[INFO] cloning repository https://github.com/ThatCreeper/ai-kinda-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThatCreeper/ai-kinda-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatCreeper%2Fai-kinda-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatCreeper%2Fai-kinda-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 409b88ce893fa1d5c24250aa5a152b260a0d95b7
[INFO] checking ThatCreeper/ai-kinda-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatCreeper%2Fai-kinda-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatCreeper/ai-kinda-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThatCreeper/ai-kinda-rust
[INFO] finished tweaking git repo https://github.com/ThatCreeper/ai-kinda-rust
[INFO] tweaked toml for git repo https://github.com/ThatCreeper/ai-kinda-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatCreeper/ai-kinda-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0456725bbc137bfd1720186ec6e92fa301a6f9e1c5c9e0071237a932f4db5797
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0456725bbc137bfd1720186ec6e92fa301a6f9e1c5c9e0071237a932f4db5797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0456725bbc137bfd1720186ec6e92fa301a6f9e1c5c9e0071237a932f4db5797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0456725bbc137bfd1720186ec6e92fa301a6f9e1c5c9e0071237a932f4db5797", kill_on_drop: false }`
[INFO] [stdout] 0456725bbc137bfd1720186ec6e92fa301a6f9e1c5c9e0071237a932f4db5797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b372a744b1966350c81741e277a97e0c900e088d9c052dff3f25ff37a8965e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b372a744b1966350c81741e277a97e0c900e088d9c052dff3f25ff37a8965e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ai-kinda-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]  --> src/connection.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Connection {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Layer`
[INFO] [stdout]  --> src/layer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]   --> src/layer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn create() -> Layer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Network`
[INFO] [stdout]  --> src/network.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Network {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/network.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn create() -> Network {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_layer`
[INFO] [stdout]   --> src/network.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_layer(&mut self, layer: layer::Layer) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NeuronIO`
[INFO] [stdout]  --> src/neuron.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum NeuronIO {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Neuron`
[INFO] [stdout]  --> src/neuron.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Neuron {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `System`
[INFO] [stdout]  --> src/system.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct System {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/system.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn create() -> System {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_network`
[INFO] [stdout]   --> src/system.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn create_network(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_layer`
[INFO] [stdout]   --> src/system.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn create_layer(&mut self, net: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]  --> src/connection.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Connection {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Layer`
[INFO] [stdout]  --> src/layer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]   --> src/layer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn create() -> Layer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Network`
[INFO] [stdout]  --> src/network.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Network {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/network.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn create() -> Network {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_layer`
[INFO] [stdout]   --> src/network.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_layer(&mut self, layer: layer::Layer) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NeuronIO`
[INFO] [stdout]  --> src/neuron.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum NeuronIO {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Neuron`
[INFO] [stdout]  --> src/neuron.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Neuron {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `System`
[INFO] [stdout]  --> src/system.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct System {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/system.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn create() -> System {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_network`
[INFO] [stdout]   --> src/system.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn create_network(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_layer`
[INFO] [stdout]   --> src/system.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn create_layer(&mut self, net: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 08s
[INFO] running `Command { std: "docker" "inspect" "6b372a744b1966350c81741e277a97e0c900e088d9c052dff3f25ff37a8965e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b372a744b1966350c81741e277a97e0c900e088d9c052dff3f25ff37a8965e8", kill_on_drop: false }`
[INFO] [stdout] 6b372a744b1966350c81741e277a97e0c900e088d9c052dff3f25ff37a8965e8