[INFO] cloning repository https://github.com/owenpmckenna/BasicLidarSLAM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/owenpmckenna/BasicLidarSLAM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowenpmckenna%2FBasicLidarSLAM", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4b1b6ef9579fe4eeeef168c2e5f65679dc301bb
[INFO] testing owenpmckenna/BasicLidarSLAM against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowenpmckenna%2FBasicLidarSLAM" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/owenpmckenna/BasicLidarSLAM
[INFO] finished tweaking git repo https://github.com/owenpmckenna/BasicLidarSLAM
[INFO] tweaked toml for git repo https://github.com/owenpmckenna/BasicLidarSLAM written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/owenpmckenna/BasicLidarSLAM on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/owenpmckenna/BasicLidarSLAM 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "426671466a66e618cc29e665c856d5ce169695bfa6f84edd0fe3c91e1c63c8d7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b31f09449d95b721c76f9c8e81451385a4c73be24ede466dc2ccba4207a4db
[INFO] running `Command { std: "docker" "start" "-a" "01b31f09449d95b721c76f9c8e81451385a4c73be24ede466dc2ccba4207a4db", kill_on_drop: false }`
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[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling plotters-bitmap v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rplidar_drv_rs v0.7.0
[INFO] [stderr]    Compiling BasicLidarSLAM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Thread` and `sleep`
[INFO] [stdout]  --> src/main.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread::{sleep, Thread};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Channel`, `RplidarHostProtocol`, `RposError`, and `ScanOptions`
[INFO] [stdout]   --> src/main.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rplidar_drv::{Channel, RplidarHostProtocol, RposError, ScanOptions};
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DataBits`, `FlowControl`, `Parity`, `SerialPortSettings`, and `StopBits`
[INFO] [stdout]   --> src/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serialport::{DataBits, FlowControl, Parity, SerialPortSettings, StopBits};
[INFO] [stdout]    |                  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `polar_to_cartesian_radians` is never used
[INFO] [stdout]   --> src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn polar_to_cartesian_radians(radius: f32, theta_radians: f32) -> (f32, f32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `polar_to_cartesian_radians` is never used
[INFO] [stdout]  --> src/Lidar.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn polar_to_cartesian_radians(radius: f32, theta_radians: f32) -> (f32, f32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `grab_single_point` and `read_single_point` are never used
[INFO] [stdout]    --> src/Lidar.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl LidarUnit {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  72 |     fn grab_single_point(&mut self) -> Result<(f32, f32), ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub(crate) fn read_single_point(&mut self) -> Result<(), ()> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Lidar` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Lidar;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `lidar`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/Lidar.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         dev.grab_scan_point();//Ignore result
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = dev.grab_scan_point();//Ignore result
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.28s
[INFO] running `Command { std: "docker" "inspect" "01b31f09449d95b721c76f9c8e81451385a4c73be24ede466dc2ccba4207a4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b31f09449d95b721c76f9c8e81451385a4c73be24ede466dc2ccba4207a4db", kill_on_drop: false }`
[INFO] [stdout] 01b31f09449d95b721c76f9c8e81451385a4c73be24ede466dc2ccba4207a4db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6c0070d80e18a0ff01408c3517bef89f4bf2bf94ca0c2b623505fc58f12c21a
[INFO] running `Command { std: "docker" "start" "-a" "a6c0070d80e18a0ff01408c3517bef89f4bf2bf94ca0c2b623505fc58f12c21a", kill_on_drop: false }`
[INFO] [stderr]    Compiling BasicLidarSLAM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Thread` and `sleep`
[INFO] [stdout]  --> src/main.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread::{sleep, Thread};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Channel`, `RplidarHostProtocol`, `RposError`, and `ScanOptions`
[INFO] [stdout]   --> src/main.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rplidar_drv::{Channel, RplidarHostProtocol, RposError, ScanOptions};
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DataBits`, `FlowControl`, `Parity`, `SerialPortSettings`, and `StopBits`
[INFO] [stdout]   --> src/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use serialport::{DataBits, FlowControl, Parity, SerialPortSettings, StopBits};
[INFO] [stdout]    |                  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `polar_to_cartesian_radians` is never used
[INFO] [stdout]   --> src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn polar_to_cartesian_radians(radius: f32, theta_radians: f32) -> (f32, f32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `polar_to_cartesian_radians` is never used
[INFO] [stdout]  --> src/Lidar.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn polar_to_cartesian_radians(radius: f32, theta_radians: f32) -> (f32, f32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `grab_single_point` and `read_single_point` are never used
[INFO] [stdout]    --> src/Lidar.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl LidarUnit {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  72 |     fn grab_single_point(&mut self) -> Result<(f32, f32), ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub(crate) fn read_single_point(&mut self) -> Result<(), ()> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Lidar` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Lidar;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `lidar`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/Lidar.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         dev.grab_scan_point();//Ignore result
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = dev.grab_scan_point();//Ignore result
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "a6c0070d80e18a0ff01408c3517bef89f4bf2bf94ca0c2b623505fc58f12c21a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c0070d80e18a0ff01408c3517bef89f4bf2bf94ca0c2b623505fc58f12c21a", kill_on_drop: false }`
[INFO] [stdout] a6c0070d80e18a0ff01408c3517bef89f4bf2bf94ca0c2b623505fc58f12c21a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83e092e336b067388eb836ce99c8e00d9fb5f3db8c9128d93f1864357718409e
[INFO] running `Command { std: "docker" "start" "-a" "83e092e336b067388eb836ce99c8e00d9fb5f3db8c9128d93f1864357718409e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp::max;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Thread` and `sleep`
[INFO] [stderr]  --> src/main.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread::{sleep, Thread};
[INFO] [stderr]   |                   ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Channel`, `RplidarHostProtocol`, `RposError`, and `ScanOptions`
[INFO] [stderr]   --> src/main.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rplidar_drv::{Channel, RplidarHostProtocol, RposError, ScanOptions};
[INFO] [stderr]    |                   ^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DataBits`, `FlowControl`, `Parity`, `SerialPortSettings`, and `StopBits`
[INFO] [stderr]   --> src/main.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 | use serialport::{DataBits, FlowControl, Parity, SerialPortSettings, StopBits};
[INFO] [stderr]    |                  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `polar_to_cartesian_radians` is never used
[INFO] [stderr]   --> src/main.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn polar_to_cartesian_radians(radius: f32, theta_radians: f32) -> (f32, f32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `polar_to_cartesian_radians` is never used
[INFO] [stderr]  --> src/Lidar.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn polar_to_cartesian_radians(radius: f32, theta_radians: f32) -> (f32, f32) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `grab_single_point` and `read_single_point` are never used
[INFO] [stderr]    --> src/Lidar.rs:72:8
[INFO] [stderr]     |
[INFO] [stderr]  21 | impl LidarUnit {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  72 |     fn grab_single_point(&mut self) -> Result<(f32, f32), ()> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     pub(crate) fn read_single_point(&mut self) -> Result<(), ()> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Lidar` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod Lidar;
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case: `lidar`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/Lidar.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         dev.grab_scan_point();//Ignore result
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let _ = dev.grab_scan_point();//Ignore result
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `BasicLidarSLAM` (bin "BasicLidarSLAM" test) generated 12 warnings (run `cargo fix --bin "BasicLidarSLAM" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/BasicLidarSLAM-b8339a4894a336b6)
[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" "83e092e336b067388eb836ce99c8e00d9fb5f3db8c9128d93f1864357718409e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e092e336b067388eb836ce99c8e00d9fb5f3db8c9128d93f1864357718409e", kill_on_drop: false }`
[INFO] [stdout] 83e092e336b067388eb836ce99c8e00d9fb5f3db8c9128d93f1864357718409e