[INFO] cloning repository https://github.com/gregberns/rs-wiringpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregberns/rs-wiringpi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregberns%2Frs-wiringpi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregberns%2Frs-wiringpi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04415b22db9335ff6c1ce90762942c49ccf01f97
[INFO] checking gregberns/rs-wiringpi against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregberns%2Frs-wiringpi" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregberns/rs-wiringpi on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregberns/rs-wiringpi
[INFO] finished tweaking git repo https://github.com/gregberns/rs-wiringpi
[INFO] tweaked toml for git repo https://github.com/gregberns/rs-wiringpi written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/gregberns/rs-wiringpi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9764f9862b5c31c7a7e77fa6109e039ce284d3143ed10a2ee402136287d6f70b
[INFO] running `Command { std: "docker" "start" "-a" "9764f9862b5c31c7a7e77fa6109e039ce284d3143ed10a2ee402136287d6f70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9764f9862b5c31c7a7e77fa6109e039ce284d3143ed10a2ee402136287d6f70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9764f9862b5c31c7a7e77fa6109e039ce284d3143ed10a2ee402136287d6f70b", kill_on_drop: false }`
[INFO] [stdout] 9764f9862b5c31c7a7e77fa6109e039ce284d3143ed10a2ee402136287d6f70b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b97f380156d322422a6de80b6053ac301ef7b52e14c712fbb2af7be0f6b20b
[INFO] running `Command { std: "docker" "start" "-a" "f7b97f380156d322422a6de80b6053ac301ef7b52e14c712fbb2af7be0f6b20b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rs-wiringpi v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (6 fixes)
[INFO] [stderr]        Fixed src/wiringpi.rs (2 fixes)
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Forward`
[INFO] [stdout]  --> src/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Forward,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Backward`
[INFO] [stdout]  --> src/model.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Backward,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnRight`
[INFO] [stdout]  --> src/model.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     TurnRight,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnLeft`
[INFO] [stdout]  --> src/model.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TurnLeft,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]  --> src/model.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Stop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kill`
[INFO] [stdout]  --> src/model.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Kill,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Vehicle`
[INFO] [stdout]  --> src/wiringpi.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Vehicle {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/wiringpi.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Vehicle {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_command`
[INFO] [stdout]   --> src/wiringpi.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn send_command(&mut self, command: Command) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digitalRead`
[INFO] [stdout]    --> src/wiringpi.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn digitalRead(pin: c_int) -> c_int;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pullUpDnControl`
[INFO] [stdout]    --> src/wiringpi.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn pullUpDnControl(pin: c_int, pud: c_int);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wiringPiISR`
[INFO] [stdout]    --> src/wiringpi.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IRIN`
[INFO] [stdout]    --> src/wiringpi.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | const IRIN: c_int = 5;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INPUT`
[INFO] [stdout]    --> src/wiringpi.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | const INPUT: c_int = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT_EDGE_FALLING`
[INFO] [stdout]    --> src/wiringpi.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | const INT_EDGE_FALLING: c_int = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_OFF`
[INFO] [stdout]    --> src/wiringpi.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout] 172 | const PUD_OFF: c_int = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_DOWN`
[INFO] [stdout]    --> src/wiringpi.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | const PUD_DOWN: c_int = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_UP`
[INFO] [stdout]    --> src/wiringpi.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | const PUD_UP: c_int = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IR_LIMITS`
[INFO] [stdout]    --> src/wiringpi.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | const IR_LIMITS: usize = 64; // bytes buffer = IR_LIMITS x8 bits
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TRIG`
[INFO] [stdout]    --> src/wiringpi.rs:216:1
[INFO] [stdout]     |
[INFO] [stdout] 216 | const TRIG: i32 = 25;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ECHO`
[INFO] [stdout]    --> src/wiringpi.rs:217:1
[INFO] [stdout]     |
[INFO] [stdout] 217 | const ECHO: i32 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_distance_measure`
[INFO] [stdout]    --> src/wiringpi.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn init_distance_measure() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_measure`
[INFO] [stdout]    --> src/wiringpi.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn distance_measure() -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert_ms_to_cm`
[INFO] [stdout]    --> src/wiringpi.rs:286:4
[INFO] [stdout]     |
[INFO] [stdout] 286 | fn convert_ms_to_cm(usec: u128) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `irInit`
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ir`
[INFO] [stdout]    --> src/wiringpi.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn get_ir() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_low`
[INFO] [stdout]    --> src/wiringpi.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn count_low() -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sleep_ms`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn sleep_ms(duration_ms: u64) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_action`
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn next_action(current_value: i32) -> Command {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fn()`, which is not FFI-safe
[INFO] [stdout]    --> src/wiringpi.rs:159:57
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |                                                         ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `irInit` should have a snake case name
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `ir_init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Forward`
[INFO] [stdout]  --> src/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Forward,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Backward`
[INFO] [stdout]  --> src/model.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Backward,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnRight`
[INFO] [stdout]  --> src/model.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     TurnRight,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnLeft`
[INFO] [stdout]  --> src/model.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TurnLeft,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]  --> src/model.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Stop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kill`
[INFO] [stdout]  --> src/model.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Kill,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Vehicle`
[INFO] [stdout]  --> src/wiringpi.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Vehicle {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/wiringpi.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Vehicle {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_command`
[INFO] [stdout]   --> src/wiringpi.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn send_command(&mut self, command: Command) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digitalRead`
[INFO] [stdout]    --> src/wiringpi.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn digitalRead(pin: c_int) -> c_int;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pullUpDnControl`
[INFO] [stdout]    --> src/wiringpi.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn pullUpDnControl(pin: c_int, pud: c_int);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wiringPiISR`
[INFO] [stdout]    --> src/wiringpi.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IRIN`
[INFO] [stdout]    --> src/wiringpi.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | const IRIN: c_int = 5;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INPUT`
[INFO] [stdout]    --> src/wiringpi.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | const INPUT: c_int = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT_EDGE_FALLING`
[INFO] [stdout]    --> src/wiringpi.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | const INT_EDGE_FALLING: c_int = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_OFF`
[INFO] [stdout]    --> src/wiringpi.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout] 172 | const PUD_OFF: c_int = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_DOWN`
[INFO] [stdout]    --> src/wiringpi.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | const PUD_DOWN: c_int = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_UP`
[INFO] [stdout]    --> src/wiringpi.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | const PUD_UP: c_int = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IR_LIMITS`
[INFO] [stdout]    --> src/wiringpi.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | const IR_LIMITS: usize = 64; // bytes buffer = IR_LIMITS x8 bits
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TRIG`
[INFO] [stdout]    --> src/wiringpi.rs:216:1
[INFO] [stdout]     |
[INFO] [stdout] 216 | const TRIG: i32 = 25;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ECHO`
[INFO] [stdout]    --> src/wiringpi.rs:217:1
[INFO] [stdout]     |
[INFO] [stdout] 217 | const ECHO: i32 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_distance_measure`
[INFO] [stdout]    --> src/wiringpi.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn init_distance_measure() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_measure`
[INFO] [stdout]    --> src/wiringpi.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn distance_measure() -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `irInit`
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ir`
[INFO] [stdout]    --> src/wiringpi.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn get_ir() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_low`
[INFO] [stdout]    --> src/wiringpi.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn count_low() -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sleep_ms`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn sleep_ms(duration_ms: u64) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_action`
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn next_action(current_value: i32) -> Command {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fn()`, which is not FFI-safe
[INFO] [stdout]    --> src/wiringpi.rs:159:57
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |                                                         ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `irInit` should have a snake case name
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `ir_init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.03s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rs-wiringpi v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Forward`
[INFO] [stdout]  --> src/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Forward,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Backward`
[INFO] [stdout]  --> src/model.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Backward,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnRight`
[INFO] [stdout]  --> src/model.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     TurnRight,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnLeft`
[INFO] [stdout]  --> src/model.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TurnLeft,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]  --> src/model.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Stop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kill`
[INFO] [stdout]  --> src/model.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Kill,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Vehicle`
[INFO] [stdout]  --> src/wiringpi.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Vehicle {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/wiringpi.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Vehicle {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_command`
[INFO] [stdout]   --> src/wiringpi.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn send_command(&mut self, command: Command) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digitalRead`
[INFO] [stdout]    --> src/wiringpi.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn digitalRead(pin: c_int) -> c_int;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pullUpDnControl`
[INFO] [stdout]    --> src/wiringpi.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn pullUpDnControl(pin: c_int, pud: c_int);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wiringPiISR`
[INFO] [stdout]    --> src/wiringpi.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IRIN`
[INFO] [stdout]    --> src/wiringpi.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | const IRIN: c_int = 5;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INPUT`
[INFO] [stdout]    --> src/wiringpi.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | const INPUT: c_int = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT_EDGE_FALLING`
[INFO] [stdout]    --> src/wiringpi.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | const INT_EDGE_FALLING: c_int = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_OFF`
[INFO] [stdout]    --> src/wiringpi.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout] 172 | const PUD_OFF: c_int = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_DOWN`
[INFO] [stdout]    --> src/wiringpi.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | const PUD_DOWN: c_int = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_UP`
[INFO] [stdout]    --> src/wiringpi.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | const PUD_UP: c_int = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IR_LIMITS`
[INFO] [stdout]    --> src/wiringpi.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | const IR_LIMITS: usize = 64; // bytes buffer = IR_LIMITS x8 bits
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TRIG`
[INFO] [stdout]    --> src/wiringpi.rs:216:1
[INFO] [stdout]     |
[INFO] [stdout] 216 | const TRIG: i32 = 25;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ECHO`
[INFO] [stdout]    --> src/wiringpi.rs:217:1
[INFO] [stdout]     |
[INFO] [stdout] 217 | const ECHO: i32 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_distance_measure`
[INFO] [stdout]    --> src/wiringpi.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn init_distance_measure() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_measure`
[INFO] [stdout]    --> src/wiringpi.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn distance_measure() -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `irInit`
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ir`
[INFO] [stdout]    --> src/wiringpi.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn get_ir() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_low`
[INFO] [stdout]    --> src/wiringpi.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn count_low() -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sleep_ms`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn sleep_ms(duration_ms: u64) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_action`
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn next_action(current_value: i32) -> Command {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fn()`, which is not FFI-safe
[INFO] [stdout]    --> src/wiringpi.rs:159:57
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |                                                         ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `irInit` should have a snake case name
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `ir_init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Forward`
[INFO] [stdout]  --> src/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Forward,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Backward`
[INFO] [stdout]  --> src/model.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Backward,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnRight`
[INFO] [stdout]  --> src/model.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     TurnRight,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnLeft`
[INFO] [stdout]  --> src/model.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TurnLeft,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]  --> src/model.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Stop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kill`
[INFO] [stdout]  --> src/model.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Kill,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Vehicle`
[INFO] [stdout]  --> src/wiringpi.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Vehicle {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/wiringpi.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Vehicle {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_command`
[INFO] [stdout]   --> src/wiringpi.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn send_command(&mut self, command: Command) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digitalRead`
[INFO] [stdout]    --> src/wiringpi.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn digitalRead(pin: c_int) -> c_int;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pullUpDnControl`
[INFO] [stdout]    --> src/wiringpi.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn pullUpDnControl(pin: c_int, pud: c_int);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wiringPiISR`
[INFO] [stdout]    --> src/wiringpi.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IRIN`
[INFO] [stdout]    --> src/wiringpi.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | const IRIN: c_int = 5;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INPUT`
[INFO] [stdout]    --> src/wiringpi.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | const INPUT: c_int = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT_EDGE_FALLING`
[INFO] [stdout]    --> src/wiringpi.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | const INT_EDGE_FALLING: c_int = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_OFF`
[INFO] [stdout]    --> src/wiringpi.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout] 172 | const PUD_OFF: c_int = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_DOWN`
[INFO] [stdout]    --> src/wiringpi.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | const PUD_DOWN: c_int = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PUD_UP`
[INFO] [stdout]    --> src/wiringpi.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | const PUD_UP: c_int = 2;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IR_LIMITS`
[INFO] [stdout]    --> src/wiringpi.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | const IR_LIMITS: usize = 64; // bytes buffer = IR_LIMITS x8 bits
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TRIG`
[INFO] [stdout]    --> src/wiringpi.rs:216:1
[INFO] [stdout]     |
[INFO] [stdout] 216 | const TRIG: i32 = 25;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ECHO`
[INFO] [stdout]    --> src/wiringpi.rs:217:1
[INFO] [stdout]     |
[INFO] [stdout] 217 | const ECHO: i32 = 4;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_distance_measure`
[INFO] [stdout]    --> src/wiringpi.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn init_distance_measure() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_measure`
[INFO] [stdout]    --> src/wiringpi.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn distance_measure() -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert_ms_to_cm`
[INFO] [stdout]    --> src/wiringpi.rs:286:4
[INFO] [stdout]     |
[INFO] [stdout] 286 | fn convert_ms_to_cm(usec: u128) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `irInit`
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_ir`
[INFO] [stdout]    --> src/wiringpi.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn get_ir() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_low`
[INFO] [stdout]    --> src/wiringpi.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn count_low() -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sleep_ms`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn sleep_ms(duration_ms: u64) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_action`
[INFO] [stdout]   --> src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn next_action(current_value: i32) -> Command {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fn()`, which is not FFI-safe
[INFO] [stdout]    --> src/wiringpi.rs:159:57
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |                                                         ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `irInit` should have a snake case name
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `ir_init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "f7b97f380156d322422a6de80b6053ac301ef7b52e14c712fbb2af7be0f6b20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b97f380156d322422a6de80b6053ac301ef7b52e14c712fbb2af7be0f6b20b", kill_on_drop: false }`
[INFO] [stdout] f7b97f380156d322422a6de80b6053ac301ef7b52e14c712fbb2af7be0f6b20b