Sep 01 14:25:06.399 INFO checking matrix_display-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 14:25:06.399 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 14:25:06.400 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 14:25:06.671 INFO blam! 0a635e8a75258203bb54bab6ce2d347cc9021e022a55132a9774b2403740c19e
Sep 01 14:25:06.676 INFO running `"docker" "start" "-a" "0a635e8a75258203bb54bab6ce2d347cc9021e022a55132a9774b2403740c19e"`
Sep 01 14:25:07.852 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Sep 01 14:25:08.531 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 14:25:08.531 INFO kablam!    --> src/lib.rs:258:9
Sep 01 14:25:08.531 INFO kablam!     |
Sep 01 14:25:08.531 INFO kablam! 258 | /         self.mat
Sep 01 14:25:08.531 INFO kablam! 259 | |             .enumerate_cells()
Sep 01 14:25:08.531 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 01 14:25:08.531 INFO kablam! 261 | |             .into_iter()
Sep 01 14:25:08.531 INFO kablam! ...   |
Sep 01 14:25:08.531 INFO kablam! 269 | |             })
Sep 01 14:25:08.531 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 01 14:25:08.531 INFO kablam!     | |_________________________________^
Sep 01 14:25:08.532 INFO kablam!     |
Sep 01 14:25:08.532 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 14:25:08.532 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 14:25:08.532 INFO kablam! 
Sep 01 14:25:09.316 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 14:25:09.316 INFO kablam!    --> src/lib.rs:258:9
Sep 01 14:25:09.316 INFO kablam!     |
Sep 01 14:25:09.316 INFO kablam! 258 | /         self.mat
Sep 01 14:25:09.316 INFO kablam! 259 | |             .enumerate_cells()
Sep 01 14:25:09.316 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 01 14:25:09.316 INFO kablam! 261 | |             .into_iter()
Sep 01 14:25:09.316 INFO kablam! ...   |
Sep 01 14:25:09.316 INFO kablam! 269 | |             })
Sep 01 14:25:09.316 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 01 14:25:09.316 INFO kablam!     | |_________________________________^
Sep 01 14:25:09.316 INFO kablam!     |
Sep 01 14:25:09.316 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 14:25:09.316 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 14:25:09.316 INFO kablam! 
Sep 01 14:25:09.510 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Sep 01 14:25:09.514 INFO kablam! su: No module specific data is present
Sep 01 14:25:10.029 INFO running `"docker" "rm" "-f" "0a635e8a75258203bb54bab6ce2d347cc9021e022a55132a9774b2403740c19e"`
Sep 01 14:25:10.161 INFO blam! 0a635e8a75258203bb54bab6ce2d347cc9021e022a55132a9774b2403740c19e