[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] testing backtozero/sensors against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacktozero%2Fsensors" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/backtozero/sensors on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5615677d17b2e4cefcdf6f3661e162b0075f5aaca7ad32c3fda37762f6d7b0d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5615677d17b2e4cefcdf6f3661e162b0075f5aaca7ad32c3fda37762f6d7b0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5615677d17b2e4cefcdf6f3661e162b0075f5aaca7ad32c3fda37762f6d7b0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5615677d17b2e4cefcdf6f3661e162b0075f5aaca7ad32c3fda37762f6d7b0d6", kill_on_drop: false }`
[INFO] [stdout] 5615677d17b2e4cefcdf6f3661e162b0075f5aaca7ad32c3fda37762f6d7b0d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5506d64deeb62d5b898649117279aba28ef8fb21256172dbf16020a6f9225e31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5506d64deeb62d5b898649117279aba28ef8fb21256172dbf16020a6f9225e31", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling i2csensors v0.1.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling i2cdev-bmp280 v0.1.4 (https://github.com/martindeegan/i2cdev-sensors.git?branch=master#eb5c759a)
[INFO] [stderr]    Compiling i2cdev-l3gd20 v0.1.3 (https://github.com/martindeegan/i2cdev-sensors.git?branch=master#eb5c759a)
[INFO] [stderr]    Compiling i2cdev-lsm9ds0 v0.1.3 (https://github.com/backtozero/i2cdev-sensors.git?branch=master#47928c36)
[INFO] [stderr]    Compiling pca9685 v0.1.0
[INFO] [stderr]    Compiling 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)]` 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`, `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: 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]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_acc_z_calib` instead
[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: 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: 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: 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)]` 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: constant is never used: `MAX_VALUE`
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MAX_VALUE: f32 = 2000.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_VALUE`
[INFO] [stdout]   --> src/main.rs:19:1
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.70s
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5506d64deeb62d5b898649117279aba28ef8fb21256172dbf16020a6f9225e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5506d64deeb62d5b898649117279aba28ef8fb21256172dbf16020a6f9225e31", kill_on_drop: false }`
[INFO] [stdout] 5506d64deeb62d5b898649117279aba28ef8fb21256172dbf16020a6f9225e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63eb3f66e35daa2a65d950b2fa7192821dfd7c137253c79129e568875288739b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63eb3f66e35daa2a65d950b2fa7192821dfd7c137253c79129e568875288739b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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`, `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: 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]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_acc_z_calib` instead
[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: 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: 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: 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)]` 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: constant is never used: `MAX_VALUE`
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MAX_VALUE: f32 = 2000.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_VALUE`
[INFO] [stdout]   --> src/main.rs:19:1
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "63eb3f66e35daa2a65d950b2fa7192821dfd7c137253c79129e568875288739b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63eb3f66e35daa2a65d950b2fa7192821dfd7c137253c79129e568875288739b", kill_on_drop: false }`
[INFO] [stdout] 63eb3f66e35daa2a65d950b2fa7192821dfd7c137253c79129e568875288739b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4a72edea66ae0c166f6af5a8bac28fc0398e93ef05d2e55508bc0fbc4039f1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4a72edea66ae0c166f6af5a8bac28fc0398e93ef05d2e55508bc0fbc4039f1e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `i2cdev_bmp280::*`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 7 | use i2cdev_bmp280::*;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `i2cdev_l3gd20::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use i2cdev_l3gd20::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Barometer`, `Thermometer`, `Vec3`
[INFO] [stderr]   --> src/main.rs:10:33
[INFO] [stderr]    |
[INFO] [stderr] 10 | use i2csensors::{Accelerometer, Barometer, Gyroscope, Magnetometer, Thermometer, Vec3};
[INFO] [stderr]    |                                 ^^^^^^^^^                           ^^^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `process`
[INFO] [stderr]   --> src/main.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::{process, thread, time::Duration, time::Instant};
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::thread::sleep;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LinuxI2CError`
[INFO] [stderr]   --> src/main.rs:15:36
[INFO] [stderr]    |
[INFO] [stderr] 15 | use i2cdev::linux::{LinuxI2CDevice,LinuxI2CError};
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `i2cdev::core::I2CDevice`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use i2cdev::core::I2CDevice;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `z_sum` is never read
[INFO] [stderr]    --> src/main.rs:164:32
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let (mut x_sum, mut y_sum, mut z_sum): (f32, f32, f32) = (0.0, 0.0, 0.0);
[INFO] [stderr]     |                                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `acc_z_calib` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:170:44
[INFO] [stderr]     |
[INFO] [stderr] 170 |     let (mut acc_x_calib, mut acc_y_calib, mut acc_z_calib) = (0.0, 0.0, 0.0);
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_acc_z_calib` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:174:13
[INFO] [stderr]     |
[INFO] [stderr] 174 |         for i in 0..50 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `acc_z_calib` is never read
[INFO] [stderr]    --> src/main.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         acc_z_calib -= 1.0;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `RADIAN_DEGREES`
[INFO] [stderr]    --> src/main.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         let RADIAN_DEGREES = 180.0 / 3.14;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_RADIAN_DEGREES`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mut linear_acc = lsm9ds0.acceleration_reading().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: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let mut magnetometer_output = lsm9ds0.magnetic_reading().unwrap();
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let mut magnetometer_output = lsm9ds0.magnetic_reading().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAX_VALUE`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const MAX_VALUE: f32 = 2000.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MIN_VALUE`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const MIN_VALUE: f32 = 100.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `RADIAN_DEGREES` should have a snake case name
[INFO] [stderr]    --> src/main.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         let RADIAN_DEGREES = 180.0 / 3.14;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `radian_degrees`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bmp-8288cd53652b3516
[INFO] running `Command { std: "docker" "inspect" "a4a72edea66ae0c166f6af5a8bac28fc0398e93ef05d2e55508bc0fbc4039f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a72edea66ae0c166f6af5a8bac28fc0398e93ef05d2e55508bc0fbc4039f1e", kill_on_drop: false }`
[INFO] [stdout] a4a72edea66ae0c166f6af5a8bac28fc0398e93ef05d2e55508bc0fbc4039f1e
