Oct 31 19:00:31.950 INFO checking u2/leetcode-rust against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 19:00:31.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 19:00:32.374 INFO blam! a55eb587a56c0a559afecec51a1d2eaaa0a5734cf7b129f2c76d6a570ae9aec7
Oct 31 19:00:32.376 INFO running `"docker" "start" "-a" "a55eb587a56c0a559afecec51a1d2eaaa0a5734cf7b129f2c76d6a570ae9aec7"`
Oct 31 19:00:33.891 INFO kablam! usermod: no changes
Oct 31 19:00:34.017 INFO kablam!     Checking thread-id v3.0.0
Oct 31 19:00:34.017 INFO kablam!     Checking memchr v1.0.1
Oct 31 19:00:34.372 INFO kablam!     Checking thread_local v0.3.2
Oct 31 19:00:34.458 INFO kablam!     Checking aho-corasick v0.6.1
Oct 31 19:00:35.469 INFO kablam!     Checking regex v0.2.1
Oct 31 19:00:37.896 INFO kablam!     Checking leetcode v0.1.0 (/source)
Oct 31 19:00:38.308 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:00:38.308 INFO kablam!   --> src/find_median_sorted_arrays.rs:42:13
Oct 31 19:00:38.308 INFO kablam!    |
Oct 31 19:00:38.308 INFO kablam! 42 |             j - 1;
Oct 31 19:00:38.308 INFO kablam!    |             ^^^^^
Oct 31 19:00:38.308 INFO kablam!    |
Oct 31 19:00:38.308 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 19:00:38.308 INFO kablam! 
Oct 31 19:00:39.036 INFO kablam! warning: unused arithmetic operation that must be used
Oct 31 19:00:39.036 INFO kablam!   --> src/find_median_sorted_arrays.rs:42:13
Oct 31 19:00:39.036 INFO kablam!    |
Oct 31 19:00:39.036 INFO kablam! 42 |             j - 1;
Oct 31 19:00:39.036 INFO kablam!    |             ^^^^^
Oct 31 19:00:39.036 INFO kablam!    |
Oct 31 19:00:39.036 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 19:00:39.036 INFO kablam! 
Oct 31 19:00:39.065 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.15s
Oct 31 19:00:39.073 INFO kablam! su: No module specific data is present
Oct 31 19:00:39.701 INFO running `"docker" "rm" "-f" "a55eb587a56c0a559afecec51a1d2eaaa0a5734cf7b129f2c76d6a570ae9aec7"`
Oct 31 19:00:40.076 INFO blam! a55eb587a56c0a559afecec51a1d2eaaa0a5734cf7b129f2c76d6a570ae9aec7