Sep 01 05:48:53.105 INFO checking sprs-0.6.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 05:48:53.105 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 05:48:53.105 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 05:48:53.278 INFO blam! 532a1fdfbab25c4842ac9e92d688f3cce8922c01da19985c20b1ea1d94336ffd
Sep 01 05:48:53.280 INFO running `"docker" "start" "-a" "532a1fdfbab25c4842ac9e92d688f3cce8922c01da19985c20b1ea1d94336ffd"`
Sep 01 05:48:53.873 INFO kablam!     Checking sprs v0.6.2 (file:///source)
Sep 01 05:48:59.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 01 05:48:59.971 INFO kablam!   --> benches/sparse_dense_products.rs:33:9
Sep 01 05:48:59.971 INFO kablam!    |
Sep 01 05:48:59.971 INFO kablam! 33 |         &a * &w;
Sep 01 05:48:59.971 INFO kablam!    |         ^^^^^^^
Sep 01 05:48:59.971 INFO kablam!    |
Sep 01 05:48:59.971 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 05:48:59.971 INFO kablam! 
Sep 01 05:49:01.389 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
Sep 01 05:49:01.394 INFO kablam! su: No module specific data is present
Sep 01 05:49:02.115 INFO running `"docker" "rm" "-f" "532a1fdfbab25c4842ac9e92d688f3cce8922c01da19985c20b1ea1d94336ffd"`
Sep 01 05:49:02.215 INFO blam! 532a1fdfbab25c4842ac9e92d688f3cce8922c01da19985c20b1ea1d94336ffd