Nov 01 09:19:45.768 INFO checking aacunningham/sudoku_ai_rust against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 09:19:45.770 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 09:19:46.222 INFO blam! 6c85526e0da66180272f8b4687184c4f46ba1e1b9ab843f4bd88711c010f4a56
Nov 01 09:19:46.223 INFO running `"docker" "start" "-a" "6c85526e0da66180272f8b4687184c4f46ba1e1b9ab843f4bd88711c010f4a56"`
Nov 01 09:19:47.385 INFO kablam! usermod: no changes
Nov 01 09:19:47.464 INFO kablam!     Checking sudoku_ai v0.1.0 (/source)
Nov 01 09:19:48.114 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 01 09:19:48.115 INFO kablam!  --> src/lib.rs:1:12
Nov 01 09:19:48.115 INFO kablam!   |
Nov 01 09:19:48.115 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 01 09:19:48.115 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 01 09:19:48.116 INFO kablam!   |
Nov 01 09:19:48.116 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 09:19:48.116 INFO kablam! 
Nov 01 09:19:48.342 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 01 09:19:48.342 INFO kablam!  --> src/lib.rs:1:12
Nov 01 09:19:48.348 INFO kablam!   |
Nov 01 09:19:48.349 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 01 09:19:48.349 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 01 09:19:48.349 INFO kablam!   |
Nov 01 09:19:48.350 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 09:19:48.350 INFO kablam! 
Nov 01 09:19:49.084 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Nov 01 09:19:49.106 INFO kablam! su: No module specific data is present
Nov 01 09:19:49.663 INFO running `"docker" "rm" "-f" "6c85526e0da66180272f8b4687184c4f46ba1e1b9ab843f4bd88711c010f4a56"`
Nov 01 09:19:49.892 INFO blam! 6c85526e0da66180272f8b4687184c4f46ba1e1b9ab843f4bd88711c010f4a56