Nov 30 07:46:08.830 INFO checking aacunningham/sudoku_ai_rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 07:46:08.830 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 07:46:09.055 INFO [stdout] d49a89184455b165c86cc8c1650be08dd30251ec93fc60562ae007af19e57d3b
Nov 30 07:46:09.064 INFO running `"docker" "start" "-a" "d49a89184455b165c86cc8c1650be08dd30251ec93fc60562ae007af19e57d3b"`
Nov 30 07:46:09.525 INFO [stderr] usermod: no changes
Nov 30 07:46:09.584 INFO [stderr]     Checking sudoku_ai v0.1.0 (/source)
Nov 30 07:46:10.120 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 30 07:46:10.120 INFO [stderr]  --> src/lib.rs:1:12
Nov 30 07:46:10.120 INFO [stderr]   |
Nov 30 07:46:10.120 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 30 07:46:10.120 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 30 07:46:10.120 INFO [stderr]   |
Nov 30 07:46:10.120 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 07:46:10.120 INFO [stderr] 
Nov 30 07:46:10.387 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 30 07:46:10.387 INFO [stderr]  --> src/lib.rs:1:12
Nov 30 07:46:10.388 INFO [stderr]   |
Nov 30 07:46:10.388 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 30 07:46:10.388 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 30 07:46:10.388 INFO [stderr]   |
Nov 30 07:46:10.388 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 07:46:10.388 INFO [stderr] 
Nov 30 07:46:10.882 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Nov 30 07:46:10.882 INFO [stderr] su: No module specific data is present
Nov 30 07:46:11.464 INFO running `"docker" "inspect" "d49a89184455b165c86cc8c1650be08dd30251ec93fc60562ae007af19e57d3b"`
Nov 30 07:46:11.720 INFO running `"docker" "rm" "-f" "d49a89184455b165c86cc8c1650be08dd30251ec93fc60562ae007af19e57d3b"`
Nov 30 07:46:12.118 INFO [stdout] d49a89184455b165c86cc8c1650be08dd30251ec93fc60562ae007af19e57d3b