Dec 18 17:32:16.208 INFO checking classif-0.0.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:32:16.208 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/classif/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:32:16.442 INFO [stdout] 50bf49a5c2f12c129de5d8e6ecea50b9a780e95d4349ad0d8eb280ff6c5d526d
Dec 18 17:32:16.446 INFO running `"docker" "start" "-a" "50bf49a5c2f12c129de5d8e6ecea50b9a780e95d4349ad0d8eb280ff6c5d526d"`
Dec 18 17:32:17.181 INFO [stderr]     Checking classif v0.0.2 (/opt/crater/workdir)
Dec 18 17:32:17.616 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:32:17.616 INFO [stderr]   --> src/jenks.rs:25:13
Dec 18 17:32:17.616 INFO [stderr]    |
Dec 18 17:32:17.616 INFO [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Dec 18 17:32:17.616 INFO [stderr]    |             ----^
Dec 18 17:32:17.616 INFO [stderr]    |             |
Dec 18 17:32:17.616 INFO [stderr]    |             help: remove this `mut`
Dec 18 17:32:17.616 INFO [stderr]    |
Dec 18 17:32:17.616 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 17:32:17.616 INFO [stderr] 
Dec 18 17:32:17.643 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 17:32:17.643 INFO [stderr]  --> src/stats.rs:8:5
Dec 18 17:32:17.643 INFO [stderr]   |
Dec 18 17:32:17.644 INFO [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Dec 18 17:32:17.644 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:32:17.645 INFO [stderr]   |
Dec 18 17:32:17.645 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 18 17:32:17.645 INFO [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 17:32:17.645 INFO [stderr] 
Dec 18 17:32:17.799 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:32:17.799 INFO [stderr]   --> src/jenks.rs:25:13
Dec 18 17:32:17.799 INFO [stderr]    |
Dec 18 17:32:17.799 INFO [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Dec 18 17:32:17.800 INFO [stderr]    |             ----^
Dec 18 17:32:17.800 INFO [stderr]    |             |
Dec 18 17:32:17.800 INFO [stderr]    |             help: remove this `mut`
Dec 18 17:32:17.800 INFO [stderr]    |
Dec 18 17:32:17.800 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 17:32:17.800 INFO [stderr] 
Dec 18 17:32:17.836 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 17:32:17.836 INFO [stderr]  --> src/stats.rs:8:5
Dec 18 17:32:17.836 INFO [stderr]   |
Dec 18 17:32:17.836 INFO [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Dec 18 17:32:17.836 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:32:17.836 INFO [stderr]   |
Dec 18 17:32:17.836 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 18 17:32:17.836 INFO [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 17:32:17.836 INFO [stderr] 
Dec 18 17:32:18.146 INFO [stderr] warning: unused variable: `mean`
Dec 18 17:32:18.146 INFO [stderr]   --> benches/benchmark.rs:13:25
Dec 18 17:32:18.146 INFO [stderr]    |
Dec 18 17:32:18.146 INFO [stderr] 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Dec 18 17:32:18.146 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 18 17:32:18.146 INFO [stderr]    |
Dec 18 17:32:18.146 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 17:32:18.146 INFO [stderr] 
Dec 18 17:32:18.146 INFO [stderr] warning: unused variable: `mean`
Dec 18 17:32:18.147 INFO [stderr]   --> benches/benchmark.rs:20:25
Dec 18 17:32:18.147 INFO [stderr]    |
Dec 18 17:32:18.147 INFO [stderr] 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Dec 18 17:32:18.147 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 18 17:32:18.147 INFO [stderr] 
Dec 18 17:32:18.147 INFO [stderr] warning: unused variable: `mean`
Dec 18 17:32:18.147 INFO [stderr]   --> benches/benchmark.rs:27:25
Dec 18 17:32:18.147 INFO [stderr]    |
Dec 18 17:32:18.147 INFO [stderr] 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Dec 18 17:32:18.147 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 18 17:32:18.147 INFO [stderr] 
Dec 18 17:32:18.147 INFO [stderr] warning: unused variable: `b`
Dec 18 17:32:18.147 INFO [stderr]   --> benches/benchmark.rs:36:24
Dec 18 17:32:18.147 INFO [stderr]    |
Dec 18 17:32:18.147 INFO [stderr] 36 |                    let b = get_head_tail_breaks(&a);
Dec 18 17:32:18.147 INFO [stderr]    |                        ^ help: consider using `_b` instead
Dec 18 17:32:18.147 INFO [stderr] 
Dec 18 17:32:18.147 INFO [stderr] warning: unused variable: `b`
Dec 18 17:32:18.147 INFO [stderr]   --> benches/benchmark.rs:44:25
Dec 18 17:32:18.147 INFO [stderr]    |
Dec 18 17:32:18.147 INFO [stderr] 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Dec 18 17:32:18.147 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 18 17:32:18.147 INFO [stderr] 
Dec 18 17:32:18.147 INFO [stderr] warning: unused variable: `b`
Dec 18 17:32:18.147 INFO [stderr]   --> benches/benchmark.rs:52:25
Dec 18 17:32:18.147 INFO [stderr]    |
Dec 18 17:32:18.147 INFO [stderr] 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Dec 18 17:32:18.147 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 18 17:32:18.147 INFO [stderr] 
Dec 18 17:32:18.147 INFO [stderr] warning: unused variable: `b`
Dec 18 17:32:18.147 INFO [stderr]   --> benches/benchmark.rs:61:24
Dec 18 17:32:18.147 INFO [stderr]    |
Dec 18 17:32:18.147 INFO [stderr] 61 |                    let b = get_jenks_breaks(&a, 5);
Dec 18 17:32:18.147 INFO [stderr]    |                        ^ help: consider using `_b` instead
Dec 18 17:32:18.147 INFO [stderr] 
Dec 18 17:32:18.147 INFO [stderr] warning: unused variable: `b`
Dec 18 17:32:18.147 INFO [stderr]   --> benches/benchmark.rs:69:25
Dec 18 17:32:18.147 INFO [stderr]    |
Dec 18 17:32:18.147 INFO [stderr] 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Dec 18 17:32:18.147 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 18 17:32:18.147 INFO [stderr] 
Dec 18 17:32:18.232 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 18 17:32:18.976 INFO running `"docker" "inspect" "50bf49a5c2f12c129de5d8e6ecea50b9a780e95d4349ad0d8eb280ff6c5d526d"`
Dec 18 17:32:19.188 INFO running `"docker" "rm" "-f" "50bf49a5c2f12c129de5d8e6ecea50b9a780e95d4349ad0d8eb280ff6c5d526d"`
Dec 18 17:32:19.376 INFO [stdout] 50bf49a5c2f12c129de5d8e6ecea50b9a780e95d4349ad0d8eb280ff6c5d526d