Aug 30 11:05:59.497 INFO checking matrix_display-0.2.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 11:05:59.497 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 11:05:59.497 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 11:05:59.677 INFO blam! e43db1843697cb5fc7651c50ed2ad32810eb3f113c554675129d71b0ba28f94a
Aug 30 11:05:59.679 INFO running `"docker" "start" "-a" "e43db1843697cb5fc7651c50ed2ad32810eb3f113c554675129d71b0ba28f94a"`
Aug 30 11:06:00.423 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Aug 30 11:06:01.566 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 30 11:06:01.566 INFO kablam!    --> src/lib.rs:258:9
Aug 30 11:06:01.566 INFO kablam!     |
Aug 30 11:06:01.566 INFO kablam! 258 | /         self.mat
Aug 30 11:06:01.566 INFO kablam! 259 | |             .enumerate_cells()
Aug 30 11:06:01.566 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 30 11:06:01.567 INFO kablam! 261 | |             .into_iter()
Aug 30 11:06:01.567 INFO kablam! ...   |
Aug 30 11:06:01.567 INFO kablam! 269 | |             })
Aug 30 11:06:01.567 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 30 11:06:01.567 INFO kablam!     | |_________________________________^
Aug 30 11:06:01.567 INFO kablam!     |
Aug 30 11:06:01.567 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 11:06:01.567 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 30 11:06:01.567 INFO kablam! 
Aug 30 11:06:02.457 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 30 11:06:02.457 INFO kablam!    --> src/lib.rs:258:9
Aug 30 11:06:02.457 INFO kablam!     |
Aug 30 11:06:02.457 INFO kablam! 258 | /         self.mat
Aug 30 11:06:02.457 INFO kablam! 259 | |             .enumerate_cells()
Aug 30 11:06:02.457 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 30 11:06:02.457 INFO kablam! 261 | |             .into_iter()
Aug 30 11:06:02.457 INFO kablam! ...   |
Aug 30 11:06:02.457 INFO kablam! 269 | |             })
Aug 30 11:06:02.457 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 30 11:06:02.457 INFO kablam!     | |_________________________________^
Aug 30 11:06:02.457 INFO kablam!     |
Aug 30 11:06:02.457 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 11:06:02.457 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 30 11:06:02.457 INFO kablam! 
Aug 30 11:06:02.813 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
Aug 30 11:06:02.816 INFO kablam! su: No module specific data is present
Aug 30 11:06:03.270 INFO running `"docker" "rm" "-f" "e43db1843697cb5fc7651c50ed2ad32810eb3f113c554675129d71b0ba28f94a"`
Aug 30 11:06:03.395 INFO blam! e43db1843697cb5fc7651c50ed2ad32810eb3f113c554675129d71b0ba28f94a