Sep 20 05:22:20.593 INFO checking classif-0.0.2 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 05:22:20.593 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 05:22:20.593 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 05:22:20.736 INFO blam! a8faec282e0b645201b10f6ecb0f601684b197eb1d8617398bc1f1db7abe739f
Sep 20 05:22:20.737 INFO running `"docker" "start" "-a" "a8faec282e0b645201b10f6ecb0f601684b197eb1d8617398bc1f1db7abe739f"`
Sep 20 05:22:22.149 INFO kablam! usermod: no changes
Sep 20 05:22:22.170 INFO kablam!     Checking classif v0.0.2 (/source)
Sep 20 05:22:22.582 INFO kablam! warning: variable does not need to be mutable
Sep 20 05:22:22.582 INFO kablam!   --> src/jenks.rs:25:13
Sep 20 05:22:22.582 INFO kablam!    |
Sep 20 05:22:22.582 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Sep 20 05:22:22.582 INFO kablam!    |             ----^
Sep 20 05:22:22.582 INFO kablam!    |             |
Sep 20 05:22:22.582 INFO kablam!    |             help: remove this `mut`
Sep 20 05:22:22.582 INFO kablam!    |
Sep 20 05:22:22.582 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 05:22:22.582 INFO kablam! 
Sep 20 05:22:22.604 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 20 05:22:22.604 INFO kablam!  --> src/stats.rs:8:5
Sep 20 05:22:22.606 INFO kablam!   |
Sep 20 05:22:22.606 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Sep 20 05:22:22.606 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 05:22:22.606 INFO kablam!   |
Sep 20 05:22:22.606 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Sep 20 05:22:22.606 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 20 05:22:22.606 INFO kablam! 
Sep 20 05:22:22.863 INFO kablam! warning: variable does not need to be mutable
Sep 20 05:22:22.863 INFO kablam!   --> src/jenks.rs:25:13
Sep 20 05:22:22.863 INFO kablam!    |
Sep 20 05:22:22.863 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Sep 20 05:22:22.863 INFO kablam!    |             ----^
Sep 20 05:22:22.863 INFO kablam!    |             |
Sep 20 05:22:22.863 INFO kablam!    |             help: remove this `mut`
Sep 20 05:22:22.863 INFO kablam!    |
Sep 20 05:22:22.863 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 05:22:22.863 INFO kablam! 
Sep 20 05:22:22.885 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 20 05:22:22.885 INFO kablam!  --> src/stats.rs:8:5
Sep 20 05:22:22.885 INFO kablam!   |
Sep 20 05:22:22.885 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Sep 20 05:22:22.885 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 05:22:22.885 INFO kablam!   |
Sep 20 05:22:22.885 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Sep 20 05:22:22.885 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 20 05:22:22.885 INFO kablam! 
Sep 20 05:22:22.976 INFO kablam! warning: unused variable: `mean`
Sep 20 05:22:22.976 INFO kablam!   --> benches/benchmark.rs:13:25
Sep 20 05:22:22.976 INFO kablam!    |
Sep 20 05:22:22.976 INFO kablam! 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Sep 20 05:22:22.976 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 20 05:22:22.976 INFO kablam!    |
Sep 20 05:22:22.976 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 20 05:22:22.976 INFO kablam! 
Sep 20 05:22:22.976 INFO kablam! warning: unused variable: `mean`
Sep 20 05:22:22.976 INFO kablam!   --> benches/benchmark.rs:20:25
Sep 20 05:22:22.976 INFO kablam!    |
Sep 20 05:22:22.976 INFO kablam! 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Sep 20 05:22:22.976 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 20 05:22:22.976 INFO kablam! 
Sep 20 05:22:22.978 INFO kablam! warning: unused variable: `mean`
Sep 20 05:22:22.978 INFO kablam!   --> benches/benchmark.rs:27:25
Sep 20 05:22:22.978 INFO kablam!    |
Sep 20 05:22:22.978 INFO kablam! 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Sep 20 05:22:22.978 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 20 05:22:22.978 INFO kablam! 
Sep 20 05:22:22.978 INFO kablam! warning: unused variable: `b`
Sep 20 05:22:22.978 INFO kablam!   --> benches/benchmark.rs:36:24
Sep 20 05:22:22.978 INFO kablam!    |
Sep 20 05:22:22.978 INFO kablam! 36 |                    let b = get_head_tail_breaks(&a);
Sep 20 05:22:22.978 INFO kablam!    |                        ^ help: consider using `_b` instead
Sep 20 05:22:22.978 INFO kablam! 
Sep 20 05:22:22.978 INFO kablam! warning: unused variable: `b`
Sep 20 05:22:22.978 INFO kablam!   --> benches/benchmark.rs:44:25
Sep 20 05:22:22.978 INFO kablam!    |
Sep 20 05:22:22.978 INFO kablam! 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Sep 20 05:22:22.978 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 20 05:22:22.978 INFO kablam! 
Sep 20 05:22:22.978 INFO kablam! warning: unused variable: `b`
Sep 20 05:22:22.978 INFO kablam!   --> benches/benchmark.rs:52:25
Sep 20 05:22:22.978 INFO kablam!    |
Sep 20 05:22:22.978 INFO kablam! 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Sep 20 05:22:22.978 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 20 05:22:22.978 INFO kablam! 
Sep 20 05:22:22.978 INFO kablam! warning: unused variable: `b`
Sep 20 05:22:22.978 INFO kablam!   --> benches/benchmark.rs:61:24
Sep 20 05:22:22.978 INFO kablam!    |
Sep 20 05:22:22.978 INFO kablam! 61 |                    let b = get_jenks_breaks(&a, 5);
Sep 20 05:22:22.978 INFO kablam!    |                        ^ help: consider using `_b` instead
Sep 20 05:22:22.978 INFO kablam! 
Sep 20 05:22:22.978 INFO kablam! warning: unused variable: `b`
Sep 20 05:22:22.978 INFO kablam!   --> benches/benchmark.rs:69:25
Sep 20 05:22:22.978 INFO kablam!    |
Sep 20 05:22:22.978 INFO kablam! 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Sep 20 05:22:22.978 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 20 05:22:22.978 INFO kablam! 
Sep 20 05:22:22.995 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Sep 20 05:22:22.996 INFO kablam! su: No module specific data is present
Sep 20 05:22:23.728 INFO running `"docker" "rm" "-f" "a8faec282e0b645201b10f6ecb0f601684b197eb1d8617398bc1f1db7abe739f"`
Sep 20 05:22:23.813 INFO blam! a8faec282e0b645201b10f6ecb0f601684b197eb1d8617398bc1f1db7abe739f