[INFO] crate ufire_iso_ise 0.9.0 is already in cache
[INFO] checking ufire_iso_ise-0.9.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate ufire_iso_ise 0.9.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ufire_iso_ise 0.9.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4bba8d3847f4e9dfc58f380322d113fb400c4c548be2ceb41b05476303fe12bb
[INFO] running `"docker" "start" "-a" "4bba8d3847f4e9dfc58f380322d113fb400c4c548be2ceb41b05476303fe12bb"`
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking shrust v0.0.6
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking ufire_iso_ise v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:75:44
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn measure_mv(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]    |                                            ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:100:56
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn measure_ph(&mut self, temp_c:f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                        ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:149:51
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn ph_to_mv(&mut self, ph: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:160:46
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                              ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:254:54
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:265:62
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:277:60
[INFO] [stderr]     |
[INFO] [stderr] 277 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                            ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:289:61
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:301:59
[INFO] [stderr]     |
[INFO] [stderr] 301 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:312:45
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:325:46
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                              ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:374:58
[INFO] [stderr]     |
[INFO] [stderr] 374 |     pub fn read_eeprom(&mut self, address: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                          ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:408:53
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn get_probe_potential(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:441:62
[INFO] [stderr]     |
[INFO] [stderr] 441 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:75:44
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn measure_mv(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]    |                                            ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:100:56
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn measure_ph(&mut self, temp_c:f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                        ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:149:51
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn ph_to_mv(&mut self, ph: f32) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                   ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:160:46
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn measure_temp(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                              ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:254:54
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:265:62
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:277:60
[INFO] [stderr]     |
[INFO] [stderr] 277 |     pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                            ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:289:61
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                             ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:301:59
[INFO] [stderr]     |
[INFO] [stderr] 301 |     pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                           ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:312:45
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub fn get_version(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                             ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:325:46
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn get_firmware(&mut self) -> Result<(u8), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                              ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:374:58
[INFO] [stderr]     |
[INFO] [stderr] 374 |     pub fn read_eeprom(&mut self, address: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                          ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:408:53
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn get_probe_potential(&mut self) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:441:62
[INFO] [stderr]     |
[INFO] [stderr] 441 |     pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box<LinuxI2CError>> {
[INFO] [stderr]     |                                                              ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |         try!(writeln!(io, "Config:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(writeln!(io, "    offset: {}", mv.get_calibrate_offset().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(writeln!(io, "    dual point:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!(writeln!(io, "        low reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |         try!(writeln!(io, "        high reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |         try!(writeln!(io, "    version hw.fw: {}.{}", mv.get_version().unwrap(), mv.get_firmware().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         try!(writeln!(io, "C: {}", temp_c));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:44:3
[INFO] [stderr]    |
[INFO] [stderr] 44 |         try!(writeln!(io, "mV: {}", result));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 |         try!(writeln!(io, "pH: {}", ph));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(writeln!(io, "    offset: {}", mv.get_calibrate_offset().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:65:3
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(writeln!(io, "    low reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(writeln!(io, "    high reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(writeln!(io, "    version: {}.{}", mv.get_version().unwrap(),mv.get_firmware().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:90:3
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(writeln!(io, "    I2C Address: {}", v[0]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:3
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(writeln!(io, "{}", eeprom));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |         try!(writeln!(io, "Config:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(writeln!(io, "    offset: {}", mv.get_calibrate_offset().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(writeln!(io, "    dual point:"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!(writeln!(io, "        low reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |         try!(writeln!(io, "        high reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |         try!(writeln!(io, "    version hw.fw: {}.{}", mv.get_version().unwrap(), mv.get_firmware().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         try!(writeln!(io, "C: {}", temp_c));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:44:3
[INFO] [stderr]    |
[INFO] [stderr] 44 |         try!(writeln!(io, "mV: {}", result));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 |         try!(writeln!(io, "pH: {}", ph));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:58:3
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(writeln!(io, "    offset: {}", mv.get_calibrate_offset().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:65:3
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(writeln!(io, "    low reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(writeln!(io, "    high reference / read: {} / {}",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:82:3
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(writeln!(io, "    version: {}.{}", mv.get_version().unwrap(),mv.get_firmware().unwrap()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:90:3
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(writeln!(io, "    I2C Address: {}", v[0]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:3
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(writeln!(io, "{}", eeprom));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.64s
[INFO] running `"docker" "inspect" "4bba8d3847f4e9dfc58f380322d113fb400c4c548be2ceb41b05476303fe12bb"`
[INFO] running `"docker" "rm" "-f" "4bba8d3847f4e9dfc58f380322d113fb400c4c548be2ceb41b05476303fe12bb"`
[INFO] [stdout] 4bba8d3847f4e9dfc58f380322d113fb400c4c548be2ceb41b05476303fe12bb