[INFO] updating cached repository Ueberflieger/backpropagation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ueberflieger/backpropagation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ueberflieger/backpropagation" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Ueberflieger/backpropagation"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Ueberflieger/backpropagation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ueberflieger/backpropagation" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Ueberflieger/backpropagation"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Ueberflieger/backpropagation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe73214c315b49a58e409a8e5924165aafd9dfde
[INFO] sha for GitHub repo Ueberflieger/backpropagation: fe73214c315b49a58e409a8e5924165aafd9dfde
[INFO] validating manifest of Ueberflieger/backpropagation on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Ueberflieger/backpropagation on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Ueberflieger/backpropagation
[INFO] finished frobbing Ueberflieger/backpropagation
[INFO] frobbed toml for Ueberflieger/backpropagation written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Ueberflieger/backpropagation/Cargo.toml
[INFO] started frobbing Ueberflieger/backpropagation
[INFO] finished frobbing Ueberflieger/backpropagation
[INFO] frobbed toml for Ueberflieger/backpropagation written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Ueberflieger/backpropagation/Cargo.toml
[INFO] crate Ueberflieger/backpropagation already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Ueberflieger/backpropagation against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Ueberflieger/backpropagation:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0be87d942c05dafe5d47caf6e8f0229226c9795c9cbeda290a1174d8c67d9a9a
[INFO] running `"docker" "start" "-a" "0be87d942c05dafe5d47caf6e8f0229226c9795c9cbeda290a1174d8c67d9a9a"`
[INFO] [stderr]     Checking backpropagation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `calculate_output`
[INFO] [stderr]  --> src/neuron.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn calculate_output(&self, input: f64) -> f64 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_output`
[INFO] [stderr]  --> src/neuron.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn calculate_output(&self, input: f64) -> 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 0.41s
[INFO] running `"docker" "inspect" "0be87d942c05dafe5d47caf6e8f0229226c9795c9cbeda290a1174d8c67d9a9a"`
[INFO] running `"docker" "rm" "-f" "0be87d942c05dafe5d47caf6e8f0229226c9795c9cbeda290a1174d8c67d9a9a"`
[INFO] [stdout] 0be87d942c05dafe5d47caf6e8f0229226c9795c9cbeda290a1174d8c67d9a9a