Dec 11 07:07:31.482 INFO checking u2/leetcode-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 07:07:31.482 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 07:07:31.980 INFO [stdout] a59293c0d58cde8ce346d473363b24dcd95ab2fde0f7559c3febe4dc45f8477a
Dec 11 07:07:31.986 INFO running `"docker" "start" "-a" "a59293c0d58cde8ce346d473363b24dcd95ab2fde0f7559c3febe4dc45f8477a"`
Dec 11 07:07:33.656 INFO [stderr] usermod: no changes
Dec 11 07:07:33.800 INFO [stderr]     Checking thread-id v3.0.0
Dec 11 07:07:33.800 INFO [stderr]     Checking memchr v1.0.1
Dec 11 07:07:34.128 INFO [stderr]     Checking thread_local v0.3.2
Dec 11 07:07:34.360 INFO [stderr]     Checking aho-corasick v0.6.1
Dec 11 07:07:35.234 INFO [stderr]     Checking regex v0.2.1
Dec 11 07:07:37.412 INFO [stderr]     Checking leetcode v0.1.0 (/source)
Dec 11 07:07:38.020 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 07:07:38.020 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 11 07:07:38.020 INFO [stderr]    |
Dec 11 07:07:38.020 INFO [stderr] 42 |             j - 1;
Dec 11 07:07:38.020 INFO [stderr]    |             ^^^^^
Dec 11 07:07:38.020 INFO [stderr]    |
Dec 11 07:07:38.020 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:07:38.020 INFO [stderr] 
Dec 11 07:07:38.412 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 07:07:38.412 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 11 07:07:38.412 INFO [stderr]    |
Dec 11 07:07:38.412 INFO [stderr] 42 |             j - 1;
Dec 11 07:07:38.412 INFO [stderr]    |             ^^^^^
Dec 11 07:07:38.412 INFO [stderr]    |
Dec 11 07:07:38.412 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:07:38.412 INFO [stderr] 
Dec 11 07:07:38.472 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
Dec 11 07:07:38.472 INFO [stderr] su: No module specific data is present
Dec 11 07:07:39.302 INFO running `"docker" "inspect" "a59293c0d58cde8ce346d473363b24dcd95ab2fde0f7559c3febe4dc45f8477a"`
Dec 11 07:07:39.618 INFO running `"docker" "rm" "-f" "a59293c0d58cde8ce346d473363b24dcd95ab2fde0f7559c3febe4dc45f8477a"`
Dec 11 07:07:39.920 INFO [stdout] a59293c0d58cde8ce346d473363b24dcd95ab2fde0f7559c3febe4dc45f8477a