[INFO] cloning repository https://github.com/selareid/rust_machine_learning_library
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/selareid/rust_machine_learning_library" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselareid%2Frust_machine_learning_library", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselareid%2Frust_machine_learning_library'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d1b5f41ff2b613d06da8dbc2c7be7f0c6df9018
[INFO] testing selareid/rust_machine_learning_library against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselareid%2Frust_machine_learning_library" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/selareid/rust_machine_learning_library on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/selareid/rust_machine_learning_library
[INFO] finished tweaking git repo https://github.com/selareid/rust_machine_learning_library
[INFO] tweaked toml for git repo https://github.com/selareid/rust_machine_learning_library written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/selareid/rust_machine_learning_library already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c45ac2976b86ae192f481b9d509d1e4328260f64dc79223e465f17d4d68092e1
[INFO] running `Command { std: "docker" "start" "-a" "c45ac2976b86ae192f481b9d509d1e4328260f64dc79223e465f17d4d68092e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c45ac2976b86ae192f481b9d509d1e4328260f64dc79223e465f17d4d68092e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45ac2976b86ae192f481b9d509d1e4328260f64dc79223e465f17d4d68092e1", kill_on_drop: false }`
[INFO] [stdout] c45ac2976b86ae192f481b9d509d1e4328260f64dc79223e465f17d4d68092e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0846b049cac7f8f139dedab9cf908a963198006a8cea91da52bbb32971ba06b
[INFO] running `Command { std: "docker" "start" "-a" "c0846b049cac7f8f139dedab9cf908a963198006a8cea91da52bbb32971ba06b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rust_machine_learning_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/feed_forward/calculator/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/neat/species.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         for i in 0..number_to_cull {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neat/species.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut random_client1_ref: Rc<RefCell<Client>>;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neat/species.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut random_client2_ref: Rc<RefCell<Client>>;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_innovation_number` is never used
[INFO] [stdout]  --> src/feed_forward/gene.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Gene {
[INFO] [stdout]   |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 4 |     fn set_innovation_number(&mut self, innovation_number: usize);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HashSetRemoveTypes` is never used
[INFO] [stdout]  --> src/random_hash_set.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) enum HashSetRemoveTypes<T> where
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert` and `remove` are never used
[INFO] [stdout]   --> src/random_hash_set.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<T> RandomHashSet<T> where
[INFO] [stdout] 16 | |     T: Eq, {
[INFO] [stdout]    | |__________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub fn insert(&mut self, object: Rc<T>, index: usize) -> bool {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       pub fn remove(&mut self, to_remove: HashSetRemoveTypes<T>) -> bool {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivativeFunctions` is never constructed
[INFO] [stdout]  --> src/activation_functions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct DerivativeFunctions {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_species` and `get_calculator` are never used
[INFO] [stdout]   --> src/neat/client.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Client {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub(super) fn get_species(&self) -> Rc<RefCell<Species>> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub(super) fn get_calculator(&self) -> Option<Rc<Calculator<fn(f64)->f64>>> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reset` and `get_representative` are never used
[INFO] [stdout]    --> src/neat/species.rs:91:19
[INFO] [stdout]     |
[INFO] [stdout] 24  | impl Species {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub(super) fn reset(&mut self, default_species: &Rc<RefCell<Species>>) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn get_representative(&self) -> Option<Rc<RefCell<Client>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/feed_forward/calculator/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         &mut to_node.borrow_mut().connections.push(Rc::new(new_connection));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = &mut to_node.borrow_mut().connections.push(Rc::new(new_connection));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ReLU` should have a snake case name
[INFO] [stdout]   --> src/activation_functions.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn ReLU(input: f64) -> f64 {
[INFO] [stdout]    |            ^^^^ help: convert the identifier to snake case: `re_lu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C1` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     C1: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C2` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     C2: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C3` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     C3: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C1` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:71:41
[INFO] [stdout]    |
[INFO] [stdout] 71 |                proportion_to_kill: f64, C1: f64,
[INFO] [stdout]    |                                         ^^ help: convert the identifier to snake case (notice the capitalization): `c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C2` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |                C2: f64, C3: f64,
[INFO] [stdout]    |                ^^ help: convert the identifier to snake case (notice the capitalization): `c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C3` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |                C2: f64, C3: f64,
[INFO] [stdout]    |                         ^^ help: convert the identifier to snake case (notice the capitalization): `c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "c0846b049cac7f8f139dedab9cf908a963198006a8cea91da52bbb32971ba06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0846b049cac7f8f139dedab9cf908a963198006a8cea91da52bbb32971ba06b", kill_on_drop: false }`
[INFO] [stdout] c0846b049cac7f8f139dedab9cf908a963198006a8cea91da52bbb32971ba06b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a34271202e6a99ba7ae5706e909d1a4301e5167bdd50dd424fe8f19dff7b3813
[INFO] running `Command { std: "docker" "start" "-a" "a34271202e6a99ba7ae5706e909d1a4301e5167bdd50dd424fe8f19dff7b3813", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_machine_learning_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/feed_forward/calculator/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/neat/species.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         for i in 0..number_to_cull {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neat/species.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut random_client1_ref: Rc<RefCell<Client>>;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neat/species.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut random_client2_ref: Rc<RefCell<Client>>;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_innovation_number` is never used
[INFO] [stdout]  --> src/feed_forward/gene.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Gene {
[INFO] [stdout]   |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 4 |     fn set_innovation_number(&mut self, innovation_number: usize);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HashSetRemoveTypes` is never used
[INFO] [stdout]  --> src/random_hash_set.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) enum HashSetRemoveTypes<T> where
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert` and `remove` are never used
[INFO] [stdout]   --> src/random_hash_set.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<T> RandomHashSet<T> where
[INFO] [stdout] 16 | |     T: Eq, {
[INFO] [stdout]    | |__________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub fn insert(&mut self, object: Rc<T>, index: usize) -> bool {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       pub fn remove(&mut self, to_remove: HashSetRemoveTypes<T>) -> bool {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivativeFunctions` is never constructed
[INFO] [stdout]  --> src/activation_functions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct DerivativeFunctions {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_species` and `get_calculator` are never used
[INFO] [stdout]   --> src/neat/client.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Client {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub(super) fn get_species(&self) -> Rc<RefCell<Species>> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub(super) fn get_calculator(&self) -> Option<Rc<Calculator<fn(f64)->f64>>> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reset` and `get_representative` are never used
[INFO] [stdout]    --> src/neat/species.rs:91:19
[INFO] [stdout]     |
[INFO] [stdout] 24  | impl Species {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub(super) fn reset(&mut self, default_species: &Rc<RefCell<Species>>) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn get_representative(&self) -> Option<Rc<RefCell<Client>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/feed_forward/calculator/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         &mut to_node.borrow_mut().connections.push(Rc::new(new_connection));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = &mut to_node.borrow_mut().connections.push(Rc::new(new_connection));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ReLU` should have a snake case name
[INFO] [stdout]   --> src/activation_functions.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn ReLU(input: f64) -> f64 {
[INFO] [stdout]    |            ^^^^ help: convert the identifier to snake case: `re_lu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C1` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     C1: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C2` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     C2: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C3` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     C3: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C1` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:71:41
[INFO] [stdout]    |
[INFO] [stdout] 71 |                proportion_to_kill: f64, C1: f64,
[INFO] [stdout]    |                                         ^^ help: convert the identifier to snake case (notice the capitalization): `c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C2` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |                C2: f64, C3: f64,
[INFO] [stdout]    |                ^^ help: convert the identifier to snake case (notice the capitalization): `c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C3` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |                C2: f64, C3: f64,
[INFO] [stdout]    |                         ^^ help: convert the identifier to snake case (notice the capitalization): `c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/feed_forward/calculator/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/feed_forward/tests.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut genome = get_testing_genome_0();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/neat/species.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         for i in 0..number_to_cull {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neat/species.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut random_client1_ref: Rc<RefCell<Client>>;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neat/species.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut random_client2_ref: Rc<RefCell<Client>>;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_innovation_number` is never used
[INFO] [stdout]  --> src/feed_forward/gene.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Gene {
[INFO] [stdout]   |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 4 |     fn set_innovation_number(&mut self, innovation_number: usize);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/random_hash_set.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<T> RandomHashSet<T> where
[INFO] [stdout] 16 | |     T: Eq, {
[INFO] [stdout]    | |__________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub fn insert(&mut self, object: Rc<T>, index: usize) -> bool {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivativeFunctions` is never constructed
[INFO] [stdout]  --> src/activation_functions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct DerivativeFunctions {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_species` and `get_calculator` are never used
[INFO] [stdout]   --> src/neat/client.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Client {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub(super) fn get_species(&self) -> Rc<RefCell<Species>> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub(super) fn get_calculator(&self) -> Option<Rc<Calculator<fn(f64)->f64>>> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reset` and `get_representative` are never used
[INFO] [stdout]    --> src/neat/species.rs:91:19
[INFO] [stdout]     |
[INFO] [stdout] 24  | impl Species {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub(super) fn reset(&mut self, default_species: &Rc<RefCell<Species>>) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn get_representative(&self) -> Option<Rc<RefCell<Client>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/feed_forward/calculator/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         &mut to_node.borrow_mut().connections.push(Rc::new(new_connection));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = &mut to_node.borrow_mut().connections.push(Rc::new(new_connection));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ReLU` should have a snake case name
[INFO] [stdout]   --> src/activation_functions.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn ReLU(input: f64) -> f64 {
[INFO] [stdout]    |            ^^^^ help: convert the identifier to snake case: `re_lu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C1` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     C1: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C2` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     C2: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C3` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     C3: f64,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C1` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:71:41
[INFO] [stdout]    |
[INFO] [stdout] 71 |                proportion_to_kill: f64, C1: f64,
[INFO] [stdout]    |                                         ^^ help: convert the identifier to snake case (notice the capitalization): `c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C2` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |                C2: f64, C3: f64,
[INFO] [stdout]    |                ^^ help: convert the identifier to snake case (notice the capitalization): `c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C3` should have a snake case name
[INFO] [stdout]   --> src/neat/mod.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |                C2: f64, C3: f64,
[INFO] [stdout]    |                         ^^ help: convert the identifier to snake case (notice the capitalization): `c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "a34271202e6a99ba7ae5706e909d1a4301e5167bdd50dd424fe8f19dff7b3813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34271202e6a99ba7ae5706e909d1a4301e5167bdd50dd424fe8f19dff7b3813", kill_on_drop: false }`
[INFO] [stdout] a34271202e6a99ba7ae5706e909d1a4301e5167bdd50dd424fe8f19dff7b3813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5abe8034b1fca7daf7fc7ac5e85aef5ec0a4f8516a9304ccc152af9369e4e28
[INFO] running `Command { std: "docker" "start" "-a" "c5abe8034b1fca7daf7fc7ac5e85aef5ec0a4f8516a9304ccc152af9369e4e28", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stderr]  --> src/feed_forward/calculator/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::hash_map::RandomState;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/neat/species.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |         for i in 0..number_to_cull {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[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/neat/species.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut random_client1_ref: Rc<RefCell<Client>>;
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/neat/species.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let mut random_client2_ref: Rc<RefCell<Client>>;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_innovation_number` is never used
[INFO] [stderr]  --> src/feed_forward/gene.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Gene {
[INFO] [stderr]   |           ---- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 4 |     fn set_innovation_number(&mut self, innovation_number: usize);
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `HashSetRemoveTypes` is never used
[INFO] [stderr]  --> src/random_hash_set.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub(crate) enum HashSetRemoveTypes<T> where
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `insert` and `remove` are never used
[INFO] [stderr]   --> src/random_hash_set.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | / impl<T> RandomHashSet<T> where
[INFO] [stderr] 16 | |     T: Eq, {
[INFO] [stderr]    | |__________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 56 |       pub fn insert(&mut self, object: Rc<T>, index: usize) -> bool {
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |       pub fn remove(&mut self, to_remove: HashSetRemoveTypes<T>) -> bool {
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DerivativeFunctions` is never constructed
[INFO] [stderr]  --> src/activation_functions.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct DerivativeFunctions {}
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_species` and `get_calculator` are never used
[INFO] [stderr]   --> src/neat/client.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Client {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub(super) fn get_species(&self) -> Rc<RefCell<Species>> {
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub(super) fn get_calculator(&self) -> Option<Rc<Calculator<fn(f64)->f64>>> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `reset` and `get_representative` are never used
[INFO] [stderr]    --> src/neat/species.rs:91:19
[INFO] [stderr]     |
[INFO] [stderr] 24  | impl Species {
[INFO] [stderr]     | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 91  |     pub(super) fn reset(&mut self, default_species: &Rc<RefCell<Species>>) {
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 174 |     fn get_representative(&self) -> Option<Rc<RefCell<Client>>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/feed_forward/calculator/mod.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         &mut to_node.borrow_mut().connections.push(Rc::new(new_connection));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let _ = &mut to_node.borrow_mut().connections.push(Rc::new(new_connection));
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: method `ReLU` should have a snake case name
[INFO] [stderr]   --> src/activation_functions.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn ReLU(input: f64) -> f64 {
[INFO] [stderr]    |            ^^^^ help: convert the identifier to snake case: `re_lu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `C1` should have a snake case name
[INFO] [stderr]   --> src/neat/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     C1: f64,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c1`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `C2` should have a snake case name
[INFO] [stderr]   --> src/neat/mod.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     C2: f64,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c2`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `C3` should have a snake case name
[INFO] [stderr]   --> src/neat/mod.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     C3: f64,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `c3`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C1` should have a snake case name
[INFO] [stderr]   --> src/neat/mod.rs:71:41
[INFO] [stderr]    |
[INFO] [stderr] 71 |                proportion_to_kill: f64, C1: f64,
[INFO] [stderr]    |                                         ^^ help: convert the identifier to snake case (notice the capitalization): `c1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C2` should have a snake case name
[INFO] [stderr]   --> src/neat/mod.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |                C2: f64, C3: f64,
[INFO] [stderr]    |                ^^ help: convert the identifier to snake case (notice the capitalization): `c2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C3` should have a snake case name
[INFO] [stderr]   --> src/neat/mod.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |                C2: f64, C3: f64,
[INFO] [stderr]    |                         ^^ help: convert the identifier to snake case (notice the capitalization): `c3`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/feed_forward/tests.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let mut genome = get_testing_genome_0();
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/neat/species.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut random_client1_ref: Rc<RefCell<Client>>;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `insert` is never used
[INFO] [stderr]   --> src/random_hash_set.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | / impl<T> RandomHashSet<T> where
[INFO] [stderr] 16 | |     T: Eq, {
[INFO] [stderr]    | |__________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 56 |       pub fn insert(&mut self, object: Rc<T>, index: usize) -> bool {
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_machine_learning_library` (lib) generated 18 warnings (run `cargo fix --lib -p rust_machine_learning_library` to apply 3 suggestions)
[INFO] [stderr] warning: `rust_machine_learning_library` (lib test) generated 18 warnings (15 duplicates) (run `cargo fix --lib -p rust_machine_learning_library --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_machine_learning_library-850bfa3c0244b82e)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test feed_forward::calculator::connection::tests::get_weighted_connection_value_returns_as_expected_with_doctored_node_output ... ok
[INFO] [stdout] test feed_forward::calculator::connection::tests::new_connection_has_weight_and_node_given ... ok
[INFO] [stdout] test neat::genome_neat_tests::test_distance_function ... ignored
[INFO] [stdout] test feed_forward::tests::test_calculator ... ok
[INFO] [stdout] test neat::genome_neat_tests::test_mutate_add_connection ... ok
[INFO] [stdout] test neat::species::tests::test_new_species ... ignored
[INFO] [stdout] test neat::genome_neat_tests::test_mutate_add_node ... ok
[INFO] [stdout] test neat::genome_neat_tests::test_mutate_random_weight ... ok
[INFO] [stdout] test tests::test_random_hash_set ... ok
[INFO] [stdout] test neat::genome_neat_tests::test_mutate_toggle_connection ... ok
[INFO] [stdout] test tests::test_ref_cell_in_random_hash_set ... ok
[INFO] [stdout] test neat::genome_neat_tests::test_breeding ... ok
[INFO] [stdout] test neat::genome_neat_tests::test_mutate_weight_shift ... ok
[INFO] [stdout] test feed_forward::calculator::connection::tests::get_weighted_connection_value_panics_with_new_node - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_machine_learning_library
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5abe8034b1fca7daf7fc7ac5e85aef5ec0a4f8516a9304ccc152af9369e4e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5abe8034b1fca7daf7fc7ac5e85aef5ec0a4f8516a9304ccc152af9369e4e28", kill_on_drop: false }`
[INFO] [stdout] c5abe8034b1fca7daf7fc7ac5e85aef5ec0a4f8516a9304ccc152af9369e4e28
