[INFO] updating cached repository https://github.com/crossdot/steelcfg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72ced9ca83bce37161773f81fb523e2b181b876a
[INFO] checking crossdot/steelcfg against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossdot%2Fsteelcfg" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crossdot/steelcfg on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/crossdot/steelcfg
[INFO] finished tweaking git repo https://github.com/crossdot/steelcfg
[INFO] tweaked toml for git repo https://github.com/crossdot/steelcfg written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/crossdot/steelcfg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23712437a92d45b34b9e74149280e048e473ae24b9e752d6cfb4c5b58ee5942b
[INFO] running `"docker" "start" "-a" "23712437a92d45b34b9e74149280e048e473ae24b9e752d6cfb4c5b58ee5942b"`
[INFO] [stderr]    Compiling hidapi v0.4.1
[INFO] [stderr]     Checking steelcfg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `byteorder`
[INFO] [stderr]  --> src/utils.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |         if (device_info.vendor_id == VID && device_info.product_id == PID) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `byteorder`
[INFO] [stderr]  --> src/utils.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |         if (device_info.vendor_id == VID && device_info.product_id == PID) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `led_index`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: consider prefixing with an underscore: `_led_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `colors`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:27:57
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                         ^^^^^^ help: consider prefixing with an underscore: `_colors`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `speed`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:27:72
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                                        ^^^^^ help: consider prefixing with an underscore: `_speed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_dpi(hid_device: &HidDevice, res_index: u8, dpi: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res_index`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_dpi(hid_device: &HidDevice, res_index: u8, dpi: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: consider prefixing with an underscore: `_res_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dpi`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:30:57
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_dpi(hid_device: &HidDevice, res_index: u8, dpi: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                         ^^^ help: consider prefixing with an underscore: `_dpi`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn write_report_rate(hid_device: &HidDevice, hz: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                          ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hz`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:33:50
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn write_report_rate(hid_device: &HidDevice, hz: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                  ^^ help: consider prefixing with an underscore: `_hz`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn save(hid_device: &HidDevice) -> Result<(), &'static str> {
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `speed`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:26:72
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                                        ^^^^^ help: consider prefixing with an underscore: `_speed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn save(hid_device: &HidDevice) -> Result<(), &'static str> {
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let res = hid_device.send_feature_report(&data).unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/protocol/proto_rival500.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/protocol/proto_rival500.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/protocol/proto_rival500.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]  --> src/utils.rs:5:36
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn from_big_endian(arr: &[u8], size: u16) -> u16 {
[INFO] [stderr]   |                                    ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]  --> src/utils.rs:9:39
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn from_little_endian(arr: &[u8], size: u16) -> u16 {
[INFO] [stderr]   |                                       ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Type`
[INFO] [stderr]  --> src/devices.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Type {
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ReportType`
[INFO] [stderr]  --> src/devices.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub enum ReportType {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Command`
[INFO] [stderr]   --> src/devices.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Command {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Device`
[INFO] [stderr]   --> src/devices.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct Device {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DEVICE`
[INFO] [stderr]   --> src/devices.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / pub static DEVICE : &'static [Device] = &[
[INFO] [stderr] 42 | |     Device {
[INFO] [stderr] 43 | |         name: "SteelSeries Rival 700 (Experimental)",
[INFO] [stderr] 44 | |         vid: 0x1038,
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |     }
[INFO] [stderr] 64 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_PROFILES`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const NUM_PROFILES: u16 = 1;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_BUTTONS`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const NUM_BUTTONS: u16 = 6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_DPI`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NUM_DPI: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_LED`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const NUM_LED: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MIN`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const DPI_MIN: u16 = 50;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MAX`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const DPI_MAX: u16 = 6500;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MULTIPLIER`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DPI_MULTIPLIER: u8 = 50;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_1`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const REPORT_ID_1: u8 =    0x01;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_2`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REPORT_ID_2: u8 =    0x02;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_SIZE`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const REPORT_SIZE: u8 =    64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_DPI`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const ID_DPI: u8 = 0x03;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_REPORT_RATE`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const ID_REPORT_RATE: u8 = 0x04;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_LED_EFFECT`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const ID_LED_EFFECT: u8 = 0x07;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_LED`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const ID_LED: u8 = 0x08;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_SAVE`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const ID_SAVE: u8 = 0x09;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rival310`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Rival310 {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_PROFILES`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const NUM_PROFILES: u16 = 1;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_BUTTONS`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NUM_BUTTONS: u16 = 6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_DPI`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const NUM_DPI: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_LED`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const NUM_LED: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MIN`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const DPI_MIN: u16 = 100;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MAX`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DPI_MAX: u16 = 12000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_1`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const REPORT_ID_1: u8 =    0x01;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_2`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REPORT_ID_2: u8 =    0x02;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_SAVE`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const ID_SAVE: u8 = 0x59;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rival310`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Rival310 {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_PROFILES`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const NUM_PROFILES: u16 = 1;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_BUTTONS`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NUM_BUTTONS: u16 = 6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_DPI`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const NUM_DPI: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_LED`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const NUM_LED: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MIN`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const DPI_MIN: u16 = 100;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MAX`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DPI_MAX: u16 = 16000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_1`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const REPORT_ID_1: u8 =    0x01;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_2`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REPORT_ID_2: u8 =    0x02;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_SIZE`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const REPORT_SIZE: usize =    64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_SAVE`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const ID_SAVE: u8 = 0x09;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ColorMode`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub enum ColorMode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ColorDepth`
[INFO] [stderr]  --> src/protocol/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum ColorDepth {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LedType`
[INFO] [stderr]   --> src/protocol/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum LedType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Led`
[INFO] [stderr]   --> src/protocol/mod.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Led {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_big_endian`
[INFO] [stderr]  --> src/utils.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn from_big_endian(arr: &[u8], size: u16) -> u16 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_little_endian`
[INFO] [stderr]  --> src/utils.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn from_little_endian(arr: &[u8], size: u16) -> u16 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_big_endian`
[INFO] [stderr]   --> src/utils.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn to_big_endian<'a>(num: u16) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `led_index`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: consider prefixing with an underscore: `_led_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `colors`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:27:57
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                         ^^^^^^ help: consider prefixing with an underscore: `_colors`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `speed`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:27:72
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                                        ^^^^^ help: consider prefixing with an underscore: `_speed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_dpi(hid_device: &HidDevice, res_index: u8, dpi: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res_index`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_dpi(hid_device: &HidDevice, res_index: u8, dpi: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: consider prefixing with an underscore: `_res_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dpi`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:30:57
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_dpi(hid_device: &HidDevice, res_index: u8, dpi: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                         ^^^ help: consider prefixing with an underscore: `_dpi`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn write_report_rate(hid_device: &HidDevice, hz: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                          ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hz`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:33:50
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn write_report_rate(hid_device: &HidDevice, hz: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                  ^^ help: consider prefixing with an underscore: `_hz`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn save(hid_device: &HidDevice) -> Result<(), &'static str> {
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `speed`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:26:72
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn write_led(hid_device: &HidDevice, led_index: u8, colors: &[u8], speed: u16) -> Result<(), &'static str> {
[INFO] [stderr]    |                                                                        ^^^^^ help: consider prefixing with an underscore: `_speed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hid_device`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn save(hid_device: &HidDevice) -> Result<(), &'static str> {
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_hid_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let res = hid_device.send_feature_report(&data).unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/protocol/proto_rival500.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/protocol/proto_rival500.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/protocol/proto_rival500.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let res = hid_device.write(&buf).unwrap();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]  --> src/utils.rs:5:36
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn from_big_endian(arr: &[u8], size: u16) -> u16 {
[INFO] [stderr]   |                                    ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]  --> src/utils.rs:9:39
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn from_little_endian(arr: &[u8], size: u16) -> u16 {
[INFO] [stderr]   |                                       ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Type`
[INFO] [stderr]  --> src/devices.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Type {
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ReportType`
[INFO] [stderr]  --> src/devices.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub enum ReportType {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Command`
[INFO] [stderr]   --> src/devices.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Command {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Device`
[INFO] [stderr]   --> src/devices.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct Device {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DEVICE`
[INFO] [stderr]   --> src/devices.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / pub static DEVICE : &'static [Device] = &[
[INFO] [stderr] 42 | |     Device {
[INFO] [stderr] 43 | |         name: "SteelSeries Rival 700 (Experimental)",
[INFO] [stderr] 44 | |         vid: 0x1038,
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |     }
[INFO] [stderr] 64 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_PROFILES`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const NUM_PROFILES: u16 = 1;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_BUTTONS`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const NUM_BUTTONS: u16 = 6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_DPI`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NUM_DPI: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_LED`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const NUM_LED: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MIN`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const DPI_MIN: u16 = 50;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MAX`
[INFO] [stderr]  --> src/protocol/proto_rival.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const DPI_MAX: u16 = 6500;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MULTIPLIER`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DPI_MULTIPLIER: u8 = 50;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_1`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const REPORT_ID_1: u8 =    0x01;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_2`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REPORT_ID_2: u8 =    0x02;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_SIZE`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const REPORT_SIZE: u8 =    64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_DPI`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const ID_DPI: u8 = 0x03;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_REPORT_RATE`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const ID_REPORT_RATE: u8 = 0x04;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_LED_EFFECT`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const ID_LED_EFFECT: u8 = 0x07;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_LED`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const ID_LED: u8 = 0x08;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_SAVE`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const ID_SAVE: u8 = 0x09;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rival310`
[INFO] [stderr]   --> src/protocol/proto_rival.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Rival310 {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_PROFILES`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const NUM_PROFILES: u16 = 1;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_BUTTONS`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NUM_BUTTONS: u16 = 6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_DPI`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const NUM_DPI: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_LED`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const NUM_LED: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MIN`
[INFO] [stderr]  --> src/protocol/proto_rival310.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const DPI_MIN: u16 = 100;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MAX`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DPI_MAX: u16 = 12000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_1`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const REPORT_ID_1: u8 =    0x01;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_2`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REPORT_ID_2: u8 =    0x02;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_SAVE`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const ID_SAVE: u8 = 0x59;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rival310`
[INFO] [stderr]   --> src/protocol/proto_rival310.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Rival310 {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_PROFILES`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const NUM_PROFILES: u16 = 1;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_BUTTONS`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NUM_BUTTONS: u16 = 6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_DPI`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const NUM_DPI: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_LED`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const NUM_LED: u16 = 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MIN`
[INFO] [stderr]  --> src/protocol/proto_rival500.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const DPI_MIN: u16 = 100;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DPI_MAX`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DPI_MAX: u16 = 16000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_1`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const REPORT_ID_1: u8 =    0x01;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_ID_2`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REPORT_ID_2: u8 =    0x02;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REPORT_SIZE`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const REPORT_SIZE: usize =    64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ID_SAVE`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const ID_SAVE: u8 = 0x09;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ColorMode`
[INFO] [stderr]   --> src/protocol/proto_rival500.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub enum ColorMode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ColorDepth`
[INFO] [stderr]  --> src/protocol/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum ColorDepth {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LedType`
[INFO] [stderr]   --> src/protocol/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum LedType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Led`
[INFO] [stderr]   --> src/protocol/mod.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Led {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_big_endian`
[INFO] [stderr]  --> src/utils.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn from_big_endian(arr: &[u8], size: u16) -> u16 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_little_endian`
[INFO] [stderr]  --> src/utils.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn from_little_endian(arr: &[u8], size: u16) -> u16 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_big_endian`
[INFO] [stderr]   --> src/utils.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn to_big_endian<'a>(num: u16) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `testSignedNumeric` should have a snake case name
[INFO] [stderr]   --> src/main.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn testSignedNumeric() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_signed_numeric`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `"docker" "inspect" "23712437a92d45b34b9e74149280e048e473ae24b9e752d6cfb4c5b58ee5942b"`
[INFO] running `"docker" "rm" "-f" "23712437a92d45b34b9e74149280e048e473ae24b9e752d6cfb4c5b58ee5942b"`
[INFO] [stdout] 23712437a92d45b34b9e74149280e048e473ae24b9e752d6cfb4c5b58ee5942b