Aug 31 12:58:00.246 INFO checking sprs-0.6.2 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 12:58:00.246 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 12:58:00.246 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 12:58:00.441 INFO blam! f476fd317d3769ceba1e4750177a10b7a4d539c9b44ad78297629a59bca1fef9
Aug 31 12:58:00.443 INFO running `"docker" "start" "-a" "f476fd317d3769ceba1e4750177a10b7a4d539c9b44ad78297629a59bca1fef9"`
Aug 31 12:58:01.037 INFO kablam!    Compiling ndarray v0.10.14
Aug 31 12:58:12.060 INFO kablam!     Checking sprs v0.6.2 (file:///source)
Aug 31 12:58:17.422 INFO kablam! warning: unused arithmetic operation which must be used
Aug 31 12:58:17.422 INFO kablam!   --> benches/sparse_dense_products.rs:33:9
Aug 31 12:58:17.422 INFO kablam!    |
Aug 31 12:58:17.422 INFO kablam! 33 |         &a * &w;
Aug 31 12:58:17.422 INFO kablam!    |         ^^^^^^^
Aug 31 12:58:17.422 INFO kablam!    |
Aug 31 12:58:17.423 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 31 12:58:17.423 INFO kablam! 
Aug 31 12:58:18.537 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.55s
Aug 31 12:58:18.542 INFO kablam! su: No module specific data is present
Aug 31 12:58:18.927 INFO running `"docker" "rm" "-f" "f476fd317d3769ceba1e4750177a10b7a4d539c9b44ad78297629a59bca1fef9"`
Aug 31 12:58:19.022 INFO blam! f476fd317d3769ceba1e4750177a10b7a4d539c9b44ad78297629a59bca1fef9