Nov 01 19:08:48.934 INFO testing NewlineCoding/lab_8 against 1.30.0 for beta-1.31-1
Nov 01 19:08:48.934 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-1/1.30.0:/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 +1.30.0 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 19:08:49.303 INFO blam! 97a86432bbcb9dfb490084f01058f08cf608815681d9c26112858e808c43020e
Nov 01 19:08:49.315 INFO running `"docker" "start" "-a" "97a86432bbcb9dfb490084f01058f08cf608815681d9c26112858e808c43020e"`
Nov 01 19:08:50.136 INFO kablam! usermod: no changes
Nov 01 19:08:50.167 INFO kablam!    Compiling mersenne_twister v1.1.0
Nov 01 19:08:51.020 INFO kablam!    Compiling lab_8 v0.1.0 (/source)
Nov 01 19:08:51.447 INFO kablam! warning: unused imports: `IndependentSample`, `Range`
Nov 01 19:08:51.447 INFO kablam!  --> src/main.rs:6:27
Nov 01 19:08:51.447 INFO kablam!   |
Nov 01 19:08:51.447 INFO kablam! 6 | use rand::distributions::{IndependentSample, Range};
Nov 01 19:08:51.447 INFO kablam!   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
Nov 01 19:08:51.447 INFO kablam!   |
Nov 01 19:08:51.447 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 19:08:51.447 INFO kablam! 
Nov 01 19:08:51.447 INFO kablam! warning: unused import: `std::collections::HashSet`
Nov 01 19:08:51.447 INFO kablam!  --> src/main.rs:7:5
Nov 01 19:08:51.447 INFO kablam!   |
Nov 01 19:08:51.447 INFO kablam! 7 | use std::collections::HashSet;
Nov 01 19:08:51.447 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:08:51.447 INFO kablam! 
Nov 01 19:08:51.447 INFO kablam! warning: unused import: `mersenne_twister::MersenneTwister`
Nov 01 19:08:51.447 INFO kablam!  --> src/main.rs:9:5
Nov 01 19:08:51.447 INFO kablam!   |
Nov 01 19:08:51.447 INFO kablam! 9 | use mersenne_twister::MersenneTwister;
Nov 01 19:08:51.447 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:08:51.447 INFO kablam! 
Nov 01 19:08:51.447 INFO kablam! warning: unused imports: `Rng`, `SeedableRng`
Nov 01 19:08:51.447 INFO kablam!   --> src/main.rs:10:12
Nov 01 19:08:51.447 INFO kablam!    |
Nov 01 19:08:51.447 INFO kablam! 10 | use rand::{Rng, SeedableRng};
Nov 01 19:08:51.447 INFO kablam!    |            ^^^  ^^^^^^^^^^^
Nov 01 19:08:51.447 INFO kablam! 
Nov 01 19:08:51.447 INFO kablam! warning: unused import: `Duration`
Nov 01 19:08:51.447 INFO kablam!   --> src/main.rs:12:17
Nov 01 19:08:51.447 INFO kablam!    |
Nov 01 19:08:51.447 INFO kablam! 12 | use std::time::{Duration, Instant};
Nov 01 19:08:51.447 INFO kablam!    |                 ^^^^^^^^
Nov 01 19:08:51.447 INFO kablam! 
Nov 01 19:08:51.492 INFO kablam! warning: value assigned to `tests_per_core` is never read
Nov 01 19:08:51.492 INFO kablam!   --> src/main.rs:85:9
Nov 01 19:08:51.492 INFO kablam!    |
Nov 01 19:08:51.492 INFO kablam! 85 |         tests_per_core = n - 2
Nov 01 19:08:51.492 INFO kablam!    |         ^^^^^^^^^^^^^^
Nov 01 19:08:51.492 INFO kablam!    |
Nov 01 19:08:51.492 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 19:08:51.492 INFO kablam! 
Nov 01 19:08:51.492 INFO kablam! warning: unused variable: `num_cpu`
Nov 01 19:08:51.492 INFO kablam!    --> src/main.rs:113:9
Nov 01 19:08:51.492 INFO kablam!     |
Nov 01 19:08:51.492 INFO kablam! 113 |     let num_cpu = num_cpus::get();
Nov 01 19:08:51.492 INFO kablam!     |         ^^^^^^^ help: consider using `_num_cpu` instead
Nov 01 19:08:51.492 INFO kablam!     |
Nov 01 19:08:51.492 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 19:08:51.492 INFO kablam! 
Nov 01 19:08:51.492 INFO kablam! warning: value assigned to `tests_per_core` is never read
Nov 01 19:08:51.492 INFO kablam!    --> src/main.rs:116:9
Nov 01 19:08:51.493 INFO kablam!     |
Nov 01 19:08:51.493 INFO kablam! 116 |         tests_per_core = n - 2
Nov 01 19:08:51.493 INFO kablam!     |         ^^^^^^^^^^^^^^
Nov 01 19:08:51.493 INFO kablam! 
Nov 01 19:08:51.494 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.494 INFO kablam!   --> src/main.rs:17:19
Nov 01 19:08:51.494 INFO kablam!    |
Nov 01 19:08:51.494 INFO kablam! 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 01 19:08:51.494 INFO kablam!    |                   ----^
Nov 01 19:08:51.494 INFO kablam!    |                   |
Nov 01 19:08:51.494 INFO kablam!    |                   help: remove this `mut`
Nov 01 19:08:51.494 INFO kablam!    |
Nov 01 19:08:51.494 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 19:08:51.494 INFO kablam! 
Nov 01 19:08:51.496 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.496 INFO kablam!   --> src/main.rs:31:28
Nov 01 19:08:51.496 INFO kablam!    |
Nov 01 19:08:51.496 INFO kablam! 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 01 19:08:51.496 INFO kablam!    |                            ----^
Nov 01 19:08:51.496 INFO kablam!    |                            |
Nov 01 19:08:51.496 INFO kablam!    |                            help: remove this `mut`
Nov 01 19:08:51.496 INFO kablam! 
Nov 01 19:08:51.496 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.496 INFO kablam!   --> src/main.rs:31:40
Nov 01 19:08:51.496 INFO kablam!    |
Nov 01 19:08:51.496 INFO kablam! 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 01 19:08:51.496 INFO kablam!    |                                        ----^
Nov 01 19:08:51.496 INFO kablam!    |                                        |
Nov 01 19:08:51.496 INFO kablam!    |                                        help: remove this `mut`
Nov 01 19:08:51.496 INFO kablam! 
Nov 01 19:08:51.497 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.497 INFO kablam!   --> src/main.rs:52:14
Nov 01 19:08:51.497 INFO kablam!    |
Nov 01 19:08:51.498 INFO kablam! 52 | fn tu_finder(mut n: u64) -> (u64, u64) {
Nov 01 19:08:51.498 INFO kablam!    |              ----^
Nov 01 19:08:51.498 INFO kablam!    |              |
Nov 01 19:08:51.498 INFO kablam!    |              help: remove this `mut`
Nov 01 19:08:51.498 INFO kablam! 
Nov 01 19:08:51.500 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.500 INFO kablam!   --> src/main.rs:79:27
Nov 01 19:08:51.500 INFO kablam!    |
Nov 01 19:08:51.500 INFO kablam! 79 | fn is_prime_mr_multi_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 01 19:08:51.500 INFO kablam!    |                           ----^
Nov 01 19:08:51.500 INFO kablam!    |                           |
Nov 01 19:08:51.500 INFO kablam!    |                           help: remove this `mut`
Nov 01 19:08:51.500 INFO kablam! 
Nov 01 19:08:51.500 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.500 INFO kablam!   --> src/main.rs:82:9
Nov 01 19:08:51.500 INFO kablam!    |
Nov 01 19:08:51.500 INFO kablam! 82 |     let mut workers = ThreadPool::new_with_name("worker".into(), num_cpu);
Nov 01 19:08:51.500 INFO kablam!    |         ----^^^^^^^
Nov 01 19:08:51.500 INFO kablam!    |         |
Nov 01 19:08:51.500 INFO kablam!    |         help: remove this `mut`
Nov 01 19:08:51.500 INFO kablam! 
Nov 01 19:08:51.500 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.500 INFO kablam!   --> src/main.rs:91:9
Nov 01 19:08:51.500 INFO kablam!    |
Nov 01 19:08:51.500 INFO kablam! 91 |     let mut t: u64 = tu_tuple.0;
Nov 01 19:08:51.500 INFO kablam!    |         ----^
Nov 01 19:08:51.500 INFO kablam!    |         |
Nov 01 19:08:51.500 INFO kablam!    |         help: remove this `mut`
Nov 01 19:08:51.500 INFO kablam! 
Nov 01 19:08:51.500 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.500 INFO kablam!   --> src/main.rs:92:9
Nov 01 19:08:51.500 INFO kablam!    |
Nov 01 19:08:51.500 INFO kablam! 92 |     let mut u: u64 = tu_tuple.1;
Nov 01 19:08:51.500 INFO kablam!    |         ----^
Nov 01 19:08:51.500 INFO kablam!    |         |
Nov 01 19:08:51.500 INFO kablam!    |         help: remove this `mut`
Nov 01 19:08:51.500 INFO kablam! 
Nov 01 19:08:51.501 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.501 INFO kablam!    --> src/main.rs:112:28
Nov 01 19:08:51.501 INFO kablam!     |
Nov 01 19:08:51.501 INFO kablam! 112 | fn is_prime_mr_single_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 01 19:08:51.501 INFO kablam!     |                            ----^
Nov 01 19:08:51.501 INFO kablam!     |                            |
Nov 01 19:08:51.501 INFO kablam!     |                            help: remove this `mut`
Nov 01 19:08:51.501 INFO kablam! 
Nov 01 19:08:51.501 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.501 INFO kablam!    --> src/main.rs:122:9
Nov 01 19:08:51.501 INFO kablam!     |
Nov 01 19:08:51.501 INFO kablam! 122 |     let mut t: u64 = tu_tuple.0;
Nov 01 19:08:51.501 INFO kablam!     |         ----^
Nov 01 19:08:51.501 INFO kablam!     |         |
Nov 01 19:08:51.501 INFO kablam!     |         help: remove this `mut`
Nov 01 19:08:51.501 INFO kablam! 
Nov 01 19:08:51.501 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:51.501 INFO kablam!    --> src/main.rs:123:9
Nov 01 19:08:51.501 INFO kablam!     |
Nov 01 19:08:51.501 INFO kablam! 123 |     let mut u: u64 = tu_tuple.1;
Nov 01 19:08:51.501 INFO kablam!     |         ----^
Nov 01 19:08:51.501 INFO kablam!     |         |
Nov 01 19:08:51.501 INFO kablam!     |         help: remove this `mut`
Nov 01 19:08:51.501 INFO kablam! 
Nov 01 19:08:51.504 INFO kablam! warning: function is never used: `is_prime_naive`
Nov 01 19:08:51.504 INFO kablam!   --> src/main.rs:17:1
Nov 01 19:08:51.504 INFO kablam!    |
Nov 01 19:08:51.504 INFO kablam! 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 01 19:08:51.504 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:08:51.504 INFO kablam!    |
Nov 01 19:08:51.504 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 19:08:51.504 INFO kablam! 
Nov 01 19:08:52.139 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Nov 01 19:08:52.142 INFO kablam! su: No module specific data is present
Nov 01 19:08:53.265 INFO running `"docker" "rm" "-f" "97a86432bbcb9dfb490084f01058f08cf608815681d9c26112858e808c43020e"`
Nov 01 19:08:53.393 INFO blam! 97a86432bbcb9dfb490084f01058f08cf608815681d9c26112858e808c43020e
Nov 01 19:08:53.397 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 19:08:53.556 INFO blam! 526d60d4c1d3b365d84df2e0bce6e2331b1b279f3e992b9a5a84893a61e9b65c
Nov 01 19:08:53.558 INFO running `"docker" "start" "-a" "526d60d4c1d3b365d84df2e0bce6e2331b1b279f3e992b9a5a84893a61e9b65c"`
Nov 01 19:08:53.966 INFO kablam! usermod: no changes
Nov 01 19:08:54.007 INFO kablam!    Compiling lab_8 v0.1.0 (/source)
Nov 01 19:08:54.522 INFO kablam! warning: unused imports: `IndependentSample`, `Range`
Nov 01 19:08:54.522 INFO kablam!  --> src/main.rs:6:27
Nov 01 19:08:54.522 INFO kablam!   |
Nov 01 19:08:54.522 INFO kablam! 6 | use rand::distributions::{IndependentSample, Range};
Nov 01 19:08:54.522 INFO kablam!   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
Nov 01 19:08:54.522 INFO kablam!   |
Nov 01 19:08:54.522 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 19:08:54.522 INFO kablam! 
Nov 01 19:08:54.522 INFO kablam! warning: unused import: `std::collections::HashSet`
Nov 01 19:08:54.522 INFO kablam!  --> src/main.rs:7:5
Nov 01 19:08:54.522 INFO kablam!   |
Nov 01 19:08:54.522 INFO kablam! 7 | use std::collections::HashSet;
Nov 01 19:08:54.522 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:08:54.522 INFO kablam! 
Nov 01 19:08:54.522 INFO kablam! warning: unused import: `mersenne_twister::MersenneTwister`
Nov 01 19:08:54.522 INFO kablam!  --> src/main.rs:9:5
Nov 01 19:08:54.522 INFO kablam!   |
Nov 01 19:08:54.522 INFO kablam! 9 | use mersenne_twister::MersenneTwister;
Nov 01 19:08:54.522 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:08:54.522 INFO kablam! 
Nov 01 19:08:54.522 INFO kablam! warning: unused imports: `Rng`, `SeedableRng`
Nov 01 19:08:54.522 INFO kablam!   --> src/main.rs:10:12
Nov 01 19:08:54.522 INFO kablam!    |
Nov 01 19:08:54.522 INFO kablam! 10 | use rand::{Rng, SeedableRng};
Nov 01 19:08:54.522 INFO kablam!    |            ^^^  ^^^^^^^^^^^
Nov 01 19:08:54.522 INFO kablam! 
Nov 01 19:08:54.522 INFO kablam! warning: unused import: `Duration`
Nov 01 19:08:54.522 INFO kablam!   --> src/main.rs:12:17
Nov 01 19:08:54.522 INFO kablam!    |
Nov 01 19:08:54.523 INFO kablam! 12 | use std::time::{Duration, Instant};
Nov 01 19:08:54.523 INFO kablam!    |                 ^^^^^^^^
Nov 01 19:08:54.523 INFO kablam! 
Nov 01 19:08:54.586 INFO kablam! warning: value assigned to `tests_per_core` is never read
Nov 01 19:08:54.586 INFO kablam!   --> src/main.rs:85:9
Nov 01 19:08:54.586 INFO kablam!    |
Nov 01 19:08:54.586 INFO kablam! 85 |         tests_per_core = n - 2
Nov 01 19:08:54.586 INFO kablam!    |         ^^^^^^^^^^^^^^
Nov 01 19:08:54.586 INFO kablam!    |
Nov 01 19:08:54.587 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 19:08:54.587 INFO kablam! 
Nov 01 19:08:54.587 INFO kablam! warning: unused variable: `num_cpu`
Nov 01 19:08:54.587 INFO kablam!    --> src/main.rs:113:9
Nov 01 19:08:54.587 INFO kablam!     |
Nov 01 19:08:54.587 INFO kablam! 113 |     let num_cpu = num_cpus::get();
Nov 01 19:08:54.587 INFO kablam!     |         ^^^^^^^ help: consider using `_num_cpu` instead
Nov 01 19:08:54.587 INFO kablam!     |
Nov 01 19:08:54.587 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 19:08:54.587 INFO kablam! 
Nov 01 19:08:54.587 INFO kablam! warning: value assigned to `tests_per_core` is never read
Nov 01 19:08:54.587 INFO kablam!    --> src/main.rs:116:9
Nov 01 19:08:54.587 INFO kablam!     |
Nov 01 19:08:54.587 INFO kablam! 116 |         tests_per_core = n - 2
Nov 01 19:08:54.587 INFO kablam!     |         ^^^^^^^^^^^^^^
Nov 01 19:08:54.587 INFO kablam! 
Nov 01 19:08:54.588 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.588 INFO kablam!   --> src/main.rs:17:19
Nov 01 19:08:54.588 INFO kablam!    |
Nov 01 19:08:54.588 INFO kablam! 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 01 19:08:54.588 INFO kablam!    |                   ----^
Nov 01 19:08:54.588 INFO kablam!    |                   |
Nov 01 19:08:54.588 INFO kablam!    |                   help: remove this `mut`
Nov 01 19:08:54.588 INFO kablam!    |
Nov 01 19:08:54.588 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 19:08:54.588 INFO kablam! 
Nov 01 19:08:54.591 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.591 INFO kablam!   --> src/main.rs:31:28
Nov 01 19:08:54.591 INFO kablam!    |
Nov 01 19:08:54.591 INFO kablam! 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 01 19:08:54.591 INFO kablam!    |                            ----^
Nov 01 19:08:54.591 INFO kablam!    |                            |
Nov 01 19:08:54.591 INFO kablam!    |                            help: remove this `mut`
Nov 01 19:08:54.591 INFO kablam! 
Nov 01 19:08:54.591 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.591 INFO kablam!   --> src/main.rs:31:40
Nov 01 19:08:54.591 INFO kablam!    |
Nov 01 19:08:54.591 INFO kablam! 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 01 19:08:54.591 INFO kablam!    |                                        ----^
Nov 01 19:08:54.591 INFO kablam!    |                                        |
Nov 01 19:08:54.591 INFO kablam!    |                                        help: remove this `mut`
Nov 01 19:08:54.591 INFO kablam! 
Nov 01 19:08:54.591 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.591 INFO kablam!   --> src/main.rs:52:14
Nov 01 19:08:54.591 INFO kablam!    |
Nov 01 19:08:54.591 INFO kablam! 52 | fn tu_finder(mut n: u64) -> (u64, u64) {
Nov 01 19:08:54.591 INFO kablam!    |              ----^
Nov 01 19:08:54.591 INFO kablam!    |              |
Nov 01 19:08:54.591 INFO kablam!    |              help: remove this `mut`
Nov 01 19:08:54.592 INFO kablam! 
Nov 01 19:08:54.595 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.595 INFO kablam!   --> src/main.rs:79:27
Nov 01 19:08:54.595 INFO kablam!    |
Nov 01 19:08:54.595 INFO kablam! 79 | fn is_prime_mr_multi_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 01 19:08:54.595 INFO kablam!    |                           ----^
Nov 01 19:08:54.595 INFO kablam!    |                           |
Nov 01 19:08:54.595 INFO kablam!    |                           help: remove this `mut`
Nov 01 19:08:54.595 INFO kablam! 
Nov 01 19:08:54.595 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.595 INFO kablam!   --> src/main.rs:82:9
Nov 01 19:08:54.595 INFO kablam!    |
Nov 01 19:08:54.595 INFO kablam! 82 |     let mut workers = ThreadPool::new_with_name("worker".into(), num_cpu);
Nov 01 19:08:54.595 INFO kablam!    |         ----^^^^^^^
Nov 01 19:08:54.595 INFO kablam!    |         |
Nov 01 19:08:54.595 INFO kablam!    |         help: remove this `mut`
Nov 01 19:08:54.595 INFO kablam! 
Nov 01 19:08:54.596 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.596 INFO kablam!   --> src/main.rs:91:9
Nov 01 19:08:54.596 INFO kablam!    |
Nov 01 19:08:54.596 INFO kablam! 91 |     let mut t: u64 = tu_tuple.0;
Nov 01 19:08:54.596 INFO kablam!    |         ----^
Nov 01 19:08:54.596 INFO kablam!    |         |
Nov 01 19:08:54.596 INFO kablam!    |         help: remove this `mut`
Nov 01 19:08:54.596 INFO kablam! 
Nov 01 19:08:54.596 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.596 INFO kablam!   --> src/main.rs:92:9
Nov 01 19:08:54.596 INFO kablam!    |
Nov 01 19:08:54.596 INFO kablam! 92 |     let mut u: u64 = tu_tuple.1;
Nov 01 19:08:54.596 INFO kablam!    |         ----^
Nov 01 19:08:54.596 INFO kablam!    |         |
Nov 01 19:08:54.596 INFO kablam!    |         help: remove this `mut`
Nov 01 19:08:54.596 INFO kablam! 
Nov 01 19:08:54.597 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.597 INFO kablam!    --> src/main.rs:112:28
Nov 01 19:08:54.597 INFO kablam!     |
Nov 01 19:08:54.597 INFO kablam! 112 | fn is_prime_mr_single_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 01 19:08:54.597 INFO kablam!     |                            ----^
Nov 01 19:08:54.597 INFO kablam!     |                            |
Nov 01 19:08:54.597 INFO kablam!     |                            help: remove this `mut`
Nov 01 19:08:54.597 INFO kablam! 
Nov 01 19:08:54.598 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.598 INFO kablam!    --> src/main.rs:122:9
Nov 01 19:08:54.598 INFO kablam!     |
Nov 01 19:08:54.598 INFO kablam! 122 |     let mut t: u64 = tu_tuple.0;
Nov 01 19:08:54.598 INFO kablam!     |         ----^
Nov 01 19:08:54.598 INFO kablam!     |         |
Nov 01 19:08:54.598 INFO kablam!     |         help: remove this `mut`
Nov 01 19:08:54.598 INFO kablam! 
Nov 01 19:08:54.598 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:08:54.598 INFO kablam!    --> src/main.rs:123:9
Nov 01 19:08:54.598 INFO kablam!     |
Nov 01 19:08:54.598 INFO kablam! 123 |     let mut u: u64 = tu_tuple.1;
Nov 01 19:08:54.598 INFO kablam!     |         ----^
Nov 01 19:08:54.598 INFO kablam!     |         |
Nov 01 19:08:54.598 INFO kablam!     |         help: remove this `mut`
Nov 01 19:08:54.598 INFO kablam! 
Nov 01 19:08:54.602 INFO kablam! warning: function is never used: `is_prime_naive`
Nov 01 19:08:54.602 INFO kablam!   --> src/main.rs:17:1
Nov 01 19:08:54.602 INFO kablam!    |
Nov 01 19:08:54.602 INFO kablam! 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 01 19:08:54.602 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:08:54.602 INFO kablam!    |
Nov 01 19:08:54.602 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 19:08:54.602 INFO kablam! 
Nov 01 19:08:54.920 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Nov 01 19:08:54.922 INFO kablam! su: No module specific data is present
Nov 01 19:08:55.311 INFO running `"docker" "rm" "-f" "526d60d4c1d3b365d84df2e0bce6e2331b1b279f3e992b9a5a84893a61e9b65c"`
Nov 01 19:08:55.435 INFO blam! 526d60d4c1d3b365d84df2e0bce6e2331b1b279f3e992b9a5a84893a61e9b65c
Nov 01 19:08:55.442 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 19:08:55.679 INFO blam! 138ec2489324c2c8b3959e51ef1d30ddb2e3709132057c892dcd6980a2b49494
Nov 01 19:08:55.681 INFO running `"docker" "start" "-a" "138ec2489324c2c8b3959e51ef1d30ddb2e3709132057c892dcd6980a2b49494"`
Nov 01 19:08:56.053 INFO kablam! usermod: no changes
Nov 01 19:08:56.086 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 01 19:08:56.097 INFO kablam!      Running /target/debug/deps/lab_8-de7b6c33a0c1c46d
Nov 01 19:08:56.099 INFO blam! 
Nov 01 19:08:56.100 INFO blam! running 0 tests
Nov 01 19:08:56.100 INFO blam! 
Nov 01 19:08:56.100 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 19:08:56.100 INFO blam! 
Nov 01 19:08:56.102 INFO kablam! su: No module specific data is present
Nov 01 19:08:56.723 INFO running `"docker" "rm" "-f" "138ec2489324c2c8b3959e51ef1d30ddb2e3709132057c892dcd6980a2b49494"`
Nov 01 19:08:56.935 INFO blam! 138ec2489324c2c8b3959e51ef1d30ddb2e3709132057c892dcd6980a2b49494
