Sep 10 12:38:05.721 INFO checking prophet-0.4.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 12:38:05.721 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 12:38:05.721 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/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 12:38:05.972 INFO blam! 0d23e697fb4e26ac1b5da9fa8c0725bb1e8f78194f2c7ec32cf899671d371634
Sep 10 12:38:05.974 INFO running `"docker" "start" "-a" "0d23e697fb4e26ac1b5da9fa8c0725bb1e8f78194f2c7ec32cf899671d371634"`
Sep 10 12:38:06.978 INFO kablam! usermod: no changes
Sep 10 12:38:07.118 INFO kablam!    Compiling ndarray v0.10.14
Sep 10 12:38:17.066 INFO kablam!     Checking ndarray-rand v0.6.1
Sep 10 12:38:17.603 INFO kablam!     Checking prophet v0.4.2 (file:///source)
Sep 10 12:38:21.254 INFO kablam! warning: unused return value of `std::borrow::ToOwned::to_owned` which must be used
Sep 10 12:38:21.254 INFO kablam!    --> src/neural_net.rs:418:4
Sep 10 12:38:21.254 INFO kablam!     |
Sep 10 12:38:21.254 INFO kablam! 418 |             layer.calculate_output_gradients(expected.view()).to_owned();
Sep 10 12:38:21.254 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:38:21.254 INFO kablam!     |
Sep 10 12:38:21.254 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:38:21.254 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Sep 10 12:38:21.254 INFO kablam! 
Sep 10 12:38:21.730 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.72s
Sep 10 12:38:21.742 INFO kablam! su: No module specific data is present
Sep 10 12:38:23.053 INFO running `"docker" "rm" "-f" "0d23e697fb4e26ac1b5da9fa8c0725bb1e8f78194f2c7ec32cf899671d371634"`
Sep 10 12:38:23.188 INFO blam! 0d23e697fb4e26ac1b5da9fa8c0725bb1e8f78194f2c7ec32cf899671d371634