Sep 21 13:35:16.515 INFO checking alumina-0.3.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 13:35:16.515 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 13:35:16.515 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 13:35:16.696 INFO blam! 4ecf2f784a8bb002e32a8c1b37752fd51e431fdf39048a5763f23d79f93ef530
Sep 21 13:35:16.699 INFO running `"docker" "start" "-a" "4ecf2f784a8bb002e32a8c1b37752fd51e431fdf39048a5763f23d79f93ef530"`
Sep 21 13:35:17.656 INFO kablam! usermod: no changes
Sep 21 13:35:17.884 INFO kablam!    Compiling matrixmultiply_mt v0.1.6
Sep 21 13:35:17.884 INFO kablam!     Checking unchecked-index v0.2.2
Sep 21 13:35:17.884 INFO kablam!     Checking rawslice v0.1.0
Sep 21 13:35:17.885 INFO kablam!     Checking typenum_loops v0.3.0
Sep 21 13:35:17.886 INFO kablam!     Checking image v0.19.0
Sep 21 13:35:18.550 INFO kablam!     Checking odds v0.3.1
Sep 21 13:35:25.090 INFO kablam!     Checking alumina v0.3.0 (/source)
Sep 21 13:35:45.838 INFO kablam! warning: value assigned to `params` is never read
Sep 21 13:35:45.838 INFO kablam!   --> examples/mnist.rs:76:2
Sep 21 13:35:45.838 INFO kablam!    |
Sep 21 13:35:45.838 INFO kablam! 76 |     params = solver.optimise_from(&mut data_stream, params).unwrap();
Sep 21 13:35:45.838 INFO kablam!    |     ^^^^^^
Sep 21 13:35:45.838 INFO kablam!    |
Sep 21 13:35:45.838 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 21 13:35:45.838 INFO kablam! 
Sep 21 13:35:45.850 INFO kablam! warning: variable does not need to be mutable
Sep 21 13:35:45.850 INFO kablam!   --> examples/mnist.rs:64:6
Sep 21 13:35:45.850 INFO kablam!    |
Sep 21 13:35:45.850 INFO kablam! 64 |     let mut avg_err1 = Arc::new(Cell::new(2.3));
Sep 21 13:35:45.850 INFO kablam!    |         ----^^^^^^^^
Sep 21 13:35:45.850 INFO kablam!    |         |
Sep 21 13:35:45.850 INFO kablam!    |         help: remove this `mut`
Sep 21 13:35:45.850 INFO kablam!    |
Sep 21 13:35:45.850 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 13:35:45.850 INFO kablam! 
Sep 21 13:35:45.850 INFO kablam! warning: variable does not need to be mutable
Sep 21 13:35:45.850 INFO kablam!   --> examples/mnist.rs:65:6
Sep 21 13:35:45.850 INFO kablam!    |
Sep 21 13:35:45.850 INFO kablam! 65 |     let mut avg_err2 = avg_err1.clone();
Sep 21 13:35:45.850 INFO kablam!    |         ----^^^^^^^^
Sep 21 13:35:45.850 INFO kablam!    |         |
Sep 21 13:35:45.850 INFO kablam!    |         help: remove this `mut`
Sep 21 13:35:45.850 INFO kablam! 
Sep 21 13:35:45.935 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 28.25s
Sep 21 13:35:45.958 INFO kablam! su: No module specific data is present
Sep 21 13:35:46.661 INFO running `"docker" "rm" "-f" "4ecf2f784a8bb002e32a8c1b37752fd51e431fdf39048a5763f23d79f93ef530"`
Sep 21 13:35:46.793 INFO blam! 4ecf2f784a8bb002e32a8c1b37752fd51e431fdf39048a5763f23d79f93ef530