Dec 04 17:28:22.876 INFO checking ianprime0509/rsudoku against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 17:28:22.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 17:28:23.305 INFO [stdout] 7ad03daf667b51c779b1456fb820a84a8c05cbad35c089a51b729d9d39d52a22
Dec 04 17:28:23.308 INFO running `"docker" "start" "-a" "7ad03daf667b51c779b1456fb820a84a8c05cbad35c089a51b729d9d39d52a22"`
Dec 04 17:28:24.064 INFO [stderr] usermod: no changes
Dec 04 17:28:24.199 INFO [stderr]     Checking termion v1.5.1
Dec 04 17:28:24.199 INFO [stderr]     Checking itertools v0.6.2
Dec 04 17:28:24.199 INFO [stderr]     Checking chan v0.1.19
Dec 04 17:28:24.207 INFO [stderr]     Checking error-chain v0.10.0
Dec 04 17:28:25.270 INFO [stderr]     Checking chan-signal v0.3.1
Dec 04 17:28:26.123 INFO [stderr]     Checking rsudoku v0.1.0 (/source)
Dec 04 17:28:29.803 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
Dec 04 17:28:29.805 INFO [stderr] su: No module specific data is present
Dec 04 17:28:30.399 INFO running `"docker" "inspect" "7ad03daf667b51c779b1456fb820a84a8c05cbad35c089a51b729d9d39d52a22"`
Dec 04 17:28:30.625 INFO running `"docker" "rm" "-f" "7ad03daf667b51c779b1456fb820a84a8c05cbad35c089a51b729d9d39d52a22"`
Dec 04 17:28:30.767 INFO [stdout] 7ad03daf667b51c779b1456fb820a84a8c05cbad35c089a51b729d9d39d52a22