[INFO] crate i2cdev-lsm303d 0.1.2 is already in cache
[INFO] testing i2cdev-lsm303d-0.1.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate i2cdev-lsm303d 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate i2cdev-lsm303d 0.1.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i2cdev-lsm303d 0.1.2
[INFO] finished tweaking crates.io crate i2cdev-lsm303d 0.1.2
[INFO] tweaked toml for crates.io crate i2cdev-lsm303d 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b914cb230130610480f5e596aad2edcf7575c06d547a2725f0a19754e24159ff
[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" "b914cb230130610480f5e596aad2edcf7575c06d547a2725f0a19754e24159ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b914cb230130610480f5e596aad2edcf7575c06d547a2725f0a19754e24159ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b914cb230130610480f5e596aad2edcf7575c06d547a2725f0a19754e24159ff", kill_on_drop: false }`
[INFO] [stdout] b914cb230130610480f5e596aad2edcf7575c06d547a2725f0a19754e24159ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90e52f73e3110f11e118f1d29a153a0f9f7a5431bdf12f0cd9bb91775500fb42
[INFO] running `Command { std: "docker" "start" "-a" "90e52f73e3110f11e118f1d29a153a0f9f7a5431bdf12f0cd9bb91775500fb42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling i2csensors v0.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling semver v0.9.0
[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-lsm303d v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let device = try!(LinuxI2CDevice::new("/dev/i2c-1", LSM303D_I2C_ADDR));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         assert!(try!(accel_mag.smbus_read_byte_data(LSM303D_WHO_AM_I)) == LSM303D_ID, "LSM303D ID didn't match for device at given I2C address.");
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL1, ctrl_reg1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL2, ctrl_reg2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL5, ctrl_reg5));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL6, ctrl_reg6));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL7, ctrl_reg7));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_MAG]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_ACC]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:37
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (x_raw, y_raw, z_raw) = try!(self.magnetometer_read_raw());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:280:37
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let (x_raw, y_raw, z_raw) = try!(self.accelerometer_read_raw());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g2` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     g2 = 0b000,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g4` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     g4 = 0b001,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g6` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     g6 = 0b010,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g8` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     g8 = 0b011,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g16` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     g16 = 0b100
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `G16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss2` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     gauss2 = 0b00,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss4` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     gauss4 = 0b01,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss8` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     gauss8 = 0b10,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss12` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     gauss12 = 0b11
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `Gauss12`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn new(mut accel_mag: T, mut accel_mag_settings: LSM303DSettings) -> Result<LSM303D<T>, T::Error> {
[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/lib.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 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);
[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/lib.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 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
[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/lib.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let mut ctrl_reg6: u8 = 0_u8 | ((accel_mag_settings.magnetometer_sensitivity as u8) << 5);
[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/lib.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut a_gain: f32;
[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/lib.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut m_gain: f32;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut i2cdev = get_linux_lsm303d_i2c_device().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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.40s
[INFO] running `Command { std: "docker" "inspect" "90e52f73e3110f11e118f1d29a153a0f9f7a5431bdf12f0cd9bb91775500fb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e52f73e3110f11e118f1d29a153a0f9f7a5431bdf12f0cd9bb91775500fb42", kill_on_drop: false }`
[INFO] [stdout] 90e52f73e3110f11e118f1d29a153a0f9f7a5431bdf12f0cd9bb91775500fb42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2320b38e70283c775e2d859a6859c89b9d0c9a1e908887f1b66ca1e098fa6b6c
[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" "2320b38e70283c775e2d859a6859c89b9d0c9a1e908887f1b66ca1e098fa6b6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling i2cdev-lsm303d v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let device = try!(LinuxI2CDevice::new("/dev/i2c-1", LSM303D_I2C_ADDR));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         assert!(try!(accel_mag.smbus_read_byte_data(LSM303D_WHO_AM_I)) == LSM303D_ID, "LSM303D ID didn't match for device at given I2C address.");
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL1, ctrl_reg1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL2, ctrl_reg2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL5, ctrl_reg5));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL6, ctrl_reg6));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL7, ctrl_reg7));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_MAG]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_ACC]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:37
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (x_raw, y_raw, z_raw) = try!(self.magnetometer_read_raw());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:280:37
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let (x_raw, y_raw, z_raw) = try!(self.accelerometer_read_raw());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g2` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     g2 = 0b000,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g4` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     g4 = 0b001,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g6` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     g6 = 0b010,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g8` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     g8 = 0b011,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g16` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     g16 = 0b100
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `G16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss2` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     gauss2 = 0b00,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss4` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     gauss4 = 0b01,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss8` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     gauss8 = 0b10,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss12` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     gauss12 = 0b11
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `Gauss12`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn new(mut accel_mag: T, mut accel_mag_settings: LSM303DSettings) -> Result<LSM303D<T>, T::Error> {
[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/lib.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 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);
[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/lib.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 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
[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/lib.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let mut ctrl_reg6: u8 = 0_u8 | ((accel_mag_settings.magnetometer_sensitivity as u8) << 5);
[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/lib.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut a_gain: f32;
[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/lib.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut m_gain: f32;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let device = try!(LinuxI2CDevice::new("/dev/i2c-1", LSM303D_I2C_ADDR));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         assert!(try!(accel_mag.smbus_read_byte_data(LSM303D_WHO_AM_I)) == LSM303D_ID, "LSM303D ID didn't match for device at given I2C address.");
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL1, ctrl_reg1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL2, ctrl_reg2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL5, ctrl_reg5));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL6, ctrl_reg6));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL7, ctrl_reg7));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_MAG]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_ACC]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:37
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (x_raw, y_raw, z_raw) = try!(self.magnetometer_read_raw());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:280:37
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let (x_raw, y_raw, z_raw) = try!(self.accelerometer_read_raw());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g2` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     g2 = 0b000,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g4` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     g4 = 0b001,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g6` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     g6 = 0b010,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g8` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     g8 = 0b011,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `G8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `g16` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     g16 = 0b100
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `G16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss2` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     gauss2 = 0b00,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss4` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     gauss4 = 0b01,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss8` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     gauss8 = 0b10,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `gauss12` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     gauss12 = 0b11
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `Gauss12`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut i2cdev = get_linux_lsm303d_i2c_device().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/lib.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn new(mut accel_mag: T, mut accel_mag_settings: LSM303DSettings) -> Result<LSM303D<T>, T::Error> {
[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/lib.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 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);
[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/lib.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 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
[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/lib.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let mut ctrl_reg6: u8 = 0_u8 | ((accel_mag_settings.magnetometer_sensitivity as u8) << 5);
[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/lib.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut a_gain: f32;
[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/lib.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut m_gain: f32;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "2320b38e70283c775e2d859a6859c89b9d0c9a1e908887f1b66ca1e098fa6b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2320b38e70283c775e2d859a6859c89b9d0c9a1e908887f1b66ca1e098fa6b6c", kill_on_drop: false }`
[INFO] [stdout] 2320b38e70283c775e2d859a6859c89b9d0c9a1e908887f1b66ca1e098fa6b6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8baf67703ca3b52bba5e26d97b2c01e94fb7072d3ab8a711bc2ee43ccf3ea5d1
[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" "8baf67703ca3b52bba5e26d97b2c01e94fb7072d3ab8a711bc2ee43ccf3ea5d1", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let device = try!(LinuxI2CDevice::new("/dev/i2c-1", LSM303D_I2C_ADDR));
[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:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |         assert!(try!(accel_mag.smbus_read_byte_data(LSM303D_WHO_AM_I)) == LSM303D_ID, "LSM303D ID didn't match for device at given I2C address.");
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL1, ctrl_reg1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL2, ctrl_reg2));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL5, ctrl_reg5));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL6, ctrl_reg6));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL7, ctrl_reg7));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_MAG]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_ACC]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:258:37
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let (x_raw, y_raw, z_raw) = try!(self.magnetometer_read_raw());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:280:37
[INFO] [stderr]     |
[INFO] [stderr] 280 |         let (x_raw, y_raw, z_raw) = try!(self.accelerometer_read_raw());
[INFO] [stderr]     |                                     ^^^
[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: variant `g2` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     g2 = 0b000,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g4` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     g4 = 0b001,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g6` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     g6 = 0b010,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G6`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g8` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     g8 = 0b011,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g16` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     g16 = 0b100
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case: `G16`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss2` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     gauss2 = 0b00,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss4` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     gauss4 = 0b01,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss8` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     gauss8 = 0b10,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss12` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     gauss12 = 0b11
[INFO] [stderr]     |     ^^^^^^^ help: convert the identifier to upper camel case: `Gauss12`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:152:34
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn new(mut accel_mag: T, mut accel_mag_settings: LSM303DSettings) -> Result<LSM303D<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:164:13
[INFO] [stderr]     |
[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);
[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/lib.rs:167:13
[INFO] [stderr]     |
[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
[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/lib.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let mut ctrl_reg6: u8 = 0_u8 | ((accel_mag_settings.magnetometer_sensitivity as u8) << 5);
[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/lib.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut a_gain: f32;
[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/lib.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut m_gain: f32;
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let device = try!(LinuxI2CDevice::new("/dev/i2c-1", LSM303D_I2C_ADDR));
[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:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |         assert!(try!(accel_mag.smbus_read_byte_data(LSM303D_WHO_AM_I)) == LSM303D_ID, "LSM303D ID didn't match for device at given I2C address.");
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL1, ctrl_reg1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL2, ctrl_reg2));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL5, ctrl_reg5));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL6, ctrl_reg6));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         try!(accel_mag.smbus_write_byte_data(LSM303D_CTRL7, ctrl_reg7));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_MAG]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |         try!(self.accelerometer_magnetometer.write(&[LSM303D_INCREMENT_BIT | LSM303D_OUT_ACC]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         try!(self.accelerometer_magnetometer.read(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:258:37
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let (x_raw, y_raw, z_raw) = try!(self.magnetometer_read_raw());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:280:37
[INFO] [stderr]     |
[INFO] [stderr] 280 |         let (x_raw, y_raw, z_raw) = try!(self.accelerometer_read_raw());
[INFO] [stderr]     |                                     ^^^
[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: variant `g2` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     g2 = 0b000,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g4` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     g4 = 0b001,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g6` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     g6 = 0b010,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G6`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g8` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     g8 = 0b011,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g16` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     g16 = 0b100
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case: `G16`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss2` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     gauss2 = 0b00,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss4` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     gauss4 = 0b01,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss8` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     gauss8 = 0b10,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss12` should have an upper camel case name
[INFO] [stderr]    --> src/lib.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     gauss12 = 0b11
[INFO] [stderr]     |     ^^^^^^^ help: convert the identifier to upper camel case: `Gauss12`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:152:34
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn new(mut accel_mag: T, mut accel_mag_settings: LSM303DSettings) -> Result<LSM303D<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:164:13
[INFO] [stderr]     |
[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);
[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/lib.rs:167:13
[INFO] [stderr]     |
[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
[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/lib.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let mut ctrl_reg6: u8 = 0_u8 | ((accel_mag_settings.magnetometer_sensitivity as u8) << 5);
[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/lib.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut a_gain: f32;
[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/lib.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut m_gain: f32;
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut i2cdev = get_linux_lsm303d_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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i2cdev_lsm303d-066bd89046cd6cf6
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lsm303d_bin-7ba39e190bd24b99
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i2cdev_lsm303d
[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] warning: variant `g2` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     g2 = 0b000,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g4` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     g4 = 0b001,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g6` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     g6 = 0b010,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G6`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g8` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     g8 = 0b011,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `G8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `g16` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     g16 = 0b100
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case: `G16`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss2` should have an upper camel case name
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     gauss2 = 0b00,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss2`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss4` should have an upper camel case name
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     gauss4 = 0b01,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss8` should have an upper camel case name
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     gauss8 = 0b10,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `Gauss8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gauss12` should have an upper camel case name
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     gauss12 = 0b11
[INFO] [stderr]     |     ^^^^^^^ help: convert the identifier to upper camel case: `Gauss12`
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8baf67703ca3b52bba5e26d97b2c01e94fb7072d3ab8a711bc2ee43ccf3ea5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8baf67703ca3b52bba5e26d97b2c01e94fb7072d3ab8a711bc2ee43ccf3ea5d1", kill_on_drop: false }`
[INFO] [stdout] 8baf67703ca3b52bba5e26d97b2c01e94fb7072d3ab8a711bc2ee43ccf3ea5d1