[INFO] crate i2cdev-l3gd20 0.1.3 is already in cache
[INFO] extracting crate i2cdev-l3gd20 0.1.3 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/i2cdev-l3gd20/0.1.3
[INFO] extracting crate i2cdev-l3gd20 0.1.3 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/i2cdev-l3gd20/0.1.3
[INFO] validating manifest of i2cdev-l3gd20-0.1.3 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of i2cdev-l3gd20-0.1.3 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing i2cdev-l3gd20-0.1.3
[INFO] finished frobbing i2cdev-l3gd20-0.1.3
[INFO] frobbed toml for i2cdev-l3gd20-0.1.3 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/i2cdev-l3gd20/0.1.3/Cargo.toml
[INFO] started frobbing i2cdev-l3gd20-0.1.3
[INFO] finished frobbing i2cdev-l3gd20-0.1.3
[INFO] frobbed toml for i2cdev-l3gd20-0.1.3 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/i2cdev-l3gd20/0.1.3/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking i2cdev-l3gd20-0.1.3 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/i2cdev-l3gd20/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 98ef6cc69dc4c3658c18b7ba33e952c2b66833bd5b2b57ef2ce7564500682585
[INFO] running `"docker" "start" "-a" "98ef6cc69dc4c3658c18b7ba33e952c2b66833bd5b2b57ef2ce7564500682585"`
[INFO] [stderr]     Checking i2cdev-l3gd20 v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/lib.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigEndian`
[INFO] [stderr]   --> src/lib.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 | use byteorder::{ByteOrder, BigEndian, LittleEndian};
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `dps250` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     dps250 = 0b00,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Dps250`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `dps500` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     dps500 = 0b01,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Dps500`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `dps2000` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     dps2000 = 0b10
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Dps2000`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_0` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     HPCF_0 = 0b0000,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf0`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_1` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     HPCF_1 = 0b0001,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf1`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_2` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     HPCF_2 = 0b0010,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_3` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     HPCF_3 = 0b0011,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf3`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_4` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     HPCF_4 = 0b0100,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_5` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     HPCF_5 = 0b0101,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf5`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_6` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     HPCF_6 = 0b0110,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf6`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_7` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     HPCF_7 = 0b0111,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf7`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_8` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     HPCF_8 = 0b1000,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_9` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     HPCF_9 = 0b1001,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf9`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/lib.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigEndian`
[INFO] [stderr]   --> src/lib.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 | use byteorder::{ByteOrder, BigEndian, LittleEndian};
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `dps250` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     dps250 = 0b00,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Dps250`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `dps500` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     dps500 = 0b01,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Dps500`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `dps2000` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     dps2000 = 0b10
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Dps2000`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_0` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     HPCF_0 = 0b0000,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf0`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_1` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     HPCF_1 = 0b0001,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf1`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_2` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     HPCF_2 = 0b0010,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_3` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     HPCF_3 = 0b0011,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf3`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_4` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     HPCF_4 = 0b0100,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_5` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     HPCF_5 = 0b0101,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf5`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_6` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     HPCF_6 = 0b0110,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf6`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_7` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     HPCF_7 = 0b0111,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf7`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_8` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     HPCF_8 = 0b1000,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HPCF_9` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     HPCF_9 = 0b1001,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `Hpcf9`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:146:29
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn new(mut gyro: T, mut gyro_settings: L3GD20GyroscopeSettings) -> Result<L3GD20<T>, T::Error> {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut g_gain: f32;
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `DR` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub DR: L3GD20GyroscopeDataRate,
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `dr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `BW` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub BW: L3GD20GyroscopeBandwidth,
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `bw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         self.gyroscope.write(&[L3GD20_INCREMENT_BIT | L3GD20_OUT]);
[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:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         self.gyroscope.read(&mut buf);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:146:29
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn new(mut gyro: T, mut gyro_settings: L3GD20GyroscopeSettings) -> Result<L3GD20<T>, T::Error> {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut g_gain: f32;
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `DR` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub DR: L3GD20GyroscopeDataRate,
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `dr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `BW` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub BW: L3GD20GyroscopeBandwidth,
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `bw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         self.gyroscope.write(&[L3GD20_INCREMENT_BIT | L3GD20_OUT]);
[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:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         self.gyroscope.read(&mut buf);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Vec3`
[INFO] [stderr]  --> src/main.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use i2csensors::{Gyroscope,Vec3};
[INFO] [stderr]   |                            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut i2cdev = get_linux_l3gd20_i2c_device().unwrap();
[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 import: `Vec3`
[INFO] [stderr]  --> src/main.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use i2csensors::{Gyroscope,Vec3};
[INFO] [stderr]   |                            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut i2cdev = get_linux_l3gd20_i2c_device().unwrap();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "98ef6cc69dc4c3658c18b7ba33e952c2b66833bd5b2b57ef2ce7564500682585"`
[INFO] running `"docker" "rm" "-f" "98ef6cc69dc4c3658c18b7ba33e952c2b66833bd5b2b57ef2ce7564500682585"`
[INFO] [stdout] 98ef6cc69dc4c3658c18b7ba33e952c2b66833bd5b2b57ef2ce7564500682585