Aug 02 11:19:59.321 INFO checking dlx-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:19:59.321 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:19:59.321 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:19:59.321 INFO running `"docker" "create" "-v" "/tmp/crater.ktc35wek9DUA:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 11:19:59.569 INFO blam! b476f814ac8bea001a33471c625d4d024185c23975abee90216fcd68b66848c8
Aug 02 11:19:59.569 INFO running `"docker" "start" "-a" "b476f814ac8bea001a33471c625d4d024185c23975abee90216fcd68b66848c8"`
Aug 02 11:20:00.746 INFO kablam!     Checking dlx v0.1.0 (file:///source)
Aug 02 11:20:02.390 INFO kablam! warning: doc comment not used by rustdoc
Aug 02 11:20:02.390 INFO kablam!   --> examples/sudoku.rs:91:9
Aug 02 11:20:02.390 INFO kablam!    |
Aug 02 11:20:02.390 INFO kablam! 91 |         /// Convert the rows from the exact cover matrix into a
Aug 02 11:20:02.390 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:20:02.390 INFO kablam!    |
Aug 02 11:20:02.390 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Aug 02 11:20:02.390 INFO kablam! 
Aug 02 11:20:02.552 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
Aug 02 11:20:02.553 INFO kablam! su: No module specific data is present
Aug 02 11:20:03.316 INFO running `"docker" "rm" "-f" "b476f814ac8bea001a33471c625d4d024185c23975abee90216fcd68b66848c8"`
Aug 02 11:20:03.437 INFO blam! b476f814ac8bea001a33471c625d4d024185c23975abee90216fcd68b66848c8