Aug 01 21:35:26.037 INFO checking sprs-0.6.2 against 1.27.2+tmplazy for lazy_static-1
Aug 01 21:35:26.037 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:35:26.037 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:35:26.037 INFO running `"docker" "create" "-v" "/tmp/crater.mnNhJF6YwjKp:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 21:35:26.294 INFO blam! 3de785085524f5da71fdb534b3d552458cc41ba81d2584d5b0f6dc603eb27a0b
Aug 01 21:35:26.297 INFO running `"docker" "start" "-a" "3de785085524f5da71fdb534b3d552458cc41ba81d2584d5b0f6dc603eb27a0b"`
Aug 01 21:35:27.569 INFO kablam!    Compiling ndarray v0.10.14
Aug 01 21:35:27.569 INFO kablam!     Checking itertools v0.7.8
Aug 01 21:35:27.571 INFO kablam!     Checking alga v0.5.4
Aug 01 21:35:49.738 INFO kablam!     Checking sprs v0.6.2 (file:///source)
Aug 01 21:35:57.866 INFO kablam! warning: unused arithmetic operation which must be used
Aug 01 21:35:57.866 INFO kablam!   --> benches/sparse_dense_products.rs:33:9
Aug 01 21:35:57.866 INFO kablam!    |
Aug 01 21:35:57.866 INFO kablam! 33 |         &a * &w;
Aug 01 21:35:57.866 INFO kablam!    |         ^^^^^^^
Aug 01 21:35:57.866 INFO kablam!    |
Aug 01 21:35:57.866 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 01 21:35:57.866 INFO kablam! 
Aug 01 21:36:00.438 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 32.98s
Aug 01 21:36:00.444 INFO kablam! su: No module specific data is present
Aug 01 21:36:01.485 INFO running `"docker" "rm" "-f" "3de785085524f5da71fdb534b3d552458cc41ba81d2584d5b0f6dc603eb27a0b"`
Aug 01 21:36:01.644 INFO blam! 3de785085524f5da71fdb534b3d552458cc41ba81d2584d5b0f6dc603eb27a0b