Aug 31 21:51:25.109 INFO checking matrix_display-0.2.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 21:51:25.109 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 21:51:25.109 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 21:51:25.321 INFO blam! 068bd2376fb2a6c95dadb5345f6e654e5a6379dfba140dffd0953c233c507e8c
Aug 31 21:51:25.323 INFO running `"docker" "start" "-a" "068bd2376fb2a6c95dadb5345f6e654e5a6379dfba140dffd0953c233c507e8c"`
Aug 31 21:51:26.202 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Aug 31 21:51:27.193 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 31 21:51:27.193 INFO kablam!    --> src/lib.rs:258:9
Aug 31 21:51:27.193 INFO kablam!     |
Aug 31 21:51:27.193 INFO kablam! 258 | /         self.mat
Aug 31 21:51:27.193 INFO kablam! 259 | |             .enumerate_cells()
Aug 31 21:51:27.193 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 31 21:51:27.193 INFO kablam! 261 | |             .into_iter()
Aug 31 21:51:27.193 INFO kablam! ...   |
Aug 31 21:51:27.193 INFO kablam! 269 | |             })
Aug 31 21:51:27.193 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 31 21:51:27.193 INFO kablam!     | |_________________________________^
Aug 31 21:51:27.193 INFO kablam!     |
Aug 31 21:51:27.193 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 21:51:27.193 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 31 21:51:27.193 INFO kablam! 
Aug 31 21:51:27.846 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 31 21:51:27.846 INFO kablam!    --> src/lib.rs:258:9
Aug 31 21:51:27.846 INFO kablam!     |
Aug 31 21:51:27.846 INFO kablam! 258 | /         self.mat
Aug 31 21:51:27.846 INFO kablam! 259 | |             .enumerate_cells()
Aug 31 21:51:27.846 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 31 21:51:27.846 INFO kablam! 261 | |             .into_iter()
Aug 31 21:51:27.846 INFO kablam! ...   |
Aug 31 21:51:27.846 INFO kablam! 269 | |             })
Aug 31 21:51:27.846 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 31 21:51:27.846 INFO kablam!     | |_________________________________^
Aug 31 21:51:27.846 INFO kablam!     |
Aug 31 21:51:27.846 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 21:51:27.846 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 31 21:51:27.846 INFO kablam! 
Aug 31 21:51:27.960 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
Aug 31 21:51:27.962 INFO kablam! su: No module specific data is present
Aug 31 21:51:28.332 INFO running `"docker" "rm" "-f" "068bd2376fb2a6c95dadb5345f6e654e5a6379dfba140dffd0953c233c507e8c"`
Aug 31 21:51:28.421 INFO blam! 068bd2376fb2a6c95dadb5345f6e654e5a6379dfba140dffd0953c233c507e8c