[INFO] cloning repository https://github.com/instance-id/hypercalibrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/instance-id/hypercalibrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstance-id%2Fhypercalibrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstance-id%2Fhypercalibrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8966c08de536c66d7564a0750631958f13a16552
[INFO] checking instance-id/hypercalibrate against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstance-id%2Fhypercalibrate" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/instance-id/hypercalibrate
[INFO] finished tweaking git repo https://github.com/instance-id/hypercalibrate
[INFO] tweaked toml for git repo https://github.com/instance-id/hypercalibrate written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/instance-id/hypercalibrate on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/instance-id/hypercalibrate 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-embed-utils v8.9.0
[INFO] [stderr]   Downloaded turbojpeg v1.3.3
[INFO] [stderr]   Downloaded rust-embed-impl v8.9.0
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[INFO] [stderr]   Downloaded rust-embed v8.9.0
[INFO] [stderr]   Downloaded turbojpeg-sys v1.1.1
[INFO] [stderr]   Downloaded imageproc v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60cab4b8882444978f5c0ade4f3e011e3f4f2155e61b8186c718d704b4a4c88e
[INFO] running `Command { std: "docker" "start" "-a" "60cab4b8882444978f5c0ade4f3e011e3f4f2155e61b8186c718d704b4a4c88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60cab4b8882444978f5c0ade4f3e011e3f4f2155e61b8186c718d704b4a4c88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cab4b8882444978f5c0ade4f3e011e3f4f2155e61b8186c718d704b4a4c88e", kill_on_drop: false }`
[INFO] [stdout] 60cab4b8882444978f5c0ade4f3e011e3f4f2155e61b8186c718d704b4a4c88e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a5c3970a6d441c1aad9e031d84aa52deff9badb71486d0cc6ed90d20a32eec4
[INFO] running `Command { std: "docker" "start" "-a" "6a5c3970a6d441c1aad9e031d84aa52deff9badb71486d0cc6ed90d20a32eec4", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/camera_controls.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Description`
[INFO] [stdout]   --> src/camera_controls.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use v4l::control::{Control, Description, Flags, MenuItem, Type, Value};
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/capture.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Thread-local turbojpeg decompressor for hardware-accelerated MJPEG decoding
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/capture.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing::{debug, info, warn};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/camera_controls.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Description`
[INFO] [stdout]   --> src/camera_controls.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use v4l::control::{Control, Description, Flags, MenuItem, Type, Value};
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/capture.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Thread-local turbojpeg decompressor for hardware-accelerated MJPEG decoding
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/capture.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing::{debug, info, warn};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/capture.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut yuyv_buffer = vec![0u8; yuyv_size];
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yuyv_buffer`
[INFO] [stdout]    --> src/capture.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut yuyv_buffer = vec![0u8; yuyv_size];
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yuyv_buffer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]    --> src/config.rs:136:22
[INFO] [stdout]     |
[INFO] [stdout] 136 |         if let Some((edge, t)) = edge_and_t {
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/capture.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut yuyv_buffer = vec![0u8; yuyv_size];
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `yuyv_buffer`
[INFO] [stdout]    --> src/capture.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut yuyv_buffer = vec![0u8; yuyv_size];
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yuyv_buffer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]    --> src/config.rs:136:22
[INFO] [stdout]     |
[INFO] [stdout] 136 |         if let Some((edge, t)) = edge_and_t {
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reset_calibration` is never used
[INFO] [stdout]    --> src/calibration.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn reset_calibration(cal: &mut Calibration) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_control_by_name`, `set_control_by_name`, `reset_control`, `export_settings`, and `import_settings` are never used
[INFO] [stdout]    --> src/camera_controls.rs:287:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl CameraControlsManager {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 287 |     pub fn get_control_by_name(&self, name: &str) -> Option<&CameraControl> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 323 |     pub fn set_control_by_name(&mut self, name: &str, value: ControlValue) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn reset_control(&mut self, id: u32) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 |     pub fn export_settings(&self) -> HashMap<String, ControlValue> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 405 |     pub fn import_settings(&mut self, settings: &HashMap<String, ControlValue>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CameraSettings` is never constructed
[INFO] [stdout]    --> src/camera_controls.rs:433:12
[INFO] [stdout]     |
[INFO] [stdout] 433 | pub struct CameraSettings {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_manager` and `apply_to_manager` are never used
[INFO] [stdout]    --> src/camera_controls.rs:441:12
[INFO] [stdout]     |
[INFO] [stdout] 439 | impl CameraSettings {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 440 |     /// Create from a controls manager
[INFO] [stdout] 441 |     pub fn from_manager(manager: &CameraControlsManager) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 459 |     pub fn apply_to_manager(&self, manager: &mut CameraControlsManager) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `as_str` and `all` are never used
[INFO] [stdout]   --> src/color.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl ColorSpace {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 37 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn all() -> &'static [ColorSpace] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/color.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl QuantizationRange {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 64 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_pixels` is never used
[INFO] [stdout]   --> src/config.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Point {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn from_pixels(px: f64, py: f64, width: u32, height: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V4L2_PIX_FMT_YUYV` is never used
[INFO] [stdout]   --> src/output.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 | const V4L2_PIX_FMT_YUYV: u32 = 0x56595559; // 'YUYV'
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V4L2_PIX_FMT_RGB24` is never used
[INFO] [stdout]   --> src/output.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | const V4L2_PIX_FMT_RGB24: u32 = 0x33424752; // 'RGB3'
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V4L2_PIX_FMT_BGR24` is never used
[INFO] [stdout]   --> src/output.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 | const V4L2_PIX_FMT_BGR24: u32 = 0x33524742; // 'BGR3'
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `matrix` is never read
[INFO] [stdout]   --> src/transform.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct PerspectiveTransform {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 24 |     /// The 3x3 transformation matrix stored in row-major order
[INFO] [stdout] 25 |     matrix: [f64; 9],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PerspectiveTransform` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `transform_point` and `warp_rgba` are never used
[INFO] [stdout]    --> src/transform.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl PerspectiveTransform {
[INFO] [stdout]     | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn transform_point(&self, x: f64, y: f64) -> (f64, f64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 317 |     pub fn warp_rgba(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bilinear_sample` is never used
[INFO] [stdout]    --> src/transform.rs:495:4
[INFO] [stdout]     |
[INFO] [stdout] 495 | fn bilinear_sample(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nearest_sample` is never used
[INFO] [stdout]    --> src/transform.rs:537:8
[INFO] [stdout]     |
[INFO] [stdout] 537 | pub fn nearest_sample(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/video_settings.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Resolution {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn display(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `has_changes` is never used
[INFO] [stdout]    --> src/video_settings.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl PendingVideoSettings {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] 116 |     pub fn has_changes(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src_x`
[INFO] [stdout]    --> src/transform.rs:855:14
[INFO] [stdout]     |
[INFO] [stdout] 855 |         let (src_x, src_y) = transform.lut[5 * 100 + 50]; // y=5, x=50 (near top center)
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_src_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reset_calibration` is never used
[INFO] [stdout]    --> src/calibration.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn reset_calibration(cal: &mut Calibration) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_control_by_name`, `set_control_by_name`, `reset_control`, `export_settings`, and `import_settings` are never used
[INFO] [stdout]    --> src/camera_controls.rs:287:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl CameraControlsManager {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 287 |     pub fn get_control_by_name(&self, name: &str) -> Option<&CameraControl> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 323 |     pub fn set_control_by_name(&mut self, name: &str, value: ControlValue) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn reset_control(&mut self, id: u32) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 |     pub fn export_settings(&self) -> HashMap<String, ControlValue> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 405 |     pub fn import_settings(&mut self, settings: &HashMap<String, ControlValue>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CameraSettings` is never constructed
[INFO] [stdout]    --> src/camera_controls.rs:433:12
[INFO] [stdout]     |
[INFO] [stdout] 433 | pub struct CameraSettings {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_manager` and `apply_to_manager` are never used
[INFO] [stdout]    --> src/camera_controls.rs:441:12
[INFO] [stdout]     |
[INFO] [stdout] 439 | impl CameraSettings {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 440 |     /// Create from a controls manager
[INFO] [stdout] 441 |     pub fn from_manager(manager: &CameraControlsManager) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 459 |     pub fn apply_to_manager(&self, manager: &mut CameraControlsManager) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `as_str` and `all` are never used
[INFO] [stdout]   --> src/color.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl ColorSpace {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 37 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn all() -> &'static [ColorSpace] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/color.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl QuantizationRange {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 64 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V4L2_PIX_FMT_YUYV` is never used
[INFO] [stdout]   --> src/output.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 | const V4L2_PIX_FMT_YUYV: u32 = 0x56595559; // 'YUYV'
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V4L2_PIX_FMT_RGB24` is never used
[INFO] [stdout]   --> src/output.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | const V4L2_PIX_FMT_RGB24: u32 = 0x33424752; // 'RGB3'
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V4L2_PIX_FMT_BGR24` is never used
[INFO] [stdout]   --> src/output.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 | const V4L2_PIX_FMT_BGR24: u32 = 0x33524742; // 'BGR3'
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `warp_rgba` is never used
[INFO] [stdout]    --> src/transform.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl PerspectiveTransform {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 317 |     pub fn warp_rgba(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bilinear_sample` is never used
[INFO] [stdout]    --> src/transform.rs:495:4
[INFO] [stdout]     |
[INFO] [stdout] 495 | fn bilinear_sample(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nearest_sample` is never used
[INFO] [stdout]    --> src/transform.rs:537:8
[INFO] [stdout]     |
[INFO] [stdout] 537 | pub fn nearest_sample(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "6a5c3970a6d441c1aad9e031d84aa52deff9badb71486d0cc6ed90d20a32eec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5c3970a6d441c1aad9e031d84aa52deff9badb71486d0cc6ed90d20a32eec4", kill_on_drop: false }`
[INFO] [stdout] 6a5c3970a6d441c1aad9e031d84aa52deff9badb71486d0cc6ed90d20a32eec4
