[INFO] updating cached repository drakeor/rust-neural-net
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drakeor/rust-neural-net
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drakeor/rust-neural-net" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/drakeor/rust-neural-net"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/drakeor/rust-neural-net'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drakeor/rust-neural-net" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/drakeor/rust-neural-net"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/drakeor/rust-neural-net'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d6ac4a97deb7595a5aff9b75e00b8fa0dc2bdad8
[INFO] sha for GitHub repo drakeor/rust-neural-net: d6ac4a97deb7595a5aff9b75e00b8fa0dc2bdad8
[INFO] validating manifest of drakeor/rust-neural-net on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of drakeor/rust-neural-net on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing drakeor/rust-neural-net
[INFO] finished frobbing drakeor/rust-neural-net
[INFO] frobbed toml for drakeor/rust-neural-net written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/drakeor/rust-neural-net/Cargo.toml
[INFO] started frobbing drakeor/rust-neural-net
[INFO] finished frobbing drakeor/rust-neural-net
[INFO] frobbed toml for drakeor/rust-neural-net written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/drakeor/rust-neural-net/Cargo.toml
[INFO] crate drakeor/rust-neural-net already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking drakeor/rust-neural-net against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/drakeor/rust-neural-net:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a93ba21e1bd0c8ab488fa761adb5dc1fc90ca3be63341f57890e4b27628f8a17
[INFO] running `"docker" "start" "-a" "a93ba21e1bd0c8ab488fa761adb5dc1fc90ca3be63341f57890e4b27628f8a17"`
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rust_neuralnet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `inputLayerSize`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     inputLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `outputLayerSize`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     outputLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hiddenLayerSize`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     hiddenLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `inputLayerSize` should have a snake case name
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     inputLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `input_layer_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `outputLayerSize` should have a snake case name
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     outputLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `output_layer_size`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `hiddenLayerSize` should have a snake case name
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     hiddenLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hidden_layer_size`
[INFO] [stderr] 
[INFO] [stderr] warning: method `costFunctionPrime` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn costFunctionPrime(&mut self, X : Matrix<f32>, y : Matrix<f32>) -> (Matrix<f32>, Matrix<f32>) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cost_function_prime`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn costFunctionPrime(&mut self, X : Matrix<f32>, y : Matrix<f32>) -> (Matrix<f32>, Matrix<f32>) {
[INFO] [stderr]    |                                         ^ help: convert the identifier to snake case: `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `yHat` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let yHat = self.forward(X.clone());
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `y_hat`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let X = Matrix::new(3, 2, vec![
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `x`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inputLayerSize`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     inputLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `outputLayerSize`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     outputLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hiddenLayerSize`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     hiddenLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `inputLayerSize` should have a snake case name
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     inputLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `input_layer_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `outputLayerSize` should have a snake case name
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     outputLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `output_layer_size`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `hiddenLayerSize` should have a snake case name
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     hiddenLayerSize : i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hidden_layer_size`
[INFO] [stderr] 
[INFO] [stderr] warning: method `costFunctionPrime` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn costFunctionPrime(&mut self, X : Matrix<f32>, y : Matrix<f32>) -> (Matrix<f32>, Matrix<f32>) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cost_function_prime`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn costFunctionPrime(&mut self, X : Matrix<f32>, y : Matrix<f32>) -> (Matrix<f32>, Matrix<f32>) {
[INFO] [stderr]    |                                         ^ help: convert the identifier to snake case: `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `yHat` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let yHat = self.forward(X.clone());
[INFO] [stderr]    |             ^^^^ help: convert the identifier to snake case: `y_hat`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let X = Matrix::new(3, 2, vec![
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `"docker" "inspect" "a93ba21e1bd0c8ab488fa761adb5dc1fc90ca3be63341f57890e4b27628f8a17"`
[INFO] running `"docker" "rm" "-f" "a93ba21e1bd0c8ab488fa761adb5dc1fc90ca3be63341f57890e4b27628f8a17"`
[INFO] [stdout] a93ba21e1bd0c8ab488fa761adb5dc1fc90ca3be63341f57890e4b27628f8a17