> src/ga.rs:82:182
Dec 07 02:19:57.237 INFO [stderr]    |
Dec 07 02:19:57.237 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 02:19:57.237 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 07 02:19:57.237 INFO [stderr]    |                                                                                                                                                                                      |
Dec 07 02:19:57.237 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 07 02:19:57.237 INFO [stderr] 
Dec 07 02:19:57.239 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.239 INFO [stderr]    --> src/ga.rs:121:102
Dec 07 02:19:57.239 INFO [stderr]     |
Dec 07 02:19:57.239 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 02:19:57.239 INFO [stderr]     |                                                                                                      ----^^^
Dec 07 02:19:57.239 INFO [stderr]     |                                                                                                      |
Dec 07 02:19:57.239 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 07 02:19:57.239 INFO [stderr] 
Dec 07 02:19:57.270 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.270 INFO [stderr]   --> src/ne.rs:67:45
Dec 07 02:19:57.270 INFO [stderr]    |
Dec 07 02:19:57.270 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 07 02:19:57.270 INFO [stderr]    |                                             ----^^^
Dec 07 02:19:57.270 INFO [stderr]    |                                             |
Dec 07 02:19:57.270 INFO [stderr]    |                                             help: remove this `mut`
Dec 07 02:19:57.270 INFO [stderr] 
Dec 07 02:19:57.336 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:19:57.336 INFO [stderr]   --> src/problem.rs:53:73
Dec 07 02:19:57.336 INFO [stderr]    |
Dec 07 02:19:57.336 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 07 02:19:57.336 INFO [stderr]    |                                                                         ----^^^
Dec 07 02:19:57.336 INFO [stderr]    |                                                                         |
Dec 07 02:19:57.336 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 07 02:19:57.336 INFO [stderr] 
Dec 07 02:19:58.101 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Dec 07 02:19:58.106 INFO [stderr] su: No module specific data is present
Dec 07 02:19:58.514 INFO running `"docker" "inspect" "0b32bef55d772cfae8682d5687ac84a6664c0578872602d3849425c8dab28baa"`
Dec 07 02:19:58.732 INFO running `"docker" "rm" "-f" "0b32bef55d772cfae8682d5687ac84a6664c0578872602d3849425c8dab28baa"`
Dec 07 02:19:58.911 INFO [stdout] 0b32bef55d772cfae8682d5687ac84a6664c0578872602d3849425c8dab28baa
Dec 07 02:19:58.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 02:19:59.129 INFO [stdout] 91e05fd6ead6466391a7dfad714a2f6a8c4ebede68ee09f04e60645e3d1bd073
Dec 07 02:19:59.131 INFO running `"docker" "start" "-a" "91e05fd6ead6466391a7dfad714a2f6a8c4ebede68ee09f04e60645e3d1bd073"`
Dec 07 02:19:59.635 INFO [stderr] usermod: no changes
Dec 07 02:19:59.716 INFO [stderr]    Compiling revonet v0.2.1 (/source)
Dec 07 02:20:04.620 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:04.620 INFO [stderr]   --> src/ea.rs:65:45
Dec 07 02:20:04.620 INFO [stderr]    |
Dec 07 02:20:04.620 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 07 02:20:04.620 INFO [stderr]    |                                             ----^^^
Dec 07 02:20:04.620 INFO [stderr]    |                                             |
Dec 07 02:20:04.620 INFO [stderr]    |                                             help: remove this `mut`
Dec 07 02:20:04.620 INFO [stderr]    |
Dec 07 02:20:04.620 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 02:20:04.620 INFO [stderr] 
Dec 07 02:20:04.652 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:04.652 INFO [stderr]    --> src/ea.rs:228:97
Dec 07 02:20:04.652 INFO [stderr]     |
Dec 07 02:20:04.652 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 02:20:04.652 INFO [stderr]     |                                                                                                 ----^^^
Dec 07 02:20:04.652 INFO [stderr]     |                                                                                                 |
Dec 07 02:20:04.652 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 07 02:20:04.652 INFO [stderr] 
Dec 07 02:20:04.672 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:04.672 INFO [stderr]   --> src/ga.rs:82:182
Dec 07 02:20:04.672 INFO [stderr]    |
Dec 07 02:20:04.672 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 02:20:04.672 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 07 02:20:04.672 INFO [stderr]    |                                                                                                                                                                                      |
Dec 07 02:20:04.672 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 07 02:20:04.672 INFO [stderr] 
Dec 07 02:20:04.672 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:04.672 INFO [stderr]    --> src/ga.rs:121:102
Dec 07 02:20:04.672 INFO [stderr]     |
Dec 07 02:20:04.672 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 02:20:04.672 INFO [stderr]     |                                                                                                      ----^^^
Dec 07 02:20:04.672 INFO [stderr]     |                                                                                                      |
Dec 07 02:20:04.672 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 07 02:20:04.672 INFO [stderr] 
Dec 07 02:20:04.732 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:04.732 INFO [stderr]   --> src/ne.rs:67:45
Dec 07 02:20:04.732 INFO [stderr]    |
Dec 07 02:20:04.732 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 07 02:20:04.732 INFO [stderr]    |                                             ----^^^
Dec 07 02:20:04.732 INFO [stderr]    |                                             |
Dec 07 02:20:04.732 INFO [stderr]    |                                             help: remove this `mut`
Dec 07 02:20:04.732 INFO [stderr] 
Dec 07 02:20:04.827 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:20:04.827 INFO [stderr]   --> src/problem.rs:53:73
Dec 07 02:20:04.827 INFO [stderr]    |
Dec 07 02:20:04.827 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 07 02:20:04.827 INFO [stderr]    |                                                                         ----^^^
Dec 07 02:20:04.827 INFO [stderr]    |                                                                         |
Dec 07 02:20:04.827 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 07 02:20:04.827 INFO [stderr] 
Dec 07 02:20:06.956 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.29s
Dec 07 02:20:06.965 INFO [stderr] su: No module specific data is present
Dec 07 02:20:07.465 INFO running `"docker" "inspect" "91e05fd6ead6466391a7dfad714a2f6a8c4ebede68ee09f04e60645e3d1bd073"`
Dec 07 02:20:07.606 INFO running `"docker" "rm" "-f" "91e05fd6ead6466391a7dfad714a2f6a8c4ebede68ee09f04e60645e3d1bd073"`
Dec 07 02:20:07.686 INFO [stdout] 91e05fd6ead6466391a7dfad714a2f6a8c4ebede68ee09f04e60645e3d1bd073