Sep 02 03:32:07.699 INFO checking alumina-0.3.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 02 03:32:07.699 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 02 03:32:07.699 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 03:32:07.883 INFO blam! a5423fe0a8734c389593f0034b7d783eaf3675d444e601e3eed821c09a27a641
Sep 02 03:32:07.885 INFO running `"docker" "start" "-a" "a5423fe0a8734c389593f0034b7d783eaf3675d444e601e3eed821c09a27a641"`
Sep 02 03:32:08.812 INFO kablam!    Compiling matrixmultiply_mt v0.1.6
Sep 02 03:32:08.815 INFO kablam!     Checking odds v0.3.1
Sep 02 03:32:08.816 INFO kablam!     Checking typenum_loops v0.3.0
Sep 02 03:32:14.041 INFO kablam!     Checking alumina v0.3.0 (file:///source)
Sep 02 03:32:41.650 INFO kablam! warning: value assigned to `params` is never read
Sep 02 03:32:41.650 INFO kablam!   --> examples/mnist.rs:76:2
Sep 02 03:32:41.650 INFO kablam!    |
Sep 02 03:32:41.650 INFO kablam! 76 |     params = solver.optimise_from(&mut data_stream, params).unwrap();
Sep 02 03:32:41.650 INFO kablam!    |     ^^^^^^
Sep 02 03:32:41.651 INFO kablam!    |
Sep 02 03:32:41.651 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 02 03:32:41.651 INFO kablam! 
Sep 02 03:32:41.668 INFO kablam! warning: variable does not need to be mutable
Sep 02 03:32:41.668 INFO kablam!   --> examples/mnist.rs:64:6
Sep 02 03:32:41.668 INFO kablam!    |
Sep 02 03:32:41.668 INFO kablam! 64 |     let mut avg_err1 = Arc::new(Cell::new(2.3));
Sep 02 03:32:41.668 INFO kablam!    |         ----^^^^^^^^
Sep 02 03:32:41.668 INFO kablam!    |         |
Sep 02 03:32:41.668 INFO kablam!    |         help: remove this `mut`
Sep 02 03:32:41.668 INFO kablam!    |
Sep 02 03:32:41.668 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 03:32:41.668 INFO kablam! 
Sep 02 03:32:41.669 INFO kablam! warning: variable does not need to be mutable
Sep 02 03:32:41.669 INFO kablam!   --> examples/mnist.rs:65:6
Sep 02 03:32:41.669 INFO kablam!    |
Sep 02 03:32:41.669 INFO kablam! 65 |     let mut avg_err2 = avg_err1.clone();
Sep 02 03:32:41.669 INFO kablam!    |         ----^^^^^^^^
Sep 02 03:32:41.669 INFO kablam!    |         |
Sep 02 03:32:41.669 INFO kablam!    |         help: remove this `mut`
Sep 02 03:32:41.669 INFO kablam! 
Sep 02 03:32:41.983 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 33.41s
Sep 02 03:32:42.002 INFO kablam! su: No module specific data is present
Sep 02 03:32:42.522 INFO running `"docker" "rm" "-f" "a5423fe0a8734c389593f0034b7d783eaf3675d444e601e3eed821c09a27a641"`
Sep 02 03:32:42.618 INFO blam! a5423fe0a8734c389593f0034b7d783eaf3675d444e601e3eed821c09a27a641