[INFO] fetching crate drogue-mpu-6050 0.1.0...
[INFO] checking drogue-mpu-6050-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate drogue-mpu-6050 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate drogue-mpu-6050 0.1.0
[INFO] finished tweaking crates.io crate drogue-mpu-6050 0.1.0
[INFO] tweaked toml for crates.io crate drogue-mpu-6050 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate drogue-mpu-6050 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding embedded-time v0.10.1 (available: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b008acb82b753ce04a27abb0ff76579719f74b001f529375d3fa51f515e2de5
[INFO] running `Command { std: "docker" "start" "-a" "2b008acb82b753ce04a27abb0ff76579719f74b001f529375d3fa51f515e2de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b008acb82b753ce04a27abb0ff76579719f74b001f529375d3fa51f515e2de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b008acb82b753ce04a27abb0ff76579719f74b001f529375d3fa51f515e2de5", kill_on_drop: false }`
[INFO] [stdout] 2b008acb82b753ce04a27abb0ff76579719f74b001f529375d3fa51f515e2de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4726cad09293013a05993177a8ac8cfcaaf1795789ffb0d56954101ccbfc72f1
[INFO] running `Command { std: "docker" "start" "-a" "4726cad09293013a05993177a8ac8cfcaaf1795789ffb0d56954101ccbfc72f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.10.1
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]     Checking drogue-embedded-timer v0.2.1
[INFO] [stderr]     Checking drogue-mpu-6050 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::marker::PhantomData`
[INFO] [stdout]   --> src/sensor.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use core::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |         value |= (1 << 7);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 -         value |= (1 << 7);
[INFO] [stdout] 109 +         value |= 1 << 7;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |         value |= (1 << 0);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 -         value |= (1 << 0);
[INFO] [stdout] 118 +         value |= 1 << 0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:142:18
[INFO] [stdout]     |
[INFO] [stdout] 142 |         value |= ((scale as u8) << 3);
[INFO] [stdout]     |                  ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 142 -         value |= ((scale as u8) << 3);
[INFO] [stdout] 142 +         value |= (scale as u8) << 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:148:18
[INFO] [stdout]     |
[INFO] [stdout] 148 |         value |= ((scale as u8) << 3);
[INFO] [stdout]     |                  ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 -         value |= ((scale as u8) << 3);
[INFO] [stdout] 148 +         value |= (scale as u8) << 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:158:18
[INFO] [stdout]     |
[INFO] [stdout] 158 |         value |= (filter as u8);
[INFO] [stdout]     |                  ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -         value |= (filter as u8);
[INFO] [stdout] 158 +         value |= filter as u8;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:164:18
[INFO] [stdout]     |
[INFO] [stdout] 164 |         value |= (1 << 2);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -         value |= (1 << 2);
[INFO] [stdout] 164 +         value |= 1 << 2;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |         value |= (1 << 6);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 -         value |= (1 << 6);
[INFO] [stdout] 170 +         value |= 1 << 6;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |         value |= (1 << 7);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         value |= (1 << 7);
[INFO] [stdout] 178 +         value |= 1 << 7;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:192:18
[INFO] [stdout]     |
[INFO] [stdout] 192 |         value |= (1 << 3);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -         value |= (1 << 3);
[INFO] [stdout] 192 +         value |= 1 << 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:36:33
[INFO] [stdout]    |
[INFO] [stdout] 36 |         if self.temp  { byte |= (1 << 7) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         if self.temp  { byte |= (1 << 7) }
[INFO] [stdout] 36 +         if self.temp  { byte |= 1 << 7 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |         if self.xg    { byte |= (1 << 6) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -         if self.xg    { byte |= (1 << 6) }
[INFO] [stdout] 37 +         if self.xg    { byte |= 1 << 6 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |         if self.yg    { byte |= (1 << 5) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -         if self.yg    { byte |= (1 << 5) }
[INFO] [stdout] 38 +         if self.yg    { byte |= 1 << 5 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if self.zg    { byte |= (1 << 4) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         if self.zg    { byte |= (1 << 4) }
[INFO] [stdout] 39 +         if self.zg    { byte |= 1 << 4 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if self.accel { byte |= (1 << 3) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -         if self.accel { byte |= (1 << 3) }
[INFO] [stdout] 40 +         if self.accel { byte |= 1 << 3 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |         if self.slv2  { byte |= (1 << 2) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -         if self.slv2  { byte |= (1 << 2) }
[INFO] [stdout] 41 +         if self.slv2  { byte |= 1 << 2 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if self.slv1  { byte |= (1 << 1) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -         if self.slv1  { byte |= (1 << 1) }
[INFO] [stdout] 42 +         if self.slv1  { byte |= 1 << 1 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if self.slv0  { byte |= (1 << 0) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -         if self.slv0  { byte |= (1 << 0) }
[INFO] [stdout] 43 +         if self.slv0  { byte |= 1 << 0 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loops`
[INFO] [stdout]    --> src/sensor.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn calibrate_accel(&mut self, loops: u8) -> Result<(), Error<I2c>> {
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_loops`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/sensor.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut value = self.read_registers(Register::FifoCount_H, &mut buf)?;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sensor.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut value = self.read_registers(Register::FifoCount_H, &mut buf)?;
[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: struct `GyroBiases` is never constructed
[INFO] [stdout]   --> src/gyro.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct GyroBiases {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/sensor.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.write_register(Register::PwrMgmt1, value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let _ = self.write_register(Register::PwrMgmt1, value);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/firmware_loader.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         self.set_bank(bank);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = self.set_bank(bank);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::marker::PhantomData`
[INFO] [stdout]   --> src/sensor.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use core::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |         value |= (1 << 7);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 -         value |= (1 << 7);
[INFO] [stdout] 109 +         value |= 1 << 7;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |         value |= (1 << 0);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 -         value |= (1 << 0);
[INFO] [stdout] 118 +         value |= 1 << 0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:142:18
[INFO] [stdout]     |
[INFO] [stdout] 142 |         value |= ((scale as u8) << 3);
[INFO] [stdout]     |                  ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 142 -         value |= ((scale as u8) << 3);
[INFO] [stdout] 142 +         value |= (scale as u8) << 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:148:18
[INFO] [stdout]     |
[INFO] [stdout] 148 |         value |= ((scale as u8) << 3);
[INFO] [stdout]     |                  ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 -         value |= ((scale as u8) << 3);
[INFO] [stdout] 148 +         value |= (scale as u8) << 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:158:18
[INFO] [stdout]     |
[INFO] [stdout] 158 |         value |= (filter as u8);
[INFO] [stdout]     |                  ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -         value |= (filter as u8);
[INFO] [stdout] 158 +         value |= filter as u8;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:164:18
[INFO] [stdout]     |
[INFO] [stdout] 164 |         value |= (1 << 2);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -         value |= (1 << 2);
[INFO] [stdout] 164 +         value |= 1 << 2;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |         value |= (1 << 6);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 -         value |= (1 << 6);
[INFO] [stdout] 170 +         value |= 1 << 6;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |         value |= (1 << 7);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         value |= (1 << 7);
[INFO] [stdout] 178 +         value |= 1 << 7;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/sensor.rs:192:18
[INFO] [stdout]     |
[INFO] [stdout] 192 |         value |= (1 << 3);
[INFO] [stdout]     |                  ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -         value |= (1 << 3);
[INFO] [stdout] 192 +         value |= 1 << 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:36:33
[INFO] [stdout]    |
[INFO] [stdout] 36 |         if self.temp  { byte |= (1 << 7) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         if self.temp  { byte |= (1 << 7) }
[INFO] [stdout] 36 +         if self.temp  { byte |= 1 << 7 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |         if self.xg    { byte |= (1 << 6) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -         if self.xg    { byte |= (1 << 6) }
[INFO] [stdout] 37 +         if self.xg    { byte |= 1 << 6 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |         if self.yg    { byte |= (1 << 5) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -         if self.yg    { byte |= (1 << 5) }
[INFO] [stdout] 38 +         if self.yg    { byte |= 1 << 5 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if self.zg    { byte |= (1 << 4) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         if self.zg    { byte |= (1 << 4) }
[INFO] [stdout] 39 +         if self.zg    { byte |= 1 << 4 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if self.accel { byte |= (1 << 3) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -         if self.accel { byte |= (1 << 3) }
[INFO] [stdout] 40 +         if self.accel { byte |= 1 << 3 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |         if self.slv2  { byte |= (1 << 2) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -         if self.slv2  { byte |= (1 << 2) }
[INFO] [stdout] 41 +         if self.slv2  { byte |= 1 << 2 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if self.slv1  { byte |= (1 << 1) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -         if self.slv1  { byte |= (1 << 1) }
[INFO] [stdout] 42 +         if self.slv1  { byte |= 1 << 1 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/fifo.rs:43:33
[INFO] [stdout]    |
[INFO] [stdout] 43 |         if self.slv0  { byte |= (1 << 0) }
[INFO] [stdout]    |                                 ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -         if self.slv0  { byte |= (1 << 0) }
[INFO] [stdout] 43 +         if self.slv0  { byte |= 1 << 0 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loops`
[INFO] [stdout]    --> src/sensor.rs:136:39
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn calibrate_accel(&mut self, loops: u8) -> Result<(), Error<I2c>> {
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_loops`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/sensor.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut value = self.read_registers(Register::FifoCount_H, &mut buf)?;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sensor.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut value = self.read_registers(Register::FifoCount_H, &mut buf)?;
[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: struct `GyroBiases` is never constructed
[INFO] [stdout]   --> src/gyro.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct GyroBiases {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/sensor.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.write_register(Register::PwrMgmt1, value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let _ = self.write_register(Register::PwrMgmt1, value);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/firmware_loader.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         self.set_bank(bank);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = self.set_bank(bank);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "4726cad09293013a05993177a8ac8cfcaaf1795789ffb0d56954101ccbfc72f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4726cad09293013a05993177a8ac8cfcaaf1795789ffb0d56954101ccbfc72f1", kill_on_drop: false }`
[INFO] [stdout] 4726cad09293013a05993177a8ac8cfcaaf1795789ffb0d56954101ccbfc72f1