Oct 13 16:49:40.101 INFO checking classif-0.0.2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 16:49:40.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 16:49:40.292 INFO blam! 77e0b66cd5fdf3afc33cfdd4fe8465b6d18dd6ccebc54efe3129831ee2349732
Oct 13 16:49:40.294 INFO running `"docker" "start" "-a" "77e0b66cd5fdf3afc33cfdd4fe8465b6d18dd6ccebc54efe3129831ee2349732"`
Oct 13 16:49:40.671 INFO kablam! usermod: no changes
Oct 13 16:49:40.701 INFO kablam!     Checking classif v0.0.2 (/source)
Oct 13 16:49:41.740 INFO kablam! warning: variable does not need to be mutable
Oct 13 16:49:41.740 INFO kablam!   --> src/jenks.rs:25:13
Oct 13 16:49:41.740 INFO kablam!    |
Oct 13 16:49:41.740 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Oct 13 16:49:41.740 INFO kablam!    |             ----^
Oct 13 16:49:41.740 INFO kablam!    |             |
Oct 13 16:49:41.740 INFO kablam!    |             help: remove this `mut`
Oct 13 16:49:41.740 INFO kablam!    |
Oct 13 16:49:41.740 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 16:49:41.740 INFO kablam! 
Oct 13 16:49:41.769 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 16:49:41.769 INFO kablam!  --> src/stats.rs:8:5
Oct 13 16:49:41.769 INFO kablam!   |
Oct 13 16:49:41.769 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Oct 13 16:49:41.769 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:49:41.769 INFO kablam!   |
Oct 13 16:49:41.769 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Oct 13 16:49:41.769 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 16:49:41.769 INFO kablam! 
Oct 13 16:49:42.164 INFO kablam! warning: variable does not need to be mutable
Oct 13 16:49:42.165 INFO kablam!   --> src/jenks.rs:25:13
Oct 13 16:49:42.166 INFO kablam!    |
Oct 13 16:49:42.166 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Oct 13 16:49:42.166 INFO kablam!    |             ----^
Oct 13 16:49:42.166 INFO kablam!    |             |
Oct 13 16:49:42.166 INFO kablam!    |             help: remove this `mut`
Oct 13 16:49:42.172 INFO kablam!    |
Oct 13 16:49:42.172 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 16:49:42.172 INFO kablam! 
Oct 13 16:49:42.189 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 16:49:42.190 INFO kablam!  --> src/stats.rs:8:5
Oct 13 16:49:42.190 INFO kablam!   |
Oct 13 16:49:42.190 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Oct 13 16:49:42.190 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:49:42.190 INFO kablam!   |
Oct 13 16:49:42.196 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Oct 13 16:49:42.196 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 16:49:42.196 INFO kablam! 
Oct 13 16:49:43.083 INFO kablam! warning: unused variable: `mean`
Oct 13 16:49:43.083 INFO kablam!   --> benches/benchmark.rs:13:25
Oct 13 16:49:43.083 INFO kablam!    |
Oct 13 16:49:43.083 INFO kablam! 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Oct 13 16:49:43.083 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Oct 13 16:49:43.083 INFO kablam!    |
Oct 13 16:49:43.083 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 16:49:43.083 INFO kablam! 
Oct 13 16:49:43.085 INFO kablam! warning: unused variable: `mean`
Oct 13 16:49:43.085 INFO kablam!   --> benches/benchmark.rs:20:25
Oct 13 16:49:43.085 INFO kablam!    |
Oct 13 16:49:43.085 INFO kablam! 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Oct 13 16:49:43.085 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Oct 13 16:49:43.085 INFO kablam! 
Oct 13 16:49:43.085 INFO kablam! warning: unused variable: `mean`
Oct 13 16:49:43.085 INFO kablam!   --> benches/benchmark.rs:27:25
Oct 13 16:49:43.085 INFO kablam!    |
Oct 13 16:49:43.085 INFO kablam! 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Oct 13 16:49:43.085 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Oct 13 16:49:43.085 INFO kablam! 
Oct 13 16:49:43.085 INFO kablam! warning: unused variable: `b`
Oct 13 16:49:43.085 INFO kablam!   --> benches/benchmark.rs:36:24
Oct 13 16:49:43.085 INFO kablam!    |
Oct 13 16:49:43.085 INFO kablam! 36 |                    let b = get_head_tail_breaks(&a);
Oct 13 16:49:43.085 INFO kablam!    |                        ^ help: consider using `_b` instead
Oct 13 16:49:43.085 INFO kablam! 
Oct 13 16:49:43.085 INFO kablam! warning: unused variable: `b`
Oct 13 16:49:43.085 INFO kablam!   --> benches/benchmark.rs:44:25
Oct 13 16:49:43.085 INFO kablam!    |
Oct 13 16:49:43.085 INFO kablam! 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Oct 13 16:49:43.085 INFO kablam!    |                         ^ help: consider using `_b` instead
Oct 13 16:49:43.085 INFO kablam! 
Oct 13 16:49:43.085 INFO kablam! warning: unused variable: `b`
Oct 13 16:49:43.085 INFO kablam!   --> benches/benchmark.rs:52:25
Oct 13 16:49:43.085 INFO kablam!    |
Oct 13 16:49:43.085 INFO kablam! 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Oct 13 16:49:43.085 INFO kablam!    |                         ^ help: consider using `_b` instead
Oct 13 16:49:43.085 INFO kablam! 
Oct 13 16:49:43.085 INFO kablam! warning: unused variable: `b`
Oct 13 16:49:43.085 INFO kablam!   --> benches/benchmark.rs:61:24
Oct 13 16:49:43.085 INFO kablam!    |
Oct 13 16:49:43.085 INFO kablam! 61 |                    let b = get_jenks_breaks(&a, 5);
Oct 13 16:49:43.085 INFO kablam!    |                        ^ help: consider using `_b` instead
Oct 13 16:49:43.085 INFO kablam! 
Oct 13 16:49:43.085 INFO kablam! warning: unused variable: `b`
Oct 13 16:49:43.085 INFO kablam!   --> benches/benchmark.rs:69:25
Oct 13 16:49:43.085 INFO kablam!    |
Oct 13 16:49:43.085 INFO kablam! 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Oct 13 16:49:43.085 INFO kablam!    |                         ^ help: consider using `_b` instead
Oct 13 16:49:43.085 INFO kablam! 
Oct 13 16:49:43.128 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
Oct 13 16:49:43.131 INFO kablam! su: No module specific data is present
Oct 13 16:49:44.276 INFO running `"docker" "rm" "-f" "77e0b66cd5fdf3afc33cfdd4fe8465b6d18dd6ccebc54efe3129831ee2349732"`
Oct 13 16:49:44.492 INFO blam! 77e0b66cd5fdf3afc33cfdd4fe8465b6d18dd6ccebc54efe3129831ee2349732