Sep 01 08:02:23.384 INFO checking classif-0.0.2 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 08:02:23.384 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 08:02:23.384 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 08:02:23.561 INFO blam! 92b548b0cddc3be7c781c1adf1b91a641e117f69205b00a9421cc42669d37396
Sep 01 08:02:23.563 INFO running `"docker" "start" "-a" "92b548b0cddc3be7c781c1adf1b91a641e117f69205b00a9421cc42669d37396"`
Sep 01 08:02:24.178 INFO kablam!     Checking classif v0.0.2 (file:///source)
Sep 01 08:02:25.220 INFO kablam! warning: variable does not need to be mutable
Sep 01 08:02:25.220 INFO kablam!   --> src/jenks.rs:25:13
Sep 01 08:02:25.221 INFO kablam!    |
Sep 01 08:02:25.221 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Sep 01 08:02:25.221 INFO kablam!    |             ----^
Sep 01 08:02:25.221 INFO kablam!    |             |
Sep 01 08:02:25.221 INFO kablam!    |             help: remove this `mut`
Sep 01 08:02:25.221 INFO kablam!    |
Sep 01 08:02:25.221 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 08:02:25.221 INFO kablam! 
Sep 01 08:02:25.264 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 08:02:25.264 INFO kablam!  --> src/stats.rs:8:5
Sep 01 08:02:25.264 INFO kablam!   |
Sep 01 08:02:25.264 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Sep 01 08:02:25.264 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 08:02:25.264 INFO kablam!   |
Sep 01 08:02:25.264 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Sep 01 08:02:25.264 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 08:02:25.264 INFO kablam! 
Sep 01 08:02:25.562 INFO kablam! warning: variable does not need to be mutable
Sep 01 08:02:25.562 INFO kablam!   --> src/jenks.rs:25:13
Sep 01 08:02:25.562 INFO kablam!    |
Sep 01 08:02:25.562 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Sep 01 08:02:25.562 INFO kablam!    |             ----^
Sep 01 08:02:25.562 INFO kablam!    |             |
Sep 01 08:02:25.562 INFO kablam!    |             help: remove this `mut`
Sep 01 08:02:25.562 INFO kablam!    |
Sep 01 08:02:25.562 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 08:02:25.563 INFO kablam! 
Sep 01 08:02:25.604 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 08:02:25.605 INFO kablam!  --> src/stats.rs:8:5
Sep 01 08:02:25.605 INFO kablam!   |
Sep 01 08:02:25.605 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Sep 01 08:02:25.605 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 08:02:25.605 INFO kablam!   |
Sep 01 08:02:25.605 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Sep 01 08:02:25.605 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 08:02:25.605 INFO kablam! 
Sep 01 08:02:26.461 INFO kablam! warning: unused variable: `mean`
Sep 01 08:02:26.462 INFO kablam!   --> benches/benchmark.rs:13:25
Sep 01 08:02:26.462 INFO kablam!    |
Sep 01 08:02:26.462 INFO kablam! 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Sep 01 08:02:26.462 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 01 08:02:26.462 INFO kablam!    |
Sep 01 08:02:26.462 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 08:02:26.462 INFO kablam! 
Sep 01 08:02:26.462 INFO kablam! warning: unused variable: `mean`
Sep 01 08:02:26.462 INFO kablam!   --> benches/benchmark.rs:20:25
Sep 01 08:02:26.462 INFO kablam!    |
Sep 01 08:02:26.462 INFO kablam! 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Sep 01 08:02:26.462 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 01 08:02:26.462 INFO kablam! 
Sep 01 08:02:26.463 INFO kablam! warning: unused variable: `mean`
Sep 01 08:02:26.463 INFO kablam!   --> benches/benchmark.rs:27:25
Sep 01 08:02:26.463 INFO kablam!    |
Sep 01 08:02:26.463 INFO kablam! 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Sep 01 08:02:26.463 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 01 08:02:26.463 INFO kablam! 
Sep 01 08:02:26.463 INFO kablam! warning: unused variable: `b`
Sep 01 08:02:26.463 INFO kablam!   --> benches/benchmark.rs:36:24
Sep 01 08:02:26.463 INFO kablam!    |
Sep 01 08:02:26.463 INFO kablam! 36 |                    let b = get_head_tail_breaks(&a);
Sep 01 08:02:26.463 INFO kablam!    |                        ^ help: consider using `_b` instead
Sep 01 08:02:26.463 INFO kablam! 
Sep 01 08:02:26.463 INFO kablam! warning: unused variable: `b`
Sep 01 08:02:26.463 INFO kablam!   --> benches/benchmark.rs:44:25
Sep 01 08:02:26.463 INFO kablam!    |
Sep 01 08:02:26.463 INFO kablam! 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Sep 01 08:02:26.464 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 01 08:02:26.464 INFO kablam! 
Sep 01 08:02:26.464 INFO kablam! warning: unused variable: `b`
Sep 01 08:02:26.464 INFO kablam!   --> benches/benchmark.rs:52:25
Sep 01 08:02:26.464 INFO kablam!    |
Sep 01 08:02:26.464 INFO kablam! 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Sep 01 08:02:26.464 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 01 08:02:26.464 INFO kablam! 
Sep 01 08:02:26.464 INFO kablam! warning: unused variable: `b`
Sep 01 08:02:26.464 INFO kablam!   --> benches/benchmark.rs:61:24
Sep 01 08:02:26.464 INFO kablam!    |
Sep 01 08:02:26.464 INFO kablam! 61 |                    let b = get_jenks_breaks(&a, 5);
Sep 01 08:02:26.464 INFO kablam!    |                        ^ help: consider using `_b` instead
Sep 01 08:02:26.464 INFO kablam! 
Sep 01 08:02:26.464 INFO kablam! warning: unused variable: `b`
Sep 01 08:02:26.464 INFO kablam!   --> benches/benchmark.rs:69:25
Sep 01 08:02:26.464 INFO kablam!    |
Sep 01 08:02:26.464 INFO kablam! 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Sep 01 08:02:26.464 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 01 08:02:26.464 INFO kablam! 
Sep 01 08:02:26.502 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Sep 01 08:02:26.507 INFO kablam! su: No module specific data is present
Sep 01 08:02:26.894 INFO running `"docker" "rm" "-f" "92b548b0cddc3be7c781c1adf1b91a641e117f69205b00a9421cc42669d37396"`
Sep 01 08:02:27.033 INFO blam! 92b548b0cddc3be7c781c1adf1b91a641e117f69205b00a9421cc42669d37396