[INFO] fetching crate ufire_iso_ise 0.9.0...
[INFO] building ufire_iso_ise-0.9.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ufire_iso_ise 0.9.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ufire_iso_ise 0.9.0
[INFO] finished tweaking crates.io crate ufire_iso_ise 0.9.0
[INFO] tweaked toml for crates.io crate ufire_iso_ise 0.9.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ufire_iso_ise 0.9.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding i2cdev v0.3.2 (available: v0.6.1)
[INFO] [stderr]       Adding shrust v0.0.6 (available: v0.0.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61aebd048ed5b5b39e83049e081051ca63b2b2fd2ae3f88913958df532e144f4
[INFO] running `Command { std: "docker" "start" "-a" "61aebd048ed5b5b39e83049e081051ca63b2b2fd2ae3f88913958df532e144f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61aebd048ed5b5b39e83049e081051ca63b2b2fd2ae3f88913958df532e144f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61aebd048ed5b5b39e83049e081051ca63b2b2fd2ae3f88913958df532e144f4", kill_on_drop: false }`
[INFO] [stdout] 61aebd048ed5b5b39e83049e081051ca63b2b2fd2ae3f88913958df532e144f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d40ddf5869638c8a2abfb78b8e9b2fdb9f80a598517207211f8f3151f0dfbaf4
[INFO] running `Command { std: "docker" "start" "-a" "d40ddf5869638c8a2abfb78b8e9b2fdb9f80a598517207211f8f3151f0dfbaf4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling camino v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling shrust v0.0.6
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling ufire_iso_ise v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:75:44
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn measure_mv(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]    |                                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     pub fn measure_mv(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 75 +     pub fn measure_mv(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:100:56
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn measure_ph(&mut self, temp_c:f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                        ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -     pub fn measure_ph(&mut self, temp_c:f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 100 +     pub fn measure_ph(&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:149:51
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn ph_to_mv(&mut self, ph: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -     pub fn ph_to_mv(&mut self, ph: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 149 +     pub fn ph_to_mv(&mut self, ph: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 160 +     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:254:54
[INFO] [stdout]     |
[INFO] [stdout] 254 |     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] 254 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 254 +     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:265:62
[INFO] [stdout]     |
[INFO] [stdout] 265 |     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] 265 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 265 +     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:277:60
[INFO] [stdout]     |
[INFO] [stdout] 277 |     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] 277 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 277 +     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:289:61
[INFO] [stdout]     |
[INFO] [stdout] 289 |     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] 289 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 289 +     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:301:59
[INFO] [stdout]     |
[INFO] [stdout] 301 |     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] 301 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 301 +     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:312:45
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 312 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 312 +     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:325:46
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 325 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 325 +     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:374:58
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn read_eeprom(&mut self, address: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                          ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 374 -     pub fn read_eeprom(&mut self, address: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 374 +     pub fn read_eeprom(&mut self, address: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:408:53
[INFO] [stdout]     |
[INFO] [stdout] 408 |     pub fn get_probe_potential(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 408 -     pub fn get_probe_potential(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 408 +     pub fn get_probe_potential(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:441:62
[INFO] [stdout]     |
[INFO] [stdout] 441 |     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] 441 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 441 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:427:32
[INFO] [stdout]     |
[INFO] [stdout] 427 |             let buf: [u8; 4] = mem::transmute(f_val);
[INFO] [stdout]     |                                --------------^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |         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:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(writeln!(io, "    offset: {}", mv.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:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |         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:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |         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:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |         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:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(writeln!(io, "    version hw.fw: {}.{}", mv.get_version().unwrap(), mv.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:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |         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:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(writeln!(io, "mV: {}", result));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:51:3
[INFO] [stdout]    |
[INFO] [stdout] 51 |         try!(writeln!(io, "pH: {}", ph));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:58:3
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(writeln!(io, "    offset: {}", mv.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:65:3
[INFO] [stdout]    |
[INFO] [stdout] 65 |         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:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 |         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:82:3
[INFO] [stdout]    |
[INFO] [stdout] 82 |         try!(writeln!(io, "    version: {}.{}", mv.get_version().unwrap(),mv.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:90:3
[INFO] [stdout]    |
[INFO] [stdout] 90 |         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:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(writeln!(io, "{}", eeprom));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.67s
[INFO] running `Command { std: "docker" "inspect" "d40ddf5869638c8a2abfb78b8e9b2fdb9f80a598517207211f8f3151f0dfbaf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40ddf5869638c8a2abfb78b8e9b2fdb9f80a598517207211f8f3151f0dfbaf4", kill_on_drop: false }`
[INFO] [stdout] d40ddf5869638c8a2abfb78b8e9b2fdb9f80a598517207211f8f3151f0dfbaf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb0c0a427d4dda41a706f84cbecc877a6be283b6caa76721fef47b3379ad31eb
[INFO] running `Command { std: "docker" "start" "-a" "eb0c0a427d4dda41a706f84cbecc877a6be283b6caa76721fef47b3379ad31eb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling ufire_iso_ise v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:75:44
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn measure_mv(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]    |                                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     pub fn measure_mv(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 75 +     pub fn measure_mv(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:100:56
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn measure_ph(&mut self, temp_c:f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                        ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -     pub fn measure_ph(&mut self, temp_c:f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 100 +     pub fn measure_ph(&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:149:51
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn ph_to_mv(&mut self, ph: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -     pub fn ph_to_mv(&mut self, ph: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 149 +     pub fn ph_to_mv(&mut self, ph: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 160 +     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:254:54
[INFO] [stdout]     |
[INFO] [stdout] 254 |     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] 254 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 254 +     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:265:62
[INFO] [stdout]     |
[INFO] [stdout] 265 |     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] 265 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 265 +     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:277:60
[INFO] [stdout]     |
[INFO] [stdout] 277 |     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] 277 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 277 +     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:289:61
[INFO] [stdout]     |
[INFO] [stdout] 289 |     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] 289 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 289 +     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:301:59
[INFO] [stdout]     |
[INFO] [stdout] 301 |     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] 301 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 301 +     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:312:45
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 312 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 312 +     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:325:46
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 325 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 325 +     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:374:58
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn read_eeprom(&mut self, address: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                          ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 374 -     pub fn read_eeprom(&mut self, address: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 374 +     pub fn read_eeprom(&mut self, address: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:408:53
[INFO] [stdout]     |
[INFO] [stdout] 408 |     pub fn get_probe_potential(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 408 -     pub fn get_probe_potential(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 408 +     pub fn get_probe_potential(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:441:62
[INFO] [stdout]     |
[INFO] [stdout] 441 |     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] 441 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 441 +     pub fn _read_register(&mut self, register: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:427:32
[INFO] [stdout]     |
[INFO] [stdout] 427 |             let buf: [u8; 4] = mem::transmute(f_val);
[INFO] [stdout]     |                                --------------^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:75:44
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn measure_mv(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]    |                                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     pub fn measure_mv(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 75 +     pub fn measure_mv(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:100:56
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn measure_ph(&mut self, temp_c:f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                        ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -     pub fn measure_ph(&mut self, temp_c:f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 100 +     pub fn measure_ph(&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:149:51
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn ph_to_mv(&mut self, ph: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -     pub fn ph_to_mv(&mut self, ph: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 149 +     pub fn ph_to_mv(&mut self, ph: f32) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 160 +     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:254:54
[INFO] [stdout]     |
[INFO] [stdout] 254 |     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] 254 -     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 254 +     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:265:62
[INFO] [stdout]     |
[INFO] [stdout] 265 |     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] 265 -     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 265 +     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:277:60
[INFO] [stdout]     |
[INFO] [stdout] 277 |     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] 277 -     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 277 +     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:289:61
[INFO] [stdout]     |
[INFO] [stdout] 289 |     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] 289 -     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 289 +     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:301:59
[INFO] [stdout]     |
[INFO] [stdout] 301 |     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] 301 -     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 301 +     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:312:45
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                             ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 312 -     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 312 +     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:325:46
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                              ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 325 -     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stdout] 325 +     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:374:58
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn read_eeprom(&mut self, address: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                          ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 374 -     pub fn read_eeprom(&mut self, address: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 374 +     pub fn read_eeprom(&mut self, address: u8) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:408:53
[INFO] [stdout]     |
[INFO] [stdout] 408 |     pub fn get_probe_potential(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout]     |                                                     ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 408 -     pub fn get_probe_potential(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 408 +     pub fn get_probe_potential(&mut self) -> Result<f32, Box<LinuxI2CError>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:441:62
[INFO] [stdout]     |
[INFO] [stdout] 441 |     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] 441 -     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stdout] 441 +     pub fn _read_register(&mut self, register: u8) -> 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:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |         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:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(writeln!(io, "    offset: {}", mv.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:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |         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:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |         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:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |         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:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(writeln!(io, "    version hw.fw: {}.{}", mv.get_version().unwrap(), mv.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:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |         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:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(writeln!(io, "mV: {}", result));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:51:3
[INFO] [stdout]    |
[INFO] [stdout] 51 |         try!(writeln!(io, "pH: {}", ph));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:58:3
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(writeln!(io, "    offset: {}", mv.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:65:3
[INFO] [stdout]    |
[INFO] [stdout] 65 |         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:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 |         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:82:3
[INFO] [stdout]    |
[INFO] [stdout] 82 |         try!(writeln!(io, "    version: {}.{}", mv.get_version().unwrap(),mv.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:90:3
[INFO] [stdout]    |
[INFO] [stdout] 90 |         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:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(writeln!(io, "{}", eeprom));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:427:32
[INFO] [stdout]     |
[INFO] [stdout] 427 |             let buf: [u8; 4] = mem::transmute(f_val);
[INFO] [stdout]     |                                --------------^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "eb0c0a427d4dda41a706f84cbecc877a6be283b6caa76721fef47b3379ad31eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0c0a427d4dda41a706f84cbecc877a6be283b6caa76721fef47b3379ad31eb", kill_on_drop: false }`
[INFO] [stdout] eb0c0a427d4dda41a706f84cbecc877a6be283b6caa76721fef47b3379ad31eb
