Oct 13 01:51:22.627 INFO checking aacunningham/sudoku_ai_rust against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 01:51:22.627 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 01:51:23.126 INFO blam! eb309a9bb36c03c8e687caffb7da21f73648d0402b1306c8c671887fbb5c0271
Oct 13 01:51:23.127 INFO running `"docker" "start" "-a" "eb309a9bb36c03c8e687caffb7da21f73648d0402b1306c8c671887fbb5c0271"`
Oct 13 01:51:24.524 INFO kablam! usermod: no changes
Oct 13 01:51:24.576 INFO kablam!     Checking sudoku_ai v0.1.0 (/source)
Oct 13 01:51:25.444 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 13 01:51:25.444 INFO kablam!  --> src/lib.rs:1:12
Oct 13 01:51:25.444 INFO kablam!   |
Oct 13 01:51:25.444 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 13 01:51:25.444 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 13 01:51:25.444 INFO kablam!   |
Oct 13 01:51:25.444 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 01:51:25.444 INFO kablam! 
Oct 13 01:51:25.760 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 13 01:51:25.760 INFO kablam!  --> src/lib.rs:1:12
Oct 13 01:51:25.760 INFO kablam!   |
Oct 13 01:51:25.760 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 13 01:51:25.760 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 13 01:51:25.760 INFO kablam!   |
Oct 13 01:51:25.760 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 01:51:25.760 INFO kablam! 
Oct 13 01:51:26.223 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Oct 13 01:51:26.227 INFO kablam! su: No module specific data is present
Oct 13 01:51:26.756 INFO running `"docker" "rm" "-f" "eb309a9bb36c03c8e687caffb7da21f73648d0402b1306c8c671887fbb5c0271"`
Oct 13 01:51:26.884 INFO blam! eb309a9bb36c03c8e687caffb7da21f73648d0402b1306c8c671887fbb5c0271