Dec 19 06:30:27.541 INFO checking u2/leetcode-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:30:27.541 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/u2/leetcode-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:30:28.112 INFO [stdout] 5c5a7e86186f864e3e7a9092935abcabcdd9d1f78505162eacf89de69956210e
Dec 19 06:30:28.112 INFO running `"docker" "start" "-a" "5c5a7e86186f864e3e7a9092935abcabcdd9d1f78505162eacf89de69956210e"`
Dec 19 06:30:29.865 INFO [stderr]     Checking leetcode v0.1.0 (/opt/crater/workdir)
Dec 19 06:30:30.382 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 06:30:30.382 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 19 06:30:30.382 INFO [stderr]    |
Dec 19 06:30:30.382 INFO [stderr] 42 |             j - 1;
Dec 19 06:30:30.382 INFO [stderr]    |             ^^^^^
Dec 19 06:30:30.382 INFO [stderr]    |
Dec 19 06:30:30.382 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:30:30.382 INFO [stderr] 
Dec 19 06:30:30.748 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 06:30:30.748 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 19 06:30:30.749 INFO [stderr]    |
Dec 19 06:30:30.749 INFO [stderr] 42 |             j - 1;
Dec 19 06:30:30.749 INFO [stderr]    |             ^^^^^
Dec 19 06:30:30.749 INFO [stderr]    |
Dec 19 06:30:30.749 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:30:30.749 INFO [stderr] 
Dec 19 06:30:30.800 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 19 06:30:31.564 INFO running `"docker" "inspect" "5c5a7e86186f864e3e7a9092935abcabcdd9d1f78505162eacf89de69956210e"`
Dec 19 06:30:31.838 INFO running `"docker" "rm" "-f" "5c5a7e86186f864e3e7a9092935abcabcdd9d1f78505162eacf89de69956210e"`
Dec 19 06:30:32.072 INFO [stdout] 5c5a7e86186f864e3e7a9092935abcabcdd9d1f78505162eacf89de69956210e