Sep 02 16:12:56.337 INFO checking dlx-0.1.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 16:12:56.337 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 16:12:56.337 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 16:12:56.482 INFO blam! 2dc582e1e6987b3a922d0e1d97ccc29d013ed317dbdd9a03ab14440f3b3579a2
Sep 02 16:12:56.486 INFO running `"docker" "start" "-a" "2dc582e1e6987b3a922d0e1d97ccc29d013ed317dbdd9a03ab14440f3b3579a2"`
Sep 02 16:12:57.182 INFO kablam!     Checking dlx v0.1.0 (file:///source)
Sep 02 16:12:58.783 INFO kablam! warning: doc comment not used by rustdoc
Sep 02 16:12:58.783 INFO kablam!   --> examples/sudoku.rs:91:9
Sep 02 16:12:58.783 INFO kablam!    |
Sep 02 16:12:58.783 INFO kablam! 91 |         /// Convert the rows from the exact cover matrix into a
Sep 02 16:12:58.783 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 16:12:58.783 INFO kablam!    |
Sep 02 16:12:58.783 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 02 16:12:58.784 INFO kablam! 
Sep 02 16:12:58.888 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
Sep 02 16:12:58.891 INFO kablam! su: No module specific data is present
Sep 02 16:12:59.288 INFO running `"docker" "rm" "-f" "2dc582e1e6987b3a922d0e1d97ccc29d013ed317dbdd9a03ab14440f3b3579a2"`
Sep 02 16:12:59.390 INFO blam! 2dc582e1e6987b3a922d0e1d97ccc29d013ed317dbdd9a03ab14440f3b3579a2