Dec 05 15:20:27.547 INFO checking classif-0.0.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 15:20:27.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 15:20:27.736 INFO [stdout] 964e4ec3b057fae187002d9b7bdae2c1349e199743e75dc3e94c1bb43b9238c7
Dec 05 15:20:27.736 INFO running `"docker" "start" "-a" "964e4ec3b057fae187002d9b7bdae2c1349e199743e75dc3e94c1bb43b9238c7"`
Dec 05 15:20:28.249 INFO [stderr] usermod: no changes
Dec 05 15:20:28.268 INFO [stderr]     Checking classif v0.0.2 (/source)
Dec 05 15:20:28.997 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:20:28.997 INFO [stderr]   --> src/jenks.rs:25:13
Dec 05 15:20:28.997 INFO [stderr]    |
Dec 05 15:20:28.997 INFO [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Dec 05 15:20:28.997 INFO [stderr]    |             ----^
Dec 05 15:20:28.998 INFO [stderr]    |             |
Dec 05 15:20:28.998 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:20:28.998 INFO [stderr]    |
Dec 05 15:20:28.998 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:20:28.998 INFO [stderr] 
Dec 05 15:20:29.019 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 05 15:20:29.019 INFO [stderr]  --> src/stats.rs:8:5
Dec 05 15:20:29.019 INFO [stderr]   |
Dec 05 15:20:29.019 INFO [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Dec 05 15:20:29.019 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:20:29.019 INFO [stderr]   |
Dec 05 15:20:29.019 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 05 15:20:29.019 INFO [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 05 15:20:29.019 INFO [stderr] 
Dec 05 15:20:29.351 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:20:29.351 INFO [stderr]   --> src/jenks.rs:25:13
Dec 05 15:20:29.351 INFO [stderr]    |
Dec 05 15:20:29.351 INFO [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Dec 05 15:20:29.351 INFO [stderr]    |             ----^
Dec 05 15:20:29.351 INFO [stderr]    |             |
Dec 05 15:20:29.351 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:20:29.351 INFO [stderr]    |
Dec 05 15:20:29.351 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:20:29.351 INFO [stderr] 
Dec 05 15:20:29.395 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 05 15:20:29.395 INFO [stderr]  --> src/stats.rs:8:5
Dec 05 15:20:29.395 INFO [stderr]   |
Dec 05 15:20:29.395 INFO [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Dec 05 15:20:29.395 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:20:29.395 INFO [stderr]   |
Dec 05 15:20:29.395 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 05 15:20:29.395 INFO [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 05 15:20:29.395 INFO [stderr] 
Dec 05 15:20:29.877 INFO [stderr] warning: unused variable: `mean`
Dec 05 15:20:29.877 INFO [stderr]   --> benches/benchmark.rs:13:25
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr] 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Dec 05 15:20:29.877 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:20:29.877 INFO [stderr] 
Dec 05 15:20:29.877 INFO [stderr] warning: unused variable: `mean`
Dec 05 15:20:29.877 INFO [stderr]   --> benches/benchmark.rs:20:25
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr] 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Dec 05 15:20:29.877 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 05 15:20:29.877 INFO [stderr] 
Dec 05 15:20:29.877 INFO [stderr] warning: unused variable: `mean`
Dec 05 15:20:29.877 INFO [stderr]   --> benches/benchmark.rs:27:25
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr] 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Dec 05 15:20:29.877 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 05 15:20:29.877 INFO [stderr] 
Dec 05 15:20:29.877 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.877 INFO [stderr]   --> benches/benchmark.rs:36:24
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr] 36 |                    let b = get_head_tail_breaks(&a);
Dec 05 15:20:29.877 INFO [stderr]    |                        ^ help: consider using `_b` instead
Dec 05 15:20:29.877 INFO [stderr] 
Dec 05 15:20:29.877 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.877 INFO [stderr]   --> benches/benchmark.rs:44:25
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr] 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Dec 05 15:20:29.877 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 05 15:20:29.877 INFO [stderr] 
Dec 05 15:20:29.877 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.877 INFO [stderr]   --> benches/benchmark.rs:52:25
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr] 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Dec 05 15:20:29.877 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 05 15:20:29.877 INFO [stderr] 
Dec 05 15:20:29.877 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.877 INFO [stderr]   --> benches/benchmark.rs:61:24
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr] 61 |                    let b = get_jenks_breaks(&a, 5);
Dec 05 15:20:29.877 INFO [stderr]    |                        ^ help: consider using `_b` instead
Dec 05 15:20:29.877 INFO [stderr] 
Dec 05 15:20:29.877 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.877 INFO [stderr]   --> benches/benchmark.rs:69:25
Dec 05 15:20:29.877 INFO [stderr]    |
Dec 05 15:20:29.877 INFO [stderr] 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Dec 05 15:20:29.877 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 05 15:20:29.878 INFO [stderr] 
Dec 05 15:20:29.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 05 15:20:29.939 INFO [stderr] su: No module specific data is present
Dec 05 15:20:30.849 INFO running `"docker" "inspect" "964e4ec3b057fae187002d9b7bdae2c1349e199743e75dc3e94c1bb43b9238c7"`
Dec 05 15:20:31.164 INFO running `"docker" "rm" "-f" "964e4ec3b057fae187002d9b7bdae2c1349e199743e75dc3e94c1bb43b9238c7"`
Dec 05 15:20:31.463 INFO [stdout] 964e4ec3b057fae187002d9b7bdae2c1349e199743e75dc3e94c1bb43b9238c7