[INFO] fetching crate drogue-mpu-6050 0.1.0...
[INFO] testing drogue-mpu-6050-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate drogue-mpu-6050 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate drogue-mpu-6050 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drogue-embedded-timer v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 076c504b3a729e3d136eb8a3647bdd06f1fc83d4159c4b1e39648ad4d6a69acd
[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" "076c504b3a729e3d136eb8a3647bdd06f1fc83d4159c4b1e39648ad4d6a69acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "076c504b3a729e3d136eb8a3647bdd06f1fc83d4159c4b1e39648ad4d6a69acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076c504b3a729e3d136eb8a3647bdd06f1fc83d4159c4b1e39648ad4d6a69acd", kill_on_drop: false }`
[INFO] [stdout] 076c504b3a729e3d136eb8a3647bdd06f1fc83d4159c4b1e39648ad4d6a69acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4fb1aaef6d7d244ffced95d94373f9105c41a70ca321ece4e90b71ddf3b486a
[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" "a4fb1aaef6d7d244ffced95d94373f9105c41a70ca321ece4e90b71ddf3b486a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cortex-m v0.6.4
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.10.1
[INFO] [stderr]    Compiling drogue-embedded-timer v0.2.1
[INFO] [stderr]    Compiling 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]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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:222:13
[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 is never constructed: `GyroBiases`
[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 `core::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "a4fb1aaef6d7d244ffced95d94373f9105c41a70ca321ece4e90b71ddf3b486a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4fb1aaef6d7d244ffced95d94373f9105c41a70ca321ece4e90b71ddf3b486a", kill_on_drop: false }`
[INFO] [stdout] a4fb1aaef6d7d244ffced95d94373f9105c41a70ca321ece4e90b71ddf3b486a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 994e84026a6601673759b9d2808b0468aa5bb48c3bb869c212d48b84006d40f2
[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" "994e84026a6601673759b9d2808b0468aa5bb48c3bb869c212d48b84006d40f2", kill_on_drop: false }`
[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]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling drogue-mpu-6050 v0.1.0 (/opt/rustwide/workdir)
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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:222:13
[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 is never constructed: `GyroBiases`
[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 `core::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[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]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]     |                  ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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]    |                                 ^^^^^^^^ help: remove these parentheses
[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:222:13
[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 is never constructed: `GyroBiases`
[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 `core::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "994e84026a6601673759b9d2808b0468aa5bb48c3bb869c212d48b84006d40f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994e84026a6601673759b9d2808b0468aa5bb48c3bb869c212d48b84006d40f2", kill_on_drop: false }`
[INFO] [stdout] 994e84026a6601673759b9d2808b0468aa5bb48c3bb869c212d48b84006d40f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4974413cc94e68bd760c125aeb961575dec1c3b48b6ae79e1396f1936b951eb5
[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" "4974413cc94e68bd760c125aeb961575dec1c3b48b6ae79e1396f1936b951eb5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::marker::PhantomData`
[INFO] [stderr]   --> src/sensor.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use core::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:109:18
[INFO] [stderr]     |
[INFO] [stderr] 109 |         value |= (1 << 7);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:118:18
[INFO] [stderr]     |
[INFO] [stderr] 118 |         value |= (1 << 0);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:142:18
[INFO] [stderr]     |
[INFO] [stderr] 142 |         value |= ((scale as u8) << 3);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:148:18
[INFO] [stderr]     |
[INFO] [stderr] 148 |         value |= ((scale as u8) << 3);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:158:18
[INFO] [stderr]     |
[INFO] [stderr] 158 |         value |= (filter as u8);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:164:18
[INFO] [stderr]     |
[INFO] [stderr] 164 |         value |= (1 << 2);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:170:18
[INFO] [stderr]     |
[INFO] [stderr] 170 |         value |= (1 << 6);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |         value |= (1 << 7);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:192:18
[INFO] [stderr]     |
[INFO] [stderr] 192 |         value |= (1 << 3);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:36:33
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if self.temp  { byte |= (1 << 7) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if self.xg    { byte |= (1 << 6) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:38:33
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if self.yg    { byte |= (1 << 5) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if self.zg    { byte |= (1 << 4) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if self.accel { byte |= (1 << 3) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if self.slv2  { byte |= (1 << 2) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 |         if self.slv1  { byte |= (1 << 1) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:43:33
[INFO] [stderr]    |
[INFO] [stderr] 43 |         if self.slv0  { byte |= (1 << 0) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loops`
[INFO] [stderr]    --> src/sensor.rs:136:39
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn calibrate_accel(&mut self, loops: u8) -> Result<(), Error<I2c>> {
[INFO] [stderr]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_loops`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/sensor.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut value = self.read_registers(Register::FifoCount_H, &mut buf)?;
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/sensor.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut value = self.read_registers(Register::FifoCount_H, &mut buf)?;
[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: struct is never constructed: `GyroBiases`
[INFO] [stderr]   --> src/gyro.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct GyroBiases {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `core::result::Result` that must be used
[INFO] [stderr]    --> src/sensor.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         self.write_register(Register::PwrMgmt1, value);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `core::result::Result` that must be used
[INFO] [stderr]   --> src/firmware_loader.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.set_bank(bank);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::marker::PhantomData`
[INFO] [stderr]   --> src/sensor.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use core::marker::PhantomData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:109:18
[INFO] [stderr]     |
[INFO] [stderr] 109 |         value |= (1 << 7);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:118:18
[INFO] [stderr]     |
[INFO] [stderr] 118 |         value |= (1 << 0);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:142:18
[INFO] [stderr]     |
[INFO] [stderr] 142 |         value |= ((scale as u8) << 3);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:148:18
[INFO] [stderr]     |
[INFO] [stderr] 148 |         value |= ((scale as u8) << 3);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:158:18
[INFO] [stderr]     |
[INFO] [stderr] 158 |         value |= (filter as u8);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:164:18
[INFO] [stderr]     |
[INFO] [stderr] 164 |         value |= (1 << 2);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:170:18
[INFO] [stderr]     |
[INFO] [stderr] 170 |         value |= (1 << 6);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |         value |= (1 << 7);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/sensor.rs:192:18
[INFO] [stderr]     |
[INFO] [stderr] 192 |         value |= (1 << 3);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:36:33
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if self.temp  { byte |= (1 << 7) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if self.xg    { byte |= (1 << 6) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:38:33
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if self.yg    { byte |= (1 << 5) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if self.zg    { byte |= (1 << 4) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/fifo.rs:40:33
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 40 |         if self.accel { byte |= (1 << 3) }
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if self.slv2  { byte |= (1 << 2) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 |         if self.slv1  { byte |= (1 << 1) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/fifo.rs:43:33
[INFO] [stderr]    |
[INFO] [stderr] 43 |         if self.slv0  { byte |= (1 << 0) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loops`
[INFO] [stderr]    --> src/sensor.rs:136:39
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn calibrate_accel(&mut self, loops: u8) -> Result<(), Error<I2c>> {
[INFO] [stderr]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_loops`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/sensor.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut value = self.read_registers(Register::FifoCount_H, &mut buf)?;
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/sensor.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut value = self.read_registers(Register::FifoCount_H, &mut buf)?;
[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: struct is never constructed: `GyroBiases`
[INFO] [stderr]   --> src/gyro.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct GyroBiases {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `core::result::Result` that must be used
[INFO] [stderr]    --> src/sensor.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         self.write_register(Register::PwrMgmt1, value);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `core::result::Result` that must be used
[INFO] [stderr]   --> src/firmware_loader.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.set_bank(bank);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/drogue_mpu_6050-b5d756a0462fc0ce
[INFO] [stderr]    Doc-tests drogue-mpu-6050
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:109:18
[INFO] [stderr]     |
[INFO] [stderr] 109 |         value |= (1 << 7);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:118:18
[INFO] [stderr]     |
[INFO] [stderr] 118 |         value |= (1 << 0);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:142:18
[INFO] [stderr]     |
[INFO] [stderr] 142 |         value |= ((scale as u8) << 3);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:148:18
[INFO] [stderr]     |
[INFO] [stderr] 148 |         value |= ((scale as u8) << 3);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:158:18
[INFO] [stderr]     |
[INFO] [stderr] 158 |         value |= (filter as u8);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:164:18
[INFO] [stderr]     |
[INFO] [stderr] 164 |         value |= (1 << 2);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:170:18
[INFO] [stderr]     |
[INFO] [stderr] 170 |         value |= (1 << 6);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |         value |= (1 << 7);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/sensor.rs:192:18
[INFO] [stderr]     |
[INFO] [stderr] 192 |         value |= (1 << 3);
[INFO] [stderr]     |                  ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/fifo.rs:36:33
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if self.temp  { byte |= (1 << 7) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/fifo.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if self.xg    { byte |= (1 << 6) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/fifo.rs:38:33
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if self.yg    { byte |= (1 << 5) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/fifo.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if self.zg    { byte |= (1 << 4) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/fifo.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if self.accel { byte |= (1 << 3) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/fifo.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if self.slv2  { byte |= (1 << 2) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/fifo.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 |         if self.slv1  { byte |= (1 << 1) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/fifo.rs:43:33
[INFO] [stderr]    |
[INFO] [stderr] 43 |         if self.slv0  { byte |= (1 << 0) }
[INFO] [stderr]    |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 17 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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4974413cc94e68bd760c125aeb961575dec1c3b48b6ae79e1396f1936b951eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4974413cc94e68bd760c125aeb961575dec1c3b48b6ae79e1396f1936b951eb5", kill_on_drop: false }`
[INFO] [stdout] 4974413cc94e68bd760c125aeb961575dec1c3b48b6ae79e1396f1936b951eb5