[INFO] updating cached repository orglofch/neat-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/orglofch/neat-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/orglofch/neat-rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/orglofch/neat-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/orglofch/neat-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/orglofch/neat-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/orglofch/neat-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/orglofch/neat-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 778545c1d29792db6aac2236bca0d8335beb3a86
[INFO] sha for GitHub repo orglofch/neat-rust: 778545c1d29792db6aac2236bca0d8335beb3a86
[INFO] validating manifest of orglofch/neat-rust 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 orglofch/neat-rust 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 orglofch/neat-rust
[INFO] finished frobbing orglofch/neat-rust
[INFO] frobbed toml for orglofch/neat-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/orglofch/neat-rust/Cargo.toml
[INFO] started frobbing orglofch/neat-rust
[INFO] finished frobbing orglofch/neat-rust
[INFO] frobbed toml for orglofch/neat-rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/orglofch/neat-rust/Cargo.toml
[INFO] crate orglofch/neat-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking orglofch/neat-rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/orglofch/neat-rust:/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] 3b44443974919dfcc927d899ba22c576dace7399bd9413973242c8b374781538
[INFO] running `"docker" "start" "-a" "3b44443974919dfcc927d899ba22c576dace7399bd9413973242c8b374781538"`
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]     Checking neat-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `GenomeConfig`, `Genome`
[INFO] [stderr]  --> src/speciation.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use genome::{Genome, GenomeConfig, Population};
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_species_size`
[INFO] [stderr]    --> src/config.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 let new_species_size = population.len() as f32 * species_fitness_by_proto_id.get(&proto_id).unwrap() /
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_new_species_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/genome.rs:604:46
[INFO] [stderr]     |
[INFO] [stderr] 604 |     fn mutate_remove_node<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |                                              ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EPSILON`
[INFO] [stderr]  --> src/activation.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const EPSILON: f32 = 1e-7;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]   --> src/activation.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub(crate) fn eval(&self, val: f32) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigmoid_activation`
[INFO] [stderr]   --> src/activation.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn sigmoid_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tanh_activation`
[INFO] [stderr]   --> src/activation.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn tanh_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sin_activation`
[INFO] [stderr]   --> src/activation.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn sin_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gauss_activation`
[INFO] [stderr]   --> src/activation.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn gauss_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `relu_activation`
[INFO] [stderr]   --> src/activation.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn relu_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `softplus_activation`
[INFO] [stderr]   --> src/activation.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn softplus_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `identity_activation`
[INFO] [stderr]   --> src/activation.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn identity_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clamped_activation`
[INFO] [stderr]   --> src/activation.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn clamped_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inv_activation`
[INFO] [stderr]   --> src/activation.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn inv_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ln_activation`
[INFO] [stderr]   --> src/activation.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn ln_activation(val: f32) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exp_activation`
[INFO] [stderr]    --> src/activation.rs:103:1
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn exp_activation(val: f32) -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `abs_activation`
[INFO] [stderr]    --> src/activation.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn abs_activation(val: f32) -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hat_activation`
[INFO] [stderr]    --> src/activation.rs:113:1
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn hat_activation(val: f32) -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `square_activation`
[INFO] [stderr]    --> src/activation.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn square_activation(val: f32) -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cube_activation`
[INFO] [stderr]    --> src/activation.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn cube_activation(val: f32) -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sinc_activation`
[INFO] [stderr]    --> src/activation.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn sinc_activation(val: f32) -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `aggregate`
[INFO] [stderr]   --> src/aggregation.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub(crate) fn aggregate(&self, values: Vec<f32>) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum_aggregation`
[INFO] [stderr]   --> src/aggregation.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn sum_aggregation(values: Vec<f32>) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `product_aggregation`
[INFO] [stderr]   --> src/aggregation.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn product_aggregation(values: Vec<f32>) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `max_aggregation`
[INFO] [stderr]   --> src/aggregation.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn max_aggregation(values: Vec<f32>) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `min_aggregation`
[INFO] [stderr]   --> src/aggregation.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn min_aggregation(values: Vec<f32>) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `abs_max_aggregation`
[INFO] [stderr]   --> src/aggregation.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn abs_max_aggregation(values: Vec<f32>) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `median_aggregation`
[INFO] [stderr]   --> src/aggregation.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn median_aggregation(values: Vec<f32>) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mean_aggregation`
[INFO] [stderr]   --> src/aggregation.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn mean_aggregation(values: Vec<f32>) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `activate`
[INFO] [stderr]   --> src/gene.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub(crate) fn activate(&self, values: &Vec<f32>) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `crossover`
[INFO] [stderr]   --> src/gene.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub(crate) fn crossover(&self, other: &NodeGene) -> NodeGene {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `activate`
[INFO] [stderr]   --> src/gene.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub(crate) fn activate(&self, value: f32) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `crossover`
[INFO] [stderr]   --> src/gene.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub(crate) fn crossover(&self, other: &ConnectionGene) -> ConnectionGene {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `activate`
[INFO] [stderr]    --> src/genome.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub(crate) fn activate(&self, inputs: &HashMap<&'a str, f32>) -> HashMap<&'a str, f32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `crossover`
[INFO] [stderr]    --> src/genome.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub(crate) fn crossover(&self, other: &Genome, genome_config: &mut GenomeConfig) -> Genome {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mutate_remove_connection`
[INFO] [stderr]    --> src/genome.rs:536:5
[INFO] [stderr]     |
[INFO] [stderr] 536 |     fn mutate_remove_connection<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mutate_remove_node`
[INFO] [stderr]    --> src/genome.rs:604:5
[INFO] [stderr]     |
[INFO] [stderr] 604 |     fn mutate_remove_node<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenomeConfig`, `Genome`
[INFO] [stderr]  --> src/speciation.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use genome::{Genome, GenomeConfig, Population};
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_species_size`
[INFO] [stderr]    --> src/config.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 let new_species_size = population.len() as f32 * species_fitness_by_proto_id.get(&proto_id).unwrap() /
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_new_species_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/genome.rs:604:46
[INFO] [stderr]     |
[INFO] [stderr] 604 |     fn mutate_remove_node<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |                                              ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_species_size`
[INFO] [stderr]    --> src/config.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 let new_species_size = population.len() as f32 * species_fitness_by_proto_id.get(&proto_id).unwrap() /
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_new_species_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/genome.rs:604:46
[INFO] [stderr]     |
[INFO] [stderr] 604 |     fn mutate_remove_node<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |                                              ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `crossover`
[INFO] [stderr]   --> src/gene.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub(crate) fn crossover(&self, other: &NodeGene) -> NodeGene {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `crossover`
[INFO] [stderr]   --> src/gene.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub(crate) fn crossover(&self, other: &ConnectionGene) -> ConnectionGene {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `crossover`
[INFO] [stderr]    --> src/genome.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     pub(crate) fn crossover(&self, other: &Genome, genome_config: &mut GenomeConfig) -> Genome {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mutate_remove_connection`
[INFO] [stderr]    --> src/genome.rs:536:5
[INFO] [stderr]     |
[INFO] [stderr] 536 |     fn mutate_remove_connection<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mutate_remove_node`
[INFO] [stderr]    --> src/genome.rs:604:5
[INFO] [stderr]     |
[INFO] [stderr] 604 |     fn mutate_remove_node<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_species_size`
[INFO] [stderr]    --> src/config.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 let new_species_size = population.len() as f32 * species_fitness_by_proto_id.get(&proto_id).unwrap() /
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_new_species_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/genome.rs:604:46
[INFO] [stderr]     |
[INFO] [stderr] 604 |     fn mutate_remove_node<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |                                              ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mutate_remove_node`
[INFO] [stderr]    --> src/genome.rs:604:5
[INFO] [stderr]     |
[INFO] [stderr] 604 |     fn mutate_remove_node<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mutate_remove_node`
[INFO] [stderr]    --> src/genome.rs:604:5
[INFO] [stderr]     |
[INFO] [stderr] 604 |     fn mutate_remove_node<R: Rng>(&mut self, rng: &mut R) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `"docker" "inspect" "3b44443974919dfcc927d899ba22c576dace7399bd9413973242c8b374781538"`
[INFO] running `"docker" "rm" "-f" "3b44443974919dfcc927d899ba22c576dace7399bd9413973242c8b374781538"`
[INFO] [stdout] 3b44443974919dfcc927d899ba22c576dace7399bd9413973242c8b374781538