[INFO] cloning repository https://github.com/backtozero/sensors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/backtozero/sensors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacktozero%2Fsensors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacktozero%2Fsensors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9921f3425698ad2a19a08e60186476d52c85103
[INFO] checking backtozero/sensors against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacktozero%2Fsensors" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/backtozero/sensors
[INFO] finished tweaking git repo https://github.com/backtozero/sensors
[INFO] tweaked toml for git repo https://github.com/backtozero/sensors written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/backtozero/sensors on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/martindeegan/i2cdev-sensors.git`
[INFO] [stderr]     Updating git repository `https://github.com/backtozero/i2cdev-sensors.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 57 packages to highest compatible versions
[INFO] [stderr]       Adding i2cdev v0.3.2 (available: v0.6.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `bmp` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] [stderr]   Downloaded i2cdev v0.3.2
[INFO] [stderr]   Downloaded i2csensors v0.1.3
[INFO] [stderr]   Downloaded pca9685 v0.1.0
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2
[INFO] running `Command { std: "docker" "start" "1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `bmp` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling camino v1.2.5
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling glob v0.3.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking i2csensors v0.1.3
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking i2cdev-bmp280 v0.1.4 (https://github.com/martindeegan/i2cdev-sensors.git?branch=master#eb5c759a)
[INFO] [stderr]     Checking i2cdev-l3gd20 v0.1.3 (https://github.com/martindeegan/i2cdev-sensors.git?branch=master#eb5c759a)
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking i2cdev-lsm9ds0 v0.1.3 (https://github.com/backtozero/i2cdev-sensors.git?branch=master#47928c36)
[INFO] [stderr]     Checking pca9685 v0.1.0
[INFO] [stderr]     Checking bmp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `i2cdev_bmp280::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use i2cdev_bmp280::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i2cdev_l3gd20::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use i2cdev_l3gd20::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Barometer`, `Thermometer`, and `Vec3`
[INFO] [stdout]   --> src/main.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use i2csensors::{Accelerometer, Barometer, Gyroscope, Magnetometer, Thermometer, Vec3};
[INFO] [stdout]    |                                 ^^^^^^^^^                           ^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{process, thread, time::Duration, time::Instant};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinuxI2CError`
[INFO] [stdout]   --> src/main.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 | use i2cdev::linux::{LinuxI2CDevice,LinuxI2CError};
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i2cdev::core::I2CDevice`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use i2cdev::core::I2CDevice;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i2cdev_bmp280::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use i2cdev_bmp280::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i2cdev_l3gd20::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use i2cdev_l3gd20::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Barometer`, `Thermometer`, and `Vec3`
[INFO] [stdout]   --> src/main.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use i2csensors::{Accelerometer, Barometer, Gyroscope, Magnetometer, Thermometer, Vec3};
[INFO] [stdout]    |                                 ^^^^^^^^^                           ^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{process, thread, time::Duration, time::Instant};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinuxI2CError`
[INFO] [stdout]   --> src/main.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 | use i2cdev::linux::{LinuxI2CDevice,LinuxI2CError};
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i2cdev::core::I2CDevice`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use i2cdev::core::I2CDevice;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut linear_acc = lsm9ds0.acceleration_reading().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut magnetometer_output = lsm9ds0.magnetic_reading().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let mut magnetometer_output = lsm9ds0.magnetic_reading().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `acc_z_calib` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:170:44
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let (mut acc_x_calib, mut acc_y_calib, mut acc_z_calib) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_acc_z_calib` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         for i in 0..50 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `RADIAN_DEGREES`
[INFO] [stdout]    --> src/main.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let RADIAN_DEGREES = 180.0 / 3.14;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_RADIAN_DEGREES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `z_sum` is never read
[INFO] [stdout]    --> src/main.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut x_sum, mut y_sum, mut z_sum): (f32, f32, f32) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                                ^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 208 |         z_sum = bearing_offset;
[INFO] [stdout]     |         ---------------------- `z_sum` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `acc_z_calib` is never read
[INFO] [stdout]    --> src/main.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         acc_z_calib /= 50.0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 201 |         acc_z_calib -= 1.0;
[INFO] [stdout]     |         ------------------ `acc_z_calib` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `acc_z_calib` is never read
[INFO] [stdout]    --> src/main.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         acc_z_calib -= 1.0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `acc_z_calib` is never read
[INFO] [stdout]    --> src/main.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |             acc_z_calib += linear_acc.z;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_VALUE` is never used
[INFO] [stdout]   --> src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MAX_VALUE: f32 = 2000.0;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIN_VALUE` is never used
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const MIN_VALUE: f32 = 100.0;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RADIAN_DEGREES` should have a snake case name
[INFO] [stdout]    --> src/main.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let RADIAN_DEGREES = 180.0 / 3.14;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `radian_degrees`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut linear_acc = lsm9ds0.acceleration_reading().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut magnetometer_output = lsm9ds0.magnetic_reading().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let mut magnetometer_output = lsm9ds0.magnetic_reading().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `acc_z_calib` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:170:44
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let (mut acc_x_calib, mut acc_y_calib, mut acc_z_calib) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_acc_z_calib` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         for i in 0..50 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `RADIAN_DEGREES`
[INFO] [stdout]    --> src/main.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let RADIAN_DEGREES = 180.0 / 3.14;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_RADIAN_DEGREES`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `z_sum` is never read
[INFO] [stdout]    --> src/main.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut x_sum, mut y_sum, mut z_sum): (f32, f32, f32) = (0.0, 0.0, 0.0);
[INFO] [stdout]     |                                ^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 208 |         z_sum = bearing_offset;
[INFO] [stdout]     |         ---------------------- `z_sum` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `acc_z_calib` is never read
[INFO] [stdout]    --> src/main.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         acc_z_calib /= 50.0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 201 |         acc_z_calib -= 1.0;
[INFO] [stdout]     |         ------------------ `acc_z_calib` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `acc_z_calib` is never read
[INFO] [stdout]    --> src/main.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         acc_z_calib -= 1.0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `acc_z_calib` is never read
[INFO] [stdout]    --> src/main.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |             acc_z_calib += linear_acc.z;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_VALUE` is never used
[INFO] [stdout]   --> src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MAX_VALUE: f32 = 2000.0;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIN_VALUE` is never used
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const MIN_VALUE: f32 = 100.0;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RADIAN_DEGREES` should have a snake case name
[INFO] [stdout]    --> src/main.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let RADIAN_DEGREES = 180.0 / 3.14;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `radian_degrees`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `pca9685`
[INFO] [stderr]  --> Cargo.toml:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pca9685 = "0.1.*"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `pca9685`
[INFO] [stderr] warning: `bmp` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2", kill_on_drop: false }`
[INFO] [stdout] 1a123dc528a72fdb92630ff6d7e341fa7c47e2230d1431a1dc93794196605ab2
