Sep 18 03:53:16.074 INFO checking alumina-0.3.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 03:53:16.074 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 03:53:16.074 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 03:53:16.460 INFO blam! 4456a1017c437971ad91c003d23d1bfafa71f9a35bbcbcda952ffd7145be96de
Sep 18 03:53:16.462 INFO running `"docker" "start" "-a" "4456a1017c437971ad91c003d23d1bfafa71f9a35bbcbcda952ffd7145be96de"`
Sep 18 03:53:17.355 INFO kablam! usermod: no changes
Sep 18 03:53:17.600 INFO kablam!    Compiling matrixmultiply_mt v0.1.6
Sep 18 03:53:17.611 INFO kablam!     Checking unchecked-index v0.2.2
Sep 18 03:53:17.612 INFO kablam!     Checking rawslice v0.1.0
Sep 18 03:53:17.614 INFO kablam!     Checking image v0.19.0
Sep 18 03:53:18.281 INFO kablam!     Checking odds v0.3.1
Sep 18 03:53:26.213 INFO kablam!     Checking alumina v0.3.0 (/source)
Sep 18 03:53:41.245 INFO kablam! warning: value assigned to `params` is never read
Sep 18 03:53:41.245 INFO kablam!   --> examples/mnist.rs:76:2
Sep 18 03:53:41.245 INFO kablam!    |
Sep 18 03:53:41.245 INFO kablam! 76 |     params = solver.optimise_from(&mut data_stream, params).unwrap();
Sep 18 03:53:41.245 INFO kablam!    |     ^^^^^^
Sep 18 03:53:41.245 INFO kablam!    |
Sep 18 03:53:41.245 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 18 03:53:41.245 INFO kablam! 
Sep 18 03:53:41.267 INFO kablam! warning: variable does not need to be mutable
Sep 18 03:53:41.267 INFO kablam!   --> examples/mnist.rs:64:6
Sep 18 03:53:41.267 INFO kablam!    |
Sep 18 03:53:41.267 INFO kablam! 64 |     let mut avg_err1 = Arc::new(Cell::new(2.3));
Sep 18 03:53:41.267 INFO kablam!    |         ----^^^^^^^^
Sep 18 03:53:41.267 INFO kablam!    |         |
Sep 18 03:53:41.267 INFO kablam!    |         help: remove this `mut`
Sep 18 03:53:41.267 INFO kablam!    |
Sep 18 03:53:41.267 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 18 03:53:41.267 INFO kablam! 
Sep 18 03:53:41.268 INFO kablam! warning: variable does not need to be mutable
Sep 18 03:53:41.268 INFO kablam!   --> examples/mnist.rs:65:6
Sep 18 03:53:41.268 INFO kablam!    |
Sep 18 03:53:41.268 INFO kablam! 65 |     let mut avg_err2 = avg_err1.clone();
Sep 18 03:53:41.268 INFO kablam!    |         ----^^^^^^^^
Sep 18 03:53:41.268 INFO kablam!    |         |
Sep 18 03:53:41.268 INFO kablam!    |         help: remove this `mut`
Sep 18 03:53:41.268 INFO kablam! 
Sep 18 03:53:41.302 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 23.92s
Sep 18 03:53:41.321 INFO kablam! su: No module specific data is present
Sep 18 03:53:41.867 INFO running `"docker" "rm" "-f" "4456a1017c437971ad91c003d23d1bfafa71f9a35bbcbcda952ffd7145be96de"`
Sep 18 03:53:41.988 INFO blam! 4456a1017c437971ad91c003d23d1bfafa71f9a35bbcbcda952ffd7145be96de