Dec 19 16:06:28.645 INFO checking hgzimmerman/Perceptron against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:06:28.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/hgzimmerman/Perceptron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:06:29.059 INFO [stdout] 272a55b28f421639673889ec2323efba88397f686a22503bb48bf589f198d286
Dec 19 16:06:29.062 INFO running `"docker" "start" "-a" "272a55b28f421639673889ec2323efba88397f686a22503bb48bf589f198d286"`
Dec 19 16:06:30.432 INFO [stderr]     Checking perceptron-test v0.1.0 (/opt/crater/workdir)
Dec 19 16:06:30.617 INFO [stderr] warning: unused import: `super::*`
Dec 19 16:06:30.617 INFO [stderr]    --> src/lib.rs:139:9
Dec 19 16:06:30.617 INFO [stderr]     |
Dec 19 16:06:30.617 INFO [stderr] 139 |     use super::*;
Dec 19 16:06:30.617 INFO [stderr]     |         ^^^^^^^^
Dec 19 16:06:30.617 INFO [stderr]     |
Dec 19 16:06:30.617 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 19 16:06:30.617 INFO [stderr] 
Dec 19 16:06:30.617 INFO [stderr] warning: unused import: `Boolean::*`
Dec 19 16:06:30.617 INFO [stderr]    --> src/lib.rs:165:9
Dec 19 16:06:30.617 INFO [stderr]     |
Dec 19 16:06:30.617 INFO [stderr] 165 |     use Boolean::*;
Dec 19 16:06:30.617 INFO [stderr]     |         ^^^^^^^^^^
Dec 19 16:06:30.617 INFO [stderr] 
Dec 19 16:06:30.617 INFO [stderr] warning: unused import: `test::Bencher`
Dec 19 16:06:30.617 INFO [stderr]    --> src/lib.rs:252:13
Dec 19 16:06:30.617 INFO [stderr]     |
Dec 19 16:06:30.617 INFO [stderr] 252 |         use test::Bencher;
Dec 19 16:06:30.617 INFO [stderr]     |             ^^^^^^^^^^^^^
Dec 19 16:06:30.617 INFO [stderr] 
Dec 19 16:06:30.617 INFO [stderr] warning: unused import: `super::*`
Dec 19 16:06:30.617 INFO [stderr]    --> src/lib.rs:253:13
Dec 19 16:06:30.617 INFO [stderr]     |
Dec 19 16:06:30.617 INFO [stderr] 253 |         use super::*;
Dec 19 16:06:30.617 INFO [stderr]     |             ^^^^^^^^
Dec 19 16:06:30.617 INFO [stderr] 
Dec 19 16:06:30.752 INFO [stderr] warning: struct is never constructed: `NeuralNetwork`
Dec 19 16:06:30.752 INFO [stderr]   --> src/lib.rs:23:1
Dec 19 16:06:30.752 INFO [stderr]    |
Dec 19 16:06:30.752 INFO [stderr] 23 | struct NeuralNetwork {
Dec 19 16:06:30.752 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 19 16:06:30.752 INFO [stderr]    |
Dec 19 16:06:30.752 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:06:30.752 INFO [stderr] 
Dec 19 16:06:30.752 INFO [stderr] warning: method is never used: `add_output_connection`
Dec 19 16:06:30.752 INFO [stderr]    --> src/lib.rs:105:5
Dec 19 16:06:30.752 INFO [stderr]     |
Dec 19 16:06:30.752 INFO [stderr] 105 |     fn add_output_connection(&mut self, output_connection: Connection) {
Dec 19 16:06:30.752 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:06:30.752 INFO [stderr] 
Dec 19 16:06:30.860 INFO [stderr] warning: struct is never constructed: `NeuralNetwork`
Dec 19 16:06:30.860 INFO [stderr]   --> src/lib.rs:23:1
Dec 19 16:06:30.860 INFO [stderr]    |
Dec 19 16:06:30.860 INFO [stderr] 23 | struct NeuralNetwork {
Dec 19 16:06:30.860 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 19 16:06:30.860 INFO [stderr]    |
Dec 19 16:06:30.860 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:06:30.860 INFO [stderr] 
Dec 19 16:06:30.861 INFO [stderr] warning: method is never used: `add_output_connection`
Dec 19 16:06:30.861 INFO [stderr]    --> src/lib.rs:105:5
Dec 19 16:06:30.861 INFO [stderr]     |
Dec 19 16:06:30.861 INFO [stderr] 105 |     fn add_output_connection(&mut self, output_connection: Connection) {
Dec 19 16:06:30.861 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:06:30.861 INFO [stderr] 
Dec 19 16:06:30.925 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 19 16:06:31.374 INFO running `"docker" "inspect" "272a55b28f421639673889ec2323efba88397f686a22503bb48bf589f198d286"`
Dec 19 16:06:31.512 INFO running `"docker" "rm" "-f" "272a55b28f421639673889ec2323efba88397f686a22503bb48bf589f198d286"`
Dec 19 16:06:31.792 INFO [stdout] 272a55b28f421639673889ec2323efba88397f686a22503bb48bf589f198d286