Oct 12 11:36:41.570 INFO checking u2/leetcode-rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:36:41.571 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 11:36:42.060 INFO blam! 1fb6c4b65f8413c0a11836eb01663a48be2e77fc5a67cf632a40b6f98a583a88
Oct 12 11:36:42.066 INFO running `"docker" "start" "-a" "1fb6c4b65f8413c0a11836eb01663a48be2e77fc5a67cf632a40b6f98a583a88"`
Oct 12 11:36:43.637 INFO kablam! usermod: no changes
Oct 12 11:36:43.732 INFO kablam!     Checking leetcode v0.1.0 (/source)
Oct 12 11:36:44.396 INFO kablam! warning: unused arithmetic operation which must be used
Oct 12 11:36:44.396 INFO kablam!   --> src/find_median_sorted_arrays.rs:42:13
Oct 12 11:36:44.396 INFO kablam!    |
Oct 12 11:36:44.396 INFO kablam! 42 |             j - 1;
Oct 12 11:36:44.396 INFO kablam!    |             ^^^^^
Oct 12 11:36:44.396 INFO kablam!    |
Oct 12 11:36:44.396 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 11:36:44.396 INFO kablam! 
Oct 12 11:36:44.988 INFO kablam! warning: unused arithmetic operation which must be used
Oct 12 11:36:44.989 INFO kablam!   --> src/find_median_sorted_arrays.rs:42:13
Oct 12 11:36:44.989 INFO kablam!    |
Oct 12 11:36:44.990 INFO kablam! 42 |             j - 1;
Oct 12 11:36:44.990 INFO kablam!    |             ^^^^^
Oct 12 11:36:44.990 INFO kablam!    |
Oct 12 11:36:44.990 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 11:36:44.990 INFO kablam! 
Oct 12 11:36:45.038 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Oct 12 11:36:45.042 INFO kablam! su: No module specific data is present
Oct 12 11:36:46.364 INFO running `"docker" "rm" "-f" "1fb6c4b65f8413c0a11836eb01663a48be2e77fc5a67cf632a40b6f98a583a88"`
Oct 12 11:36:46.619 INFO blam! 1fb6c4b65f8413c0a11836eb01663a48be2e77fc5a67cf632a40b6f98a583a88