Nov 17 13:08:41.500 INFO testing NewlineCoding/lab_8 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 13:08:41.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 13:08:41.979 INFO [stdout] 4afa305a76d4f36a461cac5eb2425eeb8b63c14a4dcbd2e0107d06dab53b1ec9
Nov 17 13:08:41.980 INFO running `"docker" "start" "-a" "4afa305a76d4f36a461cac5eb2425eeb8b63c14a4dcbd2e0107d06dab53b1ec9"`
Nov 17 13:08:42.735 INFO [stderr] usermod: no changes
Nov 17 13:08:42.780 INFO [stderr]    Compiling mersenne_twister v1.1.0
Nov 17 13:08:43.783 INFO [stderr]    Compiling lab_8 v0.1.0 (/source)
Nov 17 13:08:44.255 INFO [stderr] warning: unused imports: `IndependentSample`, `Range`
Nov 17 13:08:44.256 INFO [stderr]  --> src/main.rs:6:27
Nov 17 13:08:44.256 INFO [stderr]   |
Nov 17 13:08:44.256 INFO [stderr] 6 | use rand::distributions::{IndependentSample, Range};
Nov 17 13:08:44.257 INFO [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
Nov 17 13:08:44.257 INFO [stderr]   |
Nov 17 13:08:44.257 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 13:08:44.258 INFO [stderr] 
Nov 17 13:08:44.258 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 17 13:08:44.258 INFO [stderr]  --> src/main.rs:7:5
Nov 17 13:08:44.258 INFO [stderr]   |
Nov 17 13:08:44.259 INFO [stderr] 7 | use std::collections::HashSet;
Nov 17 13:08:44.259 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:08:44.259 INFO [stderr] 
Nov 17 13:08:44.260 INFO [stderr] warning: unused import: `mersenne_twister::MersenneTwister`
Nov 17 13:08:44.260 INFO [stderr]  --> src/main.rs:9:5
Nov 17 13:08:44.260 INFO [stderr]   |
Nov 17 13:08:44.260 INFO [stderr] 9 | use mersenne_twister::MersenneTwister;
Nov 17 13:08:44.261 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:08:44.261 INFO [stderr] 
Nov 17 13:08:44.261 INFO [stderr] warning: unused imports: `Rng`, `SeedableRng`
Nov 17 13:08:44.262 INFO [stderr]   --> src/main.rs:10:12
Nov 17 13:08:44.262 INFO [stderr]    |
Nov 17 13:08:44.262 INFO [stderr] 10 | use rand::{Rng, SeedableRng};
Nov 17 13:08:44.262 INFO [stderr]    |            ^^^  ^^^^^^^^^^^
Nov 17 13:08:44.263 INFO [stderr] 
Nov 17 13:08:44.263 INFO [stderr] warning: unused import: `Duration`
Nov 17 13:08:44.263 INFO [stderr]   --> src/main.rs:12:17
Nov 17 13:08:44.264 INFO [stderr]    |
Nov 17 13:08:44.264 INFO [stderr] 12 | use std::time::{Duration, Instant};
Nov 17 13:08:44.264 INFO [stderr]    |                 ^^^^^^^^
Nov 17 13:08:44.264 INFO [stderr] 
Nov 17 13:08:44.320 INFO [stderr] warning: value assigned to `tests_per_core` is never read
Nov 17 13:08:44.320 INFO [stderr]   --> src/main.rs:85:9
Nov 17 13:08:44.321 INFO [stderr]    |
Nov 17 13:08:44.321 INFO [stderr] 85 |         tests_per_core = n - 2
Nov 17 13:08:44.321 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 17 13:08:44.322 INFO [stderr]    |
Nov 17 13:08:44.322 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 13:08:44.322 INFO [stderr] 
Nov 17 13:08:44.322 INFO [stderr] warning: unused variable: `num_cpu`
Nov 17 13:08:44.323 INFO [stderr]    --> src/main.rs:113:9
Nov 17 13:08:44.323 INFO [stderr]     |
Nov 17 13:08:44.323 INFO [stderr] 113 |     let num_cpu = num_cpus::get();
Nov 17 13:08:44.324 INFO [stderr]     |         ^^^^^^^ help: consider using `_num_cpu` instead
Nov 17 13:08:44.324 INFO [stderr]     |
Nov 17 13:08:44.324 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 13:08:44.325 INFO [stderr] 
Nov 17 13:08:44.325 INFO [stderr] warning: value assigned to `tests_per_core` is never read
Nov 17 13:08:44.325 INFO [stderr]    --> src/main.rs:116:9
Nov 17 13:08:44.325 INFO [stderr]     |
Nov 17 13:08:44.326 INFO [stderr] 116 |         tests_per_core = n - 2
Nov 17 13:08:44.326 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 17 13:08:44.326 INFO [stderr] 
Nov 17 13:08:44.327 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.327 INFO [stderr]   --> src/main.rs:17:19
Nov 17 13:08:44.327 INFO [stderr]    |
Nov 17 13:08:44.328 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 17 13:08:44.328 INFO [stderr]    |                   ----^
Nov 17 13:08:44.328 INFO [stderr]    |                   |
Nov 17 13:08:44.329 INFO [stderr]    |                   help: remove this `mut`
Nov 17 13:08:44.329 INFO [stderr]    |
Nov 17 13:08:44.329 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 13:08:44.329 INFO [stderr] 
Nov 17 13:08:44.330 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.330 INFO [stderr]   --> src/main.rs:31:28
Nov 17 13:08:44.330 INFO [stderr]    |
Nov 17 13:08:44.332 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 17 13:08:44.333 INFO [stderr]    |                            ----^
Nov 17 13:08:44.333 INFO [stderr]    |                            |
Nov 17 13:08:44.333 INFO [stderr]    |                            help: remove this `mut`
Nov 17 13:08:44.333 INFO [stderr] 
Nov 17 13:08:44.334 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.334 INFO [stderr]   --> src/main.rs:31:40
Nov 17 13:08:44.334 INFO [stderr]    |
Nov 17 13:08:44.335 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 17 13:08:44.335 INFO [stderr]    |                                        ----^
Nov 17 13:08:44.335 INFO [stderr]    |                                        |
Nov 17 13:08:44.335 INFO [stderr]    |                                        help: remove this `mut`
Nov 17 13:08:44.336 INFO [stderr] 
Nov 17 13:08:44.336 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.336 INFO [stderr]   --> src/main.rs:52:14
Nov 17 13:08:44.337 INFO [stderr]    |
Nov 17 13:08:44.337 INFO [stderr] 52 | fn tu_finder(mut n: u64) -> (u64, u64) {
Nov 17 13:08:44.337 INFO [stderr]    |              ----^
Nov 17 13:08:44.337 INFO [stderr]    |              |
Nov 17 13:08:44.338 INFO [stderr]    |              help: remove this `mut`
Nov 17 13:08:44.338 INFO [stderr] 
Nov 17 13:08:44.339 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.339 INFO [stderr]   --> src/main.rs:79:27
Nov 17 13:08:44.339 INFO [stderr]    |
Nov 17 13:08:44.339 INFO [stderr] 79 | fn is_prime_mr_multi_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 17 13:08:44.339 INFO [stderr]    |                           ----^
Nov 17 13:08:44.339 INFO [stderr]    |                           |
Nov 17 13:08:44.339 INFO [stderr]    |                           help: remove this `mut`
Nov 17 13:08:44.339 INFO [stderr] 
Nov 17 13:08:44.339 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.339 INFO [stderr]   --> src/main.rs:82:9
Nov 17 13:08:44.339 INFO [stderr]    |
Nov 17 13:08:44.339 INFO [stderr] 82 |     let mut workers = ThreadPool::new_with_name("worker".into(), num_cpu);
Nov 17 13:08:44.339 INFO [stderr]    |         ----^^^^^^^
Nov 17 13:08:44.339 INFO [stderr]    |         |
Nov 17 13:08:44.339 INFO [stderr]    |         help: remove this `mut`
Nov 17 13:08:44.339 INFO [stderr] 
Nov 17 13:08:44.339 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.339 INFO [stderr]   --> src/main.rs:91:9
Nov 17 13:08:44.339 INFO [stderr]    |
Nov 17 13:08:44.339 INFO [stderr] 91 |     let mut t: u64 = tu_tuple.0;
Nov 17 13:08:44.339 INFO [stderr]    |         ----^
Nov 17 13:08:44.339 INFO [stderr]    |         |
Nov 17 13:08:44.339 INFO [stderr]    |         help: remove this `mut`
Nov 17 13:08:44.339 INFO [stderr] 
Nov 17 13:08:44.339 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.339 INFO [stderr]   --> src/main.rs:92:9
Nov 17 13:08:44.339 INFO [stderr]    |
Nov 17 13:08:44.339 INFO [stderr] 92 |     let mut u: u64 = tu_tuple.1;
Nov 17 13:08:44.339 INFO [stderr]    |         ----^
Nov 17 13:08:44.339 INFO [stderr]    |         |
Nov 17 13:08:44.339 INFO [stderr]    |         help: remove this `mut`
Nov 17 13:08:44.339 INFO [stderr] 
Nov 17 13:08:44.339 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.339 INFO [stderr]    --> src/main.rs:112:28
Nov 17 13:08:44.339 INFO [stderr]     |
Nov 17 13:08:44.339 INFO [stderr] 112 | fn is_prime_mr_single_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 17 13:08:44.339 INFO [stderr]     |                            ----^
Nov 17 13:08:44.339 INFO [stderr]     |                            |
Nov 17 13:08:44.339 INFO [stderr]     |                            help: remove this `mut`
Nov 17 13:08:44.339 INFO [stderr] 
Nov 17 13:08:44.339 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.339 INFO [stderr]    --> src/main.rs:122:9
Nov 17 13:08:44.339 INFO [stderr]     |
Nov 17 13:08:44.339 INFO [stderr] 122 |     let mut t: u64 = tu_tuple.0;
Nov 17 13:08:44.339 INFO [stderr]     |         ----^
Nov 17 13:08:44.339 INFO [stderr]     |         |
Nov 17 13:08:44.340 INFO [stderr]     |         help: remove this `mut`
Nov 17 13:08:44.340 INFO [stderr] 
Nov 17 13:08:44.340 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:44.340 INFO [stderr]    --> src/main.rs:123:9
Nov 17 13:08:44.340 INFO [stderr]     |
Nov 17 13:08:44.340 INFO [stderr] 123 |     let mut u: u64 = tu_tuple.1;
Nov 17 13:08:44.340 INFO [stderr]     |         ----^
Nov 17 13:08:44.340 INFO [stderr]     |         |
Nov 17 13:08:44.340 INFO [stderr]     |         help: remove this `mut`
Nov 17 13:08:44.340 INFO [stderr] 
Nov 17 13:08:44.340 INFO [stderr] warning: function is never used: `is_prime_naive`
Nov 17 13:08:44.340 INFO [stderr]   --> src/main.rs:17:1
Nov 17 13:08:44.340 INFO [stderr]    |
Nov 17 13:08:44.340 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 17 13:08:44.340 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:08:44.340 INFO [stderr]    |
Nov 17 13:08:44.340 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 13:08:44.340 INFO [stderr] 
Nov 17 13:08:45.499 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
Nov 17 13:08:45.502 INFO [stderr] su: No module specific data is present
Nov 17 13:08:47.083 INFO running `"docker" "inspect" "4afa305a76d4f36a461cac5eb2425eeb8b63c14a4dcbd2e0107d06dab53b1ec9"`
Nov 17 13:08:47.211 INFO running `"docker" "rm" "-f" "4afa305a76d4f36a461cac5eb2425eeb8b63c14a4dcbd2e0107d06dab53b1ec9"`
Nov 17 13:08:47.383 INFO [stdout] 4afa305a76d4f36a461cac5eb2425eeb8b63c14a4dcbd2e0107d06dab53b1ec9
Nov 17 13:08:47.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 13:08:47.582 INFO [stdout] 68ae913c9819b7f199fcd3bc815419e39d58139ebd17e684fb6eaf01d15d4c8c
Nov 17 13:08:47.584 INFO running `"docker" "start" "-a" "68ae913c9819b7f199fcd3bc815419e39d58139ebd17e684fb6eaf01d15d4c8c"`
Nov 17 13:08:48.372 INFO [stderr] usermod: no changes
Nov 17 13:08:48.424 INFO [stderr]    Compiling lab_8 v0.1.0 (/source)
Nov 17 13:08:48.927 INFO [stderr] warning: unused imports: `IndependentSample`, `Range`
Nov 17 13:08:48.927 INFO [stderr]  --> src/main.rs:6:27
Nov 17 13:08:48.927 INFO [stderr]   |
Nov 17 13:08:48.927 INFO [stderr] 6 | use rand::distributions::{IndependentSample, Range};
Nov 17 13:08:48.927 INFO [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
Nov 17 13:08:48.927 INFO [stderr]   |
Nov 17 13:08:48.927 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 13:08:48.927 INFO [stderr] 
Nov 17 13:08:48.927 INFO [stderr] warning: unused import: `std::collections::HashSet`
Nov 17 13:08:48.927 INFO [stderr]  --> src/main.rs:7:5
Nov 17 13:08:48.927 INFO [stderr]   |
Nov 17 13:08:48.927 INFO [stderr] 7 | use std::collections::HashSet;
Nov 17 13:08:48.927 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:08:48.927 INFO [stderr] 
Nov 17 13:08:48.927 INFO [stderr] warning: unused import: `mersenne_twister::MersenneTwister`
Nov 17 13:08:48.927 INFO [stderr]  --> src/main.rs:9:5
Nov 17 13:08:48.927 INFO [stderr]   |
Nov 17 13:08:48.927 INFO [stderr] 9 | use mersenne_twister::MersenneTwister;
Nov 17 13:08:48.927 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:08:48.927 INFO [stderr] 
Nov 17 13:08:48.927 INFO [stderr] warning: unused imports: `Rng`, `SeedableRng`
Nov 17 13:08:48.927 INFO [stderr]   --> src/main.rs:10:12
Nov 17 13:08:48.927 INFO [stderr]    |
Nov 17 13:08:48.927 INFO [stderr] 10 | use rand::{Rng, SeedableRng};
Nov 17 13:08:48.927 INFO [stderr]    |            ^^^  ^^^^^^^^^^^
Nov 17 13:08:48.927 INFO [stderr] 
Nov 17 13:08:48.927 INFO [stderr] warning: unused import: `Duration`
Nov 17 13:08:48.927 INFO [stderr]   --> src/main.rs:12:17
Nov 17 13:08:48.927 INFO [stderr]    |
Nov 17 13:08:48.927 INFO [stderr] 12 | use std::time::{Duration, Instant};
Nov 17 13:08:48.927 INFO [stderr]    |                 ^^^^^^^^
Nov 17 13:08:48.927 INFO [stderr] 
Nov 17 13:08:48.987 INFO [stderr] warning: value assigned to `tests_per_core` is never read
Nov 17 13:08:48.987 INFO [stderr]   --> src/main.rs:85:9
Nov 17 13:08:48.987 INFO [stderr]    |
Nov 17 13:08:48.987 INFO [stderr] 85 |         tests_per_core = n - 2
Nov 17 13:08:48.987 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 17 13:08:48.987 INFO [stderr]    |
Nov 17 13:08:48.987 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 13:08:48.987 INFO [stderr] 
Nov 17 13:08:48.987 INFO [stderr] warning: unused variable: `num_cpu`
Nov 17 13:08:48.987 INFO [stderr]    --> src/main.rs:113:9
Nov 17 13:08:48.987 INFO [stderr]     |
Nov 17 13:08:48.987 INFO [stderr] 113 |     let num_cpu = num_cpus::get();
Nov 17 13:08:48.987 INFO [stderr]     |         ^^^^^^^ help: consider using `_num_cpu` instead
Nov 17 13:08:48.987 INFO [stderr]     |
Nov 17 13:08:48.987 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 13:08:48.987 INFO [stderr] 
Nov 17 13:08:48.987 INFO [stderr] warning: value assigned to `tests_per_core` is never read
Nov 17 13:08:48.987 INFO [stderr]    --> src/main.rs:116:9
Nov 17 13:08:48.987 INFO [stderr]     |
Nov 17 13:08:48.987 INFO [stderr] 116 |         tests_per_core = n - 2
Nov 17 13:08:48.987 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 17 13:08:48.987 INFO [stderr] 
Nov 17 13:08:48.990 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.990 INFO [stderr]   --> src/main.rs:17:19
Nov 17 13:08:48.990 INFO [stderr]    |
Nov 17 13:08:48.990 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 17 13:08:48.990 INFO [stderr]    |                   ----^
Nov 17 13:08:48.990 INFO [stderr]    |                   |
Nov 17 13:08:48.990 INFO [stderr]    |                   help: remove this `mut`
Nov 17 13:08:48.990 INFO [stderr]    |
Nov 17 13:08:48.990 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 13:08:48.990 INFO [stderr] 
Nov 17 13:08:48.991 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.991 INFO [stderr]   --> src/main.rs:31:28
Nov 17 13:08:48.991 INFO [stderr]    |
Nov 17 13:08:48.991 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 17 13:08:48.991 INFO [stderr]    |                            ----^
Nov 17 13:08:48.991 INFO [stderr]    |                            |
Nov 17 13:08:48.991 INFO [stderr]    |                            help: remove this `mut`
Nov 17 13:08:48.991 INFO [stderr] 
Nov 17 13:08:48.991 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.991 INFO [stderr]   --> src/main.rs:31:40
Nov 17 13:08:48.991 INFO [stderr]    |
Nov 17 13:08:48.991 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 {
Nov 17 13:08:48.991 INFO [stderr]    |                                        ----^
Nov 17 13:08:48.991 INFO [stderr]    |                                        |
Nov 17 13:08:48.991 INFO [stderr]    |                                        help: remove this `mut`
Nov 17 13:08:48.991 INFO [stderr] 
Nov 17 13:08:48.991 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.991 INFO [stderr]   --> src/main.rs:52:14
Nov 17 13:08:48.991 INFO [stderr]    |
Nov 17 13:08:48.991 INFO [stderr] 52 | fn tu_finder(mut n: u64) -> (u64, u64) {
Nov 17 13:08:48.991 INFO [stderr]    |              ----^
Nov 17 13:08:48.991 INFO [stderr]    |              |
Nov 17 13:08:48.991 INFO [stderr]    |              help: remove this `mut`
Nov 17 13:08:48.991 INFO [stderr] 
Nov 17 13:08:48.999 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.999 INFO [stderr]   --> src/main.rs:79:27
Nov 17 13:08:48.999 INFO [stderr]    |
Nov 17 13:08:48.999 INFO [stderr] 79 | fn is_prime_mr_multi_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 17 13:08:48.999 INFO [stderr]    |                           ----^
Nov 17 13:08:48.999 INFO [stderr]    |                           |
Nov 17 13:08:48.999 INFO [stderr]    |                           help: remove this `mut`
Nov 17 13:08:48.999 INFO [stderr] 
Nov 17 13:08:48.999 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.999 INFO [stderr]   --> src/main.rs:82:9
Nov 17 13:08:48.999 INFO [stderr]    |
Nov 17 13:08:48.999 INFO [stderr] 82 |     let mut workers = ThreadPool::new_with_name("worker".into(), num_cpu);
Nov 17 13:08:48.999 INFO [stderr]    |         ----^^^^^^^
Nov 17 13:08:48.999 INFO [stderr]    |         |
Nov 17 13:08:48.999 INFO [stderr]    |         help: remove this `mut`
Nov 17 13:08:48.999 INFO [stderr] 
Nov 17 13:08:48.999 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.999 INFO [stderr]   --> src/main.rs:91:9
Nov 17 13:08:48.999 INFO [stderr]    |
Nov 17 13:08:48.999 INFO [stderr] 91 |     let mut t: u64 = tu_tuple.0;
Nov 17 13:08:48.999 INFO [stderr]    |         ----^
Nov 17 13:08:48.999 INFO [stderr]    |         |
Nov 17 13:08:48.999 INFO [stderr]    |         help: remove this `mut`
Nov 17 13:08:48.999 INFO [stderr] 
Nov 17 13:08:48.999 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.999 INFO [stderr]   --> src/main.rs:92:9
Nov 17 13:08:48.999 INFO [stderr]    |
Nov 17 13:08:48.999 INFO [stderr] 92 |     let mut u: u64 = tu_tuple.1;
Nov 17 13:08:48.999 INFO [stderr]    |         ----^
Nov 17 13:08:48.999 INFO [stderr]    |         |
Nov 17 13:08:48.999 INFO [stderr]    |         help: remove this `mut`
Nov 17 13:08:48.999 INFO [stderr] 
Nov 17 13:08:48.999 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.999 INFO [stderr]    --> src/main.rs:112:28
Nov 17 13:08:48.999 INFO [stderr]     |
Nov 17 13:08:48.999 INFO [stderr] 112 | fn is_prime_mr_single_core(mut n: u64, mut tests_per_core: u64) -> bool {
Nov 17 13:08:48.999 INFO [stderr]     |                            ----^
Nov 17 13:08:48.999 INFO [stderr]     |                            |
Nov 17 13:08:48.999 INFO [stderr]     |                            help: remove this `mut`
Nov 17 13:08:48.999 INFO [stderr] 
Nov 17 13:08:48.999 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.999 INFO [stderr]    --> src/main.rs:122:9
Nov 17 13:08:48.999 INFO [stderr]     |
Nov 17 13:08:48.999 INFO [stderr] 122 |     let mut t: u64 = tu_tuple.0;
Nov 17 13:08:48.999 INFO [stderr]     |         ----^
Nov 17 13:08:48.999 INFO [stderr]     |         |
Nov 17 13:08:48.999 INFO [stderr]     |         help: remove this `mut`
Nov 17 13:08:48.999 INFO [stderr] 
Nov 17 13:08:48.999 INFO [stderr] warning: variable does not need to be mutable
Nov 17 13:08:48.999 INFO [stderr]    --> src/main.rs:123:9
Nov 17 13:08:48.999 INFO [stderr]     |
Nov 17 13:08:48.999 INFO [stderr] 123 |     let mut u: u64 = tu_tuple.1;
Nov 17 13:08:48.999 INFO [stderr]     |         ----^
Nov 17 13:08:48.999 INFO [stderr]     |         |
Nov 17 13:08:48.999 INFO [stderr]     |         help: remove this `mut`
Nov 17 13:08:48.999 INFO [stderr] 
Nov 17 13:08:49.007 INFO [stderr] warning: function is never used: `is_prime_naive`
Nov 17 13:08:49.007 INFO [stderr]   --> src/main.rs:17:1
Nov 17 13:08:49.007 INFO [stderr]    |
Nov 17 13:08:49.007 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool {
Nov 17 13:08:49.007 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 13:08:49.007 INFO [stderr]    |
Nov 17 13:08:49.007 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 13:08:49.007 INFO [stderr] 
Nov 17 13:08:49.443 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Nov 17 13:08:49.445 INFO [stderr] su: No module specific data is present
Nov 17 13:08:50.518 INFO running `"docker" "inspect" "68ae913c9819b7f199fcd3bc815419e39d58139ebd17e684fb6eaf01d15d4c8c"`
Nov 17 13:08:50.809 INFO running `"docker" "rm" "-f" "68ae913c9819b7f199fcd3bc815419e39d58139ebd17e684fb6eaf01d15d4c8c"`
Nov 17 13:08:51.043 INFO [stdout] 68ae913c9819b7f199fcd3bc815419e39d58139ebd17e684fb6eaf01d15d4c8c
Nov 17 13:08:51.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --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"`
Nov 17 13:08:51.467 INFO [stdout] 8e2629789e4783f274a1b6553e25e2724aa023b949a17d28013b6f78b9276d1e
Nov 17 13:08:51.475 INFO running `"docker" "start" "-a" "8e2629789e4783f274a1b6553e25e2724aa023b949a17d28013b6f78b9276d1e"`
Nov 17 13:08:52.367 INFO [stderr] usermod: no changes
Nov 17 13:08:52.406 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 13:08:52.407 INFO [stderr]      Running /target/debug/deps/lab_8-cf63c611c806f173
Nov 17 13:08:52.408 INFO [stdout] 
Nov 17 13:08:52.408 INFO [stdout] running 0 tests
Nov 17 13:08:52.408 INFO [stdout] 
Nov 17 13:08:52.408 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 13:08:52.408 INFO [stdout] 
Nov 17 13:08:52.410 INFO [stderr] su: No module specific data is present
Nov 17 13:08:52.788 INFO running `"docker" "inspect" "8e2629789e4783f274a1b6553e25e2724aa023b949a17d28013b6f78b9276d1e"`
Nov 17 13:08:52.937 INFO running `"docker" "rm" "-f" "8e2629789e4783f274a1b6553e25e2724aa023b949a17d28013b6f78b9276d1e"`
Nov 17 13:08:53.080 INFO [stdout] 8e2629789e4783f274a1b6553e25e2724aa023b949a17d28013b6f78b9276d1e