Dec 19 06:30:28.313 INFO checking u2/leetcode-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:30:28.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:30:28.923 INFO [stdout] 91b6d2cae8ce0d3af1a02875f45c4bd7a54857d3d616c08650d818e9a335ddbe
Dec 19 06:30:28.924 INFO running `"docker" "start" "-a" "91b6d2cae8ce0d3af1a02875f45c4bd7a54857d3d616c08650d818e9a335ddbe"`
Dec 19 06:30:30.383 INFO [stderr]     Checking regex-syntax v0.4.0
Dec 19 06:30:30.384 INFO [stderr]     Checking memchr v1.0.1
Dec 19 06:30:30.384 INFO [stderr]     Checking thread-id v3.0.0
Dec 19 06:30:30.900 INFO [stderr]     Checking thread_local v0.3.2
Dec 19 06:30:31.136 INFO [stderr]     Checking aho-corasick v0.6.1
Dec 19 06:30:32.914 INFO [stderr]     Checking regex v0.2.1
Dec 19 06:30:34.835 INFO [stderr]     Checking leetcode v0.1.0 (/opt/crater/workdir)
Dec 19 06:30:35.083 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 06:30:35.083 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 19 06:30:35.083 INFO [stderr]    |
Dec 19 06:30:35.083 INFO [stderr] 42 |             j - 1;
Dec 19 06:30:35.084 INFO [stderr]    |             ^^^^^
Dec 19 06:30:35.084 INFO [stderr]    |
Dec 19 06:30:35.084 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:30:35.084 INFO [stderr] 
Dec 19 06:30:35.736 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 06:30:35.736 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 19 06:30:35.736 INFO [stderr]    |
Dec 19 06:30:35.736 INFO [stderr] 42 |             j - 1;
Dec 19 06:30:35.736 INFO [stderr]    |             ^^^^^
Dec 19 06:30:35.736 INFO [stderr]    |
Dec 19 06:30:35.736 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:30:35.736 INFO [stderr] 
Dec 19 06:30:35.770 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
Dec 19 06:30:36.336 INFO running `"docker" "inspect" "91b6d2cae8ce0d3af1a02875f45c4bd7a54857d3d616c08650d818e9a335ddbe"`
Dec 19 06:30:36.530 INFO running `"docker" "rm" "-f" "91b6d2cae8ce0d3af1a02875f45c4bd7a54857d3d616c08650d818e9a335ddbe"`
Dec 19 06:30:36.924 INFO [stdout] 91b6d2cae8ce0d3af1a02875f45c4bd7a54857d3d616c08650d818e9a335ddbe