Nov 28 12:00:10.342 INFO checking NewlineCoding/lab_8 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:00:10.343 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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"`
Nov 28 12:00:10.677 INFO [stdout] 75c7cab034158f5bef09d966a54b4f1ab97bbdf5c7819b9cb09f2752d1b1d25d
Nov 28 12:00:10.683 INFO running `"docker" "start" "-a" "75c7cab034158f5bef09d966a54b4f1ab97bbdf5c7819b9cb09f2752d1b1d25d"`
Nov 28 12:00:11.842 INFO [stderr] usermod: no changes
Nov 28 12:00:11.937 INFO [stderr]     Checking mersenne_twister v1.1.0
Nov 28 12:00:12.801 INFO [stderr]     Checking lab_8 v0.1.0 (/source)
Nov 28 12:00:13.296 INFO [stderr] warning: unused imports: `IndependentSample`, `Range`
Nov 28 12:00:13.296 INFO [stderr]  --> src/main.rs:6:27
Nov 28 12:00:13.296 INFO [stderr]   |
Nov 28 12:00:13.296 INFO [stderr] 6 | use rand::distributions::{IndependentSample, Range};
Nov 28 12:00:13.296 INFO [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
Nov 28 12:00:13.296 INFO [stderr]   |
Nov 28 12:00:13.296 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 12:00:13.296 INFO [stderr] 
Nov 28 12:00:13.300 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 28 12:00:13.300 INFO [stderr]  --> src/main.rs:7:5
Nov 28 12:00:13.300 INFO [stderr]   |
Nov 28 12:00:13.300 INFO [stderr] 7 | use std::collections::HashSet;
Nov 28 12:00:13.300 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:00:13.300 INFO [stderr] 
Nov 28 12:00:13.300 INFO [stderr] warning: unused import: `mersenne_twister::MersenneTwister`
Nov 28 12:00:13.300 INFO [stderr]  --> src/main.rs:9:5
Nov 28 12:00:13.300 INFO [stderr]   |
Nov 28 12:00:13.300 INFO [stderr] 9 | use mersenne_twister::MersenneTwister;
Nov 28 12:00:13.300 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:00:13.300 INFO [stderr] 
Nov 28 12:00:13.300 INFO [stderr] warning: unused imports: `Rng`, `SeedableRng`
Nov 28 12:00:13.300 INFO [stderr]   --> src/main.rs:10:12
Nov 28 12:00:13.300 INFO [stderr]    |
Nov 28 12:00:13.300 INFO [stderr] 10 | use rand::{Rng, SeedableRng};
Nov 28 12:00:13.300 INFO [stderr]    |            ^^^  ^^^^^^^^^^^
Nov 28 12:00:13.300 INFO [stderr] 
Nov 28 12:00:13.300 INFO [stderr] warning: unused import: `Duration`
Nov 28 12:00:13.300 INFO [stderr]   --> src/main.rs:12:17
Nov 28 12:00:13.300 INFO [stderr]    |
Nov 28 12:00:13.300 INFO [stderr] 12 | use std::time::{Duration, Instant};
Nov 28 12:00:13.301 INFO [stderr]    |                 ^^^^^^^^
Nov 28 12:00:13.301 INFO [stderr] 
Nov 28 12:00:13.399 INFO [stderr] warning: value assigned to `tests_per_core` is never read
Nov 28 12:00:13.399 INFO [stderr]   --> src/main.rs:85:9
Nov 28 12:00:13.399 INFO [stderr]    |
Nov 28 12:00:13.399 INFO [stderr] 85 |         tests_per_core = n - 2
Nov 28 12:00:13.399 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 28 12:00:13.399 INFO [stderr]    |
Nov 28 12:00:13.399 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 12:00:13.399 INFO [stderr] 
Nov 28 12:00:13.399 INFO [stderr] warning: unused variable: `num_cpu`
Nov 28 12:00:13.399 INFO [stderr]    --> src/main.rs:113:9
Nov 28 12:00:13.399 INFO [stderr]     |
Nov 28 12:00:13.399 INFO [stderr] 113 |     let num_cpu = num_cpus::get();
Nov 28 12:00:13.399 INFO [stderr]     |         ^^^^^^^ help: consider using `_num_cpu` instead
Nov 28 12:00:13.399 INFO [stderr]     |
Nov 28 12:00:13.399 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 12:00:13.399 INFO [stderr] 
Nov 28 12:00:13.399 INFO [stderr] warning: value assigned to `tests_per_core` is never read
Nov 28 12:00:13.400 INFO [stderr]    --> src/main.rs:116:9
Nov 28 12:00:13.400 INFO [stderr]     |
Nov 28 12:00:13.400 INFO [stderr] 116 |         tests_per_core = n - 2
Nov 28 12:00:13.400 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 28 12:00:13.400 INFO [stderr] 
Nov 28 12:00:13.404 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.404 INFO [stderr]   --> src/main.rs:17:19
Nov 28 12:00:13.404 INFO [stderr]    |
Nov 28 12:00:13.404 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 28 12:00:13.404 INFO [stderr]    |                   ----^
Nov 28 12:00:13.404 INFO [stderr]    |                   |
Nov 28 12:00:13.404 INFO [stderr]    |                   help: remove this `mut`
Nov 28 12:00:13.405 INFO [stderr]    |
Nov 28 12:00:13.405 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 12:00:13.405 INFO [stderr] 
Nov 28 12:00:13.405 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.405 INFO [stderr]   --> src/main.rs:31:28
Nov 28 12:00:13.405 INFO [stderr]    |
Nov 28 12:00:13.405 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 28 12:00:13.405 INFO [stderr]    |                            ----^
Nov 28 12:00:13.405 INFO [stderr]    |                            |
Nov 28 12:00:13.405 INFO [stderr]    |                            help: remove this `mut`
Nov 28 12:00:13.405 INFO [stderr] 
Nov 28 12:00:13.405 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.405 INFO [stderr]   --> src/main.rs:31:40
Nov 28 12:00:13.405 INFO [stderr]    |
Nov 28 12:00:13.405 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 28 12:00:13.405 INFO [stderr]    |                                        ----^
Nov 28 12:00:13.405 INFO [stderr]    |                                        |
Nov 28 12:00:13.405 INFO [stderr]    |                                        help: remove this `mut`
Nov 28 12:00:13.405 INFO [stderr] 
Nov 28 12:00:13.412 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.412 INFO [stderr]   --> src/main.rs:52:14
Nov 28 12:00:13.412 INFO [stderr]    |
Nov 28 12:00:13.412 INFO [stderr] 52 | fn tu_finder(mut n: u64) -> (u64, u64) {
Nov 28 12:00:13.412 INFO [stderr]    |              ----^
Nov 28 12:00:13.412 INFO [stderr]    |              |
Nov 28 12:00:13.412 INFO [stderr]    |              help: remove this `mut`
Nov 28 12:00:13.412 INFO [stderr] 
Nov 28 12:00:13.412 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.412 INFO [stderr]   --> src/main.rs:79:27
Nov 28 12:00:13.412 INFO [stderr]    |
Nov 28 12:00:13.412 INFO [stderr] 79 | fn is_prime_mr_multi_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 28 12:00:13.412 INFO [stderr]    |                           ----^
Nov 28 12:00:13.412 INFO [stderr]    |                           |
Nov 28 12:00:13.412 INFO [stderr]    |                           help: remove this `mut`
Nov 28 12:00:13.412 INFO [stderr] 
Nov 28 12:00:13.412 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.412 INFO [stderr]   --> src/main.rs:82:9
Nov 28 12:00:13.412 INFO [stderr]    |
Nov 28 12:00:13.413 INFO [stderr] 82 |     let mut workers = ThreadPool::new_with_name("worker".into(), num_cpu);
Nov 28 12:00:13.413 INFO [stderr]    |         ----^^^^^^^
Nov 28 12:00:13.413 INFO [stderr]    |         |
Nov 28 12:00:13.413 INFO [stderr]    |         help: remove this `mut`
Nov 28 12:00:13.413 INFO [stderr] 
Nov 28 12:00:13.413 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.413 INFO [stderr]   --> src/main.rs:91:9
Nov 28 12:00:13.413 INFO [stderr]    |
Nov 28 12:00:13.413 INFO [stderr] 91 |     let mut t: u64 = tu_tuple.0;
Nov 28 12:00:13.413 INFO [stderr]    |         ----^
Nov 28 12:00:13.413 INFO [stderr]    |         |
Nov 28 12:00:13.413 INFO [stderr]    |         help: remove this `mut`
Nov 28 12:00:13.413 INFO [stderr] 
Nov 28 12:00:13.413 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.413 INFO [stderr]   --> src/main.rs:92:9
Nov 28 12:00:13.413 INFO [stderr]    |
Nov 28 12:00:13.413 INFO [stderr] 92 |     let mut u: u64 = tu_tuple.1;
Nov 28 12:00:13.413 INFO [stderr]    |         ----^
Nov 28 12:00:13.413 INFO [stderr]    |         |
Nov 28 12:00:13.413 INFO [stderr]    |         help: remove this `mut`
Nov 28 12:00:13.413 INFO [stderr] 
Nov 28 12:00:13.413 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.413 INFO [stderr]    --> src/main.rs:112:28
Nov 28 12:00:13.413 INFO [stderr]     |
Nov 28 12:00:13.413 INFO [stderr] 112 | fn is_prime_mr_single_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 28 12:00:13.413 INFO [stderr]     |                            ----^
Nov 28 12:00:13.413 INFO [stderr]     |                            |
Nov 28 12:00:13.413 INFO [stderr]     |                            help: remove this `mut`
Nov 28 12:00:13.413 INFO [stderr] 
Nov 28 12:00:13.416 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.416 INFO [stderr]    --> src/main.rs:122:9
Nov 28 12:00:13.416 INFO [stderr]     |
Nov 28 12:00:13.416 INFO [stderr] 122 |     let mut t: u64 = tu_tuple.0;
Nov 28 12:00:13.416 INFO [stderr]     |         ----^
Nov 28 12:00:13.416 INFO [stderr]     |         |
Nov 28 12:00:13.416 INFO [stderr]     |         help: remove this `mut`
Nov 28 12:00:13.416 INFO [stderr] 
Nov 28 12:00:13.416 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.416 INFO [stderr]    --> src/main.rs:123:9
Nov 28 12:00:13.416 INFO [stderr]     |
Nov 28 12:00:13.416 INFO [stderr] 123 |     let mut u: u64 = tu_tuple.1;
Nov 28 12:00:13.416 INFO [stderr]     |         ----^
Nov 28 12:00:13.416 INFO [stderr]     |         |
Nov 28 12:00:13.416 INFO [stderr]     |         help: remove this `mut`
Nov 28 12:00:13.416 INFO [stderr] 
Nov 28 12:00:13.420 INFO [stderr] warning: function is never used: `is_prime_naive`
Nov 28 12:00:13.420 INFO [stderr]   --> src/main.rs:17:1
Nov 28 12:00:13.420 INFO [stderr]    |
Nov 28 12:00:13.420 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 28 12:00:13.421 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:00:13.421 INFO [stderr]    |
Nov 28 12:00:13.421 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:00:13.421 INFO [stderr] 
Nov 28 12:00:13.443 INFO [stderr] warning: unused imports: `IndependentSample`, `Range`
Nov 28 12:00:13.443 INFO [stderr]  --> src/main.rs:6:27
Nov 28 12:00:13.443 INFO [stderr]   |
Nov 28 12:00:13.443 INFO [stderr] 6 | use rand::distributions::{IndependentSample, Range};
Nov 28 12:00:13.443 INFO [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
Nov 28 12:00:13.443 INFO [stderr]   |
Nov 28 12:00:13.443 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 12:00:13.443 INFO [stderr] 
Nov 28 12:00:13.443 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 28 12:00:13.443 INFO [stderr]  --> src/main.rs:7:5
Nov 28 12:00:13.443 INFO [stderr]   |
Nov 28 12:00:13.443 INFO [stderr] 7 | use std::collections::HashSet;
Nov 28 12:00:13.443 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:00:13.443 INFO [stderr] 
Nov 28 12:00:13.443 INFO [stderr] warning: unused import: `mersenne_twister::MersenneTwister`
Nov 28 12:00:13.443 INFO [stderr]  --> src/main.rs:9:5
Nov 28 12:00:13.443 INFO [stderr]   |
Nov 28 12:00:13.443 INFO [stderr] 9 | use mersenne_twister::MersenneTwister;
Nov 28 12:00:13.443 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:00:13.443 INFO [stderr] 
Nov 28 12:00:13.443 INFO [stderr] warning: unused imports: `Rng`, `SeedableRng`
Nov 28 12:00:13.443 INFO [stderr]   --> src/main.rs:10:12
Nov 28 12:00:13.443 INFO [stderr]    |
Nov 28 12:00:13.443 INFO [stderr] 10 | use rand::{Rng, SeedableRng};
Nov 28 12:00:13.443 INFO [stderr]    |            ^^^  ^^^^^^^^^^^
Nov 28 12:00:13.443 INFO [stderr] 
Nov 28 12:00:13.443 INFO [stderr] warning: unused import: `Duration`
Nov 28 12:00:13.443 INFO [stderr]   --> src/main.rs:12:17
Nov 28 12:00:13.443 INFO [stderr]    |
Nov 28 12:00:13.443 INFO [stderr] 12 | use std::time::{Duration, Instant};
Nov 28 12:00:13.443 INFO [stderr]    |                 ^^^^^^^^
Nov 28 12:00:13.443 INFO [stderr] 
Nov 28 12:00:13.537 INFO [stderr] warning: value assigned to `tests_per_core` is never read
Nov 28 12:00:13.537 INFO [stderr]   --> src/main.rs:85:9
Nov 28 12:00:13.537 INFO [stderr]    |
Nov 28 12:00:13.537 INFO [stderr] 85 |         tests_per_core = n - 2
Nov 28 12:00:13.537 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 28 12:00:13.537 INFO [stderr]    |
Nov 28 12:00:13.538 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 12:00:13.538 INFO [stderr] 
Nov 28 12:00:13.538 INFO [stderr] warning: unused variable: `num_cpu`
Nov 28 12:00:13.538 INFO [stderr]    --> src/main.rs:113:9
Nov 28 12:00:13.538 INFO [stderr]     |
Nov 28 12:00:13.538 INFO [stderr] 113 |     let num_cpu = num_cpus::get();
Nov 28 12:00:13.538 INFO [stderr]     |         ^^^^^^^ help: consider using `_num_cpu` instead
Nov 28 12:00:13.538 INFO [stderr]     |
Nov 28 12:00:13.538 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 12:00:13.538 INFO [stderr] 
Nov 28 12:00:13.538 INFO [stderr] warning: value assigned to `tests_per_core` is never read
Nov 28 12:00:13.538 INFO [stderr]    --> src/main.rs:116:9
Nov 28 12:00:13.538 INFO [stderr]     |
Nov 28 12:00:13.538 INFO [stderr] 116 |         tests_per_core = n - 2
Nov 28 12:00:13.538 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 28 12:00:13.538 INFO [stderr] 
Nov 28 12:00:13.542 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.542 INFO [stderr]   --> src/main.rs:17:19
Nov 28 12:00:13.542 INFO [stderr]    |
Nov 28 12:00:13.542 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 28 12:00:13.542 INFO [stderr]    |                   ----^
Nov 28 12:00:13.542 INFO [stderr]    |                   |
Nov 28 12:00:13.542 INFO [stderr]    |                   help: remove this `mut`
Nov 28 12:00:13.542 INFO [stderr]    |
Nov 28 12:00:13.542 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 12:00:13.542 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]   --> src/main.rs:31:28
Nov 28 12:00:13.558 INFO [stderr]    |
Nov 28 12:00:13.558 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 28 12:00:13.558 INFO [stderr]    |                            ----^
Nov 28 12:00:13.558 INFO [stderr]    |                            |
Nov 28 12:00:13.558 INFO [stderr]    |                            help: remove this `mut`
Nov 28 12:00:13.558 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]   --> src/main.rs:31:40
Nov 28 12:00:13.558 INFO [stderr]    |
Nov 28 12:00:13.558 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 28 12:00:13.558 INFO [stderr]    |                                        ----^
Nov 28 12:00:13.558 INFO [stderr]    |                                        |
Nov 28 12:00:13.558 INFO [stderr]    |                                        help: remove this `mut`
Nov 28 12:00:13.558 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]   --> src/main.rs:52:14
Nov 28 12:00:13.558 INFO [stderr]    |
Nov 28 12:00:13.558 INFO [stderr] 52 | fn tu_finder(mut n: u64) -> (u64, u64) {
Nov 28 12:00:13.558 INFO [stderr]    |              ----^
Nov 28 12:00:13.558 INFO [stderr]    |              |
Nov 28 12:00:13.558 INFO [stderr]    |              help: remove this `mut`
Nov 28 12:00:13.558 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]   --> src/main.rs:79:27
Nov 28 12:00:13.558 INFO [stderr]    |
Nov 28 12:00:13.558 INFO [stderr] 79 | fn is_prime_mr_multi_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 28 12:00:13.558 INFO [stderr]    |                           ----^
Nov 28 12:00:13.558 INFO [stderr]    |                           |
Nov 28 12:00:13.558 INFO [stderr]    |                           help: remove this `mut`
Nov 28 12:00:13.558 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]   --> src/main.rs:82:9
Nov 28 12:00:13.558 INFO [stderr]    |
Nov 28 12:00:13.558 INFO [stderr] 82 |     let mut workers = ThreadPool::new_with_name("worker".into(), num_cpu);
Nov 28 12:00:13.558 INFO [stderr]    |         ----^^^^^^^
Nov 28 12:00:13.558 INFO [stderr]    |         |
Nov 28 12:00:13.558 INFO [stderr]    |         help: remove this `mut`
Nov 28 12:00:13.558 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]   --> src/main.rs:91:9
Nov 28 12:00:13.558 INFO [stderr]    |
Nov 28 12:00:13.558 INFO [stderr] 91 |     let mut t: u64 = tu_tuple.0;
Nov 28 12:00:13.558 INFO [stderr]    |         ----^
Nov 28 12:00:13.558 INFO [stderr]    |         |
Nov 28 12:00:13.558 INFO [stderr]    |         help: remove this `mut`
Nov 28 12:00:13.558 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]   --> src/main.rs:92:9
Nov 28 12:00:13.558 INFO [stderr]    |
Nov 28 12:00:13.558 INFO [stderr] 92 |     let mut u: u64 = tu_tuple.1;
Nov 28 12:00:13.558 INFO [stderr]    |         ----^
Nov 28 12:00:13.558 INFO [stderr]    |         |
Nov 28 12:00:13.558 INFO [stderr]    |         help: remove this `mut`
Nov 28 12:00:13.558 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]    --> src/main.rs:112:28
Nov 28 12:00:13.558 INFO [stderr]     |
Nov 28 12:00:13.558 INFO [stderr] 112 | fn is_prime_mr_single_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 28 12:00:13.558 INFO [stderr]     |                            ----^
Nov 28 12:00:13.558 INFO [stderr]     |                            |
Nov 28 12:00:13.558 INFO [stderr]     |                            help: remove this `mut`
Nov 28 12:00:13.558 INFO [stderr] 
Nov 28 12:00:13.558 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.558 INFO [stderr]    --> src/main.rs:122:9
Nov 28 12:00:13.559 INFO [stderr]     |
Nov 28 12:00:13.559 INFO [stderr] 122 |     let mut t: u64 = tu_tuple.0;
Nov 28 12:00:13.559 INFO [stderr]     |         ----^
Nov 28 12:00:13.559 INFO [stderr]     |         |
Nov 28 12:00:13.559 INFO [stderr]     |         help: remove this `mut`
Nov 28 12:00:13.559 INFO [stderr] 
Nov 28 12:00:13.559 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:00:13.559 INFO [stderr]    --> src/main.rs:123:9
Nov 28 12:00:13.559 INFO [stderr]     |
Nov 28 12:00:13.559 INFO [stderr] 123 |     let mut u: u64 = tu_tuple.1;
Nov 28 12:00:13.559 INFO [stderr]     |         ----^
Nov 28 12:00:13.559 INFO [stderr]     |         |
Nov 28 12:00:13.559 INFO [stderr]     |         help: remove this `mut`
Nov 28 12:00:13.559 INFO [stderr] 
Nov 28 12:00:13.575 INFO [stderr] warning: function is never used: `is_prime_naive`
Nov 28 12:00:13.575 INFO [stderr]   --> src/main.rs:17:1
Nov 28 12:00:13.575 INFO [stderr]    |
Nov 28 12:00:13.575 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 28 12:00:13.575 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:00:13.575 INFO [stderr]    |
Nov 28 12:00:13.575 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:00:13.575 INFO [stderr] 
Nov 28 12:00:13.588 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
Nov 28 12:00:13.590 INFO [stderr] su: No module specific data is present
Nov 28 12:00:14.154 INFO running `"docker" "inspect" "75c7cab034158f5bef09d966a54b4f1ab97bbdf5c7819b9cb09f2752d1b1d25d"`
Nov 28 12:00:14.442 INFO running `"docker" "rm" "-f" "75c7cab034158f5bef09d966a54b4f1ab97bbdf5c7819b9cb09f2752d1b1d25d"`
Nov 28 12:00:14.696 INFO [stdout] 75c7cab034158f5bef09d966a54b4f1ab97bbdf5c7819b9cb09f2752d1b1d25d