[INFO] fetching crate ufire_iso_ec 0.9.2...
[INFO] testing ufire_iso_ec-0.9.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate ufire_iso_ec 0.9.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ufire_iso_ec 0.9.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding blake2b_simd v0.5.11 (latest: v1.0.2)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cargo_metadata v0.14.2 (latest: v0.18.1)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.0)
[INFO] [stderr]       Adding dirs v1.0.5 (latest: v5.0.1)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding i2cdev v0.3.2 (latest: v0.6.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding nix v0.10.0 (latest: v0.29.0)
[INFO] [stderr]       Adding prettytable-rs v0.8.0 (latest: v0.10.0)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.11.0)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding redox_users v0.3.5 (latest: v0.4.5)
[INFO] [stderr]       Adding rust-argon2 v0.8.3 (latest: v2.1.0)
[INFO] [stderr]       Adding shrust v0.0.6 (latest: v0.0.7)
[INFO] [stderr]       Adding term v0.5.2 (latest: v0.7.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i2cdev v0.3.2
[INFO] [stderr]   Downloaded shrust v0.0.6
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 430e0542a8995a880e12862ea402a6532213512ad6912482a50b70f0caf7f3ef
[INFO] running `Command { std: "docker" "start" "-a" "430e0542a8995a880e12862ea402a6532213512ad6912482a50b70f0caf7f3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "430e0542a8995a880e12862ea402a6532213512ad6912482a50b70f0caf7f3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430e0542a8995a880e12862ea402a6532213512ad6912482a50b70f0caf7f3ef", kill_on_drop: false }`
[INFO] [stdout] 430e0542a8995a880e12862ea402a6532213512ad6912482a50b70f0caf7f3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ff79dd38a03539518e990d097df397b620fa1444df7fd8b1b653972586e211f
[INFO] running `Command { std: "docker" "start" "-a" "2ff79dd38a03539518e990d097df397b620fa1444df7fd8b1b653972586e211f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling camino v1.1.7
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling cargo-platform v0.1.8
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling 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]    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)]` 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] [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] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "2ff79dd38a03539518e990d097df397b620fa1444df7fd8b1b653972586e211f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff79dd38a03539518e990d097df397b620fa1444df7fd8b1b653972586e211f", kill_on_drop: false }`
[INFO] [stdout] 2ff79dd38a03539518e990d097df397b620fa1444df7fd8b1b653972586e211f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e7e2bd8dd4082a136d4806a775b455d4fcc3d3ef1ce5d9456bb79f293961bd
[INFO] running `Command { std: "docker" "start" "-a" "68e7e2bd8dd4082a136d4806a775b455d4fcc3d3ef1ce5d9456bb79f293961bd", kill_on_drop: false }`
[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] [stderr]    Compiling ufire_iso_ec v0.9.2 (/opt/rustwide/workdir)
[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: 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] [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: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "68e7e2bd8dd4082a136d4806a775b455d4fcc3d3ef1ce5d9456bb79f293961bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e7e2bd8dd4082a136d4806a775b455d4fcc3d3ef1ce5d9456bb79f293961bd", kill_on_drop: false }`
[INFO] [stdout] 68e7e2bd8dd4082a136d4806a775b455d4fcc3d3ef1ce5d9456bb79f293961bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 475e5a42c20e01358e6af1f9ceb5719cbf0212450fd1c4b098a8b3c3ab2c930b
[INFO] running `Command { std: "docker" "start" "-a" "475e5a42c20e01358e6af1f9ceb5719cbf0212450fd1c4b098a8b3c3ab2c930b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:75:46
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]    |                                              ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 75 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 75 +     pub fn measure_temp(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:147:57
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                         ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 147 -     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 147 +     pub fn measure_ec(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:163:63
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                               ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 -     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 163 +     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:199:45
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 199 -     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 199 +     pub fn measure_raw(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:226:51
[INFO] [stderr]     |
[INFO] [stderr] 226 |     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                   ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 226 -     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 226 +     pub fn get_temp_constant(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:250:54
[INFO] [stderr]     |
[INFO] [stderr] 250 |     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 250 -     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 250 +     pub fn get_temp_coefficient(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:262:59
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 262 -     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 262 +     pub fn read_eeprom(&mut self, address: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:276:72
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                                        ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 276 -     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 276 +     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:290:45
[INFO] [stderr]     |
[INFO] [stderr] 290 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 290 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr] 290 +     pub fn get_version(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:302:46
[INFO] [stderr]     |
[INFO] [stderr] 302 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                              ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 302 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr] 302 +     pub fn get_firmware(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:373:54
[INFO] [stderr]     |
[INFO] [stderr] 373 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 373 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 373 +     pub fn get_calibrate_offset(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:384:62
[INFO] [stderr]     |
[INFO] [stderr] 384 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 384 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 384 +     pub fn get_calibrate_high_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:395:60
[INFO] [stderr]     |
[INFO] [stderr] 395 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                            ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 395 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 395 +     pub fn get_calibrate_high_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:406:61
[INFO] [stderr]     |
[INFO] [stderr] 406 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                             ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 406 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 406 +     pub fn get_calibrate_low_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:417:59
[INFO] [stderr]     |
[INFO] [stderr] 417 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 417 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 417 +     pub fn get_calibrate_low_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:437:62
[INFO] [stderr]     |
[INFO] [stderr] 437 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 437 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 437 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `ufire_iso_ec` (lib) generated 16 warnings (run `cargo fix --lib -p ufire_iso_ec` to apply 16 suggestions)
[INFO] [stderr] warning: `ufire_iso_ec` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |         try!(writeln!(io, "Config:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |         try!(writeln!(io, "    offset: {}", ec.get_calibrate_offset().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(writeln!(io, "    dual point:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(writeln!(io, "        low reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(writeln!(io, "        high reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 |         try!(writeln!(io, "    temp. compensation:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |         try!(writeln!(io, "        temp. constant: {}", ec.get_temp_constant().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(writeln!(io, "        temp. coeffiecient: {}", ec.get_temp_coefficient().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try!(writeln!(io, "    version hw.fw: {}.{}", ec.get_version().unwrap(),ec.get_firmware().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(writeln!(io, "C: {}", temp_c));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(writeln!(io, "mS: {}", ms));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:53:3
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(writeln!(io, "PSU: {}", sal));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:60:3
[INFO] [stderr]    |
[INFO] [stderr] 60 |         try!(writeln!(io, "raw: {}", raw));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:67:3
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(writeln!(io, "    offset: {}", ec.get_calibrate_offset().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(writeln!(io, "    temp. constant: {}", ec.get_temp_constant().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(writeln!(io, "    low reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:90:3
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(writeln!(io, "    high reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(writeln!(io, "    temp. coefficient: {}", ec.get_temp_coefficient().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:105:3
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(writeln!(io, "    version: {}.{}", ec.get_version().unwrap(),ec.get_firmware().unwrap()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:113:3
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(writeln!(io, "    I2C Address: {}", v[0]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:120:3
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(writeln!(io, "{}", eeprom));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ufire_iso_ec` (bin "ufire_ec_bin" test) generated 21 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ufire_iso_ec-00ab55b905073804)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ufire_ec_bin-ab994a928d5e2fd0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ufire_iso_ec
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:75:46
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]    |                                              ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 75 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 75 +     pub fn measure_temp(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:147:57
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                         ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 147 -     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 147 +     pub fn measure_ec(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:163:63
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                               ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 -     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 163 +     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:199:45
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 199 -     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 199 +     pub fn measure_raw(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:226:51
[INFO] [stderr]     |
[INFO] [stderr] 226 |     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                   ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 226 -     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 226 +     pub fn get_temp_constant(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:250:54
[INFO] [stderr]     |
[INFO] [stderr] 250 |     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 250 -     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 250 +     pub fn get_temp_coefficient(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:262:59
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 262 -     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 262 +     pub fn read_eeprom(&mut self, address: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:276:72
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                                        ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 276 -     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 276 +     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:290:45
[INFO] [stderr]     |
[INFO] [stderr] 290 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 290 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr] 290 +     pub fn get_version(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:302:46
[INFO] [stderr]     |
[INFO] [stderr] 302 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                              ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 302 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr] 302 +     pub fn get_firmware(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:373:54
[INFO] [stderr]     |
[INFO] [stderr] 373 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 373 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 373 +     pub fn get_calibrate_offset(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:384:62
[INFO] [stderr]     |
[INFO] [stderr] 384 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 384 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 384 +     pub fn get_calibrate_high_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:395:60
[INFO] [stderr]     |
[INFO] [stderr] 395 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                            ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 395 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 395 +     pub fn get_calibrate_high_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:406:61
[INFO] [stderr]     |
[INFO] [stderr] 406 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                             ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 406 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 406 +     pub fn get_calibrate_low_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:417:59
[INFO] [stderr]     |
[INFO] [stderr] 417 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 417 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 417 +     pub fn get_calibrate_low_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:437:62
[INFO] [stderr]     |
[INFO] [stderr] 437 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 437 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 437 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - EcProbe::calibrate_single (line 98) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::calibrate_probe_high (line 128) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_high_reference (line 380) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_low_reference (line 401) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_low_reading (line 412) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::calibrate_probe_low (line 113) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_high_reading (line 390) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_temp_constant (line 222) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_firmware (line 298) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_temp_coefficient (line 246) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_version (line 286) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::measure_salinity (line 159) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_offset (line 369) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::measure_ec (line 143) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::measure_raw (line 195) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::read_eeprom (line 257) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_temp (line 85) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::new (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::reset (line 310) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_temp_coefficient (line 233) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_i2c_address (line 333) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_dual_point_calibration (line 348) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::measure_temp (line 71) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::use_temperature_compensation (line 173) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_temp_constant (line 209) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::write_eeprom (line 271) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - EcProbe::calibrate_single (line 98) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:99:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error[E0610]: `{float}` is a primitive type and therefore doesn't have fields
[INFO] [stdout]  --> src/lib.rs:100:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | ec.calibrate_single(1.413.0);
[INFO] [stdout]   |                           ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0610.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::calibrate_probe_high (line 128) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:129:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error[E0610]: `{float}` is a primitive type and therefore doesn't have fields
[INFO] [stdout]  --> src/lib.rs:130:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | ec.calibrate_probe_high(12.88.0);
[INFO] [stdout]   |                               ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0610.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_high_reference (line 380) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:381:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_low_reference (line 401) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:402:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_low_reading (line 412) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:413:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::calibrate_probe_low (line 113) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:114:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error[E0610]: `{float}` is a primitive type and therefore doesn't have fields
[INFO] [stdout]  --> src/lib.rs:115:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | ec.calibrate_probe_low(1.413.0);
[INFO] [stdout]   |                              ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0610.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_high_reading (line 390) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:391:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_temp_constant (line 222) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:223:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_firmware (line 298) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:299:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_temp_coefficient (line 246) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:247:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_version (line 286) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:287:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::measure_salinity (line 159) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:160:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_offset (line 369) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:370:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::measure_ec (line 143) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:144:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::measure_raw (line 195) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:196:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::read_eeprom (line 257) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:258:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_temp (line 85) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:86:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::new (line 60) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:61:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::reset (line 310) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:311:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_temp_coefficient (line 233) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:234:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_i2c_address (line 333) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:334:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_dual_point_calibration (line 348) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:349:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::measure_temp (line 71) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:72:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::use_temperature_compensation (line 173) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:174:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_temp_constant (line 209) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:210:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::write_eeprom (line 271) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:272:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - EcProbe::calibrate_probe_high (line 128)
[INFO] [stdout]     src/lib.rs - EcProbe::calibrate_probe_low (line 113)
[INFO] [stdout]     src/lib.rs - EcProbe::calibrate_single (line 98)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_high_reading (line 390)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_high_reference (line 380)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_low_reading (line 412)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_low_reference (line 401)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_offset (line 369)
[INFO] [stdout]     src/lib.rs - EcProbe::get_firmware (line 298)
[INFO] [stdout]     src/lib.rs - EcProbe::get_temp_coefficient (line 246)
[INFO] [stdout]     src/lib.rs - EcProbe::get_temp_constant (line 222)
[INFO] [stdout]     src/lib.rs - EcProbe::get_version (line 286)
[INFO] [stdout]     src/lib.rs - EcProbe::measure_ec (line 143)
[INFO] [stdout]     src/lib.rs - EcProbe::measure_raw (line 195)
[INFO] [stdout]     src/lib.rs - EcProbe::measure_salinity (line 159)
[INFO] [stdout]     src/lib.rs - EcProbe::measure_temp (line 71)
[INFO] [stdout]     src/lib.rs - EcProbe::new (line 60)
[INFO] [stdout]     src/lib.rs - EcProbe::read_eeprom (line 257)
[INFO] [stdout]     src/lib.rs - EcProbe::reset (line 310)
[INFO] [stdout]     src/lib.rs - EcProbe::set_dual_point_calibration (line 348)
[INFO] [stdout]     src/lib.rs - EcProbe::set_i2c_address (line 333)
[INFO] [stdout]     src/lib.rs - EcProbe::set_temp (line 85)
[INFO] [stdout]     src/lib.rs - EcProbe::set_temp_coefficient (line 233)
[INFO] [stdout]     src/lib.rs - EcProbe::set_temp_constant (line 209)
[INFO] [stdout]     src/lib.rs - EcProbe::use_temperature_compensation (line 173)
[INFO] [stdout]     src/lib.rs - EcProbe::write_eeprom (line 271)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 26 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "475e5a42c20e01358e6af1f9ceb5719cbf0212450fd1c4b098a8b3c3ab2c930b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475e5a42c20e01358e6af1f9ceb5719cbf0212450fd1c4b098a8b3c3ab2c930b", kill_on_drop: false }`
[INFO] [stdout] 475e5a42c20e01358e6af1f9ceb5719cbf0212450fd1c4b098a8b3c3ab2c930b
[INFO] testing ufire_iso_ec-0.9.2 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate ufire_iso_ec 0.9.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ufire_iso_ec 0.9.2 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding blake2b_simd v0.5.11 (latest: v1.0.2)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cargo_metadata v0.14.2 (latest: v0.18.1)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.0)
[INFO] [stderr]       Adding dirs v1.0.5 (latest: v5.0.1)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding i2cdev v0.3.2 (latest: v0.6.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding nix v0.10.0 (latest: v0.29.0)
[INFO] [stderr]       Adding prettytable-rs v0.8.0 (latest: v0.10.0)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.11.0)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding redox_users v0.3.5 (latest: v0.4.5)
[INFO] [stderr]       Adding rust-argon2 v0.8.3 (latest: v2.1.0)
[INFO] [stderr]       Adding shrust v0.0.6 (latest: v0.0.7)
[INFO] [stderr]       Adding term v0.5.2 (latest: v0.7.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 563e7019c9cb24586f8a46c2b7e2e4c55577fac6d9c68439c2e076e481b4458e
[INFO] running `Command { std: "docker" "start" "-a" "563e7019c9cb24586f8a46c2b7e2e4c55577fac6d9c68439c2e076e481b4458e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "563e7019c9cb24586f8a46c2b7e2e4c55577fac6d9c68439c2e076e481b4458e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563e7019c9cb24586f8a46c2b7e2e4c55577fac6d9c68439c2e076e481b4458e", kill_on_drop: false }`
[INFO] [stdout] 563e7019c9cb24586f8a46c2b7e2e4c55577fac6d9c68439c2e076e481b4458e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068c95d6c49d99488d160d2ad50b6951fea517ffa86e7574ef6d73f2b7fe352d
[INFO] running `Command { std: "docker" "start" "-a" "068c95d6c49d99488d160d2ad50b6951fea517ffa86e7574ef6d73f2b7fe352d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling camino v1.1.7
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling cargo-platform v0.1.8
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling 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]    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)]` 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] [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] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "068c95d6c49d99488d160d2ad50b6951fea517ffa86e7574ef6d73f2b7fe352d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068c95d6c49d99488d160d2ad50b6951fea517ffa86e7574ef6d73f2b7fe352d", kill_on_drop: false }`
[INFO] [stdout] 068c95d6c49d99488d160d2ad50b6951fea517ffa86e7574ef6d73f2b7fe352d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a2a66a75952b6a705504a5fa1930cb235c050057961127eb9b8caff4a61b28f
[INFO] running `Command { std: "docker" "start" "-a" "7a2a66a75952b6a705504a5fa1930cb235c050057961127eb9b8caff4a61b28f", kill_on_drop: false }`
[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]    Compiling ufire_iso_ec v0.9.2 (/opt/rustwide/workdir)
[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: 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: 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] [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: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "7a2a66a75952b6a705504a5fa1930cb235c050057961127eb9b8caff4a61b28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2a66a75952b6a705504a5fa1930cb235c050057961127eb9b8caff4a61b28f", kill_on_drop: false }`
[INFO] [stdout] 7a2a66a75952b6a705504a5fa1930cb235c050057961127eb9b8caff4a61b28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c85fc65b42077c1c4b7cce58029648817b33e410836dcb229af49628b3f24d0
[INFO] running `Command { std: "docker" "start" "-a" "3c85fc65b42077c1c4b7cce58029648817b33e410836dcb229af49628b3f24d0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:75:46
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]    |                                              ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 75 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 75 +     pub fn measure_temp(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:147:57
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                         ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 147 -     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 147 +     pub fn measure_ec(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:163:63
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                               ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 -     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 163 +     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:199:45
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 199 -     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 199 +     pub fn measure_raw(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:226:51
[INFO] [stderr]     |
[INFO] [stderr] 226 |     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                   ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 226 -     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 226 +     pub fn get_temp_constant(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:250:54
[INFO] [stderr]     |
[INFO] [stderr] 250 |     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 250 -     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 250 +     pub fn get_temp_coefficient(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:262:59
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 262 -     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 262 +     pub fn read_eeprom(&mut self, address: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:276:72
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                                        ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 276 -     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 276 +     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:290:45
[INFO] [stderr]     |
[INFO] [stderr] 290 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 290 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr] 290 +     pub fn get_version(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:302:46
[INFO] [stderr]     |
[INFO] [stderr] 302 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                              ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 302 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr] 302 +     pub fn get_firmware(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:373:54
[INFO] [stderr]     |
[INFO] [stderr] 373 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 373 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 373 +     pub fn get_calibrate_offset(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:384:62
[INFO] [stderr]     |
[INFO] [stderr] 384 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 384 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 384 +     pub fn get_calibrate_high_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:395:60
[INFO] [stderr]     |
[INFO] [stderr] 395 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                            ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 395 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 395 +     pub fn get_calibrate_high_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:406:61
[INFO] [stderr]     |
[INFO] [stderr] 406 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                             ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 406 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 406 +     pub fn get_calibrate_low_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:417:59
[INFO] [stderr]     |
[INFO] [stderr] 417 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 417 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 417 +     pub fn get_calibrate_low_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:437:62
[INFO] [stderr]     |
[INFO] [stderr] 437 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 437 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 437 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `ufire_iso_ec` (lib) generated 16 warnings (run `cargo fix --lib -p ufire_iso_ec` to apply 16 suggestions)
[INFO] [stderr] warning: `ufire_iso_ec` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |         try!(writeln!(io, "Config:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |         try!(writeln!(io, "    offset: {}", ec.get_calibrate_offset().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(writeln!(io, "    dual point:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(writeln!(io, "        low reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(writeln!(io, "        high reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 |         try!(writeln!(io, "    temp. compensation:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |         try!(writeln!(io, "        temp. constant: {}", ec.get_temp_constant().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(writeln!(io, "        temp. coeffiecient: {}", ec.get_temp_coefficient().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try!(writeln!(io, "    version hw.fw: {}.{}", ec.get_version().unwrap(),ec.get_firmware().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(writeln!(io, "C: {}", temp_c));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(writeln!(io, "mS: {}", ms));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:53:3
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(writeln!(io, "PSU: {}", sal));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:60:3
[INFO] [stderr]    |
[INFO] [stderr] 60 |         try!(writeln!(io, "raw: {}", raw));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:67:3
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(writeln!(io, "    offset: {}", ec.get_calibrate_offset().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(writeln!(io, "    temp. constant: {}", ec.get_temp_constant().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:81:3
[INFO] [stderr]    |
[INFO] [stderr] 81 |         try!(writeln!(io, "    low reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:90:3
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(writeln!(io, "    high reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(writeln!(io, "    temp. coefficient: {}", ec.get_temp_coefficient().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:105:3
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(writeln!(io, "    version: {}.{}", ec.get_version().unwrap(),ec.get_firmware().unwrap()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:113:3
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(writeln!(io, "    I2C Address: {}", v[0]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:120:3
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(writeln!(io, "{}", eeprom));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ufire_iso_ec` (bin "ufire_ec_bin" test) generated 21 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ufire_iso_ec-00ab55b905073804)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ufire_ec_bin-ab994a928d5e2fd0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ufire_iso_ec
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:75:46
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]    |                                              ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 75 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 75 +     pub fn measure_temp(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:147:57
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                         ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 147 -     pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 147 +     pub fn measure_ec(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:163:63
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                               ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 -     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 163 +     pub fn measure_salinity(&mut self, temp_c: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:199:45
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 199 -     pub fn measure_raw(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 199 +     pub fn measure_raw(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:226:51
[INFO] [stderr]     |
[INFO] [stderr] 226 |     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                   ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 226 -     pub fn get_temp_constant(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 226 +     pub fn get_temp_constant(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:250:54
[INFO] [stderr]     |
[INFO] [stderr] 250 |     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 250 -     pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 250 +     pub fn get_temp_coefficient(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:262:59
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 262 -     pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 262 +     pub fn read_eeprom(&mut self, address: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:276:72
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                                        ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 276 -     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 276 +     pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:290:45
[INFO] [stderr]     |
[INFO] [stderr] 290 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 290 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr] 290 +     pub fn get_version(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:302:46
[INFO] [stderr]     |
[INFO] [stderr] 302 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                              ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 302 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr] 302 +     pub fn get_firmware(&mut self) -> Result<u8, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:373:54
[INFO] [stderr]     |
[INFO] [stderr] 373 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 373 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 373 +     pub fn get_calibrate_offset(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:384:62
[INFO] [stderr]     |
[INFO] [stderr] 384 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 384 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 384 +     pub fn get_calibrate_high_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:395:60
[INFO] [stderr]     |
[INFO] [stderr] 395 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                            ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 395 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 395 +     pub fn get_calibrate_high_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:406:61
[INFO] [stderr]     |
[INFO] [stderr] 406 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                             ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 406 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 406 +     pub fn get_calibrate_low_reference(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:417:59
[INFO] [stderr]     |
[INFO] [stderr] 417 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 417 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 417 +     pub fn get_calibrate_low_reading(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:437:62
[INFO] [stderr]     |
[INFO] [stderr] 437 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 437 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr] 437 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_low_reference (line 401) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_high_reference (line 380) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::calibrate_probe_high (line 128) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_offset (line 369) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::calibrate_probe_low (line 113) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_high_reading (line 390) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_calibrate_low_reading (line 412) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::calibrate_single (line 98) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_temp_coefficient (line 246) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::measure_ec (line 143) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_version (line 286) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_firmware (line 298) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::get_temp_constant (line 222) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::measure_salinity (line 159) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::measure_raw (line 195) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::measure_temp (line 71) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_dual_point_calibration (line 348) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::read_eeprom (line 257) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_i2c_address (line 333) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::reset (line 310) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::new (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_temp_coefficient (line 233) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_temp (line 85) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::set_temp_constant (line 209) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::use_temperature_compensation (line 173) ... FAILED
[INFO] [stdout] test src/lib.rs - EcProbe::write_eeprom (line 271) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_low_reference (line 401) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:402:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_high_reference (line 380) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:381:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::calibrate_probe_high (line 128) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:129:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error[E0610]: `{float}` is a primitive type and therefore doesn't have fields
[INFO] [stdout]  --> src/lib.rs:130:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | ec.calibrate_probe_high(12.88.0);
[INFO] [stdout]   |                               ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0610.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_offset (line 369) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:370:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::calibrate_probe_low (line 113) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:114:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error[E0610]: `{float}` is a primitive type and therefore doesn't have fields
[INFO] [stdout]  --> src/lib.rs:115:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | ec.calibrate_probe_low(1.413.0);
[INFO] [stdout]   |                              ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0610.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_high_reading (line 390) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:391:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_calibrate_low_reading (line 412) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:413:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::calibrate_single (line 98) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:99:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error[E0610]: `{float}` is a primitive type and therefore doesn't have fields
[INFO] [stdout]  --> src/lib.rs:100:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | ec.calibrate_single(1.413.0);
[INFO] [stdout]   |                           ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0610.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_temp_coefficient (line 246) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:247:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::measure_ec (line 143) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:144:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_version (line 286) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:287:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_firmware (line 298) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:299:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::get_temp_constant (line 222) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:223:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::measure_salinity (line 159) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:160:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::measure_raw (line 195) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:196:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::measure_temp (line 71) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:72:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_dual_point_calibration (line 348) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:349:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::read_eeprom (line 257) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:258:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_i2c_address (line 333) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:334:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::reset (line 310) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:311:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::new (line 60) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:61:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_temp_coefficient (line 233) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:234:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_temp (line 85) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:86:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::set_temp_constant (line 209) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:210:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::use_temperature_compensation (line 173) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:174:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - EcProbe::write_eeprom (line 271) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ufire_ec`
[INFO] [stdout]  --> src/lib.rs:272:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut ec = ufire_ec::EcProbe::new("/dev/i2c-3", 0x3c).unwrap();
[INFO] [stdout]   |              ^^^^^^^^ use of undeclared crate or module `ufire_ec`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - EcProbe::calibrate_probe_high (line 128)
[INFO] [stdout]     src/lib.rs - EcProbe::calibrate_probe_low (line 113)
[INFO] [stdout]     src/lib.rs - EcProbe::calibrate_single (line 98)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_high_reading (line 390)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_high_reference (line 380)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_low_reading (line 412)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_low_reference (line 401)
[INFO] [stdout]     src/lib.rs - EcProbe::get_calibrate_offset (line 369)
[INFO] [stdout]     src/lib.rs - EcProbe::get_firmware (line 298)
[INFO] [stdout]     src/lib.rs - EcProbe::get_temp_coefficient (line 246)
[INFO] [stdout]     src/lib.rs - EcProbe::get_temp_constant (line 222)
[INFO] [stdout]     src/lib.rs - EcProbe::get_version (line 286)
[INFO] [stdout]     src/lib.rs - EcProbe::measure_ec (line 143)
[INFO] [stdout]     src/lib.rs - EcProbe::measure_raw (line 195)
[INFO] [stdout]     src/lib.rs - EcProbe::measure_salinity (line 159)
[INFO] [stdout]     src/lib.rs - EcProbe::measure_temp (line 71)
[INFO] [stdout]     src/lib.rs - EcProbe::new (line 60)
[INFO] [stdout]     src/lib.rs - EcProbe::read_eeprom (line 257)
[INFO] [stdout]     src/lib.rs - EcProbe::reset (line 310)
[INFO] [stdout]     src/lib.rs - EcProbe::set_dual_point_calibration (line 348)
[INFO] [stdout]     src/lib.rs - EcProbe::set_i2c_address (line 333)
[INFO] [stdout]     src/lib.rs - EcProbe::set_temp (line 85)
[INFO] [stdout]     src/lib.rs - EcProbe::set_temp_coefficient (line 233)
[INFO] [stdout]     src/lib.rs - EcProbe::set_temp_constant (line 209)
[INFO] [stdout]     src/lib.rs - EcProbe::use_temperature_compensation (line 173)
[INFO] [stdout]     src/lib.rs - EcProbe::write_eeprom (line 271)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 26 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3c85fc65b42077c1c4b7cce58029648817b33e410836dcb229af49628b3f24d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c85fc65b42077c1c4b7cce58029648817b33e410836dcb229af49628b3f24d0", kill_on_drop: false }`
[INFO] [stdout] 3c85fc65b42077c1c4b7cce58029648817b33e410836dcb229af49628b3f24d0
