Sep 10 22:54:22.320 INFO checking alumina-0.3.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 22:54:22.320 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 22:54:22.320 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:54:22.531 INFO blam! a71797018c19c09052b0e579fd34e6e4df46ca1632cf751d6b7df360655f08bc
Sep 10 22:54:22.533 INFO running `"docker" "start" "-a" "a71797018c19c09052b0e579fd34e6e4df46ca1632cf751d6b7df360655f08bc"`
Sep 10 22:54:23.248 INFO kablam! usermod: no changes
Sep 10 22:54:23.472 INFO kablam!    Compiling matrixmultiply_mt v0.1.6
Sep 10 22:54:23.473 INFO kablam!     Checking unchecked-index v0.2.2
Sep 10 22:54:23.475 INFO kablam!     Checking rawslice v0.1.0
Sep 10 22:54:23.477 INFO kablam!     Checking typenum_loops v0.3.0
Sep 10 22:54:23.794 INFO kablam!     Checking odds v0.3.1
Sep 10 22:54:26.326 INFO kablam!     Checking alumina v0.3.0 (file:///source)
Sep 10 22:54:47.379 INFO kablam! warning: value assigned to `params` is never read
Sep 10 22:54:47.379 INFO kablam!   --> examples/mnist.rs:76:2
Sep 10 22:54:47.379 INFO kablam!    |
Sep 10 22:54:47.379 INFO kablam! 76 |     params = solver.optimise_from(&mut data_stream, params).unwrap();
Sep 10 22:54:47.379 INFO kablam!    |     ^^^^^^
Sep 10 22:54:47.379 INFO kablam!    |
Sep 10 22:54:47.379 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 10 22:54:47.379 INFO kablam! 
Sep 10 22:54:47.389 INFO kablam! warning: variable does not need to be mutable
Sep 10 22:54:47.389 INFO kablam!   --> examples/mnist.rs:64:6
Sep 10 22:54:47.389 INFO kablam!    |
Sep 10 22:54:47.389 INFO kablam! 64 |     let mut avg_err1 = Arc::new(Cell::new(2.3));
Sep 10 22:54:47.389 INFO kablam!    |         ----^^^^^^^^
Sep 10 22:54:47.389 INFO kablam!    |         |
Sep 10 22:54:47.389 INFO kablam!    |         help: remove this `mut`
Sep 10 22:54:47.398 INFO kablam!    |
Sep 10 22:54:47.398 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 22:54:47.398 INFO kablam! 
Sep 10 22:54:47.398 INFO kablam! warning: variable does not need to be mutable
Sep 10 22:54:47.398 INFO kablam!   --> examples/mnist.rs:65:6
Sep 10 22:54:47.398 INFO kablam!    |
Sep 10 22:54:47.398 INFO kablam! 65 |     let mut avg_err2 = avg_err1.clone();
Sep 10 22:54:47.398 INFO kablam!    |         ----^^^^^^^^
Sep 10 22:54:47.398 INFO kablam!    |         |
Sep 10 22:54:47.398 INFO kablam!    |         help: remove this `mut`
Sep 10 22:54:47.399 INFO kablam! 
Sep 10 22:54:47.527 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.26s
Sep 10 22:54:47.558 INFO kablam! su: No module specific data is present
Sep 10 22:54:48.701 INFO running `"docker" "rm" "-f" "a71797018c19c09052b0e579fd34e6e4df46ca1632cf751d6b7df360655f08bc"`
Sep 10 22:54:48.830 INFO blam! a71797018c19c09052b0e579fd34e6e4df46ca1632cf751d6b7df360655f08bc