Sep 19 22:32:00.749 INFO checking matrix_display-0.2.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 22:32:00.749 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 22:32:00.749 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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=1000" "-e" "CMD=cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:32:01.035 INFO blam! 3a2e58523e792bceee89aca0ffd3c92aa959ba4f89003419a4c56a25888282ac
Sep 19 22:32:01.037 INFO running `"docker" "start" "-a" "3a2e58523e792bceee89aca0ffd3c92aa959ba4f89003419a4c56a25888282ac"`
Sep 19 22:32:02.595 INFO kablam! usermod: no changes
Sep 19 22:32:02.626 INFO kablam!     Checking matrix_display v0.2.0 (/source)
Sep 19 22:32:03.027 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 19 22:32:03.027 INFO kablam!    --> src/lib.rs:258:9
Sep 19 22:32:03.027 INFO kablam!     |
Sep 19 22:32:03.031 INFO kablam! 258 | /         self.mat
Sep 19 22:32:03.031 INFO kablam! 259 | |             .enumerate_cells()
Sep 19 22:32:03.031 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 19 22:32:03.031 INFO kablam! 261 | |             .into_iter()
Sep 19 22:32:03.031 INFO kablam! ...   |
Sep 19 22:32:03.031 INFO kablam! 269 | |             })
Sep 19 22:32:03.031 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 19 22:32:03.031 INFO kablam!     | |_________________________________^
Sep 19 22:32:03.031 INFO kablam!     |
Sep 19 22:32:03.031 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 22:32:03.031 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 19 22:32:03.031 INFO kablam! 
Sep 19 22:32:03.487 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 19 22:32:03.487 INFO kablam!    --> src/lib.rs:258:9
Sep 19 22:32:03.487 INFO kablam!     |
Sep 19 22:32:03.487 INFO kablam! 258 | /         self.mat
Sep 19 22:32:03.487 INFO kablam! 259 | |             .enumerate_cells()
Sep 19 22:32:03.487 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 19 22:32:03.487 INFO kablam! 261 | |             .into_iter()
Sep 19 22:32:03.487 INFO kablam! ...   |
Sep 19 22:32:03.487 INFO kablam! 269 | |             })
Sep 19 22:32:03.487 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 19 22:32:03.487 INFO kablam!     | |_________________________________^
Sep 19 22:32:03.487 INFO kablam!     |
Sep 19 22:32:03.487 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 22:32:03.487 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 19 22:32:03.487 INFO kablam! 
Sep 19 22:32:03.575 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Sep 19 22:32:03.581 INFO kablam! su: No module specific data is present
Sep 19 22:32:04.667 INFO running `"docker" "rm" "-f" "3a2e58523e792bceee89aca0ffd3c92aa959ba4f89003419a4c56a25888282ac"`
Sep 19 22:32:04.907 INFO blam! 3a2e58523e792bceee89aca0ffd3c92aa959ba4f89003419a4c56a25888282ac