Dec 18 10:54:01.730 INFO checking sprs-0.6.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:54:01.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/sprs/0.6.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:54:01.938 INFO [stdout] 6331161ef365b56eebf11f9ff42a2194d0ad2437cc71b284ec25303ae6dc497d
Dec 18 10:54:01.939 INFO running `"docker" "start" "-a" "6331161ef365b56eebf11f9ff42a2194d0ad2437cc71b284ec25303ae6dc497d"`
Dec 18 10:54:02.648 INFO [stderr]    Compiling ndarray v0.10.14
Dec 18 10:54:02.668 INFO [stderr]     Checking itertools v0.7.11
Dec 18 10:54:02.668 INFO [stderr]     Checking alga v0.5.4
Dec 18 10:54:11.421 INFO [stderr]     Checking sprs v0.6.2 (/opt/crater/workdir)
Dec 18 10:54:15.484 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 10:54:15.484 INFO [stderr]   --> benches/sparse_dense_products.rs:33:9
Dec 18 10:54:15.484 INFO [stderr]    |
Dec 18 10:54:15.484 INFO [stderr] 33 |         &a * &w;
Dec 18 10:54:15.484 INFO [stderr]    |         ^^^^^^^
Dec 18 10:54:15.484 INFO [stderr]    |
Dec 18 10:54:15.484 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 10:54:15.484 INFO [stderr] 
Dec 18 10:54:16.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.02s
Dec 18 10:54:17.152 INFO running `"docker" "inspect" "6331161ef365b56eebf11f9ff42a2194d0ad2437cc71b284ec25303ae6dc497d"`
Dec 18 10:54:17.316 INFO running `"docker" "rm" "-f" "6331161ef365b56eebf11f9ff42a2194d0ad2437cc71b284ec25303ae6dc497d"`
Dec 18 10:54:17.578 INFO [stdout] 6331161ef365b56eebf11f9ff42a2194d0ad2437cc71b284ec25303ae6dc497d