Sep 14 18:26:07.751 INFO checking classif-0.0.2 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 18:26:07.751 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 18:26:07.751 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 18:26:08.060 INFO blam! 7bc23dc7edff14639f3abdbd532992dd1108a6e2063d2f8bcf4c423d98dda1df
Sep 14 18:26:08.062 INFO running `"docker" "start" "-a" "7bc23dc7edff14639f3abdbd532992dd1108a6e2063d2f8bcf4c423d98dda1df"`
Sep 14 18:26:08.705 INFO kablam! usermod: no changes
Sep 14 18:26:08.735 INFO kablam!     Checking classif v0.0.2 (file:///source)
Sep 14 18:26:09.199 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:26:09.199 INFO kablam!   --> src/jenks.rs:25:13
Sep 14 18:26:09.199 INFO kablam!    |
Sep 14 18:26:09.199 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Sep 14 18:26:09.199 INFO kablam!    |             ----^
Sep 14 18:26:09.199 INFO kablam!    |             |
Sep 14 18:26:09.199 INFO kablam!    |             help: remove this `mut`
Sep 14 18:26:09.199 INFO kablam!    |
Sep 14 18:26:09.199 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 18:26:09.199 INFO kablam! 
Sep 14 18:26:09.222 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 14 18:26:09.223 INFO kablam!  --> src/stats.rs:8:5
Sep 14 18:26:09.223 INFO kablam!   |
Sep 14 18:26:09.223 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Sep 14 18:26:09.223 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 18:26:09.223 INFO kablam!   |
Sep 14 18:26:09.223 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Sep 14 18:26:09.223 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 14 18:26:09.223 INFO kablam! 
Sep 14 18:26:09.365 INFO kablam! warning: variable does not need to be mutable
Sep 14 18:26:09.365 INFO kablam!   --> src/jenks.rs:25:13
Sep 14 18:26:09.365 INFO kablam!    |
Sep 14 18:26:09.365 INFO kablam! 25 |         let mut v = unsafe { self.values.get_unchecked_mut(ix.0 * self.dim + ix.1) };
Sep 14 18:26:09.365 INFO kablam!    |             ----^
Sep 14 18:26:09.365 INFO kablam!    |             |
Sep 14 18:26:09.365 INFO kablam!    |             help: remove this `mut`
Sep 14 18:26:09.365 INFO kablam!    |
Sep 14 18:26:09.365 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 18:26:09.365 INFO kablam! 
Sep 14 18:26:09.396 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 14 18:26:09.396 INFO kablam!  --> src/stats.rs:8:5
Sep 14 18:26:09.396 INFO kablam!   |
Sep 14 18:26:09.396 INFO kablam! 8 |     values.iter().map(|v| sum += *v).collect::<Vec<_>>();
Sep 14 18:26:09.396 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 18:26:09.396 INFO kablam!   |
Sep 14 18:26:09.396 INFO kablam!   = note: #[warn(unused_must_use)] on by default
Sep 14 18:26:09.396 INFO kablam!   = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 14 18:26:09.396 INFO kablam! 
Sep 14 18:26:09.664 INFO kablam! warning: unused variable: `mean`
Sep 14 18:26:09.664 INFO kablam!   --> benches/benchmark.rs:13:25
Sep 14 18:26:09.664 INFO kablam!    |
Sep 14 18:26:09.664 INFO kablam! 13 |     bench.iter(|| { let mean = stats::mean(&a); });
Sep 14 18:26:09.664 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 14 18:26:09.664 INFO kablam!    |
Sep 14 18:26:09.664 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 14 18:26:09.664 INFO kablam! 
Sep 14 18:26:09.664 INFO kablam! warning: unused variable: `mean`
Sep 14 18:26:09.664 INFO kablam!   --> benches/benchmark.rs:20:25
Sep 14 18:26:09.664 INFO kablam!    |
Sep 14 18:26:09.664 INFO kablam! 20 |     bench.iter(|| { let mean = stats::kurtosis(&a); });
Sep 14 18:26:09.664 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 14 18:26:09.664 INFO kablam! 
Sep 14 18:26:09.664 INFO kablam! warning: unused variable: `mean`
Sep 14 18:26:09.664 INFO kablam!   --> benches/benchmark.rs:27:25
Sep 14 18:26:09.664 INFO kablam!    |
Sep 14 18:26:09.664 INFO kablam! 27 |     bench.iter(|| { let mean = stats::variance(&a); });
Sep 14 18:26:09.664 INFO kablam!    |                         ^^^^ help: consider using `_mean` instead
Sep 14 18:26:09.664 INFO kablam! 
Sep 14 18:26:09.664 INFO kablam! warning: unused variable: `b`
Sep 14 18:26:09.664 INFO kablam!   --> benches/benchmark.rs:36:24
Sep 14 18:26:09.664 INFO kablam!    |
Sep 14 18:26:09.664 INFO kablam! 36 |                    let b = get_head_tail_breaks(&a);
Sep 14 18:26:09.664 INFO kablam!    |                        ^ help: consider using `_b` instead
Sep 14 18:26:09.664 INFO kablam! 
Sep 14 18:26:09.664 INFO kablam! warning: unused variable: `b`
Sep 14 18:26:09.664 INFO kablam!   --> benches/benchmark.rs:44:25
Sep 14 18:26:09.664 INFO kablam!    |
Sep 14 18:26:09.664 INFO kablam! 44 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::HeadTail).unwrap(); });
Sep 14 18:26:09.664 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 14 18:26:09.664 INFO kablam! 
Sep 14 18:26:09.664 INFO kablam! warning: unused variable: `b`
Sep 14 18:26:09.664 INFO kablam!   --> benches/benchmark.rs:52:25
Sep 14 18:26:09.664 INFO kablam!    |
Sep 14 18:26:09.664 INFO kablam! 52 |     bench.iter(|| { let b = get_jenks_breaks(&a, 5); });
Sep 14 18:26:09.664 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 14 18:26:09.664 INFO kablam! 
Sep 14 18:26:09.664 INFO kablam! warning: unused variable: `b`
Sep 14 18:26:09.665 INFO kablam!   --> benches/benchmark.rs:61:24
Sep 14 18:26:09.665 INFO kablam!    |
Sep 14 18:26:09.665 INFO kablam! 61 |                    let b = get_jenks_breaks(&a, 5);
Sep 14 18:26:09.665 INFO kablam!    |                        ^ help: consider using `_b` instead
Sep 14 18:26:09.665 INFO kablam! 
Sep 14 18:26:09.665 INFO kablam! warning: unused variable: `b`
Sep 14 18:26:09.665 INFO kablam!   --> benches/benchmark.rs:69:25
Sep 14 18:26:09.665 INFO kablam!    |
Sep 14 18:26:09.665 INFO kablam! 69 |     bench.iter(|| { let b = BoundsInfo::new(5, &a, Classification::JenksNaturalBreaks).unwrap(); });
Sep 14 18:26:09.665 INFO kablam!    |                         ^ help: consider using `_b` instead
Sep 14 18:26:09.665 INFO kablam! 
Sep 14 18:26:09.691 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Sep 14 18:26:09.694 INFO kablam! su: No module specific data is present
Sep 14 18:26:10.151 INFO running `"docker" "rm" "-f" "7bc23dc7edff14639f3abdbd532992dd1108a6e2063d2f8bcf4c423d98dda1df"`
Sep 14 18:26:10.327 INFO blam! 7bc23dc7edff14639f3abdbd532992dd1108a6e2063d2f8bcf4c423d98dda1df