Nov 09 17:11:25.699 INFO checking aacunningham/sudoku_ai_rust against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 17:11:25.699 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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"`
Nov 09 17:11:25.940 INFO blam! 371002b0214f25963f80c0472def254b33739caf6ead34c73b912b161c4a73af
Nov 09 17:11:25.945 INFO running `"docker" "start" "-a" "371002b0214f25963f80c0472def254b33739caf6ead34c73b912b161c4a73af"`
Nov 09 17:11:27.255 INFO kablam! usermod: no changes
Nov 09 17:11:27.331 INFO kablam!     Checking sudoku_ai v0.1.0 (/source)
Nov 09 17:11:27.931 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 09 17:11:27.931 INFO kablam!  --> src/lib.rs:1:12
Nov 09 17:11:27.931 INFO kablam!   |
Nov 09 17:11:27.931 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 09 17:11:27.931 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 09 17:11:27.931 INFO kablam!   |
Nov 09 17:11:27.931 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 09 17:11:27.931 INFO kablam! 
Nov 09 17:11:28.623 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 09 17:11:28.623 INFO kablam!  --> src/lib.rs:1:12
Nov 09 17:11:28.623 INFO kablam!   |
Nov 09 17:11:28.623 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 09 17:11:28.623 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 09 17:11:28.623 INFO kablam!   |
Nov 09 17:11:28.623 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 09 17:11:28.623 INFO kablam! 
Nov 09 17:11:28.989 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
Nov 09 17:11:28.993 INFO kablam! su: No module specific data is present
Nov 09 17:11:29.611 INFO running `"docker" "rm" "-f" "371002b0214f25963f80c0472def254b33739caf6ead34c73b912b161c4a73af"`
Nov 09 17:11:29.786 INFO blam! 371002b0214f25963f80c0472def254b33739caf6ead34c73b912b161c4a73af