Sep 10 09:20:52.123 INFO checking sprs-0.6.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 09:20:52.123 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 09:20:52.123 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:20:52.321 INFO blam! 0420274bd2327831fafd0dbf3fb7117ddcd0ef54b3a0a43cd058cdefa6dbb177
Sep 10 09:20:52.322 INFO running `"docker" "start" "-a" "0420274bd2327831fafd0dbf3fb7117ddcd0ef54b3a0a43cd058cdefa6dbb177"`
Sep 10 09:20:52.973 INFO kablam! usermod: no changes
Sep 10 09:20:53.054 INFO kablam!    Compiling ndarray v0.10.14
Sep 10 09:21:01.928 INFO kablam!     Checking sprs v0.6.2 (file:///source)
Sep 10 09:21:07.517 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 09:21:07.517 INFO kablam!   --> benches/sparse_dense_products.rs:33:9
Sep 10 09:21:07.517 INFO kablam!    |
Sep 10 09:21:07.517 INFO kablam! 33 |         &a * &w;
Sep 10 09:21:07.517 INFO kablam!    |         ^^^^^^^
Sep 10 09:21:07.518 INFO kablam!    |
Sep 10 09:21:07.518 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 09:21:07.518 INFO kablam! 
Sep 10 09:21:08.008 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.01s
Sep 10 09:21:08.012 INFO kablam! su: No module specific data is present
Sep 10 09:21:09.249 INFO running `"docker" "rm" "-f" "0420274bd2327831fafd0dbf3fb7117ddcd0ef54b3a0a43cd058cdefa6dbb177"`
Sep 10 09:21:09.373 INFO blam! 0420274bd2327831fafd0dbf3fb7117ddcd0ef54b3a0a43cd058cdefa6dbb177