Dec 18 13:07:03.796 INFO checking pca9685-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:07:03.796 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/pca9685/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:07:03.968 INFO [stdout] 8347f0eb5d20a1ae1315a114cbe255406137945222763856184b954f0821ed5a
Dec 18 13:07:03.970 INFO running `"docker" "start" "-a" "8347f0eb5d20a1ae1315a114cbe255406137945222763856184b954f0821ed5a"`
Dec 18 13:07:05.086 INFO [stderr]     Checking pca9685 v0.1.0 (/opt/crater/workdir)
Dec 18 13:07:05.448 INFO [stderr] warning: unused variable: `frequency`
Dec 18 13:07:05.448 INFO [stderr]   --> src/lib.rs:32:37
Dec 18 13:07:05.448 INFO [stderr]    |
Dec 18 13:07:05.448 INFO [stderr] 32 |     pub fn new(device: LinuxI2CDevice, frequency: u16) -> Result<PCA9685, LinuxI2CError> {
Dec 18 13:07:05.448 INFO [stderr]    |                                        ^^^^^^^^^ help: consider using `_frequency` instead
Dec 18 13:07:05.448 INFO [stderr]    |
Dec 18 13:07:05.448 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 13:07:05.448 INFO [stderr] 
Dec 18 13:07:05.456 INFO [stderr] warning: constant item is never used: `AUTO_INCREMENT`
Dec 18 13:07:05.456 INFO [stderr]   --> src/lib.rs:21:1
Dec 18 13:07:05.456 INFO [stderr]    |
Dec 18 13:07:05.456 INFO [stderr] 21 | const AUTO_INCREMENT: u8 = 0b1 << 5;
Dec 18 13:07:05.456 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.456 INFO [stderr]    |
Dec 18 13:07:05.456 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:07:05.456 INFO [stderr] 
Dec 18 13:07:05.476 INFO [stderr] warning: unused variable: `frequency`
Dec 18 13:07:05.477 INFO [stderr]   --> src/lib.rs:32:37
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr] 32 |     pub fn new(device: LinuxI2CDevice, frequency: u16) -> Result<PCA9685, LinuxI2CError> {
Dec 18 13:07:05.477 INFO [stderr]    |                                        ^^^^^^^^^ help: consider using `_frequency` instead
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 13:07:05.477 INFO [stderr] 
Dec 18 13:07:05.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.477 INFO [stderr]   --> src/lib.rs:35:3
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr] 35 |         pca9685.set_all_duty_cycle(0);
Dec 18 13:07:05.477 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 13:07:05.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.477 INFO [stderr] 
Dec 18 13:07:05.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.477 INFO [stderr]   --> src/lib.rs:36:3
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr] 36 |         pca9685.device.smbus_write_byte_data(MODE_2_REG, 0x04);
Dec 18 13:07:05.477 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.477 INFO [stderr] 
Dec 18 13:07:05.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.477 INFO [stderr]   --> src/lib.rs:37:3
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr] 37 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
Dec 18 13:07:05.477 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.477 INFO [stderr] 
Dec 18 13:07:05.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.477 INFO [stderr]   --> src/lib.rs:40:3
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr] 40 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
Dec 18 13:07:05.477 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.477 INFO [stderr]    |
Dec 18 13:07:05.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.477 INFO [stderr] 
Dec 18 13:07:05.479 INFO [stderr] warning: constant item is never used: `AUTO_INCREMENT`
Dec 18 13:07:05.479 INFO [stderr]   --> src/lib.rs:21:1
Dec 18 13:07:05.479 INFO [stderr]    |
Dec 18 13:07:05.479 INFO [stderr] 21 | const AUTO_INCREMENT: u8 = 0b1 << 5;
Dec 18 13:07:05.479 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.479 INFO [stderr]    |
Dec 18 13:07:05.479 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:07:05.479 INFO [stderr] 
Dec 18 13:07:05.490 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.490 INFO [stderr]   --> src/lib.rs:35:3
Dec 18 13:07:05.490 INFO [stderr]    |
Dec 18 13:07:05.490 INFO [stderr] 35 |         pca9685.set_all_duty_cycle(0);
Dec 18 13:07:05.490 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.490 INFO [stderr]    |
Dec 18 13:07:05.490 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 13:07:05.490 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.490 INFO [stderr] 
Dec 18 13:07:05.490 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.490 INFO [stderr]   --> src/lib.rs:36:3
Dec 18 13:07:05.490 INFO [stderr]    |
Dec 18 13:07:05.490 INFO [stderr] 36 |         pca9685.device.smbus_write_byte_data(MODE_2_REG, 0x04);
Dec 18 13:07:05.490 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.491 INFO [stderr]    |
Dec 18 13:07:05.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.491 INFO [stderr] 
Dec 18 13:07:05.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.491 INFO [stderr]   --> src/lib.rs:37:3
Dec 18 13:07:05.491 INFO [stderr]    |
Dec 18 13:07:05.491 INFO [stderr] 37 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
Dec 18 13:07:05.491 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.491 INFO [stderr]    |
Dec 18 13:07:05.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.491 INFO [stderr] 
Dec 18 13:07:05.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.491 INFO [stderr]   --> src/lib.rs:40:3
Dec 18 13:07:05.491 INFO [stderr]    |
Dec 18 13:07:05.491 INFO [stderr] 40 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
Dec 18 13:07:05.491 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.491 INFO [stderr]    |
Dec 18 13:07:05.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.491 INFO [stderr] 
Dec 18 13:07:05.803 INFO [stderr] warning: unused imports: `Duration`, `Instant`
Dec 18 13:07:05.804 INFO [stderr]  --> src/main.rs:4:17
Dec 18 13:07:05.804 INFO [stderr]   |
Dec 18 13:07:05.804 INFO [stderr] 4 | use std::time::{Instant,Duration};
Dec 18 13:07:05.804 INFO [stderr]   |                 ^^^^^^^ ^^^^^^^^
Dec 18 13:07:05.804 INFO [stderr]   |
Dec 18 13:07:05.804 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:07:05.804 INFO [stderr] 
Dec 18 13:07:05.823 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]  --> src/main.rs:5:5
Dec 18 13:07:05.824 INFO [stderr]   |
Dec 18 13:07:05.824 INFO [stderr] 5 | use std::thread::sleep_ms;
Dec 18 13:07:05.824 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr]   |
Dec 18 13:07:05.824 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]   --> src/main.rs:17:2
Dec 18 13:07:05.824 INFO [stderr]    |
Dec 18 13:07:05.824 INFO [stderr] 17 |     sleep_ms(3000);
Dec 18 13:07:05.824 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]   --> src/main.rs:23:2
Dec 18 13:07:05.824 INFO [stderr]    |
Dec 18 13:07:05.824 INFO [stderr] 23 |     sleep_ms(3000);
Dec 18 13:07:05.824 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]   --> src/main.rs:26:2
Dec 18 13:07:05.824 INFO [stderr]    |
Dec 18 13:07:05.824 INFO [stderr] 26 |     sleep_ms(1000);
Dec 18 13:07:05.824 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]   --> src/main.rs:28:2
Dec 18 13:07:05.824 INFO [stderr]    |
Dec 18 13:07:05.824 INFO [stderr] 28 |     sleep_ms(1000);
Dec 18 13:07:05.824 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]   --> src/main.rs:30:2
Dec 18 13:07:05.824 INFO [stderr]    |
Dec 18 13:07:05.824 INFO [stderr] 30 |     sleep_ms(1000);
Dec 18 13:07:05.824 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]   --> src/main.rs:32:2
Dec 18 13:07:05.824 INFO [stderr]    |
Dec 18 13:07:05.824 INFO [stderr] 32 |     sleep_ms(1000);
Dec 18 13:07:05.824 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]   --> src/main.rs:34:2
Dec 18 13:07:05.824 INFO [stderr]    |
Dec 18 13:07:05.824 INFO [stderr] 34 |     sleep_ms(1000);
Dec 18 13:07:05.824 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.824 INFO [stderr]   --> src/main.rs:36:2
Dec 18 13:07:05.824 INFO [stderr]    |
Dec 18 13:07:05.824 INFO [stderr] 36 |     sleep_ms(3000);
Dec 18 13:07:05.824 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.824 INFO [stderr] warning: unused imports: `Duration`, `Instant`
Dec 18 13:07:05.824 INFO [stderr]  --> src/main.rs:4:17
Dec 18 13:07:05.824 INFO [stderr]   |
Dec 18 13:07:05.824 INFO [stderr] 4 | use std::time::{Instant,Duration};
Dec 18 13:07:05.824 INFO [stderr]   |                 ^^^^^^^ ^^^^^^^^
Dec 18 13:07:05.824 INFO [stderr]   |
Dec 18 13:07:05.824 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:07:05.824 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.826 INFO [stderr]  --> src/main.rs:5:5
Dec 18 13:07:05.826 INFO [stderr]   |
Dec 18 13:07:05.826 INFO [stderr] 5 | use std::thread::sleep_ms;
Dec 18 13:07:05.826 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.826 INFO [stderr]   |
Dec 18 13:07:05.826 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 13:07:05.826 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.826 INFO [stderr]   --> src/main.rs:17:2
Dec 18 13:07:05.826 INFO [stderr]    |
Dec 18 13:07:05.826 INFO [stderr] 17 |     sleep_ms(3000);
Dec 18 13:07:05.826 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.826 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.826 INFO [stderr]   --> src/main.rs:23:2
Dec 18 13:07:05.826 INFO [stderr]    |
Dec 18 13:07:05.826 INFO [stderr] 23 |     sleep_ms(3000);
Dec 18 13:07:05.826 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.826 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.826 INFO [stderr]   --> src/main.rs:26:2
Dec 18 13:07:05.826 INFO [stderr]    |
Dec 18 13:07:05.826 INFO [stderr] 26 |     sleep_ms(1000);
Dec 18 13:07:05.826 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.826 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.826 INFO [stderr]   --> src/main.rs:28:2
Dec 18 13:07:05.826 INFO [stderr]    |
Dec 18 13:07:05.826 INFO [stderr] 28 |     sleep_ms(1000);
Dec 18 13:07:05.826 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.826 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.826 INFO [stderr]   --> src/main.rs:30:2
Dec 18 13:07:05.826 INFO [stderr]    |
Dec 18 13:07:05.826 INFO [stderr] 30 |     sleep_ms(1000);
Dec 18 13:07:05.826 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.826 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.826 INFO [stderr]   --> src/main.rs:32:2
Dec 18 13:07:05.826 INFO [stderr]    |
Dec 18 13:07:05.826 INFO [stderr] 32 |     sleep_ms(1000);
Dec 18 13:07:05.826 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.826 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.826 INFO [stderr]   --> src/main.rs:34:2
Dec 18 13:07:05.826 INFO [stderr]    |
Dec 18 13:07:05.826 INFO [stderr] 34 |     sleep_ms(1000);
Dec 18 13:07:05.826 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.826 INFO [stderr] 
Dec 18 13:07:05.826 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:07:05.827 INFO [stderr]   --> src/main.rs:36:2
Dec 18 13:07:05.827 INFO [stderr]    |
Dec 18 13:07:05.827 INFO [stderr] 36 |     sleep_ms(3000);
Dec 18 13:07:05.827 INFO [stderr]    |     ^^^^^^^^
Dec 18 13:07:05.827 INFO [stderr] 
Dec 18 13:07:05.833 INFO [stderr] warning: unused variable: `servo_max`
Dec 18 13:07:05.833 INFO [stderr]   --> src/main.rs:13:6
Dec 18 13:07:05.833 INFO [stderr]    |
Dec 18 13:07:05.833 INFO [stderr] 13 |     let servo_max = 2000.0;
Dec 18 13:07:05.833 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_servo_max` instead
Dec 18 13:07:05.833 INFO [stderr]    |
Dec 18 13:07:05.833 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 13:07:05.833 INFO [stderr] 
Dec 18 13:07:05.833 INFO [stderr] warning: unused variable: `i`
Dec 18 13:07:05.833 INFO [stderr]   --> src/main.rs:15:10
Dec 18 13:07:05.833 INFO [stderr]    |
Dec 18 13:07:05.833 INFO [stderr] 15 |     let mut i = servo_min;
Dec 18 13:07:05.833 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 18 13:07:05.833 INFO [stderr] 
Dec 18 13:07:05.834 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:07:05.834 INFO [stderr]   --> src/main.rs:15:6
Dec 18 13:07:05.835 INFO [stderr]    |
Dec 18 13:07:05.835 INFO [stderr] 15 |     let mut i = servo_min;
Dec 18 13:07:05.835 INFO [stderr]    |         ----^
Dec 18 13:07:05.835 INFO [stderr]    |         |
Dec 18 13:07:05.835 INFO [stderr]    |         help: remove this `mut`
Dec 18 13:07:05.835 INFO [stderr]    |
Dec 18 13:07:05.835 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 13:07:05.835 INFO [stderr] 
Dec 18 13:07:05.835 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.835 INFO [stderr]   --> src/main.rs:10:2
Dec 18 13:07:05.835 INFO [stderr]    |
Dec 18 13:07:05.835 INFO [stderr] 10 |     pca9685.set_frequency(100);
Dec 18 13:07:05.835 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.835 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:11:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 11 |     pca9685.set_all_duty_cycle(0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:16:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 16 |     pca9685.set_all_duty_cycle(0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:22:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 22 |     pca9685.set_pulse_length(0, servo_min);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:25:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 25 |     pca9685.set_pulse_length(0, 1250.0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:27:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 27 |     pca9685.set_pulse_length(0, 1200.0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:29:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 29 |     pca9685.set_pulse_length(0, 1150.0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:31:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 31 |     pca9685.set_pulse_length(0, 1100.0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:33:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 33 |     pca9685.set_pulse_length(0, 1050.0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:35:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 35 |     pca9685.set_pulse_length(0, 1250.0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.836 INFO [stderr]   --> src/main.rs:38:2
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr] 38 |     pca9685.set_all_duty_cycle(0);
Dec 18 13:07:05.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.836 INFO [stderr]    |
Dec 18 13:07:05.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.836 INFO [stderr] 
Dec 18 13:07:05.867 INFO [stderr] warning: unused variable: `servo_max`
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:13:6
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 13 |     let servo_max = 2000.0;
Dec 18 13:07:05.868 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_servo_max` instead
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: unused variable: `i`
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:15:10
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 15 |     let mut i = servo_min;
Dec 18 13:07:05.868 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: variable does not need to be mutable
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:15:6
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 15 |     let mut i = servo_min;
Dec 18 13:07:05.868 INFO [stderr]    |         ----^
Dec 18 13:07:05.868 INFO [stderr]    |         |
Dec 18 13:07:05.868 INFO [stderr]    |         help: remove this `mut`
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:10:2
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 10 |     pca9685.set_frequency(100);
Dec 18 13:07:05.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 13:07:05.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:11:2
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 11 |     pca9685.set_all_duty_cycle(0);
Dec 18 13:07:05.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:16:2
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 16 |     pca9685.set_all_duty_cycle(0);
Dec 18 13:07:05.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:22:2
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 22 |     pca9685.set_pulse_length(0, servo_min);
Dec 18 13:07:05.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:25:2
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 25 |     pca9685.set_pulse_length(0, 1250.0);
Dec 18 13:07:05.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:27:2
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 27 |     pca9685.set_pulse_length(0, 1200.0);
Dec 18 13:07:05.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.868 INFO [stderr] 
Dec 18 13:07:05.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.868 INFO [stderr]   --> src/main.rs:29:2
Dec 18 13:07:05.868 INFO [stderr]    |
Dec 18 13:07:05.868 INFO [stderr] 29 |     pca9685.set_pulse_length(0, 1150.0);
Dec 18 13:07:05.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.869 INFO [stderr] 
Dec 18 13:07:05.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.869 INFO [stderr]   --> src/main.rs:31:2
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr] 31 |     pca9685.set_pulse_length(0, 1100.0);
Dec 18 13:07:05.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.869 INFO [stderr] 
Dec 18 13:07:05.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.869 INFO [stderr]   --> src/main.rs:33:2
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr] 33 |     pca9685.set_pulse_length(0, 1050.0);
Dec 18 13:07:05.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.869 INFO [stderr] 
Dec 18 13:07:05.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.869 INFO [stderr]   --> src/main.rs:35:2
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr] 35 |     pca9685.set_pulse_length(0, 1250.0);
Dec 18 13:07:05.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.869 INFO [stderr] 
Dec 18 13:07:05.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:07:05.869 INFO [stderr]   --> src/main.rs:38:2
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr] 38 |     pca9685.set_all_duty_cycle(0);
Dec 18 13:07:05.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:07:05.869 INFO [stderr]    |
Dec 18 13:07:05.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:07:05.869 INFO [stderr] 
Dec 18 13:07:05.889 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 18 13:07:06.168 INFO running `"docker" "inspect" "8347f0eb5d20a1ae1315a114cbe255406137945222763856184b954f0821ed5a"`
Dec 18 13:07:06.278 INFO running `"docker" "rm" "-f" "8347f0eb5d20a1ae1315a114cbe255406137945222763856184b954f0821ed5a"`
Dec 18 13:07:06.361 INFO [stdout] 8347f0eb5d20a1ae1315a114cbe255406137945222763856184b954f0821ed5a