Jul 12 04:34:40.628 INFO checking matrix_display-0.2.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 04:34:40.628 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 04:34:40.628 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 04:34:40.628 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-0/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 04:34:40.933 INFO blam! 71c3d9dcc533b66623a5574517668ebbda72854221376bdfa0eb8126b2bdb716
Jul 12 04:34:40.936 INFO running `"docker" "start" "-a" "71c3d9dcc533b66623a5574517668ebbda72854221376bdfa0eb8126b2bdb716"`
Jul 12 04:34:41.877 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Jul 12 04:34:43.141 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 04:34:43.141 INFO kablam!    --> src/lib.rs:258:9
Jul 12 04:34:43.141 INFO kablam!     |
Jul 12 04:34:43.141 INFO kablam! 258 | /         self.mat
Jul 12 04:34:43.141 INFO kablam! 259 | |             .enumerate_cells()
Jul 12 04:34:43.141 INFO kablam! 260 | |             .chunks(self.n_cols())
Jul 12 04:34:43.141 INFO kablam! 261 | |             .into_iter()
Jul 12 04:34:43.141 INFO kablam! ...   |
Jul 12 04:34:43.141 INFO kablam! 269 | |             })
Jul 12 04:34:43.141 INFO kablam! 270 | |             .collect::<Vec<_>>();
Jul 12 04:34:43.141 INFO kablam!     | |_________________________________^
Jul 12 04:34:43.141 INFO kablam!     |
Jul 12 04:34:43.141 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 04:34:43.142 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 04:34:43.142 INFO kablam! 
Jul 12 04:34:44.443 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 04:34:44.443 INFO kablam!    --> src/lib.rs:258:9
Jul 12 04:34:44.443 INFO kablam!     |
Jul 12 04:34:44.443 INFO kablam! 258 | /         self.mat
Jul 12 04:34:44.443 INFO kablam! 259 | |             .enumerate_cells()
Jul 12 04:34:44.444 INFO kablam! 260 | |             .chunks(self.n_cols())
Jul 12 04:34:44.444 INFO kablam! 261 | |             .into_iter()
Jul 12 04:34:44.444 INFO kablam! ...   |
Jul 12 04:34:44.444 INFO kablam! 269 | |             })
Jul 12 04:34:44.444 INFO kablam! 270 | |             .collect::<Vec<_>>();
Jul 12 04:34:44.444 INFO kablam!     | |_________________________________^
Jul 12 04:34:44.446 INFO kablam!     |
Jul 12 04:34:44.446 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 04:34:44.446 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 04:34:44.446 INFO kablam! 
Jul 12 04:34:44.505 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
Jul 12 04:34:44.508 INFO kablam! su: No module specific data is present
Jul 12 04:34:45.275 INFO running `"docker" "rm" "-f" "71c3d9dcc533b66623a5574517668ebbda72854221376bdfa0eb8126b2bdb716"`
Jul 12 04:34:45.422 INFO blam! 71c3d9dcc533b66623a5574517668ebbda72854221376bdfa0eb8126b2bdb716