[INFO] updating cached repository https://github.com/aol1306/multilayer-xor
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 722e6b40fa5ee65da97e77cf2e57dc932f5e8740
[INFO] checking aol1306/multilayer-xor against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faol1306%2Fmultilayer-xor" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aol1306/multilayer-xor on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aol1306/multilayer-xor
[INFO] finished tweaking git repo https://github.com/aol1306/multilayer-xor
[INFO] tweaked toml for git repo https://github.com/aol1306/multilayer-xor written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/aol1306/multilayer-xor already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0153cad2b1c4f173ea397f124b33a521a7244d9c5157fec9b4121c5c50029106
[INFO] running `"docker" "start" "-a" "0153cad2b1c4f173ea397f124b33a521a7244d9c5157fec9b4121c5c50029106"`
[INFO] [stderr]     Checking multilayer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::shuffle': use SliceRandom::shuffle instead
[INFO] [stderr]    --> src/lib.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |             rng.shuffle(&mut training_set);
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/lib.rs:408:5
[INFO] [stderr]     |
[INFO] [stderr] 408 |     fn add(&mut self, inputs : Vec<f64>, expected : Vec<f64>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::shuffle': use SliceRandom::shuffle instead
[INFO] [stderr]    --> src/lib.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |             rng.shuffle(&mut training_set);
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]    --> src/lib.rs:408:5
[INFO] [stderr]     |
[INFO] [stderr] 408 |     fn add(&mut self, inputs : Vec<f64>, expected : Vec<f64>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `"docker" "inspect" "0153cad2b1c4f173ea397f124b33a521a7244d9c5157fec9b4121c5c50029106"`
[INFO] running `"docker" "rm" "-f" "0153cad2b1c4f173ea397f124b33a521a7244d9c5157fec9b4121c5c50029106"`
[INFO] [stdout] 0153cad2b1c4f173ea397f124b33a521a7244d9c5157fec9b4121c5c50029106