[INFO] updating cached repository https://github.com/bcamp1/neat-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cb44f6f411a50cb53fb51adade4682f3bc437a8
[INFO] checking bcamp1/neat-rs against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbcamp1%2Fneat-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bcamp1/neat-rs on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bcamp1/neat-rs
[INFO] finished tweaking git repo https://github.com/bcamp1/neat-rs
[INFO] tweaked toml for git repo https://github.com/bcamp1/neat-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bcamp1/neat-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9cacf8048557d46f74a6094a36cf991459e8264e4b7f68007e7a32b6deaa29fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9cacf8048557d46f74a6094a36cf991459e8264e4b7f68007e7a32b6deaa29fb"`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking neat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `network::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use network::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::keyboard::KeyboardState`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use sdl2::keyboard::KeyboardState;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::keyboard::Scancode`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use sdl2::keyboard::Scancode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MouseState`
[INFO] [stderr]   --> src/main.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | use sdl2::mouse::{MouseState};
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `network::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use network::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::keyboard::KeyboardState`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use sdl2::keyboard::KeyboardState;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::keyboard::Scancode`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use sdl2::keyboard::Scancode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MouseState`
[INFO] [stderr]   --> src/main.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | use sdl2::mouse::{MouseState};
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `in_index` is never read
[INFO] [stderr]    --> src/network.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut in_index: usize = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `out_index` is never read
[INFO] [stderr]    --> src/network.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let mut out_index: usize = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `link_exists` is assigned to, but never used
[INFO] [stderr]    --> src/network.rs:255:25
[INFO] [stderr]     |
[INFO] [stderr] 255 |                     let mut link_exists = false;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_link_exists` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `link_exists` is never read
[INFO] [stderr]    --> src/network.rs:258:29
[INFO] [stderr]     |
[INFO] [stderr] 258 | ...                   link_exists = true;
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_thickness`
[INFO] [stderr]    --> src/network.rs:434:13
[INFO] [stderr]     |
[INFO] [stderr] 434 |         let line_thickness: u8 = 2;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_thickness`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inno_number`
[INFO] [stderr]   --> src/neat.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let mut inno_number: u32 = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inno_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/neat.rs:120:25
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn get_distance(a: &Network, b: &Network) -> f32 {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/neat.rs:120:38
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn get_distance(a: &Network, b: &Network) -> f32 {
[INFO] [stderr]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `in_index` is never read
[INFO] [stderr]    --> src/network.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut in_index: usize = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `out_index` is never read
[INFO] [stderr]    --> src/network.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let mut out_index: usize = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `link_exists` is assigned to, but never used
[INFO] [stderr]    --> src/network.rs:255:25
[INFO] [stderr]     |
[INFO] [stderr] 255 |                     let mut link_exists = false;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_link_exists` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `link_exists` is never read
[INFO] [stderr]    --> src/network.rs:258:29
[INFO] [stderr]     |
[INFO] [stderr] 258 | ...                   link_exists = true;
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_thickness`
[INFO] [stderr]    --> src/network.rs:434:13
[INFO] [stderr]     |
[INFO] [stderr] 434 |         let line_thickness: u8 = 2;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_thickness`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inno_number`
[INFO] [stderr]   --> src/neat.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let mut inno_number: u32 = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inno_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/neat.rs:120:25
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn get_distance(a: &Network, b: &Network) -> f32 {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/neat.rs:120:38
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn get_distance(a: &Network, b: &Network) -> f32 {
[INFO] [stderr]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/neat.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn evaluate_xor(mut n: Network) -> f32 {
[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.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let mut inno_number: u32 = 0;
[INFO] [stderr]    |                 ----^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/neat.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let mut n = Network::new(num_inputs, num_outputs);
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_bool`
[INFO] [stderr]   --> src/neat.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn random_bool() -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_distance`
[INFO] [stderr]    --> src/neat.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn get_distance(a: &Network, b: &Network) -> f32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/neat.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 network.add_random_node(&mut self.global_inno_number);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/neat.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn evaluate_xor(mut n: Network) -> f32 {
[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.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |             let mut inno_number: u32 = 0;
[INFO] [stderr]    |                 ----^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/neat.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let mut n = Network::new(num_inputs, num_outputs);
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_bool`
[INFO] [stderr]   --> src/neat.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn random_bool() -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_distance`
[INFO] [stderr]    --> src/neat.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn get_distance(a: &Network, b: &Network) -> f32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/neat.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 network.add_random_node(&mut self.global_inno_number);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `"docker" "inspect" "9cacf8048557d46f74a6094a36cf991459e8264e4b7f68007e7a32b6deaa29fb"`
[INFO] running `"docker" "rm" "-f" "9cacf8048557d46f74a6094a36cf991459e8264e4b7f68007e7a32b6deaa29fb"`
[INFO] [stdout] 9cacf8048557d46f74a6094a36cf991459e8264e4b7f68007e7a32b6deaa29fb