Sep 01 05:48:52.659 INFO checking sprs-0.6.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 05:48:52.659 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 05:48:52.660 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 05:48:52.866 INFO blam! 343a94f33a715bde7adab9a0e4e3e9e744271b7fa5a549561d6cb402379b4d8f
Sep 01 05:48:52.868 INFO running `"docker" "start" "-a" "343a94f33a715bde7adab9a0e4e3e9e744271b7fa5a549561d6cb402379b4d8f"`
Sep 01 05:48:53.528 INFO kablam!     Checking sprs v0.6.2 (file:///source)
Sep 01 05:48:59.901 INFO kablam! warning: unused arithmetic operation which must be used
Sep 01 05:48:59.901 INFO kablam!   --> benches/sparse_dense_products.rs:33:9
Sep 01 05:48:59.901 INFO kablam!    |
Sep 01 05:48:59.901 INFO kablam! 33 |         &a * &w;
Sep 01 05:48:59.901 INFO kablam!    |         ^^^^^^^
Sep 01 05:48:59.901 INFO kablam!    |
Sep 01 05:48:59.901 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 05:48:59.901 INFO kablam! 
Sep 01 05:49:01.365 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
Sep 01 05:49:01.370 INFO kablam! su: No module specific data is present
Sep 01 05:49:01.983 INFO running `"docker" "rm" "-f" "343a94f33a715bde7adab9a0e4e3e9e744271b7fa5a549561d6cb402379b4d8f"`
Sep 01 05:49:02.091 INFO blam! 343a94f33a715bde7adab9a0e4e3e9e744271b7fa5a549561d6cb402379b4d8f