Dec 01 00:36:36.899 INFO checking classif-0.0.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Dec 01 00:36:36.899 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 01 00:36:37.081 INFO [stdout] 5b140de3ed162484bfca8723d713cccc0d57213cecf981550b5f7e8b491f2692
Dec 01 00:36:37.086 INFO running `"docker" "start" "-a" "5b140de3ed162484bfca8723d713cccc0d57213cecf981550b5f7e8b491f2692"`
Dec 01 00:36:37.534 INFO [stderr] usermod: no changes
Dec 01 00:36:37.576 INFO [stderr]     Checking classif v0.0.2 (/source)
Dec 01 00:36:38.649 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:36:38.649 INFO [stderr]   --> src/jenks.rs:25:13
Dec 01 00:36:38.649 INFO [stderr]    |
Dec 01 00:36:38.649 INFO [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Dec 01 00:36:38.649 INFO [stderr]    |             ----^
Dec 01 00:36:38.649 INFO [stderr]    |             |
Dec 01 00:36:38.649 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:36:38.649 INFO [stderr]    |
Dec 01 00:36:38.649 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:36:38.649 INFO [stderr] 
Dec 01 00:36:38.649 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:36:38.649 INFO [stderr]   --> src/jenks.rs:25:13
Dec 01 00:36:38.649 INFO [stderr]    |
Dec 01 00:36:38.649 INFO [stderr] 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Dec 01 00:36:38.649 INFO [stderr]    |             ----^
Dec 01 00:36:38.649 INFO [stderr]    |             |
Dec 01 00:36:38.649 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:36:38.649 INFO [stderr]    |
Dec 01 00:36:38.649 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:36:38.649 INFO [stderr] 
Dec 01 00:36:38.671 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 01 00:36:38.671 INFO [stderr]  --> src/stats.rs:8:5
Dec 01 00:36:38.671 INFO [stderr]   |
Dec 01 00:36:38.671 INFO [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Dec 01 00:36:38.671 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:36:38.671 INFO [stderr]   |
Dec 01 00:36:38.671 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 01 00:36:38.671 INFO [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 01 00:36:38.671 INFO [stderr] 
Dec 01 00:36:38.671 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 01 00:36:38.671 INFO [stderr]  --> src/stats.rs:8:5
Dec 01 00:36:38.671 INFO [stderr]   |
Dec 01 00:36:38.671 INFO [stderr] 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Dec 01 00:36:38.671 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:36:38.671 INFO [stderr]   |
Dec 01 00:36:38.671 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 01 00:36:38.671 INFO [stderr]   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 01 00:36:38.671 INFO [stderr] 
Dec 01 00:36:39.580 INFO [stderr] warning: unused variable: `mean`
Dec 01 00:36:39.580 INFO [stderr]   --> benches/benchmark.rs:13:25
Dec 01 00:36:39.580 INFO [stderr]    |
Dec 01 00:36:39.580 INFO [stderr] 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Dec 01 00:36:39.580 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 01 00:36:39.580 INFO [stderr]    |
Dec 01 00:36:39.580 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 00:36:39.580 INFO [stderr] 
Dec 01 00:36:39.580 INFO [stderr] warning: unused variable: `mean`
Dec 01 00:36:39.580 INFO [stderr]   --> benches/benchmark.rs:20:25
Dec 01 00:36:39.581 INFO [stderr]    |
Dec 01 00:36:39.581 INFO [stderr] 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Dec 01 00:36:39.581 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 01 00:36:39.581 INFO [stderr] 
Dec 01 00:36:39.581 INFO [stderr] warning: unused variable: `mean`
Dec 01 00:36:39.581 INFO [stderr]   --> benches/benchmark.rs:27:25
Dec 01 00:36:39.581 INFO [stderr]    |
Dec 01 00:36:39.581 INFO [stderr] 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Dec 01 00:36:39.581 INFO [stderr]    |                         ^^^^ help: consider using `_mean` instead
Dec 01 00:36:39.581 INFO [stderr] 
Dec 01 00:36:39.581 INFO [stderr] warning: unused variable: `b`
Dec 01 00:36:39.581 INFO [stderr]   --> benches/benchmark.rs:36:24
Dec 01 00:36:39.581 INFO [stderr]    |
Dec 01 00:36:39.581 INFO [stderr] 36 |                    let b = get_head_tail_breaks(&a);
Dec 01 00:36:39.582 INFO [stderr]    |                        ^ help: consider using `_b` instead
Dec 01 00:36:39.582 INFO [stderr] 
Dec 01 00:36:39.582 INFO [stderr] warning: unused variable: `b`
Dec 01 00:36:39.582 INFO [stderr]   --> benches/benchmark.rs:44:25
Dec 01 00:36:39.582 INFO [stderr]    |
Dec 01 00:36:39.582 INFO [stderr] 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Dec 01 00:36:39.582 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 01 00:36:39.582 INFO [stderr] 
Dec 01 00:36:39.582 INFO [stderr] warning: unused variable: `b`
Dec 01 00:36:39.582 INFO [stderr]   --> benches/benchmark.rs:52:25
Dec 01 00:36:39.582 INFO [stderr]    |
Dec 01 00:36:39.582 INFO [stderr] 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Dec 01 00:36:39.582 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 01 00:36:39.582 INFO [stderr] 
Dec 01 00:36:39.582 INFO [stderr] warning: unused variable: `b`
Dec 01 00:36:39.582 INFO [stderr]   --> benches/benchmark.rs:61:24
Dec 01 00:36:39.582 INFO [stderr]    |
Dec 01 00:36:39.582 INFO [stderr] 61 |                    let b = get_jenks_breaks(&a, 5);
Dec 01 00:36:39.582 INFO [stderr]    |                        ^ help: consider using `_b` instead
Dec 01 00:36:39.582 INFO [stderr] 
Dec 01 00:36:39.583 INFO [stderr] warning: unused variable: `b`
Dec 01 00:36:39.583 INFO [stderr]   --> benches/benchmark.rs:69:25
Dec 01 00:36:39.583 INFO [stderr]    |
Dec 01 00:36:39.583 INFO [stderr] 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Dec 01 00:36:39.583 INFO [stderr]    |                         ^ help: consider using `_b` instead
Dec 01 00:36:39.583 INFO [stderr] 
Dec 01 00:36:39.619 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
Dec 01 00:36:39.621 INFO [stderr] su: No module specific data is present
Dec 01 00:36:40.629 INFO running `"docker" "inspect" "5b140de3ed162484bfca8723d713cccc0d57213cecf981550b5f7e8b491f2692"`
Dec 01 00:36:40.872 INFO running `"docker" "rm" "-f" "5b140de3ed162484bfca8723d713cccc0d57213cecf981550b5f7e8b491f2692"`
Dec 01 00:36:41.180 INFO [stdout] 5b140de3ed162484bfca8723d713cccc0d57213cecf981550b5f7e8b491f2692