[INFO] updating cached repository jdumont0201/rust-neural-network
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jdumont0201/rust-neural-network
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jdumont0201/rust-neural-network" "work/ex/beta-1.38-1/sources/1.37.0/gh/jdumont0201/rust-neural-network"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jdumont0201/rust-neural-network'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jdumont0201/rust-neural-network" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdumont0201/rust-neural-network"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdumont0201/rust-neural-network'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c23fa61b5dfc4a54a307054cfca542d09db9eb4
[INFO] sha for GitHub repo jdumont0201/rust-neural-network: 3c23fa61b5dfc4a54a307054cfca542d09db9eb4
[INFO] validating manifest of jdumont0201/rust-neural-network on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jdumont0201/rust-neural-network on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jdumont0201/rust-neural-network
[INFO] finished frobbing jdumont0201/rust-neural-network
[INFO] frobbed toml for jdumont0201/rust-neural-network written to work/ex/beta-1.38-1/sources/1.37.0/gh/jdumont0201/rust-neural-network/Cargo.toml
[INFO] started frobbing jdumont0201/rust-neural-network
[INFO] finished frobbing jdumont0201/rust-neural-network
[INFO] frobbed toml for jdumont0201/rust-neural-network written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdumont0201/rust-neural-network/Cargo.toml
[INFO] crate jdumont0201/rust-neural-network already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jdumont0201/rust-neural-network against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdumont0201/rust-neural-network:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 63110b4a54fb56c6ecaba17edee38618c444b5a9151a18811a13cf46041044f0
[INFO] running `"docker" "start" "-a" "63110b4a54fb56c6ecaba17edee38618c444b5a9151a18811a13cf46041044f0"`
[INFO] [stderr]    Compiling neuralnetwork v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/utils/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         _=>{val }
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/neuron/mod.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for (idx, n) in T.layers[self.layer_id + 1].neurons.iter().enumerate() {
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/topology/mod.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let mut LL = self.layers.get_mut(layer_id).unwrap();
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compute_output`
[INFO] [stderr]   --> src/neuron/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn compute_output(&mut self, L: &Layer) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sum_of_DOW`
[INFO] [stderr]   --> src/neuron/mod.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn sum_of_DOW(&self, T: &Topology) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compute_outputs`
[INFO] [stderr]   --> src/layer/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn compute_outputs(&mut self,prev:&Layer) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/topology/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn get(&self, layer_nb: usize, neuron_nb: usize) -> Option<&Neuron> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/topology/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn get_mut(&mut self, layer_nb: usize, neuron_nb: usize) -> Option<&Neuron> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compute_errors`
[INFO] [stderr]    --> src/topology/mod.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn compute_errors(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BINARY`
[INFO] [stderr]  --> src/utils/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     BINARY,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EXPONENTIAL`
[INFO] [stderr]  --> src/utils/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     EXPONENTIAL,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TANH`
[INFO] [stderr]  --> src/utils/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     TANH
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut T: Topology = Topology { layers: Vec::new(),targets:Vec::new(),error:1. };
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/neuron/mod.rs:20:38
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn compute_output(&mut self, L: &Layer) {
[INFO] [stderr]    |                                      ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: method `sum_of_DOW` should have a snake case name
[INFO] [stderr]   --> src/neuron/mod.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn sum_of_DOW(&self, T: &Topology) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `sum_of_dow`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/neuron/mod.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn sum_of_DOW(&self, T: &Topology) -> f64 {
[INFO] [stderr]    |                              ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/topology/mod.rs:54:38
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn create_neurons(&mut self, T: Vec<i8>) {
[INFO] [stderr]    |                                      ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/topology/mod.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let L = &mut self.layers;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `I` should have a snake case name
[INFO] [stderr]   --> src/topology/mod.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     let mut I = Vec::new();
[INFO] [stderr]    |                             ^ help: convert the identifier to snake case: `i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `I` should have a snake case name
[INFO] [stderr]   --> src/topology/mod.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     let mut I = Vec::new();
[INFO] [stderr]    |                             ^ help: convert the identifier to snake case: `i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]    --> src/topology/mod.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let L = &self.layers;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]    --> src/topology/mod.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let L = self.layers.get(layer_id).unwrap();
[INFO] [stderr]     |                     ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `LL` should have a snake case name
[INFO] [stderr]    --> src/topology/mod.rs:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let mut LL = self.layers.get_mut(layer_id).unwrap();
[INFO] [stderr]     |                         ^^ help: convert the identifier to snake case: `ll`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/topology/mod.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let N = self.layers.last().unwrap().neurons.len() as f64;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "63110b4a54fb56c6ecaba17edee38618c444b5a9151a18811a13cf46041044f0"`
[INFO] running `"docker" "rm" "-f" "63110b4a54fb56c6ecaba17edee38618c444b5a9151a18811a13cf46041044f0"`
[INFO] [stdout] 63110b4a54fb56c6ecaba17edee38618c444b5a9151a18811a13cf46041044f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdumont0201/rust-neural-network:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91194bc68e2aa5f02d0e0a334bdec3eb275ba1a339aa18eb19e688fc76da2079
[INFO] running `"docker" "start" "-a" "91194bc68e2aa5f02d0e0a334bdec3eb275ba1a339aa18eb19e688fc76da2079"`
[INFO] [stderr]    Compiling neuralnetwork v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/utils/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         _=>{val }
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/neuron/mod.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for (idx, n) in T.layers[self.layer_id + 1].neurons.iter().enumerate() {
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/topology/mod.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let mut LL = self.layers.get_mut(layer_id).unwrap();
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compute_output`
[INFO] [stderr]   --> src/neuron/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn compute_output(&mut self, L: &Layer) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sum_of_DOW`
[INFO] [stderr]   --> src/neuron/mod.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn sum_of_DOW(&self, T: &Topology) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compute_outputs`
[INFO] [stderr]   --> src/layer/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn compute_outputs(&mut self,prev:&Layer) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/topology/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn get(&self, layer_nb: usize, neuron_nb: usize) -> Option<&Neuron> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/topology/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn get_mut(&mut self, layer_nb: usize, neuron_nb: usize) -> Option<&Neuron> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compute_errors`
[INFO] [stderr]    --> src/topology/mod.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn compute_errors(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BINARY`
[INFO] [stderr]  --> src/utils/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     BINARY,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EXPONENTIAL`
[INFO] [stderr]  --> src/utils/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     EXPONENTIAL,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TANH`
[INFO] [stderr]  --> src/utils/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     TANH
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut T: Topology = Topology { layers: Vec::new(),targets:Vec::new(),error:1. };
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/neuron/mod.rs:20:38
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn compute_output(&mut self, L: &Layer) {
[INFO] [stderr]    |                                      ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: method `sum_of_DOW` should have a snake case name
[INFO] [stderr]   --> src/neuron/mod.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn sum_of_DOW(&self, T: &Topology) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `sum_of_dow`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/neuron/mod.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn sum_of_DOW(&self, T: &Topology) -> f64 {
[INFO] [stderr]    |                              ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/topology/mod.rs:54:38
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn create_neurons(&mut self, T: Vec<i8>) {
[INFO] [stderr]    |                                      ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/topology/mod.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let L = &mut self.layers;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `I` should have a snake case name
[INFO] [stderr]   --> src/topology/mod.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     let mut I = Vec::new();
[INFO] [stderr]    |                             ^ help: convert the identifier to snake case: `i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `I` should have a snake case name
[INFO] [stderr]   --> src/topology/mod.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     let mut I = Vec::new();
[INFO] [stderr]    |                             ^ help: convert the identifier to snake case: `i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]    --> src/topology/mod.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let L = &self.layers;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]    --> src/topology/mod.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let L = self.layers.get(layer_id).unwrap();
[INFO] [stderr]     |                     ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `LL` should have a snake case name
[INFO] [stderr]    --> src/topology/mod.rs:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let mut LL = self.layers.get_mut(layer_id).unwrap();
[INFO] [stderr]     |                         ^^ help: convert the identifier to snake case: `ll`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/topology/mod.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let N = self.layers.last().unwrap().neurons.len() as f64;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "91194bc68e2aa5f02d0e0a334bdec3eb275ba1a339aa18eb19e688fc76da2079"`
[INFO] running `"docker" "rm" "-f" "91194bc68e2aa5f02d0e0a334bdec3eb275ba1a339aa18eb19e688fc76da2079"`
[INFO] [stdout] 91194bc68e2aa5f02d0e0a334bdec3eb275ba1a339aa18eb19e688fc76da2079
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdumont0201/rust-neural-network:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] eb97c85b1d991c95752c3acc83d60c5027d09041186cfc0b526ad081adcfb577
[INFO] running `"docker" "start" "-a" "eb97c85b1d991c95752c3acc83d60c5027d09041186cfc0b526ad081adcfb577"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neuralnetwork-832c26cb57518dc0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eb97c85b1d991c95752c3acc83d60c5027d09041186cfc0b526ad081adcfb577"`
[INFO] running `"docker" "rm" "-f" "eb97c85b1d991c95752c3acc83d60c5027d09041186cfc0b526ad081adcfb577"`
[INFO] [stdout] eb97c85b1d991c95752c3acc83d60c5027d09041186cfc0b526ad081adcfb577