Dec 06 11:20:10.627 INFO testing NewlineCoding/lab_8 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 06 11:20:10.627 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 11:20:10.814 INFO [stdout] f92ff1459fc26393f58b3bdc2233f8261abf94c29b9fc64f982f17bbf1fc824b Dec 06 11:20:10.816 INFO running `"docker" "start" "-a" "f92ff1459fc26393f58b3bdc2233f8261abf94c29b9fc64f982f17bbf1fc824b"` Dec 06 11:20:11.237 INFO [stderr] usermod: no changes Dec 06 11:20:11.269 INFO [stderr] Compiling mersenne_twister v1.1.0 Dec 06 11:20:11.864 INFO [stderr] Compiling lab_8 v0.1.0 (/source) Dec 06 11:20:12.214 INFO [stderr] warning: unused imports: `IndependentSample`, `Range` Dec 06 11:20:12.215 INFO [stderr] --> src/main.rs:6:27 Dec 06 11:20:12.215 INFO [stderr] | Dec 06 11:20:12.215 INFO [stderr] 6 | use rand::distributions::{IndependentSample, Range}; Dec 06 11:20:12.215 INFO [stderr] | ^^^^^^^^^^^^^^^^^ ^^^^^ Dec 06 11:20:12.215 INFO [stderr] | Dec 06 11:20:12.215 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 11:20:12.215 INFO [stderr] Dec 06 11:20:12.215 INFO [stderr] warning: unused import: `std::collections::HashSet` Dec 06 11:20:12.215 INFO [stderr] --> src/main.rs:7:5 Dec 06 11:20:12.215 INFO [stderr] | Dec 06 11:20:12.215 INFO [stderr] 7 | use std::collections::HashSet; Dec 06 11:20:12.215 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 11:20:12.215 INFO [stderr] Dec 06 11:20:12.215 INFO [stderr] warning: unused import: `mersenne_twister::MersenneTwister` Dec 06 11:20:12.215 INFO [stderr] --> src/main.rs:9:5 Dec 06 11:20:12.215 INFO [stderr] | Dec 06 11:20:12.215 INFO [stderr] 9 | use mersenne_twister::MersenneTwister; Dec 06 11:20:12.215 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 11:20:12.215 INFO [stderr] Dec 06 11:20:12.215 INFO [stderr] warning: unused imports: `Rng`, `SeedableRng` Dec 06 11:20:12.215 INFO [stderr] --> src/main.rs:10:12 Dec 06 11:20:12.215 INFO [stderr] | Dec 06 11:20:12.215 INFO [stderr] 10 | use rand::{Rng, SeedableRng}; Dec 06 11:20:12.215 INFO [stderr] | ^^^ ^^^^^^^^^^^ Dec 06 11:20:12.215 INFO [stderr] Dec 06 11:20:12.215 INFO [stderr] warning: unused import: `Duration` Dec 06 11:20:12.215 INFO [stderr] --> src/main.rs:12:17 Dec 06 11:20:12.215 INFO [stderr] | Dec 06 11:20:12.215 INFO [stderr] 12 | use std::time::{Duration, Instant}; Dec 06 11:20:12.215 INFO [stderr] | ^^^^^^^^ Dec 06 11:20:12.215 INFO [stderr] Dec 06 11:20:12.270 INFO [stderr] warning: value assigned to `tests_per_core` is never read Dec 06 11:20:12.270 INFO [stderr] --> src/main.rs:85:9 Dec 06 11:20:12.270 INFO [stderr] | Dec 06 11:20:12.270 INFO [stderr] 85 | tests_per_core = n - 2 Dec 06 11:20:12.270 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 06 11:20:12.270 INFO [stderr] | Dec 06 11:20:12.270 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 06 11:20:12.270 INFO [stderr] Dec 06 11:20:12.270 INFO [stderr] warning: unused variable: `num_cpu` Dec 06 11:20:12.270 INFO [stderr] --> src/main.rs:113:9 Dec 06 11:20:12.270 INFO [stderr] | Dec 06 11:20:12.270 INFO [stderr] 113 | let num_cpu = num_cpus::get(); Dec 06 11:20:12.270 INFO [stderr] | ^^^^^^^ help: consider using `_num_cpu` instead Dec 06 11:20:12.270 INFO [stderr] | Dec 06 11:20:12.270 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 11:20:12.270 INFO [stderr] Dec 06 11:20:12.270 INFO [stderr] warning: value assigned to `tests_per_core` is never read Dec 06 11:20:12.270 INFO [stderr] --> src/main.rs:116:9 Dec 06 11:20:12.270 INFO [stderr] | Dec 06 11:20:12.270 INFO [stderr] 116 | tests_per_core = n - 2 Dec 06 11:20:12.270 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 06 11:20:12.270 INFO [stderr] Dec 06 11:20:12.275 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.276 INFO [stderr] --> src/main.rs:17:19 Dec 06 11:20:12.276 INFO [stderr] | Dec 06 11:20:12.276 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool { Dec 06 11:20:12.276 INFO [stderr] | ----^ Dec 06 11:20:12.276 INFO [stderr] | | Dec 06 11:20:12.276 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.276 INFO [stderr] | Dec 06 11:20:12.276 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 06 11:20:12.276 INFO [stderr] Dec 06 11:20:12.276 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.276 INFO [stderr] --> src/main.rs:31:28 Dec 06 11:20:12.276 INFO [stderr] | Dec 06 11:20:12.276 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 { Dec 06 11:20:12.276 INFO [stderr] | ----^ Dec 06 11:20:12.276 INFO [stderr] | | Dec 06 11:20:12.276 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.276 INFO [stderr] Dec 06 11:20:12.276 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.276 INFO [stderr] --> src/main.rs:31:40 Dec 06 11:20:12.276 INFO [stderr] | Dec 06 11:20:12.276 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 { Dec 06 11:20:12.276 INFO [stderr] | ----^ Dec 06 11:20:12.276 INFO [stderr] | | Dec 06 11:20:12.277 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.277 INFO [stderr] Dec 06 11:20:12.277 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.277 INFO [stderr] --> src/main.rs:52:14 Dec 06 11:20:12.277 INFO [stderr] | Dec 06 11:20:12.277 INFO [stderr] 52 | fn tu_finder(mut n: u64) -> (u64, u64) { Dec 06 11:20:12.277 INFO [stderr] | ----^ Dec 06 11:20:12.277 INFO [stderr] | | Dec 06 11:20:12.277 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.277 INFO [stderr] Dec 06 11:20:12.288 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.288 INFO [stderr] --> src/main.rs:79:27 Dec 06 11:20:12.288 INFO [stderr] | Dec 06 11:20:12.288 INFO [stderr] 79 | fn is_prime_mr_multi_core(mut n: u64, mut tests_per_core: u64) -> bool { Dec 06 11:20:12.288 INFO [stderr] | ----^ Dec 06 11:20:12.288 INFO [stderr] | | Dec 06 11:20:12.288 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.288 INFO [stderr] Dec 06 11:20:12.288 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.288 INFO [stderr] --> src/main.rs:82:9 Dec 06 11:20:12.288 INFO [stderr] | Dec 06 11:20:12.288 INFO [stderr] 82 | let mut workers = ThreadPool::new_with_name("worker".into(), num_cpu); Dec 06 11:20:12.288 INFO [stderr] | ----^^^^^^^ Dec 06 11:20:12.289 INFO [stderr] | | Dec 06 11:20:12.289 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.289 INFO [stderr] Dec 06 11:20:12.289 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.289 INFO [stderr] --> src/main.rs:91:9 Dec 06 11:20:12.289 INFO [stderr] | Dec 06 11:20:12.289 INFO [stderr] 91 | let mut t: u64 = tu_tuple.0; Dec 06 11:20:12.289 INFO [stderr] | ----^ Dec 06 11:20:12.289 INFO [stderr] | | Dec 06 11:20:12.289 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.289 INFO [stderr] Dec 06 11:20:12.289 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.289 INFO [stderr] --> src/main.rs:92:9 Dec 06 11:20:12.289 INFO [stderr] | Dec 06 11:20:12.289 INFO [stderr] 92 | let mut u: u64 = tu_tuple.1; Dec 06 11:20:12.289 INFO [stderr] | ----^ Dec 06 11:20:12.289 INFO [stderr] | | Dec 06 11:20:12.289 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.289 INFO [stderr] Dec 06 11:20:12.289 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.289 INFO [stderr] --> src/main.rs:112:28 Dec 06 11:20:12.289 INFO [stderr] | Dec 06 11:20:12.289 INFO [stderr] 112 | fn is_prime_mr_single_core(mut n: u64, mut tests_per_core: u64) -> bool { Dec 06 11:20:12.289 INFO [stderr] | ----^ Dec 06 11:20:12.289 INFO [stderr] | | Dec 06 11:20:12.289 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.289 INFO [stderr] Dec 06 11:20:12.289 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.289 INFO [stderr] --> src/main.rs:122:9 Dec 06 11:20:12.289 INFO [stderr] | Dec 06 11:20:12.289 INFO [stderr] 122 | let mut t: u64 = tu_tuple.0; Dec 06 11:20:12.289 INFO [stderr] | ----^ Dec 06 11:20:12.289 INFO [stderr] | | Dec 06 11:20:12.289 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.289 INFO [stderr] Dec 06 11:20:12.289 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:12.289 INFO [stderr] --> src/main.rs:123:9 Dec 06 11:20:12.289 INFO [stderr] | Dec 06 11:20:12.289 INFO [stderr] 123 | let mut u: u64 = tu_tuple.1; Dec 06 11:20:12.289 INFO [stderr] | ----^ Dec 06 11:20:12.289 INFO [stderr] | | Dec 06 11:20:12.289 INFO [stderr] | help: remove this `mut` Dec 06 11:20:12.289 INFO [stderr] Dec 06 11:20:12.289 INFO [stderr] warning: function is never used: `is_prime_naive` Dec 06 11:20:12.289 INFO [stderr] --> src/main.rs:17:1 Dec 06 11:20:12.289 INFO [stderr] | Dec 06 11:20:12.289 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool { Dec 06 11:20:12.289 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 11:20:12.289 INFO [stderr] | Dec 06 11:20:12.289 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 06 11:20:12.289 INFO [stderr] Dec 06 11:20:12.906 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.65s Dec 06 11:20:12.909 INFO [stderr] su: No module specific data is present Dec 06 11:20:13.158 INFO running `"docker" "inspect" "f92ff1459fc26393f58b3bdc2233f8261abf94c29b9fc64f982f17bbf1fc824b"` Dec 06 11:20:13.368 INFO running `"docker" "rm" "-f" "f92ff1459fc26393f58b3bdc2233f8261abf94c29b9fc64f982f17bbf1fc824b"` Dec 06 11:20:13.578 INFO [stdout] f92ff1459fc26393f58b3bdc2233f8261abf94c29b9fc64f982f17bbf1fc824b Dec 06 11:20:13.600 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 11:20:13.925 INFO [stdout] c50596bd0c9583b40c7a1e96a9b60ee5d6f61f115be7e6cb836ff11b9bebfb27 Dec 06 11:20:13.930 INFO running `"docker" "start" "-a" "c50596bd0c9583b40c7a1e96a9b60ee5d6f61f115be7e6cb836ff11b9bebfb27"` Dec 06 11:20:14.880 INFO [stderr] usermod: no changes Dec 06 11:20:14.956 INFO [stderr] Compiling lab_8 v0.1.0 (/source) Dec 06 11:20:15.432 INFO [stderr] warning: unused imports: `IndependentSample`, `Range` Dec 06 11:20:15.432 INFO [stderr] --> src/main.rs:6:27 Dec 06 11:20:15.432 INFO [stderr] | Dec 06 11:20:15.432 INFO [stderr] 6 | use rand::distributions::{IndependentSample, Range}; Dec 06 11:20:15.432 INFO [stderr] | ^^^^^^^^^^^^^^^^^ ^^^^^ Dec 06 11:20:15.432 INFO [stderr] | Dec 06 11:20:15.432 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 11:20:15.432 INFO [stderr] Dec 06 11:20:15.432 INFO [stderr] warning: unused import: `std::collections::HashSet` Dec 06 11:20:15.432 INFO [stderr] --> src/main.rs:7:5 Dec 06 11:20:15.432 INFO [stderr] | Dec 06 11:20:15.432 INFO [stderr] 7 | use std::collections::HashSet; Dec 06 11:20:15.432 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 11:20:15.432 INFO [stderr] Dec 06 11:20:15.432 INFO [stderr] warning: unused import: `mersenne_twister::MersenneTwister` Dec 06 11:20:15.432 INFO [stderr] --> src/main.rs:9:5 Dec 06 11:20:15.432 INFO [stderr] | Dec 06 11:20:15.432 INFO [stderr] 9 | use mersenne_twister::MersenneTwister; Dec 06 11:20:15.432 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 11:20:15.432 INFO [stderr] Dec 06 11:20:15.432 INFO [stderr] warning: unused imports: `Rng`, `SeedableRng` Dec 06 11:20:15.432 INFO [stderr] --> src/main.rs:10:12 Dec 06 11:20:15.433 INFO [stderr] | Dec 06 11:20:15.433 INFO [stderr] 10 | use rand::{Rng, SeedableRng}; Dec 06 11:20:15.433 INFO [stderr] | ^^^ ^^^^^^^^^^^ Dec 06 11:20:15.433 INFO [stderr] Dec 06 11:20:15.433 INFO [stderr] warning: unused import: `Duration` Dec 06 11:20:15.433 INFO [stderr] --> src/main.rs:12:17 Dec 06 11:20:15.433 INFO [stderr] | Dec 06 11:20:15.433 INFO [stderr] 12 | use std::time::{Duration, Instant}; Dec 06 11:20:15.433 INFO [stderr] | ^^^^^^^^ Dec 06 11:20:15.433 INFO [stderr] Dec 06 11:20:15.500 INFO [stderr] warning: value assigned to `tests_per_core` is never read Dec 06 11:20:15.500 INFO [stderr] --> src/main.rs:85:9 Dec 06 11:20:15.500 INFO [stderr] | Dec 06 11:20:15.500 INFO [stderr] 85 | tests_per_core = n - 2 Dec 06 11:20:15.500 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 06 11:20:15.500 INFO [stderr] | Dec 06 11:20:15.500 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 06 11:20:15.500 INFO [stderr] Dec 06 11:20:15.500 INFO [stderr] warning: unused variable: `num_cpu` Dec 06 11:20:15.500 INFO [stderr] --> src/main.rs:113:9 Dec 06 11:20:15.500 INFO [stderr] | Dec 06 11:20:15.500 INFO [stderr] 113 | let num_cpu = num_cpus::get(); Dec 06 11:20:15.500 INFO [stderr] | ^^^^^^^ help: consider using `_num_cpu` instead Dec 06 11:20:15.500 INFO [stderr] | Dec 06 11:20:15.500 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 11:20:15.500 INFO [stderr] Dec 06 11:20:15.501 INFO [stderr] warning: value assigned to `tests_per_core` is never read Dec 06 11:20:15.501 INFO [stderr] --> src/main.rs:116:9 Dec 06 11:20:15.501 INFO [stderr] | Dec 06 11:20:15.501 INFO [stderr] 116 | tests_per_core = n - 2 Dec 06 11:20:15.501 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 06 11:20:15.501 INFO [stderr] Dec 06 11:20:15.512 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.512 INFO [stderr] --> src/main.rs:17:19 Dec 06 11:20:15.512 INFO [stderr] | Dec 06 11:20:15.512 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool { Dec 06 11:20:15.512 INFO [stderr] | ----^ Dec 06 11:20:15.512 INFO [stderr] | | Dec 06 11:20:15.512 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.512 INFO [stderr] | Dec 06 11:20:15.512 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 06 11:20:15.512 INFO [stderr] Dec 06 11:20:15.512 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.512 INFO [stderr] --> src/main.rs:31:28 Dec 06 11:20:15.512 INFO [stderr] | Dec 06 11:20:15.512 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 { Dec 06 11:20:15.512 INFO [stderr] | ----^ Dec 06 11:20:15.512 INFO [stderr] | | Dec 06 11:20:15.512 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.512 INFO [stderr] Dec 06 11:20:15.512 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.512 INFO [stderr] --> src/main.rs:31:40 Dec 06 11:20:15.512 INFO [stderr] | Dec 06 11:20:15.512 INFO [stderr] 31 | fn modular_exp(mut a: u64, mut b: u64, mut c: u64) -> u64 { Dec 06 11:20:15.512 INFO [stderr] | ----^ Dec 06 11:20:15.512 INFO [stderr] | | Dec 06 11:20:15.512 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.512 INFO [stderr] Dec 06 11:20:15.513 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.513 INFO [stderr] --> src/main.rs:52:14 Dec 06 11:20:15.513 INFO [stderr] | Dec 06 11:20:15.513 INFO [stderr] 52 | fn tu_finder(mut n: u64) -> (u64, u64) { Dec 06 11:20:15.513 INFO [stderr] | ----^ Dec 06 11:20:15.513 INFO [stderr] | | Dec 06 11:20:15.513 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.513 INFO [stderr] Dec 06 11:20:15.514 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.515 INFO [stderr] --> src/main.rs:79:27 Dec 06 11:20:15.515 INFO [stderr] | Dec 06 11:20:15.515 INFO [stderr] 79 | fn is_prime_mr_multi_core(mut n: u64, mut tests_per_core: u64) -> bool { Dec 06 11:20:15.515 INFO [stderr] | ----^ Dec 06 11:20:15.515 INFO [stderr] | | Dec 06 11:20:15.515 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.515 INFO [stderr] Dec 06 11:20:15.515 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.515 INFO [stderr] --> src/main.rs:82:9 Dec 06 11:20:15.515 INFO [stderr] | Dec 06 11:20:15.515 INFO [stderr] 82 | let mut workers = ThreadPool::new_with_name("worker".into(), num_cpu); Dec 06 11:20:15.515 INFO [stderr] | ----^^^^^^^ Dec 06 11:20:15.515 INFO [stderr] | | Dec 06 11:20:15.515 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.515 INFO [stderr] Dec 06 11:20:15.515 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.515 INFO [stderr] --> src/main.rs:91:9 Dec 06 11:20:15.515 INFO [stderr] | Dec 06 11:20:15.515 INFO [stderr] 91 | let mut t: u64 = tu_tuple.0; Dec 06 11:20:15.515 INFO [stderr] | ----^ Dec 06 11:20:15.515 INFO [stderr] | | Dec 06 11:20:15.515 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.515 INFO [stderr] Dec 06 11:20:15.515 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.515 INFO [stderr] --> src/main.rs:92:9 Dec 06 11:20:15.515 INFO [stderr] | Dec 06 11:20:15.515 INFO [stderr] 92 | let mut u: u64 = tu_tuple.1; Dec 06 11:20:15.515 INFO [stderr] | ----^ Dec 06 11:20:15.515 INFO [stderr] | | Dec 06 11:20:15.515 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.515 INFO [stderr] Dec 06 11:20:15.520 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.520 INFO [stderr] --> src/main.rs:112:28 Dec 06 11:20:15.520 INFO [stderr] | Dec 06 11:20:15.520 INFO [stderr] 112 | fn is_prime_mr_single_core(mut n: u64, mut tests_per_core: u64) -> bool { Dec 06 11:20:15.520 INFO [stderr] | ----^ Dec 06 11:20:15.520 INFO [stderr] | | Dec 06 11:20:15.520 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.520 INFO [stderr] Dec 06 11:20:15.520 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.520 INFO [stderr] --> src/main.rs:122:9 Dec 06 11:20:15.520 INFO [stderr] | Dec 06 11:20:15.520 INFO [stderr] 122 | let mut t: u64 = tu_tuple.0; Dec 06 11:20:15.520 INFO [stderr] | ----^ Dec 06 11:20:15.520 INFO [stderr] | | Dec 06 11:20:15.520 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.520 INFO [stderr] Dec 06 11:20:15.520 INFO [stderr] warning: variable does not need to be mutable Dec 06 11:20:15.520 INFO [stderr] --> src/main.rs:123:9 Dec 06 11:20:15.520 INFO [stderr] | Dec 06 11:20:15.520 INFO [stderr] 123 | let mut u: u64 = tu_tuple.1; Dec 06 11:20:15.520 INFO [stderr] | ----^ Dec 06 11:20:15.520 INFO [stderr] | | Dec 06 11:20:15.520 INFO [stderr] | help: remove this `mut` Dec 06 11:20:15.520 INFO [stderr] Dec 06 11:20:15.520 INFO [stderr] warning: function is never used: `is_prime_naive` Dec 06 11:20:15.520 INFO [stderr] --> src/main.rs:17:1 Dec 06 11:20:15.520 INFO [stderr] | Dec 06 11:20:15.521 INFO [stderr] 17 | fn is_prime_naive(mut n: u64) -> bool { Dec 06 11:20:15.521 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 06 11:20:15.521 INFO [stderr] | Dec 06 11:20:15.521 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 06 11:20:15.521 INFO [stderr] Dec 06 11:20:15.920 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s Dec 06 11:20:15.920 INFO [stderr] su: No module specific data is present Dec 06 11:20:16.642 INFO running `"docker" "inspect" "c50596bd0c9583b40c7a1e96a9b60ee5d6f61f115be7e6cb836ff11b9bebfb27"` Dec 06 11:20:16.940 INFO running `"docker" "rm" "-f" "c50596bd0c9583b40c7a1e96a9b60ee5d6f61f115be7e6cb836ff11b9bebfb27"` Dec 06 11:20:17.288 INFO [stdout] c50596bd0c9583b40c7a1e96a9b60ee5d6f61f115be7e6cb836ff11b9bebfb27 Dec 06 11:20:17.290 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"` Dec 06 11:20:17.803 INFO [stdout] c84321abe07491b6b8bdd9aa03ee9f549a69977b93e6a8dda909a6c040710f93 Dec 06 11:20:17.810 INFO running `"docker" "start" "-a" "c84321abe07491b6b8bdd9aa03ee9f549a69977b93e6a8dda909a6c040710f93"` Dec 06 11:20:18.967 INFO [stderr] usermod: no changes Dec 06 11:20:19.016 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s Dec 06 11:20:19.017 INFO [stderr] Running /target/debug/deps/lab_8-aac19fc943938337 Dec 06 11:20:19.024 INFO [stderr] su: No module specific data is present Dec 06 11:20:19.024 INFO [stdout] Dec 06 11:20:19.024 INFO [stdout] running 0 tests Dec 06 11:20:19.024 INFO [stdout] Dec 06 11:20:19.024 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 11:20:19.024 INFO [stdout] Dec 06 11:20:19.742 INFO running `"docker" "inspect" "c84321abe07491b6b8bdd9aa03ee9f549a69977b93e6a8dda909a6c040710f93"` Dec 06 11:20:20.094 INFO running `"docker" "rm" "-f" "c84321abe07491b6b8bdd9aa03ee9f549a69977b93e6a8dda909a6c040710f93"` Dec 06 11:20:20.618 INFO [stdout] c84321abe07491b6b8bdd9aa03ee9f549a69977b93e6a8dda909a6c040710f93