Dec 05 06:15:06.965 INFO checking sprs-0.6.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:15:06.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 06:15:07.157 INFO [stdout] 97c6aa21cb3d46da86e610316524759997a2cfebf10595f5021a4e4dc59c179a
Dec 05 06:15:07.160 INFO running `"docker" "start" "-a" "97c6aa21cb3d46da86e610316524759997a2cfebf10595f5021a4e4dc59c179a"`
Dec 05 06:15:07.671 INFO [stderr] usermod: no changes
Dec 05 06:15:07.739 INFO [stderr]    Compiling ndarray v0.10.14
Dec 05 06:15:07.743 INFO [stderr]     Checking itertools v0.7.11
Dec 05 06:15:07.743 INFO [stderr]     Checking alga v0.5.4
Dec 05 06:15:17.325 INFO [stderr]     Checking sprs v0.6.2 (/source)
Dec 05 06:15:22.746 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 05 06:15:22.746 INFO [stderr]   --> benches/sparse_dense_products.rs:33:9
Dec 05 06:15:22.746 INFO [stderr]    |
Dec 05 06:15:22.746 INFO [stderr] 33 |         &a * &w;
Dec 05 06:15:22.746 INFO [stderr]    |         ^^^^^^^
Dec 05 06:15:22.746 INFO [stderr]    |
Dec 05 06:15:22.746 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 06:15:22.746 INFO [stderr] 
Dec 05 06:15:24.551 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.86s
Dec 05 06:15:24.554 INFO [stderr] su: No module specific data is present
Dec 05 06:15:25.395 INFO running `"docker" "inspect" "97c6aa21cb3d46da86e610316524759997a2cfebf10595f5021a4e4dc59c179a"`
Dec 05 06:15:25.637 INFO running `"docker" "rm" "-f" "97c6aa21cb3d46da86e610316524759997a2cfebf10595f5021a4e4dc59c179a"`
Dec 05 06:15:25.867 INFO [stdout] 97c6aa21cb3d46da86e610316524759997a2cfebf10595f5021a4e4dc59c179a