Nov 04 17:11:33.500 INFO checking sprs-0.6.2 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 17:11:33.500 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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"`
Nov 04 17:11:33.821 INFO blam! 54cabce42e2e2158993cb066248d6f157b1e3533fceacca670374059d64442ce
Nov 04 17:11:33.821 INFO running `"docker" "start" "-a" "54cabce42e2e2158993cb066248d6f157b1e3533fceacca670374059d64442ce"`
Nov 04 17:11:34.711 INFO kablam! usermod: no changes
Nov 04 17:11:34.827 INFO kablam!     Checking ndarray v0.10.14
Nov 04 17:11:43.556 INFO kablam!     Checking sprs v0.6.2 (/source)
Nov 04 17:11:50.271 INFO kablam! warning: unused arithmetic operation that must be used
Nov 04 17:11:50.271 INFO kablam!   --> benches/sparse_dense_products.rs:33:9
Nov 04 17:11:50.271 INFO kablam!    |
Nov 04 17:11:50.271 INFO kablam! 33 |         &a * &w;
Nov 04 17:11:50.271 INFO kablam!    |         ^^^^^^^
Nov 04 17:11:50.271 INFO kablam!    |
Nov 04 17:11:50.271 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 17:11:50.271 INFO kablam! 
Nov 04 17:11:51.258 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.53s
Nov 04 17:11:51.270 INFO kablam! su: No module specific data is present
Nov 04 17:11:51.755 INFO running `"docker" "rm" "-f" "54cabce42e2e2158993cb066248d6f157b1e3533fceacca670374059d64442ce"`
Nov 04 17:11:51.865 INFO blam! 54cabce42e2e2158993cb066248d6f157b1e3533fceacca670374059d64442ce