Nov 05 01:30:30.752 INFO checking classif-0.0.2 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 05 01:30:30.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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"`
Nov 05 01:30:30.939 INFO blam! 569b93243c6b87025112556f7f9d02c38ae66dca40df88b15268993a2ebc47d6
Nov 05 01:30:30.941 INFO running `"docker" "start" "-a" "569b93243c6b87025112556f7f9d02c38ae66dca40df88b15268993a2ebc47d6"`
Nov 05 01:30:31.426 INFO kablam! usermod: no changes
Nov 05 01:30:31.464 INFO kablam!     Checking classif v0.0.2 (/source)
Nov 05 01:30:32.463 INFO kablam! warning: variable does not need to be mutable
Nov 05 01:30:32.463 INFO kablam!   --> src/jenks.rs:25:13
Nov 05 01:30:32.463 INFO kablam!    |
Nov 05 01:30:32.463 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Nov 05 01:30:32.463 INFO kablam!    |             ----^
Nov 05 01:30:32.463 INFO kablam!    |             |
Nov 05 01:30:32.463 INFO kablam!    |             help: remove this `mut`
Nov 05 01:30:32.463 INFO kablam!    |
Nov 05 01:30:32.463 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 05 01:30:32.463 INFO kablam! 
Nov 05 01:30:32.490 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 05 01:30:32.490 INFO kablam!  --> src/stats.rs:8:5
Nov 05 01:30:32.490 INFO kablam!   |
Nov 05 01:30:32.490 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Nov 05 01:30:32.490 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 01:30:32.490 INFO kablam!   |
Nov 05 01:30:32.490 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Nov 05 01:30:32.490 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 05 01:30:32.490 INFO kablam! 
Nov 05 01:30:32.531 INFO kablam! warning: variable does not need to be mutable
Nov 05 01:30:32.531 INFO kablam!   --> src/jenks.rs:25:13
Nov 05 01:30:32.531 INFO kablam!    |
Nov 05 01:30:32.531 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Nov 05 01:30:32.531 INFO kablam!    |             ----^
Nov 05 01:30:32.531 INFO kablam!    |             |
Nov 05 01:30:32.531 INFO kablam!    |             help: remove this `mut`
Nov 05 01:30:32.531 INFO kablam!    |
Nov 05 01:30:32.531 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 05 01:30:32.531 INFO kablam! 
Nov 05 01:30:32.555 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 05 01:30:32.555 INFO kablam!  --> src/stats.rs:8:5
Nov 05 01:30:32.555 INFO kablam!   |
Nov 05 01:30:32.555 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Nov 05 01:30:32.555 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 01:30:32.555 INFO kablam!   |
Nov 05 01:30:32.555 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Nov 05 01:30:32.555 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 05 01:30:32.555 INFO kablam! 
Nov 05 01:30:33.271 INFO kablam! warning: unused variable: `mean`
Nov 05 01:30:33.271 INFO kablam!   --> benches/benchmark.rs:13:25
Nov 05 01:30:33.271 INFO kablam!    |
Nov 05 01:30:33.271 INFO kablam! 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Nov 05 01:30:33.271 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Nov 05 01:30:33.271 INFO kablam!    |
Nov 05 01:30:33.271 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 05 01:30:33.271 INFO kablam! 
Nov 05 01:30:33.271 INFO kablam! warning: unused variable: `mean`
Nov 05 01:30:33.271 INFO kablam!   --> benches/benchmark.rs:20:25
Nov 05 01:30:33.271 INFO kablam!    |
Nov 05 01:30:33.271 INFO kablam! 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Nov 05 01:30:33.271 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Nov 05 01:30:33.271 INFO kablam! 
Nov 05 01:30:33.271 INFO kablam! warning: unused variable: `mean`
Nov 05 01:30:33.271 INFO kablam!   --> benches/benchmark.rs:27:25
Nov 05 01:30:33.271 INFO kablam!    |
Nov 05 01:30:33.271 INFO kablam! 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Nov 05 01:30:33.271 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Nov 05 01:30:33.271 INFO kablam! 
Nov 05 01:30:33.271 INFO kablam! warning: unused variable: `b`
Nov 05 01:30:33.271 INFO kablam!   --> benches/benchmark.rs:36:24
Nov 05 01:30:33.271 INFO kablam!    |
Nov 05 01:30:33.271 INFO kablam! 36 |                    let b = get_head_tail_breaks(&a);
Nov 05 01:30:33.271 INFO kablam!    |                        ^ help: consider using `_b` instead
Nov 05 01:30:33.271 INFO kablam! 
Nov 05 01:30:33.271 INFO kablam! warning: unused variable: `b`
Nov 05 01:30:33.271 INFO kablam!   --> benches/benchmark.rs:44:25
Nov 05 01:30:33.271 INFO kablam!    |
Nov 05 01:30:33.271 INFO kablam! 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Nov 05 01:30:33.271 INFO kablam!    |                         ^ help: consider using `_b` instead
Nov 05 01:30:33.271 INFO kablam! 
Nov 05 01:30:33.271 INFO kablam! warning: unused variable: `b`
Nov 05 01:30:33.271 INFO kablam!   --> benches/benchmark.rs:52:25
Nov 05 01:30:33.271 INFO kablam!    |
Nov 05 01:30:33.271 INFO kablam! 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Nov 05 01:30:33.272 INFO kablam!    |                         ^ help: consider using `_b` instead
Nov 05 01:30:33.272 INFO kablam! 
Nov 05 01:30:33.272 INFO kablam! warning: unused variable: `b`
Nov 05 01:30:33.272 INFO kablam!   --> benches/benchmark.rs:61:24
Nov 05 01:30:33.272 INFO kablam!    |
Nov 05 01:30:33.272 INFO kablam! 61 |                    let b = get_jenks_breaks(&a, 5);
Nov 05 01:30:33.272 INFO kablam!    |                        ^ help: consider using `_b` instead
Nov 05 01:30:33.272 INFO kablam! 
Nov 05 01:30:33.272 INFO kablam! warning: unused variable: `b`
Nov 05 01:30:33.272 INFO kablam!   --> benches/benchmark.rs:69:25
Nov 05 01:30:33.272 INFO kablam!    |
Nov 05 01:30:33.272 INFO kablam! 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Nov 05 01:30:33.272 INFO kablam!    |                         ^ help: consider using `_b` instead
Nov 05 01:30:33.272 INFO kablam! 
Nov 05 01:30:33.280 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
Nov 05 01:30:33.282 INFO kablam! su: No module specific data is present
Nov 05 01:30:33.583 INFO running `"docker" "rm" "-f" "569b93243c6b87025112556f7f9d02c38ae66dca40df88b15268993a2ebc47d6"`
Nov 05 01:30:33.704 INFO blam! 569b93243c6b87025112556f7f9d02c38ae66dca40df88b15268993a2ebc47d6