[INFO] cloning repository https://github.com/szopqa/cnc-rustberry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szopqa/cnc-rustberry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszopqa%2Fcnc-rustberry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszopqa%2Fcnc-rustberry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c2bf411da477e5e06f69c8a67dafb1dcea91d43
[INFO] checking szopqa/cnc-rustberry against try#1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszopqa%2Fcnc-rustberry" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szopqa/cnc-rustberry on toolchain 1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/szopqa/cnc-rustberry
[INFO] finished tweaking git repo https://github.com/szopqa/cnc-rustberry
[INFO] tweaked toml for git repo https://github.com/szopqa/cnc-rustberry written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/szopqa/cnc-rustberry already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core-graphics v0.18.0
[INFO] [stderr]   Downloaded bresenham v0.1.1
[INFO] [stderr]   Downloaded enigo v0.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bad6669046271711e539da72350ed9596485f0c88825133bd368214370ea1f4
[INFO] running `Command { std: "docker" "start" "-a" "0bad6669046271711e539da72350ed9596485f0c88825133bd368214370ea1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bad6669046271711e539da72350ed9596485f0c88825133bd368214370ea1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bad6669046271711e539da72350ed9596485f0c88825133bd368214370ea1f4", kill_on_drop: false }`
[INFO] [stdout] 0bad6669046271711e539da72350ed9596485f0c88825133bd368214370ea1f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dae435da67516bb00ac42f2a982ace44ad857db8144edd9d16a1258e3cfd2f9b
[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" "dae435da67516bb00ac42f2a982ace44ad857db8144edd9d16a1258e3cfd2f9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bresenham v0.1.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling enigo v0.0.14
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking cnc-rustberry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Stepper`, `cnc_plotter_device::CncPlotterDevice`, `sg90::Sg90`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     cnc_plotter_device::CncPlotterDevice,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     servo::{servo::Servo, sg90::Sg90},
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 16 |     moveables::{moveable::Moveable, pc_mouse::PcMouseMoveable},
[INFO] [stdout] 17 |     stepper::{stepper::{Stepper, SteppingDirection}, uln2003::UlnStepperStepperDriver}
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stepper`, `cnc_plotter_device::CncPlotterDevice`, `sg90::Sg90`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     cnc_plotter_device::CncPlotterDevice,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     servo::{servo::Servo, sg90::Sg90},
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 16 |     moveables::{moveable::Moveable, pc_mouse::PcMouseMoveable},
[INFO] [stdout] 17 |     stepper::{stepper::{Stepper, SteppingDirection}, uln2003::UlnStepperStepperDriver}
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `servo::Servo`
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     servo::{servo::Servo, sg90::Sg90},
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/device/servo/sg90.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(output_pin: OutputPin) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CncPlotterDevice`
[INFO] [stdout]  --> src/device/cnc_plotter_device.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CncPlotterDevice {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/device/cnc_plotter_device.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(_marker_servo: Box<dyn Servo>) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/device/cnc_plotter_device.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn run(&mut self) -> () {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_z`
[INFO] [stdout]   --> src/device/moveables/moveable.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn set_z(&mut self, _z: Option<u8>) {self._z = _z;}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `SteppingDirection`
[INFO] [stdout]  --> src/device/stepper/stepper.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum SteppingDirection {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UlnStepperStepperDriver`
[INFO] [stdout]  --> src/device/stepper/uln2003.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct UlnStepperStepperDriver {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/device/stepper/uln2003.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(_gpio_output_pins: [u8;4]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evaluate_step`
[INFO] [stdout]   --> src/device/stepper/uln2003.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn evaluate_step (_stepping_mode: SteppingDirection) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_full_circle`
[INFO] [stdout]   --> src/device/stepper/uln2003.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn rotate_full_circle(&mut self, _stepping_mode: SteppingDirection) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_for_angle`
[INFO] [stdout]   --> src/device/stepper/uln2003.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn rotate_for_angle(&mut self, _angle: f32, _stepping_mode: SteppingDirection) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DrawablePlatform`
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct DrawablePlatform {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(x_resolution: i32, y_resolution: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw_line`
[INFO] [stdout]   --> src/main.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw_line(&mut self, to_x: i32, to_y: i32) -> () {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/main.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn draw(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GPIO_PWM`
[INFO] [stdout]   --> src/main.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | const GPIO_PWM: u8 = 23;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `X_AXIS_STEPPER_PINS`
[INFO] [stdout]   --> src/main.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | const X_AXIS_STEPPER_PINS: [u8; 4] = [19, 26, 20, 21];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `Y_AXIS_STEPPER_PINS`
[INFO] [stdout]   --> src/main.rs:86:1
[INFO] [stdout]    |
[INFO] [stdout] 86 | const Y_AXIS_STEPPER_PINS: [u8; 4] = [17, 22, 23, 24];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_hardware`
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn test_hardware() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_using_pc_mouse`
[INFO] [stdout]   --> src/main.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn draw_using_pc_mouse() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MANUAL_SERVO_DOWN_INPUT` should have a snake case name
[INFO] [stdout]   --> src/device/cnc_plotter_device.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let MANUAL_SERVO_DOWN_INPUT: String = String::from("d\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `manual_servo_down_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MANUAL_SERVO_UP_INPUT` should have a snake case name
[INFO] [stdout]   --> src/device/cnc_plotter_device.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let MANUAL_SERVO_UP_INPUT: String = String::from("u\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `manual_servo_up_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `servo::Servo`
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     servo::{servo::Servo, sg90::Sg90},
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/device/servo/sg90.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(output_pin: OutputPin) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CncPlotterDevice`
[INFO] [stdout]  --> src/device/cnc_plotter_device.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CncPlotterDevice {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/device/cnc_plotter_device.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(_marker_servo: Box<dyn Servo>) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/device/cnc_plotter_device.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn run(&mut self) -> () {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_z`
[INFO] [stdout]   --> src/device/moveables/moveable.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn set_z(&mut self, _z: Option<u8>) {self._z = _z;}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `SteppingDirection`
[INFO] [stdout]  --> src/device/stepper/stepper.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum SteppingDirection {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UlnStepperStepperDriver`
[INFO] [stdout]  --> src/device/stepper/uln2003.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct UlnStepperStepperDriver {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/device/stepper/uln2003.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(_gpio_output_pins: [u8;4]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `evaluate_step`
[INFO] [stdout]   --> src/device/stepper/uln2003.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn evaluate_step (_stepping_mode: SteppingDirection) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_full_circle`
[INFO] [stdout]   --> src/device/stepper/uln2003.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn rotate_full_circle(&mut self, _stepping_mode: SteppingDirection) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_for_angle`
[INFO] [stdout]   --> src/device/stepper/uln2003.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn rotate_for_angle(&mut self, _angle: f32, _stepping_mode: SteppingDirection) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DrawablePlatform`
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct DrawablePlatform {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(x_resolution: i32, y_resolution: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw_line`
[INFO] [stdout]   --> src/main.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw_line(&mut self, to_x: i32, to_y: i32) -> () {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/main.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn draw(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GPIO_PWM`
[INFO] [stdout]   --> src/main.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | const GPIO_PWM: u8 = 23;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `X_AXIS_STEPPER_PINS`
[INFO] [stdout]   --> src/main.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | const X_AXIS_STEPPER_PINS: [u8; 4] = [19, 26, 20, 21];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `Y_AXIS_STEPPER_PINS`
[INFO] [stdout]   --> src/main.rs:86:1
[INFO] [stdout]    |
[INFO] [stdout] 86 | const Y_AXIS_STEPPER_PINS: [u8; 4] = [17, 22, 23, 24];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_hardware`
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn test_hardware() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_using_pc_mouse`
[INFO] [stdout]   --> src/main.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn draw_using_pc_mouse() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MANUAL_SERVO_DOWN_INPUT` should have a snake case name
[INFO] [stdout]   --> src/device/cnc_plotter_device.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let MANUAL_SERVO_DOWN_INPUT: String = String::from("d\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `manual_servo_down_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MANUAL_SERVO_UP_INPUT` should have a snake case name
[INFO] [stdout]   --> src/device/cnc_plotter_device.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let MANUAL_SERVO_UP_INPUT: String = String::from("u\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `manual_servo_up_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "dae435da67516bb00ac42f2a982ace44ad857db8144edd9d16a1258e3cfd2f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae435da67516bb00ac42f2a982ace44ad857db8144edd9d16a1258e3cfd2f9b", kill_on_drop: false }`
[INFO] [stdout] dae435da67516bb00ac42f2a982ace44ad857db8144edd9d16a1258e3cfd2f9b