Dec 04 07:59:04.233 INFO checking u2/leetcode-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 07:59:04.233 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 07:59:04.694 INFO [stdout] 51c4ea411fe1c6695e4127d740ba402a2aa264b641ab3565fa6b2a88aa7c6ed0
Dec 04 07:59:04.696 INFO running `"docker" "start" "-a" "51c4ea411fe1c6695e4127d740ba402a2aa264b641ab3565fa6b2a88aa7c6ed0"`
Dec 04 07:59:06.072 INFO [stderr] usermod: no changes
Dec 04 07:59:06.167 INFO [stderr]     Checking aho-corasick v0.6.1
Dec 04 07:59:06.819 INFO [stderr]     Checking regex v0.2.1
Dec 04 07:59:09.358 INFO [stderr]     Checking leetcode v0.1.0 (/source)
Dec 04 07:59:09.920 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 04 07:59:09.920 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 04 07:59:09.920 INFO [stderr]    |
Dec 04 07:59:09.921 INFO [stderr] 42 |             j - 1;
Dec 04 07:59:09.921 INFO [stderr]    |             ^^^^^
Dec 04 07:59:09.921 INFO [stderr]    |
Dec 04 07:59:09.921 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:59:09.921 INFO [stderr] 
Dec 04 07:59:10.465 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 04 07:59:10.465 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 04 07:59:10.465 INFO [stderr]    |
Dec 04 07:59:10.465 INFO [stderr] 42 |             j - 1;
Dec 04 07:59:10.465 INFO [stderr]    |             ^^^^^
Dec 04 07:59:10.466 INFO [stderr]    |
Dec 04 07:59:10.466 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 07:59:10.466 INFO [stderr] 
Dec 04 07:59:10.509 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
Dec 04 07:59:10.513 INFO [stderr] su: No module specific data is present
Dec 04 07:59:11.217 INFO running `"docker" "inspect" "51c4ea411fe1c6695e4127d740ba402a2aa264b641ab3565fa6b2a88aa7c6ed0"`
Dec 04 07:59:11.463 INFO running `"docker" "rm" "-f" "51c4ea411fe1c6695e4127d740ba402a2aa264b641ab3565fa6b2a88aa7c6ed0"`
Dec 04 07:59:11.715 INFO [stdout] 51c4ea411fe1c6695e4127d740ba402a2aa264b641ab3565fa6b2a88aa7c6ed0