[INFO] fetching crate ufire_iso_ec 0.9.2...
[INFO] building ufire_iso_ec-0.9.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ufire_iso_ec 0.9.2 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ufire_iso_ec 0.9.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding i2cdev v0.3.2 (available: v0.6.1)
[INFO] [stderr]       Adding shrust v0.0.6 (available: v0.0.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 298c0714881feab110d77612954e0d6baee34ded42037aced81ebed62ea0dfe2
[INFO] running `Command { std: "docker" "start" "-a" "298c0714881feab110d77612954e0d6baee34ded42037aced81ebed62ea0dfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "298c0714881feab110d77612954e0d6baee34ded42037aced81ebed62ea0dfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298c0714881feab110d77612954e0d6baee34ded42037aced81ebed62ea0dfe2", kill_on_drop: false }`
[INFO] [stdout] 298c0714881feab110d77612954e0d6baee34ded42037aced81ebed62ea0dfe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acd7da943211b7439c9c29f03dad73f5aa70a273309e3d39f7ec15daaa7c0530
[INFO] running `Command { std: "docker" "start" "-a" "acd7da943211b7439c9c29f03dad73f5aa70a273309e3d39f7ec15daaa7c0530", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling camino v1.2.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling shrust v0.0.6
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:423:32
[INFO] [stdout]     |
[INFO] [stdout] 423 |             let buf: [u8; 4] = mem::transmute(f_val);
[INFO] [stdout]     |                                --------------^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |         try!(writeln!(io, "Config:"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |         try!(writeln!(io, "    offset: {}", ec.get_calibrate_offset().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(writeln!(io, "    dual point:"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(writeln!(io, "        low reference / read: {} / {}",
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(writeln!(io, "        high reference / read: {} / {}",
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |         try!(writeln!(io, "    temp. compensation:"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(writeln!(io, "        temp. constant: {}", ec.get_temp_constant().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(writeln!(io, "        temp. coeffiecient: {}", ec.get_temp_coefficient().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(writeln!(io, "    version hw.fw: {}.{}", ec.get_version().unwrap(),ec.get_firmware().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:39:3
[INFO] [stdout]    |
[INFO] [stdout] 39 |         try!(writeln!(io, "C: {}", temp_c));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(writeln!(io, "mS: {}", ms));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(writeln!(io, "PSU: {}", sal));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |         try!(writeln!(io, "raw: {}", raw));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(writeln!(io, "    offset: {}", ec.get_calibrate_offset().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 |         try!(writeln!(io, "    temp. constant: {}", ec.get_temp_constant().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 |         try!(writeln!(io, "    low reference / read: {} / {}",
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:90:3
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(writeln!(io, "    high reference / read: {} / {}",
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:99:3
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(writeln!(io, "    temp. coefficient: {}", ec.get_temp_coefficient().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:105:3
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(writeln!(io, "    version: {}.{}", ec.get_version().unwrap(),ec.get_firmware().unwrap()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(writeln!(io, "    I2C Address: {}", v[0]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:120:3
[INFO] [stdout]     |
[INFO] [stdout] 120 |         try!(writeln!(io, "{}", eeprom));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.75s
[INFO] running `Command { std: "docker" "inspect" "acd7da943211b7439c9c29f03dad73f5aa70a273309e3d39f7ec15daaa7c0530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd7da943211b7439c9c29f03dad73f5aa70a273309e3d39f7ec15daaa7c0530", kill_on_drop: false }`
[INFO] [stdout] acd7da943211b7439c9c29f03dad73f5aa70a273309e3d39f7ec15daaa7c0530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db9548aa33358a43f3e2c29194a5387bc8119f4d4a3e30e432dffaf7ed4ac487
[INFO] running `Command { std: "docker" "start" "-a" "db9548aa33358a43f3e2c29194a5387bc8119f4d4a3e30e432dffaf7ed4ac487", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling ufire_iso_ec v0.9.2 (/opt/rustwide/workdir)
[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: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:423:32
[INFO] [stdout]     |
[INFO] [stdout] 423 |             let buf: [u8; 4] = mem::transmute(f_val);
[INFO] [stdout]     |                                --------------^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[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)]` (part of `#[warn(unused)]`) 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: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:423:32
[INFO] [stdout]     |
[INFO] [stdout] 423 |             let buf: [u8; 4] = mem::transmute(f_val);
[INFO] [stdout]     |                                --------------^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |         try!(writeln!(io, "Config:"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |         try!(writeln!(io, "    offset: {}", ec.get_calibrate_offset().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(writeln!(io, "    dual point:"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(writeln!(io, "        low reference / read: {} / {}",
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(writeln!(io, "        high reference / read: {} / {}",
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |         try!(writeln!(io, "    temp. compensation:"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(writeln!(io, "        temp. constant: {}", ec.get_temp_constant().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(writeln!(io, "        temp. coeffiecient: {}", ec.get_temp_coefficient().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(writeln!(io, "    version hw.fw: {}.{}", ec.get_version().unwrap(),ec.get_firmware().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:39:3
[INFO] [stdout]    |
[INFO] [stdout] 39 |         try!(writeln!(io, "C: {}", temp_c));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(writeln!(io, "mS: {}", ms));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(writeln!(io, "PSU: {}", sal));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:60:3
[INFO] [stdout]    |
[INFO] [stdout] 60 |         try!(writeln!(io, "raw: {}", raw));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(writeln!(io, "    offset: {}", ec.get_calibrate_offset().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 |         try!(writeln!(io, "    temp. constant: {}", ec.get_temp_constant().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 |         try!(writeln!(io, "    low reference / read: {} / {}",
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:90:3
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(writeln!(io, "    high reference / read: {} / {}",
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:99:3
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(writeln!(io, "    temp. coefficient: {}", ec.get_temp_coefficient().unwrap()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:105:3
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(writeln!(io, "    version: {}.{}", ec.get_version().unwrap(),ec.get_firmware().unwrap()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(writeln!(io, "    I2C Address: {}", v[0]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:120:3
[INFO] [stdout]     |
[INFO] [stdout] 120 |         try!(writeln!(io, "{}", eeprom));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "db9548aa33358a43f3e2c29194a5387bc8119f4d4a3e30e432dffaf7ed4ac487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db9548aa33358a43f3e2c29194a5387bc8119f4d4a3e30e432dffaf7ed4ac487", kill_on_drop: false }`
[INFO] [stdout] db9548aa33358a43f3e2c29194a5387bc8119f4d4a3e30e432dffaf7ed4ac487
