Sep 05 00:26:07.675 INFO checking alumina-0.3.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 05 00:26:07.675 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 05 00:26:07.675 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 00:26:07.901 INFO blam! 5616fd0599822c5bd92dd527bdf280ad9aa1d41d689c36b35aa5b2853b062817
Sep 05 00:26:07.904 INFO running `"docker" "start" "-a" "5616fd0599822c5bd92dd527bdf280ad9aa1d41d689c36b35aa5b2853b062817"`
Sep 05 00:26:08.878 INFO kablam!    Compiling matrixmultiply_mt v0.1.6
Sep 05 00:26:08.881 INFO kablam!     Checking odds v0.3.1
Sep 05 00:26:13.059 INFO kablam!     Checking alumina v0.3.0 (file:///source)
Sep 05 00:26:39.084 INFO kablam! warning: value assigned to `params` is never read
Sep 05 00:26:39.084 INFO kablam!   --> examples/mnist.rs:76:2
Sep 05 00:26:39.084 INFO kablam!    |
Sep 05 00:26:39.084 INFO kablam! 76 |     params = solver.optimise_from(&mut data_stream, params).unwrap();
Sep 05 00:26:39.084 INFO kablam!    |     ^^^^^^
Sep 05 00:26:39.084 INFO kablam!    |
Sep 05 00:26:39.084 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 05 00:26:39.085 INFO kablam! 
Sep 05 00:26:39.098 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:26:39.098 INFO kablam!   --> examples/mnist.rs:64:6
Sep 05 00:26:39.098 INFO kablam!    |
Sep 05 00:26:39.098 INFO kablam! 64 |     let mut avg_err1 = Arc::new(Cell::new(2.3));
Sep 05 00:26:39.098 INFO kablam!    |         ----^^^^^^^^
Sep 05 00:26:39.098 INFO kablam!    |         |
Sep 05 00:26:39.098 INFO kablam!    |         help: remove this `mut`
Sep 05 00:26:39.098 INFO kablam!    |
Sep 05 00:26:39.098 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 00:26:39.098 INFO kablam! 
Sep 05 00:26:39.098 INFO kablam! warning: variable does not need to be mutable
Sep 05 00:26:39.098 INFO kablam!   --> examples/mnist.rs:65:6
Sep 05 00:26:39.099 INFO kablam!    |
Sep 05 00:26:39.099 INFO kablam! 65 |     let mut avg_err2 = avg_err1.clone();
Sep 05 00:26:39.099 INFO kablam!    |         ----^^^^^^^^
Sep 05 00:26:39.099 INFO kablam!    |         |
Sep 05 00:26:39.099 INFO kablam!    |         help: remove this `mut`
Sep 05 00:26:39.099 INFO kablam! 
Sep 05 00:26:39.166 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 30.58s
Sep 05 00:26:39.186 INFO kablam! su: No module specific data is present
Sep 05 00:26:39.632 INFO running `"docker" "rm" "-f" "5616fd0599822c5bd92dd527bdf280ad9aa1d41d689c36b35aa5b2853b062817"`
Sep 05 00:26:39.763 INFO blam! 5616fd0599822c5bd92dd527bdf280ad9aa1d41d689c36b35aa5b2853b062817