Sep 20 05:05:57.785 INFO checking alumina-0.3.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 05:05:57.785 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 05:05:57.785 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-2/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 05:05:58.069 INFO blam! 7439c58d0fd99d1a22763fb29b403dc19b7e8fc941244eeb58e1f1684a16f0a2
Sep 20 05:05:58.073 INFO running `"docker" "start" "-a" "7439c58d0fd99d1a22763fb29b403dc19b7e8fc941244eeb58e1f1684a16f0a2"`
Sep 20 05:05:59.226 INFO kablam! usermod: no changes
Sep 20 05:05:59.604 INFO kablam!    Compiling matrixmultiply_mt v0.1.6
Sep 20 05:05:59.607 INFO kablam!     Checking unchecked-index v0.2.2
Sep 20 05:05:59.616 INFO kablam!     Checking rawslice v0.1.0
Sep 20 05:05:59.617 INFO kablam!     Checking typenum_loops v0.3.0
Sep 20 05:06:00.281 INFO kablam!     Checking odds v0.3.1
Sep 20 05:06:03.813 INFO kablam!     Checking alumina v0.3.0 (/source)
Sep 20 05:06:26.255 INFO kablam! warning: value assigned to `params` is never read
Sep 20 05:06:26.255 INFO kablam!   --> examples/mnist.rs:76:2
Sep 20 05:06:26.255 INFO kablam!    |
Sep 20 05:06:26.255 INFO kablam! 76 |     params = solver.optimise_from(&mut data_stream, params).unwrap();
Sep 20 05:06:26.255 INFO kablam!    |     ^^^^^^
Sep 20 05:06:26.255 INFO kablam!    |
Sep 20 05:06:26.255 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 20 05:06:26.255 INFO kablam! 
Sep 20 05:06:26.255 INFO kablam! warning: variable does not need to be mutable
Sep 20 05:06:26.255 INFO kablam!   --> examples/mnist.rs:64:6
Sep 20 05:06:26.256 INFO kablam!    |
Sep 20 05:06:26.256 INFO kablam! 64 |     let mut avg_err1 = Arc::new(Cell::new(2.3));
Sep 20 05:06:26.256 INFO kablam!    |         ----^^^^^^^^
Sep 20 05:06:26.256 INFO kablam!    |         |
Sep 20 05:06:26.256 INFO kablam!    |         help: remove this `mut`
Sep 20 05:06:26.256 INFO kablam!    |
Sep 20 05:06:26.256 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 05:06:26.256 INFO kablam! 
Sep 20 05:06:26.256 INFO kablam! warning: variable does not need to be mutable
Sep 20 05:06:26.256 INFO kablam!   --> examples/mnist.rs:65:6
Sep 20 05:06:26.256 INFO kablam!    |
Sep 20 05:06:26.256 INFO kablam! 65 |     let mut avg_err2 = avg_err1.clone();
Sep 20 05:06:26.256 INFO kablam!    |         ----^^^^^^^^
Sep 20 05:06:26.256 INFO kablam!    |         |
Sep 20 05:06:26.256 INFO kablam!    |         help: remove this `mut`
Sep 20 05:06:26.256 INFO kablam! 
Sep 20 05:06:26.425 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 27.16s
Sep 20 05:06:26.454 INFO kablam! su: No module specific data is present
Sep 20 05:06:27.561 INFO running `"docker" "rm" "-f" "7439c58d0fd99d1a22763fb29b403dc19b7e8fc941244eeb58e1f1684a16f0a2"`
Sep 20 05:06:27.839 INFO blam! 7439c58d0fd99d1a22763fb29b403dc19b7e8fc941244eeb58e1f1684a16f0a2