[INFO] fetching crate ufire_iso_ec 0.9.2...
[INFO] documenting ufire_iso_ec-0.9.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate ufire_iso_ec 0.9.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ufire_iso_ec 0.9.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ufire_iso_ec 0.9.2
[INFO] finished tweaking crates.io crate ufire_iso_ec 0.9.2
[INFO] tweaked toml for crates.io crate ufire_iso_ec 0.9.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shrust v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1063ee25569724d8f46e551b22cb92e3681949b6c34701ff57e17cb6e0fc76a0
[INFO] running `Command { std: "docker" "start" "-a" "1063ee25569724d8f46e551b22cb92e3681949b6c34701ff57e17cb6e0fc76a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1063ee25569724d8f46e551b22cb92e3681949b6c34701ff57e17cb6e0fc76a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1063ee25569724d8f46e551b22cb92e3681949b6c34701ff57e17cb6e0fc76a0", kill_on_drop: false }`
[INFO] [stdout] 1063ee25569724d8f46e551b22cb92e3681949b6c34701ff57e17cb6e0fc76a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5de967de9963121c607bd1fbf32a8fcc9a0a1a56eb611690d7b42268daa38c0
[INFO] running `Command { std: "docker" "start" "-a" "e5de967de9963121c607bd1fbf32a8fcc9a0a1a56eb611690d7b42268daa38c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking shrust v0.0.6
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking ufire_iso_ec v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ufire_iso_ec v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:75:46
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]    |                                              ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 75 +     pub fn measure_temp(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:75:46
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]    |                                              ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 75 +     pub fn measure_temp(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:147:57
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                         ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 147 +     pub fn measure_ec(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:147:57
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                         ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 147 +     pub fn measure_ec(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:163:63
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                               ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 163 +     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:163:63
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                               ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 163 +     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:199:45
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 -     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 199 +     pub fn measure_raw(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:199:45
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 -     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 199 +     pub fn measure_raw(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:226:51
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 226 -     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 226 +     pub fn get_temp_constant(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:226:51
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 226 -     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 226 +     pub fn get_temp_constant(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:250:54
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                      ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 250 +     pub fn get_temp_coefficient(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:262:59
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                           ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 262 -     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 262 +     pub fn read_eeprom(&mut self, address: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:250:54
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                      ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 250 +     pub fn get_temp_coefficient(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:262:59
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                           ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 262 -     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 262 +     pub fn read_eeprom(&mut self, address: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:276:72
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                                        ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 -     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 276 +     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:290:45
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 290 +     pub fn get_version(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:276:72
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                                        ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 -     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 276 +     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:290:45
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 290 +     pub fn get_version(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:302:46
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 302 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 302 +     pub fn get_firmware(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:302:46
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 302 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 302 +     pub fn get_firmware(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:373:54
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                      ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 373 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 373 +     pub fn get_calibrate_offset(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:373:54
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                      ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 373 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 373 +     pub fn get_calibrate_offset(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:384:62
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 384 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 384 +     pub fn get_calibrate_high_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:384:62
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 384 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 384 +     pub fn get_calibrate_high_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:395:60
[INFO] [stdout]     |
[INFO] [stdout] 395 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                            ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 395 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 395 +     pub fn get_calibrate_high_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:395:60
[INFO] [stdout]     |
[INFO] [stdout] 395 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                            ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 395 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 395 +     pub fn get_calibrate_high_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:406:61
[INFO] [stdout]     |
[INFO] [stdout] 406 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                             ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 406 +     pub fn get_calibrate_low_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:406:61
[INFO] [stdout]     |
[INFO] [stdout] 406 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                             ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 406 +     pub fn get_calibrate_low_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:417:59
[INFO] [stdout]     |
[INFO] [stdout] 417 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                           ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 417 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 417 +     pub fn get_calibrate_low_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:417:59
[INFO] [stdout]     |
[INFO] [stdout] 417 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                           ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 417 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 417 +     pub fn get_calibrate_low_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:437:62
[INFO] [stdout]     |
[INFO] [stdout] 437 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 437 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 437 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:437:62
[INFO] [stdout]     |
[INFO] [stdout] 437 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 437 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 437 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.98s
[INFO] running `Command { std: "docker" "inspect" "e5de967de9963121c607bd1fbf32a8fcc9a0a1a56eb611690d7b42268daa38c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5de967de9963121c607bd1fbf32a8fcc9a0a1a56eb611690d7b42268daa38c0", kill_on_drop: false }`
[INFO] [stdout] e5de967de9963121c607bd1fbf32a8fcc9a0a1a56eb611690d7b42268daa38c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b96d87e13722af7f095f7e1b1231f5d7634aa7ea000d2b0b5dc6682af00cb6f
[INFO] running `Command { std: "docker" "start" "-a" "7b96d87e13722af7f095f7e1b1231f5d7634aa7ea000d2b0b5dc6682af00cb6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting ufire_iso_ec v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:75:46
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]    |                                              ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 75 +     pub fn measure_temp(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:147:57
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                         ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 147 +     pub fn measure_ec(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:163:63
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                               ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 163 +     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:199:45
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 -     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 199 +     pub fn measure_raw(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:226:51
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 226 -     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 226 +     pub fn get_temp_constant(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:250:54
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                      ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 250 +     pub fn get_temp_coefficient(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:262:59
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                           ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 262 -     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 262 +     pub fn read_eeprom(&mut self, address: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:276:72
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                                        ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 -     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 276 +     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:290:45
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 290 +     pub fn get_version(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:302:46
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 302 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 302 +     pub fn get_firmware(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:373:54
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                      ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 373 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 373 +     pub fn get_calibrate_offset(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:384:62
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 384 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 384 +     pub fn get_calibrate_high_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:395:60
[INFO] [stdout]     |
[INFO] [stdout] 395 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                            ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 395 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 395 +     pub fn get_calibrate_high_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:406:61
[INFO] [stdout]     |
[INFO] [stdout] 406 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                             ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 406 +     pub fn get_calibrate_low_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:417:59
[INFO] [stdout]     |
[INFO] [stdout] 417 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                           ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 417 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 417 +     pub fn get_calibrate_low_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:437:62
[INFO] [stdout]     |
[INFO] [stdout] 437 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 437 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 437 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7b96d87e13722af7f095f7e1b1231f5d7634aa7ea000d2b0b5dc6682af00cb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b96d87e13722af7f095f7e1b1231f5d7634aa7ea000d2b0b5dc6682af00cb6f", kill_on_drop: false }`
[INFO] [stdout] 7b96d87e13722af7f095f7e1b1231f5d7634aa7ea000d2b0b5dc6682af00cb6f
