[INFO] crate pca9685 0.1.0 is already in cache
[INFO] testing pca9685-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate pca9685 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pca9685 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pca9685 0.1.0
[INFO] finished tweaking crates.io crate pca9685 0.1.0
[INFO] tweaked toml for crates.io crate pca9685 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 7a002c9daa4220525a34213840620ac6fe735e05a7b177fe29787ba7af402479
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7a002c9daa4220525a34213840620ac6fe735e05a7b177fe29787ba7af402479"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pca9685 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, (self.mode & 0x7F) | 0x10));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.device.smbus_write_byte_data(PRE_SCALE_REG, prescalelevel as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode | 0x80));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.device.smbus_write_byte_data(LED0_ON_L+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |         try!(self.device.smbus_write_byte_data(LED0_ON_H+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(self.device.smbus_write_byte_data(LED0_OFF_L+4*channel, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:3
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(self.device.smbus_write_byte_data(LED0_OFF_H+4*channel, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(self.device.smbus_write_byte_data(ALL_ON_L, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.device.smbus_write_byte_data(ALL_ON_H, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.device.smbus_write_byte_data(ALL_OFF_L, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.device.smbus_write_byte_data(ALL_OFF_H, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:91:3
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(self.set_duty_cycle(channel, duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.set_all_duty_cycle(duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frequency`
[INFO] [stderr]   --> src/lib.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(device: LinuxI2CDevice, frequency: u16) -> Result<PCA9685, LinuxI2CError> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUTO_INCREMENT`
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const AUTO_INCREMENT: u8 = 0b1 << 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |         pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |         pca9685.device.smbus_write_byte_data(MODE_2_REG, 0x04);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{Instant,Duration};
[INFO] [stderr]   |                 ^^^^^^^ ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread::sleep_ms;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `servo_max`
[INFO] [stderr]   --> src/main.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let servo_max = 2000.0;
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_servo_max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut i = servo_min;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut i = servo_min;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pca9685.set_frequency(100);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pca9685.set_pulse_length(0, servo_min);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pca9685.set_pulse_length(0, 1250.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pca9685.set_pulse_length(0, 1200.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:2
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pca9685.set_pulse_length(0, 1150.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:2
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pca9685.set_pulse_length(0, 1100.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:33:2
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pca9685.set_pulse_length(0, 1050.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pca9685.set_pulse_length(0, 1250.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "7a002c9daa4220525a34213840620ac6fe735e05a7b177fe29787ba7af402479"`
[INFO] running `"docker" "rm" "-f" "7a002c9daa4220525a34213840620ac6fe735e05a7b177fe29787ba7af402479"`
[INFO] [stdout] 7a002c9daa4220525a34213840620ac6fe735e05a7b177fe29787ba7af402479
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72031b13cfe23b2ec66a5219e1258149e1ae9c2aa993b6d9b3ab2b18a6c2125e
[INFO] running `"docker" "start" "-a" "72031b13cfe23b2ec66a5219e1258149e1ae9c2aa993b6d9b3ab2b18a6c2125e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pca9685 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, (self.mode & 0x7F) | 0x10));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.device.smbus_write_byte_data(PRE_SCALE_REG, prescalelevel as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode | 0x80));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.device.smbus_write_byte_data(LED0_ON_L+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |         try!(self.device.smbus_write_byte_data(LED0_ON_H+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(self.device.smbus_write_byte_data(LED0_OFF_L+4*channel, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:3
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(self.device.smbus_write_byte_data(LED0_OFF_H+4*channel, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(self.device.smbus_write_byte_data(ALL_ON_L, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.device.smbus_write_byte_data(ALL_ON_H, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.device.smbus_write_byte_data(ALL_OFF_L, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.device.smbus_write_byte_data(ALL_OFF_H, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:91:3
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(self.set_duty_cycle(channel, duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.set_all_duty_cycle(duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frequency`
[INFO] [stderr]   --> src/lib.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(device: LinuxI2CDevice, frequency: u16) -> Result<PCA9685, LinuxI2CError> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUTO_INCREMENT`
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const AUTO_INCREMENT: u8 = 0b1 << 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |         pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |         pca9685.device.smbus_write_byte_data(MODE_2_REG, 0x04);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{Instant,Duration};
[INFO] [stderr]   |                 ^^^^^^^ ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread::sleep_ms;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `servo_max`
[INFO] [stderr]   --> src/main.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let servo_max = 2000.0;
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_servo_max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut i = servo_min;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut i = servo_min;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pca9685.set_frequency(100);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pca9685.set_pulse_length(0, servo_min);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pca9685.set_pulse_length(0, 1250.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pca9685.set_pulse_length(0, 1200.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:2
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pca9685.set_pulse_length(0, 1150.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:2
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pca9685.set_pulse_length(0, 1100.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:33:2
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pca9685.set_pulse_length(0, 1050.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pca9685.set_pulse_length(0, 1250.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, (self.mode & 0x7F) | 0x10));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.device.smbus_write_byte_data(PRE_SCALE_REG, prescalelevel as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode | 0x80));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.device.smbus_write_byte_data(LED0_ON_L+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |         try!(self.device.smbus_write_byte_data(LED0_ON_H+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(self.device.smbus_write_byte_data(LED0_OFF_L+4*channel, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:3
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(self.device.smbus_write_byte_data(LED0_OFF_H+4*channel, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(self.device.smbus_write_byte_data(ALL_ON_L, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.device.smbus_write_byte_data(ALL_ON_H, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.device.smbus_write_byte_data(ALL_OFF_L, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.device.smbus_write_byte_data(ALL_OFF_H, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:91:3
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(self.set_duty_cycle(channel, duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.set_all_duty_cycle(duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frequency`
[INFO] [stderr]   --> src/lib.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(device: LinuxI2CDevice, frequency: u16) -> Result<PCA9685, LinuxI2CError> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUTO_INCREMENT`
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const AUTO_INCREMENT: u8 = 0b1 << 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |         pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |         pca9685.device.smbus_write_byte_data(MODE_2_REG, 0x04);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "72031b13cfe23b2ec66a5219e1258149e1ae9c2aa993b6d9b3ab2b18a6c2125e"`
[INFO] running `"docker" "rm" "-f" "72031b13cfe23b2ec66a5219e1258149e1ae9c2aa993b6d9b3ab2b18a6c2125e"`
[INFO] [stdout] 72031b13cfe23b2ec66a5219e1258149e1ae9c2aa993b6d9b3ab2b18a6c2125e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b5cb977616ea305db4b737884412ad0eb6dd8c69f7520563403c0844e496dd9
[INFO] running `"docker" "start" "-a" "9b5cb977616ea305db4b737884412ad0eb6dd8c69f7520563403c0844e496dd9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, (self.mode & 0x7F) | 0x10));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.device.smbus_write_byte_data(PRE_SCALE_REG, prescalelevel as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode | 0x80));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.device.smbus_write_byte_data(LED0_ON_L+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |         try!(self.device.smbus_write_byte_data(LED0_ON_H+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(self.device.smbus_write_byte_data(LED0_OFF_L+4*channel, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:3
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(self.device.smbus_write_byte_data(LED0_OFF_H+4*channel, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(self.device.smbus_write_byte_data(ALL_ON_L, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.device.smbus_write_byte_data(ALL_ON_H, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.device.smbus_write_byte_data(ALL_OFF_L, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.device.smbus_write_byte_data(ALL_OFF_H, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:91:3
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(self.set_duty_cycle(channel, duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.set_all_duty_cycle(duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frequency`
[INFO] [stderr]   --> src/lib.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(device: LinuxI2CDevice, frequency: u16) -> Result<PCA9685, LinuxI2CError> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUTO_INCREMENT`
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const AUTO_INCREMENT: u8 = 0b1 << 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |         pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |         pca9685.device.smbus_write_byte_data(MODE_2_REG, 0x04);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:57:3
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, (self.mode & 0x7F) | 0x10));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.device.smbus_write_byte_data(PRE_SCALE_REG, prescalelevel as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode | 0x80));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(self.device.smbus_write_byte_data(LED0_ON_L+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |         try!(self.device.smbus_write_byte_data(LED0_ON_H+4*channel, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(self.device.smbus_write_byte_data(LED0_OFF_L+4*channel, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:3
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(self.device.smbus_write_byte_data(LED0_OFF_H+4*channel, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:3
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(self.device.smbus_write_byte_data(ALL_ON_L, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(self.device.smbus_write_byte_data(ALL_ON_H, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(self.device.smbus_write_byte_data(ALL_OFF_L, (duty_cycle & 0xFF) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(self.device.smbus_write_byte_data(ALL_OFF_H, (duty_cycle >> 8) as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:91:3
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(self.set_duty_cycle(channel, duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.set_all_duty_cycle(duty_cycle));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frequency`
[INFO] [stderr]   --> src/lib.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(device: LinuxI2CDevice, frequency: u16) -> Result<PCA9685, LinuxI2CError> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUTO_INCREMENT`
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const AUTO_INCREMENT: u8 = 0b1 << 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |         pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |         pca9685.device.smbus_write_byte_data(MODE_2_REG, 0x04);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |         pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{Instant,Duration};
[INFO] [stderr]   |                 ^^^^^^^ ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread::sleep_ms;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:36:2
[INFO] [stderr]    |
[INFO] [stderr] 36 |     sleep_ms(3000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `servo_max`
[INFO] [stderr]   --> src/main.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let servo_max = 2000.0;
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_servo_max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut i = servo_min;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut i = servo_min;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pca9685.set_frequency(100);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pca9685.set_pulse_length(0, servo_min);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pca9685.set_pulse_length(0, 1250.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pca9685.set_pulse_length(0, 1200.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:2
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pca9685.set_pulse_length(0, 1150.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:2
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pca9685.set_pulse_length(0, 1100.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:33:2
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pca9685.set_pulse_length(0, 1050.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pca9685.set_pulse_length(0, 1250.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pca9685.set_all_duty_cycle(0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pca9685-466fb410ff8af82d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pca9685bin-61b03f8551acbefa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pca9685
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9b5cb977616ea305db4b737884412ad0eb6dd8c69f7520563403c0844e496dd9"`
[INFO] running `"docker" "rm" "-f" "9b5cb977616ea305db4b737884412ad0eb6dd8c69f7520563403c0844e496dd9"`
[INFO] [stdout] 9b5cb977616ea305db4b737884412ad0eb6dd8c69f7520563403c0844e496dd9