Dec 18 15:04:17.498 INFO checking i2cdev-lsm303d-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 15:04:17.498 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/i2cdev-lsm303d/0.1.2:/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 15:04:17.639 INFO [stdout] 013947931aec6f36236e4598b00a50841d5b5e9143442491b3f8a7b1786024c4
Dec 18 15:04:17.642 INFO running `"docker" "start" "-a" "013947931aec6f36236e4598b00a50841d5b5e9143442491b3f8a7b1786024c4"`
Dec 18 15:04:18.636 INFO [stderr]     Checking i2cdev-lsm303d v0.1.2 (/opt/crater/workdir)
Dec 18 15:04:19.185 INFO [stderr] warning: unused import: `std::thread`
Dec 18 15:04:19.185 INFO [stderr]   --> src/lib.rs:20:5
Dec 18 15:04:19.185 INFO [stderr]    |
Dec 18 15:04:19.185 INFO [stderr] 20 | use std::thread;
Dec 18 15:04:19.185 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 15:04:19.185 INFO [stderr]    |
Dec 18 15:04:19.185 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 15:04:19.185 INFO [stderr] 
Dec 18 15:04:19.185 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 18 15:04:19.185 INFO [stderr]   --> src/lib.rs:21:5
Dec 18 15:04:19.185 INFO [stderr]    |
Dec 18 15:04:19.185 INFO [stderr] 21 | use std::time::Duration;
Dec 18 15:04:19.185 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 15:04:19.192 INFO [stderr] 
Dec 18 15:04:19.192 INFO [stderr] warning: unused import: `std::error::Error`
Dec 18 15:04:19.192 INFO [stderr]   --> src/lib.rs:22:5
Dec 18 15:04:19.192 INFO [stderr]    |
Dec 18 15:04:19.192 INFO [stderr] 22 | use std::error::Error;
Dec 18 15:04:19.192 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 15:04:19.192 INFO [stderr] 
Dec 18 15:04:19.293 INFO [stderr] warning: unused import: `std::thread`
Dec 18 15:04:19.293 INFO [stderr]   --> src/lib.rs:20:5
Dec 18 15:04:19.293 INFO [stderr]    |
Dec 18 15:04:19.293 INFO [stderr] 20 | use std::thread;
Dec 18 15:04:19.293 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 15:04:19.293 INFO [stderr]    |
Dec 18 15:04:19.293 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 15:04:19.293 INFO [stderr] 
Dec 18 15:04:19.293 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 18 15:04:19.293 INFO [stderr]   --> src/lib.rs:21:5
Dec 18 15:04:19.293 INFO [stderr]    |
Dec 18 15:04:19.293 INFO [stderr] 21 | use std::time::Duration;
Dec 18 15:04:19.293 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 15:04:19.293 INFO [stderr] 
Dec 18 15:04:19.293 INFO [stderr] warning: unused import: `std::error::Error`
Dec 18 15:04:19.293 INFO [stderr]   --> src/lib.rs:22:5
Dec 18 15:04:19.293 INFO [stderr]    |
Dec 18 15:04:19.293 INFO [stderr] 22 | use std::error::Error;
Dec 18 15:04:19.293 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 15:04:19.293 INFO [stderr] 
Dec 18 15:04:19.316 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.316 INFO [stderr]    --> src/lib.rs:152:34
Dec 18 15:04:19.316 INFO [stderr]     |
Dec 18 15:04:19.316 INFO [stderr] 152 |     pub fn new(mut accel_mag: T, mut accel_mag_settings: LSM303DSettings) -> Result<LSM303D<T>, T::Error> {
Dec 18 15:04:19.316 INFO [stderr]     |                                  ----^^^^^^^^^^^^^^^^^^
Dec 18 15:04:19.316 INFO [stderr]     |                                  |
Dec 18 15:04:19.316 INFO [stderr]     |                                  help: remove this `mut`
Dec 18 15:04:19.316 INFO [stderr]     |
Dec 18 15:04:19.316 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 15:04:19.316 INFO [stderr] 
Dec 18 15:04:19.316 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.316 INFO [stderr]    --> src/lib.rs:164:13
Dec 18 15:04:19.316 INFO [stderr]     |
Dec 18 15:04:19.316 INFO [stderr] 164 |         let mut ctrl_reg2: u8 = 0_u8 | ((accel_mag_settings.accelerometer_sensitivity as u8) << 3) | ((accel_mag_settings.accelerometer_anti_alias_filter_bandwidth as u8) << 6);
Dec 18 15:04:19.316 INFO [stderr]     |             ----^^^^^^^^^
Dec 18 15:04:19.316 INFO [stderr]     |             |
Dec 18 15:04:19.317 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.317 INFO [stderr] 
Dec 18 15:04:19.317 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.317 INFO [stderr]    --> src/lib.rs:167:13
Dec 18 15:04:19.317 INFO [stderr]     |
Dec 18 15:04:19.317 INFO [stderr] 167 |         let mut ctrl_reg5: u8 = 0_u8 | ((accel_mag_settings.magnetometer_resolution as u8) << 5) | ((accel_mag_settings.magnetometer_data_rate as u8) << 2); //24
Dec 18 15:04:19.317 INFO [stderr]     |             ----^^^^^^^^^
Dec 18 15:04:19.317 INFO [stderr]     |             |
Dec 18 15:04:19.317 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.317 INFO [stderr] 
Dec 18 15:04:19.317 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.317 INFO [stderr]    --> src/lib.rs:170:13
Dec 18 15:04:19.317 INFO [stderr]     |
Dec 18 15:04:19.317 INFO [stderr] 170 |         let mut ctrl_reg6: u8 = 0_u8 | ((accel_mag_settings.magnetometer_sensitivity as u8) << 5);
Dec 18 15:04:19.317 INFO [stderr]     |             ----^^^^^^^^^
Dec 18 15:04:19.317 INFO [stderr]     |             |
Dec 18 15:04:19.317 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.317 INFO [stderr] 
Dec 18 15:04:19.317 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.317 INFO [stderr]    --> src/lib.rs:179:13
Dec 18 15:04:19.317 INFO [stderr]     |
Dec 18 15:04:19.317 INFO [stderr] 179 |         let mut a_gain: f32;
Dec 18 15:04:19.317 INFO [stderr]     |             ----^^^^^^
Dec 18 15:04:19.317 INFO [stderr]     |             |
Dec 18 15:04:19.317 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.317 INFO [stderr] 
Dec 18 15:04:19.317 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.317 INFO [stderr]    --> src/lib.rs:180:13
Dec 18 15:04:19.317 INFO [stderr]     |
Dec 18 15:04:19.317 INFO [stderr] 180 |         let mut m_gain: f32;
Dec 18 15:04:19.317 INFO [stderr]     |             ----^^^^^^
Dec 18 15:04:19.317 INFO [stderr]     |             |
Dec 18 15:04:19.317 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.317 INFO [stderr] 
Dec 18 15:04:19.320 INFO [stderr] warning: variant `g2` should have a camel case name such as `G2`
Dec 18 15:04:19.320 INFO [stderr]   --> src/lib.rs:68:5
Dec 18 15:04:19.320 INFO [stderr]    |
Dec 18 15:04:19.320 INFO [stderr] 68 |     g2 = 0b000,
Dec 18 15:04:19.320 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 15:04:19.320 INFO [stderr]    |
Dec 18 15:04:19.320 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 18 15:04:19.320 INFO [stderr] 
Dec 18 15:04:19.320 INFO [stderr] warning: variant `g4` should have a camel case name such as `G4`
Dec 18 15:04:19.320 INFO [stderr]   --> src/lib.rs:69:5
Dec 18 15:04:19.320 INFO [stderr]    |
Dec 18 15:04:19.320 INFO [stderr] 69 |     g4 = 0b001,
Dec 18 15:04:19.320 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 15:04:19.320 INFO [stderr] 
Dec 18 15:04:19.320 INFO [stderr] warning: variant `g6` should have a camel case name such as `G6`
Dec 18 15:04:19.320 INFO [stderr]   --> src/lib.rs:70:5
Dec 18 15:04:19.320 INFO [stderr]    |
Dec 18 15:04:19.320 INFO [stderr] 70 |     g6 = 0b010,
Dec 18 15:04:19.320 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 15:04:19.320 INFO [stderr] 
Dec 18 15:04:19.320 INFO [stderr] warning: variant `g8` should have a camel case name such as `G8`
Dec 18 15:04:19.320 INFO [stderr]   --> src/lib.rs:71:5
Dec 18 15:04:19.320 INFO [stderr]    |
Dec 18 15:04:19.320 INFO [stderr] 71 |     g8 = 0b011,
Dec 18 15:04:19.320 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 15:04:19.320 INFO [stderr] 
Dec 18 15:04:19.320 INFO [stderr] warning: variant `g16` should have a camel case name such as `G16`
Dec 18 15:04:19.321 INFO [stderr]   --> src/lib.rs:72:5
Dec 18 15:04:19.321 INFO [stderr]    |
Dec 18 15:04:19.321 INFO [stderr] 72 |     g16 = 0b100
Dec 18 15:04:19.321 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 15:04:19.321 INFO [stderr] 
Dec 18 15:04:19.321 INFO [stderr] warning: variant `gauss2` should have a camel case name such as `Gauss2`
Dec 18 15:04:19.321 INFO [stderr]    --> src/lib.rs:102:5
Dec 18 15:04:19.321 INFO [stderr]     |
Dec 18 15:04:19.321 INFO [stderr] 102 |     gauss2 = 0b00,
Dec 18 15:04:19.321 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 15:04:19.321 INFO [stderr] 
Dec 18 15:04:19.321 INFO [stderr] warning: variant `gauss4` should have a camel case name such as `Gauss4`
Dec 18 15:04:19.321 INFO [stderr]    --> src/lib.rs:103:5
Dec 18 15:04:19.321 INFO [stderr]     |
Dec 18 15:04:19.321 INFO [stderr] 103 |     gauss4 = 0b01,
Dec 18 15:04:19.321 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 15:04:19.321 INFO [stderr] 
Dec 18 15:04:19.321 INFO [stderr] warning: variant `gauss8` should have a camel case name such as `Gauss8`
Dec 18 15:04:19.321 INFO [stderr]    --> src/lib.rs:104:5
Dec 18 15:04:19.321 INFO [stderr]     |
Dec 18 15:04:19.321 INFO [stderr] 104 |     gauss8 = 0b10,
Dec 18 15:04:19.321 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 15:04:19.321 INFO [stderr] 
Dec 18 15:04:19.321 INFO [stderr] warning: variant `gauss12` should have a camel case name such as `Gauss12`
Dec 18 15:04:19.321 INFO [stderr]    --> src/lib.rs:105:5
Dec 18 15:04:19.321 INFO [stderr]     |
Dec 18 15:04:19.321 INFO [stderr] 105 |     gauss12 = 0b11
Dec 18 15:04:19.321 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 18 15:04:19.321 INFO [stderr] 
Dec 18 15:04:19.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.396 INFO [stderr]    --> src/lib.rs:152:34
Dec 18 15:04:19.396 INFO [stderr]     |
Dec 18 15:04:19.396 INFO [stderr] 152 |     pub fn new(mut accel_mag: T, mut accel_mag_settings: LSM303DSettings) -> Result<LSM303D<T>, T::Error> {
Dec 18 15:04:19.396 INFO [stderr]     |                                  ----^^^^^^^^^^^^^^^^^^
Dec 18 15:04:19.396 INFO [stderr]     |                                  |
Dec 18 15:04:19.396 INFO [stderr]     |                                  help: remove this `mut`
Dec 18 15:04:19.396 INFO [stderr]     |
Dec 18 15:04:19.396 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 15:04:19.396 INFO [stderr] 
Dec 18 15:04:19.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.396 INFO [stderr]    --> src/lib.rs:164:13
Dec 18 15:04:19.396 INFO [stderr]     |
Dec 18 15:04:19.396 INFO [stderr] 164 |         let mut ctrl_reg2: u8 = 0_u8 | ((accel_mag_settings.accelerometer_sensitivity as u8) << 3) | ((accel_mag_settings.accelerometer_anti_alias_filter_bandwidth as u8) << 6);
Dec 18 15:04:19.396 INFO [stderr]     |             ----^^^^^^^^^
Dec 18 15:04:19.396 INFO [stderr]     |             |
Dec 18 15:04:19.396 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.396 INFO [stderr] 
Dec 18 15:04:19.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.396 INFO [stderr]    --> src/lib.rs:167:13
Dec 18 15:04:19.396 INFO [stderr]     |
Dec 18 15:04:19.396 INFO [stderr] 167 |         let mut ctrl_reg5: u8 = 0_u8 | ((accel_mag_settings.magnetometer_resolution as u8) << 5) | ((accel_mag_settings.magnetometer_data_rate as u8) << 2); //24
Dec 18 15:04:19.396 INFO [stderr]     |             ----^^^^^^^^^
Dec 18 15:04:19.396 INFO [stderr]     |             |
Dec 18 15:04:19.396 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.396 INFO [stderr] 
Dec 18 15:04:19.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.396 INFO [stderr]    --> src/lib.rs:170:13
Dec 18 15:04:19.396 INFO [stderr]     |
Dec 18 15:04:19.396 INFO [stderr] 170 |         let mut ctrl_reg6: u8 = 0_u8 | ((accel_mag_settings.magnetometer_sensitivity as u8) << 5);
Dec 18 15:04:19.396 INFO [stderr]     |             ----^^^^^^^^^
Dec 18 15:04:19.396 INFO [stderr]     |             |
Dec 18 15:04:19.396 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.396 INFO [stderr] 
Dec 18 15:04:19.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.396 INFO [stderr]    --> src/lib.rs:179:13
Dec 18 15:04:19.396 INFO [stderr]     |
Dec 18 15:04:19.396 INFO [stderr] 179 |         let mut a_gain: f32;
Dec 18 15:04:19.396 INFO [stderr]     |             ----^^^^^^
Dec 18 15:04:19.396 INFO [stderr]     |             |
Dec 18 15:04:19.396 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.396 INFO [stderr] 
Dec 18 15:04:19.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:19.396 INFO [stderr]    --> src/lib.rs:180:13
Dec 18 15:04:19.396 INFO [stderr]     |
Dec 18 15:04:19.396 INFO [stderr] 180 |         let mut m_gain: f32;
Dec 18 15:04:19.396 INFO [stderr]     |             ----^^^^^^
Dec 18 15:04:19.396 INFO [stderr]     |             |
Dec 18 15:04:19.396 INFO [stderr]     |             help: remove this `mut`
Dec 18 15:04:19.396 INFO [stderr] 
Dec 18 15:04:19.396 INFO [stderr] warning: variant `g2` should have a camel case name such as `G2`
Dec 18 15:04:19.396 INFO [stderr]   --> src/lib.rs:68:5
Dec 18 15:04:19.396 INFO [stderr]    |
Dec 18 15:04:19.396 INFO [stderr] 68 |     g2 = 0b000,
Dec 18 15:04:19.397 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr]    |
Dec 18 15:04:19.397 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:19.397 INFO [stderr] warning: variant `g4` should have a camel case name such as `G4`
Dec 18 15:04:19.397 INFO [stderr]   --> src/lib.rs:69:5
Dec 18 15:04:19.397 INFO [stderr]    |
Dec 18 15:04:19.397 INFO [stderr] 69 |     g4 = 0b001,
Dec 18 15:04:19.397 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:19.397 INFO [stderr] warning: variant `g6` should have a camel case name such as `G6`
Dec 18 15:04:19.397 INFO [stderr]   --> src/lib.rs:70:5
Dec 18 15:04:19.397 INFO [stderr]    |
Dec 18 15:04:19.397 INFO [stderr] 70 |     g6 = 0b010,
Dec 18 15:04:19.397 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:19.397 INFO [stderr] warning: variant `g8` should have a camel case name such as `G8`
Dec 18 15:04:19.397 INFO [stderr]   --> src/lib.rs:71:5
Dec 18 15:04:19.397 INFO [stderr]    |
Dec 18 15:04:19.397 INFO [stderr] 71 |     g8 = 0b011,
Dec 18 15:04:19.397 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:19.397 INFO [stderr] warning: variant `g16` should have a camel case name such as `G16`
Dec 18 15:04:19.397 INFO [stderr]   --> src/lib.rs:72:5
Dec 18 15:04:19.397 INFO [stderr]    |
Dec 18 15:04:19.397 INFO [stderr] 72 |     g16 = 0b100
Dec 18 15:04:19.397 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:19.397 INFO [stderr] warning: variant `gauss2` should have a camel case name such as `Gauss2`
Dec 18 15:04:19.397 INFO [stderr]    --> src/lib.rs:102:5
Dec 18 15:04:19.397 INFO [stderr]     |
Dec 18 15:04:19.397 INFO [stderr] 102 |     gauss2 = 0b00,
Dec 18 15:04:19.397 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:19.397 INFO [stderr] warning: variant `gauss4` should have a camel case name such as `Gauss4`
Dec 18 15:04:19.397 INFO [stderr]    --> src/lib.rs:103:5
Dec 18 15:04:19.397 INFO [stderr]     |
Dec 18 15:04:19.397 INFO [stderr] 103 |     gauss4 = 0b01,
Dec 18 15:04:19.397 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:19.397 INFO [stderr] warning: variant `gauss8` should have a camel case name such as `Gauss8`
Dec 18 15:04:19.397 INFO [stderr]    --> src/lib.rs:104:5
Dec 18 15:04:19.397 INFO [stderr]     |
Dec 18 15:04:19.397 INFO [stderr] 104 |     gauss8 = 0b10,
Dec 18 15:04:19.397 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:19.397 INFO [stderr] warning: variant `gauss12` should have a camel case name such as `Gauss12`
Dec 18 15:04:19.397 INFO [stderr]    --> src/lib.rs:105:5
Dec 18 15:04:19.397 INFO [stderr]     |
Dec 18 15:04:19.397 INFO [stderr] 105 |     gauss12 = 0b11
Dec 18 15:04:19.397 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 18 15:04:19.397 INFO [stderr] 
Dec 18 15:04:20.056 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:20.056 INFO [stderr]   --> src/main.rs:31:9
Dec 18 15:04:20.056 INFO [stderr]    |
Dec 18 15:04:20.056 INFO [stderr] 31 |     let mut i2cdev = get_linux_lsm303d_i2c_device().unwrap();
Dec 18 15:04:20.056 INFO [stderr]    |         ----^^^^^^
Dec 18 15:04:20.056 INFO [stderr]    |         |
Dec 18 15:04:20.056 INFO [stderr]    |         help: remove this `mut`
Dec 18 15:04:20.056 INFO [stderr]    |
Dec 18 15:04:20.056 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 15:04:20.056 INFO [stderr] 
Dec 18 15:04:20.094 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:04:20.095 INFO [stderr]   --> src/main.rs:31:9
Dec 18 15:04:20.095 INFO [stderr]    |
Dec 18 15:04:20.095 INFO [stderr] 31 |     let mut i2cdev = get_linux_lsm303d_i2c_device().unwrap();
Dec 18 15:04:20.095 INFO [stderr]    |         ----^^^^^^
Dec 18 15:04:20.095 INFO [stderr]    |         |
Dec 18 15:04:20.095 INFO [stderr]    |         help: remove this `mut`
Dec 18 15:04:20.095 INFO [stderr]    |
Dec 18 15:04:20.095 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 15:04:20.095 INFO [stderr] 
Dec 18 15:04:20.125 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Dec 18 15:04:20.395 INFO running `"docker" "inspect" "013947931aec6f36236e4598b00a50841d5b5e9143442491b3f8a7b1786024c4"`
Dec 18 15:04:20.475 INFO running `"docker" "rm" "-f" "013947931aec6f36236e4598b00a50841d5b5e9143442491b3f8a7b1786024c4"`
Dec 18 15:04:20.559 INFO [stdout] 013947931aec6f36236e4598b00a50841d5b5e9143442491b3f8a7b1786024c4