[INFO] cloning repository https://github.com/Jon0/usbdrivers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jon0/usbdrivers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJon0%2Fusbdrivers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJon0%2Fusbdrivers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a48811ff261e93446c5dd09f25bd61219742232
[INFO] checking Jon0/usbdrivers against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJon0%2Fusbdrivers" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jon0/usbdrivers on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jon0/usbdrivers
[INFO] finished tweaking git repo https://github.com/Jon0/usbdrivers
[INFO] tweaked toml for git repo https://github.com/Jon0/usbdrivers written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Jon0/usbdrivers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c940f9ccb59b8ed444ccca89fe99750a77eeea916d30ab9399e417da9abd437f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c940f9ccb59b8ed444ccca89fe99750a77eeea916d30ab9399e417da9abd437f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c940f9ccb59b8ed444ccca89fe99750a77eeea916d30ab9399e417da9abd437f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c940f9ccb59b8ed444ccca89fe99750a77eeea916d30ab9399e417da9abd437f", kill_on_drop: false }`
[INFO] [stdout] c940f9ccb59b8ed444ccca89fe99750a77eeea916d30ab9399e417da9abd437f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed940e7fa19f3f5b4f06f143ac08b8e6710bab0c6381075cf043142a83ac8158
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed940e7fa19f3f5b4f06f143ac08b8e6710bab0c6381075cf043142a83ac8158", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking libusb v0.3.0
[INFO] [stderr]     Checking logictl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Seek`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Seek;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::SeekFrom`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::SeekFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hasher16`, `crc16`
[INFO] [stdout]   --> src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crc::{crc16, Hasher16};
[INFO] [stdout]    |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:337:12
[INFO] [stdout]     |
[INFO] [stdout] 337 |         if (poll_rate == 500) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |         else if (poll_rate == 333) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:343:17
[INFO] [stdout]     |
[INFO] [stdout] 343 |         else if (poll_rate == 250) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:442:14
[INFO] [stdout]     |
[INFO] [stdout] 442 |       crc ^= ((data as u16) << 8);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:864:8
[INFO] [stdout]     |
[INFO] [stdout] 864 |     if (config.print_endpoints) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:905:16
[INFO] [stdout]     |
[INFO] [stdout] 905 |             if (parts.len() == 3) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Seek`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Seek;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::SeekFrom`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::SeekFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hasher16`, `crc16`
[INFO] [stdout]   --> src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crc::{crc16, Hasher16};
[INFO] [stdout]    |           ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:337:12
[INFO] [stdout]     |
[INFO] [stdout] 337 |         if (poll_rate == 500) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |         else if (poll_rate == 333) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:343:17
[INFO] [stdout]     |
[INFO] [stdout] 343 |         else if (poll_rate == 250) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:442:14
[INFO] [stdout]     |
[INFO] [stdout] 442 |       crc ^= ((data as u16) << 8);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:864:8
[INFO] [stdout]     |
[INFO] [stdout] 864 |     if (config.print_endpoints) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:905:16
[INFO] [stdout]     |
[INFO] [stdout] 905 |             if (parts.len() == 3) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let result = self.handle.write_control(0x21, 9, 0x0210, 1, msg, Duration::from_secs(1)).unwrap();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let result = self.handle.write_control(0x21, 9, 0x0211, 1, msg, Duration::from_secs(1)).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd_param`
[INFO] [stdout]    --> src/main.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let cmd_param = 0x1d;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmd_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:443:11
[INFO] [stdout]     |
[INFO] [stdout] 443 |       for x in 0..8 {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_0`
[INFO] [stdout]    --> src/main.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |         let command_type_0 = 0x0c; // root
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_1`
[INFO] [stdout]    --> src/main.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let command_type_1 = 0x1c; //
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_2`
[INFO] [stdout]    --> src/main.rs:508:13
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let command_type_2 = 0x2c; // check connected
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_3`
[INFO] [stdout]    --> src/main.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |         let command_type_3 = 0x3c; // color setting
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_4`
[INFO] [stdout]    --> src/main.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |         let command_type_4 = 0x4c; // get status, returns err and current profile
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_6`
[INFO] [stdout]    --> src/main.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let command_type_6 = 0x6c;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_7`
[INFO] [stdout]    --> src/main.rs:512:13
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let command_type_7 = 0x7c;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 |         let result = self.handle.write_control(0x21, 9, 0x0210, 1, msg, Duration::from_secs(10)).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:599:13
[INFO] [stdout]     |
[INFO] [stdout] 599 |         let result = self.handle.write_control(0x21, 9, 0x0211, 1, msg, Duration::from_secs(10)).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:605:13
[INFO] [stdout]     |
[INFO] [stdout] 605 |         let result = self.handle.write_interrupt(self.write_address, msg, Duration::from_secs(10)).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:650:34
[INFO] [stdout]     |
[INFO] [stdout] 650 |     fn enable_profile(&mut self, n: u8) {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mode_id` is never read
[INFO] [stdout]    --> src/main.rs:684:13
[INFO] [stdout]     |
[INFO] [stdout] 684 |         let mut mode_id = 0x00;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:760:18
[INFO] [stdout]     |
[INFO] [stdout] 760 |             let (err, p) = self.send_4_status(device_index, feature_index, swid);
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let result = self.handle.write_control(0x21, 9, 0x0210, 1, msg, Duration::from_secs(1)).unwrap();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let result = self.handle.write_control(0x21, 9, 0x0211, 1, msg, Duration::from_secs(1)).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd_param`
[INFO] [stdout]    --> src/main.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let cmd_param = 0x1d;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmd_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:443:11
[INFO] [stdout]     |
[INFO] [stdout] 443 |       for x in 0..8 {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_0`
[INFO] [stdout]    --> src/main.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |         let command_type_0 = 0x0c; // root
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_1`
[INFO] [stdout]    --> src/main.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let command_type_1 = 0x1c; //
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_2`
[INFO] [stdout]    --> src/main.rs:508:13
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let command_type_2 = 0x2c; // check connected
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_3`
[INFO] [stdout]    --> src/main.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |         let command_type_3 = 0x3c; // color setting
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_4`
[INFO] [stdout]    --> src/main.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |         let command_type_4 = 0x4c; // get status, returns err and current profile
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_6`
[INFO] [stdout]    --> src/main.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let command_type_6 = 0x6c;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_type_7`
[INFO] [stdout]    --> src/main.rs:512:13
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let command_type_7 = 0x7c;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_type_7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 |         let result = self.handle.write_control(0x21, 9, 0x0210, 1, msg, Duration::from_secs(10)).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:599:13
[INFO] [stdout]     |
[INFO] [stdout] 599 |         let result = self.handle.write_control(0x21, 9, 0x0211, 1, msg, Duration::from_secs(10)).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:605:13
[INFO] [stdout]     |
[INFO] [stdout] 605 |         let result = self.handle.write_interrupt(self.write_address, msg, Duration::from_secs(10)).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:650:34
[INFO] [stdout]     |
[INFO] [stdout] 650 |     fn enable_profile(&mut self, n: u8) {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mode_id` is never read
[INFO] [stdout]    --> src/main.rs:684:13
[INFO] [stdout]     |
[INFO] [stdout] 684 |         let mut mode_id = 0x00;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:760:18
[INFO] [stdout]     |
[INFO] [stdout] 760 |             let (err, p) = self.send_4_status(device_index, feature_index, swid);
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:695:13
[INFO] [stdout]     |
[INFO] [stdout] 695 |         let mut unknown = 0x01;
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:695:13
[INFO] [stdout]     |
[INFO] [stdout] 695 |         let mut unknown = 0x01;
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:930:9
[INFO] [stdout]     |
[INFO] [stdout] 930 |     let mut context = libusb::Context::new().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:931:9
[INFO] [stdout]     |
[INFO] [stdout] 931 |     for mut device in context.devices().unwrap().iter() {
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `write_address`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     write_address: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_1_get_features`
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn send_1_get_features(&mut self, di: u8, fi: u8, swid: u8, offset: u8, param_b: u8, param_c: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_2_connected`
[INFO] [stdout]    --> src/main.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn send_2_connected(&mut self, di: u8, fi: u8, swid: u8, offset: u8, param_b: u8, param_c: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_5_read_record`
[INFO] [stdout]    --> src/main.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn send_5_read_record(&mut self, di: u8, fi: u8, swid: u8, id_a: u8, profile: u8, offset: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_magic_numbers`
[INFO] [stdout]    --> src/main.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn get_magic_numbers(&self) -> (u8, u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_group_7_enable_profile`
[INFO] [stdout]    --> src/main.rs:456:8
[INFO] [stdout]     |
[INFO] [stdout] 456 |     fn send_group_7_enable_profile(&mut self, di: u8, fi: u8, swid: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_init_commands`
[INFO] [stdout]    --> src/main.rs:500:8
[INFO] [stdout]     |
[INFO] [stdout] 500 |     fn write_init_commands(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_ctl_7`
[INFO] [stdout]    --> src/main.rs:587:8
[INFO] [stdout]     |
[INFO] [stdout] 587 |     fn send_ctl_7(&mut self, msg: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_ctl_20`
[INFO] [stdout]    --> src/main.rs:597:8
[INFO] [stdout]     |
[INFO] [stdout] 597 |     fn send_ctl_20(&mut self, msg: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_msg`
[INFO] [stdout]    --> src/main.rs:604:8
[INFO] [stdout]     |
[INFO] [stdout] 604 |     fn send_msg(&mut self, msg: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `enable_profile`
[INFO] [stdout]    --> src/main.rs:650:8
[INFO] [stdout]     |
[INFO] [stdout] 650 |     fn enable_profile(&mut self, n: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:930:9
[INFO] [stdout]     |
[INFO] [stdout] 930 |     let mut context = libusb::Context::new().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `before_apply`
[INFO] [stdout]    --> src/main.rs:721:8
[INFO] [stdout]     |
[INFO] [stdout] 721 |     fn before_apply(&mut self, profile: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Off`
[INFO] [stdout]    --> src/main.rs:820:5
[INFO] [stdout]     |
[INFO] [stdout] 820 |     Off, Static { r: u8, g: u8, b: u8 }, Cycle { speed: u16, brightness: u8 }
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cycle`
[INFO] [stdout]    --> src/main.rs:820:42
[INFO] [stdout]     |
[INFO] [stdout] 820 |     Off, Static { r: u8, g: u8, b: u8 }, Cycle { speed: u16, brightness: u8 }
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:931:9
[INFO] [stdout]     |
[INFO] [stdout] 931 |     for mut device in context.devices().unwrap().iter() {
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `write_address`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     write_address: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_1_get_features`
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn send_1_get_features(&mut self, di: u8, fi: u8, swid: u8, offset: u8, param_b: u8, param_c: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_2_connected`
[INFO] [stdout]    --> src/main.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn send_2_connected(&mut self, di: u8, fi: u8, swid: u8, offset: u8, param_b: u8, param_c: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_5_read_record`
[INFO] [stdout]    --> src/main.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn send_5_read_record(&mut self, di: u8, fi: u8, swid: u8, id_a: u8, profile: u8, offset: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_magic_numbers`
[INFO] [stdout]    --> src/main.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn get_magic_numbers(&self) -> (u8, u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_group_7_enable_profile`
[INFO] [stdout]    --> src/main.rs:456:8
[INFO] [stdout]     |
[INFO] [stdout] 456 |     fn send_group_7_enable_profile(&mut self, di: u8, fi: u8, swid: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_init_commands`
[INFO] [stdout]    --> src/main.rs:500:8
[INFO] [stdout]     |
[INFO] [stdout] 500 |     fn write_init_commands(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_ctl_7`
[INFO] [stdout]    --> src/main.rs:587:8
[INFO] [stdout]     |
[INFO] [stdout] 587 |     fn send_ctl_7(&mut self, msg: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_ctl_20`
[INFO] [stdout]    --> src/main.rs:597:8
[INFO] [stdout]     |
[INFO] [stdout] 597 |     fn send_ctl_20(&mut self, msg: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_msg`
[INFO] [stdout]    --> src/main.rs:604:8
[INFO] [stdout]     |
[INFO] [stdout] 604 |     fn send_msg(&mut self, msg: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `enable_profile`
[INFO] [stdout]    --> src/main.rs:650:8
[INFO] [stdout]     |
[INFO] [stdout] 650 |     fn enable_profile(&mut self, n: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `before_apply`
[INFO] [stdout]    --> src/main.rs:721:8
[INFO] [stdout]     |
[INFO] [stdout] 721 |     fn before_apply(&mut self, profile: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Off`
[INFO] [stdout]    --> src/main.rs:820:5
[INFO] [stdout]     |
[INFO] [stdout] 820 |     Off, Static { r: u8, g: u8, b: u8 }, Cycle { speed: u16, brightness: u8 }
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cycle`
[INFO] [stdout]    --> src/main.rs:820:42
[INFO] [stdout]     |
[INFO] [stdout] 820 |     Off, Static { r: u8, g: u8, b: u8 }, Cycle { speed: u16, brightness: u8 }
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.handle.detach_kernel_driver(self.interface);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.handle.claim_interface(self.interface);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.handle.release_interface(self.interface);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.handle.detach_kernel_driver(self.interface);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.handle.claim_interface(self.interface);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.handle.release_interface(self.interface);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "ed940e7fa19f3f5b4f06f143ac08b8e6710bab0c6381075cf043142a83ac8158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed940e7fa19f3f5b4f06f143ac08b8e6710bab0c6381075cf043142a83ac8158", kill_on_drop: false }`
[INFO] [stdout] ed940e7fa19f3f5b4f06f143ac08b8e6710bab0c6381075cf043142a83ac8158