Oct 27 08:59:48.740 INFO checking aacunningham/sudoku_ai_rust against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 08:59:48.740 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 08:59:49.183 INFO blam! 55e19f3b65b10d31ca9fbb16e817809c930d2103d55bf03a12a959eb86a7d9a4
Oct 27 08:59:49.191 INFO running `"docker" "start" "-a" "55e19f3b65b10d31ca9fbb16e817809c930d2103d55bf03a12a959eb86a7d9a4"`
Oct 27 08:59:50.475 INFO kablam! usermod: no changes
Oct 27 08:59:50.563 INFO kablam!     Checking sudoku_ai v0.1.0 (/source)
Oct 27 08:59:51.254 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 27 08:59:51.254 INFO kablam!  --> src/lib.rs:1:12
Oct 27 08:59:51.254 INFO kablam!   |
Oct 27 08:59:51.254 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 27 08:59:51.254 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 27 08:59:51.254 INFO kablam!   |
Oct 27 08:59:51.254 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 27 08:59:51.254 INFO kablam! 
Oct 27 08:59:51.651 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 27 08:59:51.651 INFO kablam!  --> src/lib.rs:1:12
Oct 27 08:59:51.651 INFO kablam!   |
Oct 27 08:59:51.651 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 27 08:59:51.651 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 27 08:59:51.651 INFO kablam!   |
Oct 27 08:59:51.651 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 27 08:59:51.651 INFO kablam! 
Oct 27 08:59:52.107 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Oct 27 08:59:52.110 INFO kablam! su: No module specific data is present
Oct 27 08:59:52.398 INFO running `"docker" "rm" "-f" "55e19f3b65b10d31ca9fbb16e817809c930d2103d55bf03a12a959eb86a7d9a4"`
Oct 27 08:59:52.579 INFO blam! 55e19f3b65b10d31ca9fbb16e817809c930d2103d55bf03a12a959eb86a7d9a4