Sep 01 10:56:11.080 INFO checking alumina-0.3.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 10:56:11.080 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 10:56:11.080 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 10:56:11.306 INFO blam! b368baae4cbadb4cd15499b8dfae79fc38e362d04a9d16337f728759f8d4ef8f
Sep 01 10:56:11.308 INFO running `"docker" "start" "-a" "b368baae4cbadb4cd15499b8dfae79fc38e362d04a9d16337f728759f8d4ef8f"`
Sep 01 10:56:12.215 INFO kablam!    Compiling matrixmultiply_mt v0.1.6
Sep 01 10:56:12.215 INFO kablam!     Checking unchecked-index v0.2.2
Sep 01 10:56:12.220 INFO kablam!     Checking rawslice v0.1.0
Sep 01 10:56:12.226 INFO kablam!     Checking image v0.19.0
Sep 01 10:56:12.622 INFO kablam!     Checking odds v0.3.1
Sep 01 10:56:22.996 INFO kablam!     Checking alumina v0.3.0 (file:///source)
Sep 01 10:56:48.683 INFO kablam! warning: value assigned to `params` is never read
Sep 01 10:56:48.683 INFO kablam!   --> examples/mnist.rs:76:2
Sep 01 10:56:48.683 INFO kablam!    |
Sep 01 10:56:48.683 INFO kablam! 76 |     params = solver.optimise_from(&mut data_stream, params).unwrap();
Sep 01 10:56:48.683 INFO kablam!    |     ^^^^^^
Sep 01 10:56:48.683 INFO kablam!    |
Sep 01 10:56:48.683 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 01 10:56:48.683 INFO kablam! 
Sep 01 10:56:48.706 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:56:48.706 INFO kablam!   --> examples/mnist.rs:64:6
Sep 01 10:56:48.706 INFO kablam!    |
Sep 01 10:56:48.706 INFO kablam! 64 |     let mut avg_err1 = Arc::new(Cell::new(2.3));
Sep 01 10:56:48.706 INFO kablam!    |         ----^^^^^^^^
Sep 01 10:56:48.706 INFO kablam!    |         |
Sep 01 10:56:48.706 INFO kablam!    |         help: remove this `mut`
Sep 01 10:56:48.706 INFO kablam!    |
Sep 01 10:56:48.706 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 10:56:48.706 INFO kablam! 
Sep 01 10:56:48.707 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:56:48.707 INFO kablam!   --> examples/mnist.rs:65:6
Sep 01 10:56:48.707 INFO kablam!    |
Sep 01 10:56:48.707 INFO kablam! 65 |     let mut avg_err2 = avg_err1.clone();
Sep 01 10:56:48.707 INFO kablam!    |         ----^^^^^^^^
Sep 01 10:56:48.707 INFO kablam!    |         |
Sep 01 10:56:48.707 INFO kablam!    |         help: remove this `mut`
Sep 01 10:56:48.707 INFO kablam! 
Sep 01 10:56:48.845 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 36.88s
Sep 01 10:56:48.874 INFO kablam! su: No module specific data is present
Sep 01 10:56:49.341 INFO running `"docker" "rm" "-f" "b368baae4cbadb4cd15499b8dfae79fc38e362d04a9d16337f728759f8d4ef8f"`
Sep 01 10:56:49.525 INFO blam! b368baae4cbadb4cd15499b8dfae79fc38e362d04a9d16337f728759f8d4ef8f