[INFO] fetching crate ufire_ec 2.0.0... [INFO] checking ufire_ec-2.0.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate ufire_ec 2.0.0 into /workspace/builds/worker-26/source [INFO] validating manifest of crates.io crate ufire_ec 2.0.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ufire_ec 2.0.0 [INFO] finished tweaking crates.io crate ufire_ec 2.0.0 [INFO] tweaked toml for crates.io crate ufire_ec 2.0.0 written to /workspace/builds/worker-26/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e0b74116c7f6c6184c82972913b6494cd57c0a867ea225c9152f492e9168dda [INFO] running `Command { std: "docker" "start" "-a" "7e0b74116c7f6c6184c82972913b6494cd57c0a867ea225c9152f492e9168dda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e0b74116c7f6c6184c82972913b6494cd57c0a867ea225c9152f492e9168dda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e0b74116c7f6c6184c82972913b6494cd57c0a867ea225c9152f492e9168dda", kill_on_drop: false }` [INFO] [stdout] 7e0b74116c7f6c6184c82972913b6494cd57c0a867ea225c9152f492e9168dda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 642e0c9b911046e3efeb27255beb1c9e14556f9e6f203b6e5a10e4add7096524 [INFO] running `Command { std: "docker" "start" "-a" "642e0c9b911046e3efeb27255beb1c9e14556f9e6f203b6e5a10e4add7096524", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bytecount v0.6.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling cargo-platform v0.1.2 [INFO] [stderr] Compiling cargo_metadata v0.12.3 [INFO] [stderr] Compiling skeptic v0.13.6 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Checking ufire_ec v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:71:46 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn measure_temp(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - pub fn measure_temp(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 71 + pub fn measure_temp(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:128:60 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn measure_ec(&mut self, new_temp: bool) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 128 - pub fn measure_ec(&mut self, new_temp: bool) -> Result<(f32), Box> { [INFO] [stdout] 128 + pub fn measure_ec(&mut self, new_temp: bool) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:71:46 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn measure_temp(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - pub fn measure_temp(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 71 + pub fn measure_temp(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:146:45 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn measure_raw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 146 - pub fn measure_raw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 146 + pub fn measure_raw(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:160:44 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn measure_sw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 160 - pub fn measure_sw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 160 + pub fn measure_sw(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:128:60 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn measure_ec(&mut self, new_temp: bool) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 128 - pub fn measure_ec(&mut self, new_temp: bool) -> Result<(f32), Box> { [INFO] [stdout] 128 + pub fn measure_ec(&mut self, new_temp: bool) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:188:51 [INFO] [stdout] | [INFO] [stdout] 188 | pub fn get_temp_constant(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 188 - pub fn get_temp_constant(&mut self) -> Result<(u8), Box> { [INFO] [stdout] 188 + pub fn get_temp_constant(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:146:45 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn measure_raw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 146 - pub fn measure_raw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 146 + pub fn measure_raw(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:201:52 [INFO] [stdout] | [INFO] [stdout] 201 | pub fn get_calibration_ec(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 201 - pub fn get_calibration_ec(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 201 + pub fn get_calibration_ec(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:160:44 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn measure_sw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 160 - pub fn measure_sw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 160 + pub fn measure_sw(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:213:52 [INFO] [stdout] | [INFO] [stdout] 213 | pub fn get_calibration_sw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 213 - pub fn get_calibration_sw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 213 + pub fn get_calibration_sw(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:188:51 [INFO] [stdout] | [INFO] [stdout] 188 | pub fn get_temp_constant(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 188 - pub fn get_temp_constant(&mut self) -> Result<(u8), Box> { [INFO] [stdout] 188 + pub fn get_temp_constant(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:225:59 [INFO] [stdout] | [INFO] [stdout] 225 | pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 225 - pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box> { [INFO] [stdout] 225 + pub fn read_eeprom(&mut self, address: f32) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:201:52 [INFO] [stdout] | [INFO] [stdout] 201 | pub fn get_calibration_ec(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 201 - pub fn get_calibration_ec(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 201 + pub fn get_calibration_ec(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:239:72 [INFO] [stdout] | [INFO] [stdout] 239 | pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 239 - pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box> { [INFO] [stdout] 239 + pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:213:52 [INFO] [stdout] | [INFO] [stdout] 213 | pub fn get_calibration_sw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 213 - pub fn get_calibration_sw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] 213 + pub fn get_calibration_sw(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:275:45 [INFO] [stdout] | [INFO] [stdout] 275 | pub fn get_version(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 275 - pub fn get_version(&mut self) -> Result<(u8), Box> { [INFO] [stdout] 275 + pub fn get_version(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:225:59 [INFO] [stdout] | [INFO] [stdout] 225 | pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 225 - pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box> { [INFO] [stdout] 225 + pub fn read_eeprom(&mut self, address: f32) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:287:46 [INFO] [stdout] | [INFO] [stdout] 287 | pub fn get_firmware(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 287 - pub fn get_firmware(&mut self) -> Result<(u8), Box> { [INFO] [stdout] 287 + pub fn get_firmware(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:239:72 [INFO] [stdout] | [INFO] [stdout] 239 | pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 239 - pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box> { [INFO] [stdout] 239 + pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:318:64 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn using_temperature_compensation(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 318 - pub fn using_temperature_compensation(&mut self) -> Result<(u8), Box> { [INFO] [stdout] 318 + pub fn using_temperature_compensation(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:275:45 [INFO] [stdout] | [INFO] [stdout] 275 | pub fn get_version(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 275 - pub fn get_version(&mut self) -> Result<(u8), Box> { [INFO] [stdout] 275 + pub fn get_version(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:354:62 [INFO] [stdout] | [INFO] [stdout] 354 | pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 354 - pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box> { [INFO] [stdout] 354 + pub fn _read_register(&mut self, register: u8) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:287:46 [INFO] [stdout] | [INFO] [stdout] 287 | pub fn get_firmware(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 287 - pub fn get_firmware(&mut self) -> Result<(u8), Box> { [INFO] [stdout] 287 + pub fn get_firmware(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:318:64 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn using_temperature_compensation(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 318 - pub fn using_temperature_compensation(&mut self) -> Result<(u8), Box> { [INFO] [stdout] 318 + pub fn using_temperature_compensation(&mut self) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:354:62 [INFO] [stdout] | [INFO] [stdout] 354 | pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 354 - pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box> { [INFO] [stdout] 354 + pub fn _read_register(&mut self, register: u8) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.25s [INFO] running `Command { std: "docker" "inspect" "642e0c9b911046e3efeb27255beb1c9e14556f9e6f203b6e5a10e4add7096524", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "642e0c9b911046e3efeb27255beb1c9e14556f9e6f203b6e5a10e4add7096524", kill_on_drop: false }` [INFO] [stdout] 642e0c9b911046e3efeb27255beb1c9e14556f9e6f203b6e5a10e4add7096524