Jul 12 04:34:41.389 INFO checking matrix_display-0.2.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 04:34:41.389 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 04:34:41.389 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 04:34:41.389 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-4/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 04:34:41.648 INFO blam! 953f266f56c1302e5313e7cf221a62d729eca73fc0c6dda1958da79d4dc6d10a
Jul 12 04:34:41.648 INFO running `"docker" "start" "-a" "953f266f56c1302e5313e7cf221a62d729eca73fc0c6dda1958da79d4dc6d10a"`
Jul 12 04:34:42.727 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Jul 12 04:34:43.629 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 04:34:43.630 INFO kablam!    --> src/lib.rs:258:9
Jul 12 04:34:43.630 INFO kablam!     |
Jul 12 04:34:43.630 INFO kablam! 258 | /         self.mat
Jul 12 04:34:43.630 INFO kablam! 259 | |             .enumerate_cells()
Jul 12 04:34:43.630 INFO kablam! 260 | |             .chunks(self.n_cols())
Jul 12 04:34:43.630 INFO kablam! 261 | |             .into_iter()
Jul 12 04:34:43.630 INFO kablam! ...   |
Jul 12 04:34:43.630 INFO kablam! 269 | |             })
Jul 12 04:34:43.630 INFO kablam! 270 | |             .collect::<Vec<_>>();
Jul 12 04:34:43.630 INFO kablam!     | |_________________________________^
Jul 12 04:34:43.630 INFO kablam!     |
Jul 12 04:34:43.630 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 04:34:43.630 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 04:34:43.630 INFO kablam! 
Jul 12 04:34:44.715 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 04:34:44.715 INFO kablam!    --> src/lib.rs:258:9
Jul 12 04:34:44.716 INFO kablam!     |
Jul 12 04:34:44.716 INFO kablam! 258 | /         self.mat
Jul 12 04:34:44.716 INFO kablam! 259 | |             .enumerate_cells()
Jul 12 04:34:44.716 INFO kablam! 260 | |             .chunks(self.n_cols())
Jul 12 04:34:44.716 INFO kablam! 261 | |             .into_iter()
Jul 12 04:34:44.716 INFO kablam! ...   |
Jul 12 04:34:44.716 INFO kablam! 269 | |             })
Jul 12 04:34:44.716 INFO kablam! 270 | |             .collect::<Vec<_>>();
Jul 12 04:34:44.716 INFO kablam!     | |_________________________________^
Jul 12 04:34:44.716 INFO kablam!     |
Jul 12 04:34:44.716 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 04:34:44.716 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 04:34:44.716 INFO kablam! 
Jul 12 04:34:44.783 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Jul 12 04:34:44.787 INFO kablam! su: No module specific data is present
Jul 12 04:34:45.585 INFO running `"docker" "rm" "-f" "953f266f56c1302e5313e7cf221a62d729eca73fc0c6dda1958da79d4dc6d10a"`
Jul 12 04:34:45.785 INFO blam! 953f266f56c1302e5313e7cf221a62d729eca73fc0c6dda1958da79d4dc6d10a