Dec 05 15:20:27.068 INFO checking classif-0.0.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 15:20:27.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 15:20:27.271 INFO [stdout] 9ac5eaa94f83bc23a3985277094b55321cc871ca26083258224b4dad3b9ccd8a
Dec 05 15:20:27.272 INFO running `"docker" "start" "-a" "9ac5eaa94f83bc23a3985277094b55321cc871ca26083258224b4dad3b9ccd8a"`
Dec 05 15:20:27.737 INFO [stderr] usermod: no changes
Dec 05 15:20:27.775 INFO [stderr]     Checking classif v0.0.2 (/source)
Dec 05 15:20:28.447 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:20:28.448 INFO [stderr]   --> src/jenks.rs:25:13
Dec 05 15:20:28.448 INFO [stderr]    |
Dec 05 15:20:28.448 INFO [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Dec 05 15:20:28.448 INFO [stderr]    |             ----^
Dec 05 15:20:28.448 INFO [stderr]    |             |
Dec 05 15:20:28.448 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:20:28.448 INFO [stderr]    |
Dec 05 15:20:28.448 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:20:28.448 INFO [stderr] 
Dec 05 15:20:28.473 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 05 15:20:28.473 INFO [stderr]  --> src/stats.rs:8:5
Dec 05 15:20:28.473 INFO [stderr]   |
Dec 05 15:20:28.473 INFO [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Dec 05 15:20:28.473 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:20:28.473 INFO [stderr]   |
Dec 05 15:20:28.473 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 05 15:20:28.473 INFO [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 05 15:20:28.473 INFO [stderr] 
Dec 05 15:20:28.668 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:20:28.668 INFO [stderr]   --> src/jenks.rs:25:13
Dec 05 15:20:28.668 INFO [stderr]    |
Dec 05 15:20:28.668 INFO [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Dec 05 15:20:28.668 INFO [stderr]    |             ----^
Dec 05 15:20:28.668 INFO [stderr]    |             |
Dec 05 15:20:28.668 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:20:28.668 INFO [stderr]    |
Dec 05 15:20:28.668 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:20:28.668 INFO [stderr] 
Dec 05 15:20:28.690 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 05 15:20:28.690 INFO [stderr]  --> src/stats.rs:8:5
Dec 05 15:20:28.690 INFO [stderr]   |
Dec 05 15:20:28.690 INFO [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Dec 05 15:20:28.690 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:20:28.691 INFO [stderr]   |
Dec 05 15:20:28.691 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 05 15:20:28.691 INFO [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 05 15:20:28.691 INFO [stderr] 
Dec 05 15:20:29.211 INFO [stderr] warning: unused variable: `mean`
Dec 05 15:20:29.211 INFO [stderr]   --> benches/benchmark.rs:13:25
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr] 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Dec 05 15:20:29.211 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:20:29.211 INFO [stderr] 
Dec 05 15:20:29.211 INFO [stderr] warning: unused variable: `mean`
Dec 05 15:20:29.211 INFO [stderr]   --> benches/benchmark.rs:20:25
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr] 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Dec 05 15:20:29.211 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 05 15:20:29.211 INFO [stderr] 
Dec 05 15:20:29.211 INFO [stderr] warning: unused variable: `mean`
Dec 05 15:20:29.211 INFO [stderr]   --> benches/benchmark.rs:27:25
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr] 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Dec 05 15:20:29.211 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 05 15:20:29.211 INFO [stderr] 
Dec 05 15:20:29.211 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.211 INFO [stderr]   --> benches/benchmark.rs:36:24
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr] 36 |                    let b = get_head_tail_breaks(&a);
Dec 05 15:20:29.211 INFO [stderr]    |                        ^ help: consider using `_b` instead
Dec 05 15:20:29.211 INFO [stderr] 
Dec 05 15:20:29.211 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.211 INFO [stderr]   --> benches/benchmark.rs:44:25
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr] 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Dec 05 15:20:29.211 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 05 15:20:29.211 INFO [stderr] 
Dec 05 15:20:29.211 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.211 INFO [stderr]   --> benches/benchmark.rs:52:25
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr] 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Dec 05 15:20:29.211 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 05 15:20:29.211 INFO [stderr] 
Dec 05 15:20:29.211 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.211 INFO [stderr]   --> benches/benchmark.rs:61:24
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr] 61 |                    let b = get_jenks_breaks(&a, 5);
Dec 05 15:20:29.211 INFO [stderr]    |                        ^ help: consider using `_b` instead
Dec 05 15:20:29.211 INFO [stderr] 
Dec 05 15:20:29.211 INFO [stderr] warning: unused variable: `b`
Dec 05 15:20:29.211 INFO [stderr]   --> benches/benchmark.rs:69:25
Dec 05 15:20:29.211 INFO [stderr]    |
Dec 05 15:20:29.211 INFO [stderr] 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Dec 05 15:20:29.211 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 05 15:20:29.211 INFO [stderr] 
Dec 05 15:20:29.232 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Dec 05 15:20:29.234 INFO [stderr] su: No module specific data is present
Dec 05 15:20:29.918 INFO running `"docker" "inspect" "9ac5eaa94f83bc23a3985277094b55321cc871ca26083258224b4dad3b9ccd8a"`
Dec 05 15:20:30.211 INFO running `"docker" "rm" "-f" "9ac5eaa94f83bc23a3985277094b55321cc871ca26083258224b4dad3b9ccd8a"`
Dec 05 15:20:30.535 INFO [stdout] 9ac5eaa94f83bc23a3985277094b55321cc871ca26083258224b4dad3b9ccd8a