Aug 31 12:57:59.844 INFO checking sprs-0.6.2 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 12:57:59.844 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 12:57:59.844 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 12:58:00.046 INFO blam! c6dea7b47d485aab404abc29a689622f1488cc75bc2e460d68a237c2f80cb0c9
Aug 31 12:58:00.049 INFO running `"docker" "start" "-a" "c6dea7b47d485aab404abc29a689622f1488cc75bc2e460d68a237c2f80cb0c9"`
Aug 31 12:58:00.694 INFO kablam!     Checking sprs v0.6.2 (file:///source)
Aug 31 12:58:05.919 INFO kablam! warning: unused arithmetic operation which must be used
Aug 31 12:58:05.919 INFO kablam!   --> benches/sparse_dense_products.rs:33:9
Aug 31 12:58:05.919 INFO kablam!    |
Aug 31 12:58:05.919 INFO kablam! 33 |         &a * &w;
Aug 31 12:58:05.919 INFO kablam!    |         ^^^^^^^
Aug 31 12:58:05.919 INFO kablam!    |
Aug 31 12:58:05.919 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 31 12:58:05.919 INFO kablam! 
Aug 31 12:58:07.110 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
Aug 31 12:58:07.117 INFO kablam! su: No module specific data is present
Aug 31 12:58:07.488 INFO running `"docker" "rm" "-f" "c6dea7b47d485aab404abc29a689622f1488cc75bc2e460d68a237c2f80cb0c9"`
Aug 31 12:58:07.589 INFO blam! c6dea7b47d485aab404abc29a689622f1488cc75bc2e460d68a237c2f80cb0c9