[INFO] crate rustpi_io 0.1.0 is already in cache
[INFO] testing rustpi_io-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate rustpi_io 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rustpi_io 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustpi_io 0.1.0
[INFO] finished tweaking crates.io crate rustpi_io 0.1.0
[INFO] tweaked toml for crates.io crate rustpi_io 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 405f43afd8a5246acd0052949f41562f2c2a94a95da6255b74168799a00b65cd
[INFO] running `"docker" "start" "-a" "405f43afd8a5246acd0052949f41562f2c2a94a95da6255b74168799a00b65cd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling rustpi_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:65:31
[INFO] [stderr]    |
[INFO] [stderr] 65 |             GPIOMode::Read => try!(direction.write_all("in".as_bytes())),
[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/gpio.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |             GPIOMode::Write => try!(direction.write_all("out".as_bytes())),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut value = try!(
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(value.read_to_end(&mut buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(direction.write_all(buffer.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(spi.configure(&options));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut buffer_read_count = try!(self.read_buffer.as_slice().read(buf));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:251:53
[INFO] [stderr]     |
[INFO] [stderr] 251 |             buffer_read_count = buffer_read_count + try!(self.device.read(rest_buffer));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 try!(self.device.read(rest_buffer))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:318:17
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 try!(self.device.transfer(&mut transfer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `"docker" "inspect" "405f43afd8a5246acd0052949f41562f2c2a94a95da6255b74168799a00b65cd"`
[INFO] running `"docker" "rm" "-f" "405f43afd8a5246acd0052949f41562f2c2a94a95da6255b74168799a00b65cd"`
[INFO] [stdout] 405f43afd8a5246acd0052949f41562f2c2a94a95da6255b74168799a00b65cd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 856cb6850204206a4866e3ffe81bd55f2172adcecf9d1cb904c0a5a6b16ee7f9
[INFO] running `"docker" "start" "-a" "856cb6850204206a4866e3ffe81bd55f2172adcecf9d1cb904c0a5a6b16ee7f9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustpi_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:65:31
[INFO] [stderr]    |
[INFO] [stderr] 65 |             GPIOMode::Read => try!(direction.write_all("in".as_bytes())),
[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/gpio.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |             GPIOMode::Write => try!(direction.write_all("out".as_bytes())),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut value = try!(
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(value.read_to_end(&mut buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(direction.write_all(buffer.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(spi.configure(&options));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut buffer_read_count = try!(self.read_buffer.as_slice().read(buf));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:251:53
[INFO] [stderr]     |
[INFO] [stderr] 251 |             buffer_read_count = buffer_read_count + try!(self.device.read(rest_buffer));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 try!(self.device.read(rest_buffer))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:318:17
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 try!(self.device.transfer(&mut transfer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:65:31
[INFO] [stderr]    |
[INFO] [stderr] 65 |             GPIOMode::Read => try!(direction.write_all("in".as_bytes())),
[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/gpio.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |             GPIOMode::Write => try!(direction.write_all("out".as_bytes())),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut value = try!(
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(value.read_to_end(&mut buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(direction.write_all(buffer.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(spi.configure(&options));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut buffer_read_count = try!(self.read_buffer.as_slice().read(buf));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:251:53
[INFO] [stderr]     |
[INFO] [stderr] 251 |             buffer_read_count = buffer_read_count + try!(self.device.read(rest_buffer));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 try!(self.device.read(rest_buffer))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:318:17
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 try!(self.device.transfer(&mut transfer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "856cb6850204206a4866e3ffe81bd55f2172adcecf9d1cb904c0a5a6b16ee7f9"`
[INFO] running `"docker" "rm" "-f" "856cb6850204206a4866e3ffe81bd55f2172adcecf9d1cb904c0a5a6b16ee7f9"`
[INFO] [stdout] 856cb6850204206a4866e3ffe81bd55f2172adcecf9d1cb904c0a5a6b16ee7f9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3922d8e2b4a02dc4d8694294696a9fe918b48d7e8c4c6e50e07cc56ab4682750
[INFO] running `"docker" "start" "-a" "3922d8e2b4a02dc4d8694294696a9fe918b48d7e8c4c6e50e07cc56ab4682750"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:65:31
[INFO] [stderr]    |
[INFO] [stderr] 65 |             GPIOMode::Read => try!(direction.write_all("in".as_bytes())),
[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/gpio.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |             GPIOMode::Write => try!(direction.write_all("out".as_bytes())),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut value = try!(
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(value.read_to_end(&mut buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(direction.write_all(buffer.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(spi.configure(&options));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut buffer_read_count = try!(self.read_buffer.as_slice().read(buf));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:251:53
[INFO] [stderr]     |
[INFO] [stderr] 251 |             buffer_read_count = buffer_read_count + try!(self.device.read(rest_buffer));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 try!(self.device.read(rest_buffer))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:318:17
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 try!(self.device.transfer(&mut transfer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:65:31
[INFO] [stderr]    |
[INFO] [stderr] 65 |             GPIOMode::Read => try!(direction.write_all("in".as_bytes())),
[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/gpio.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |             GPIOMode::Write => try!(direction.write_all("out".as_bytes())),
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/gpio.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let mut value = try!(
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(value.read_to_end(&mut buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/gpio.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(direction.write_all(buffer.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         try!(spi.configure(&options));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut buffer_read_count = try!(self.read_buffer.as_slice().read(buf));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:251:53
[INFO] [stderr]     |
[INFO] [stderr] 251 |             buffer_read_count = buffer_read_count + try!(self.device.read(rest_buffer));
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 try!(self.device.read(rest_buffer))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serial.rs:318:17
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 try!(self.device.transfer(&mut transfer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustpi_io-5d3f80d5fac7d7b6
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustpi_io
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 45) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 45) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `GPIO`
[INFO] [stdout]  --> src/lib.rs:50:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |      let gpio2 = match GPIO::init(2, GPIOMode::Write){
[INFO] [stdout]   |                        ^^^^ use of undeclared type or module `GPIO`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `GPIOMode`
[INFO] [stdout]  --> src/lib.rs:50:38
[INFO] [stdout]   |
[INFO] [stdout] 6 |      let gpio2 = match GPIO::init(2, GPIOMode::Write){
[INFO] [stdout]   |                                      ^^^^^^^^ use of undeclared type or module `GPIOMode`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `GPIO`
[INFO] [stdout]   --> src/lib.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |      let gpio3 = match GPIO::init(3, GPIOMode::Read){
[INFO] [stdout]    |                        ^^^^ use of undeclared type or module `GPIO`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `GPIOMode`
[INFO] [stdout]   --> src/lib.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |      let gpio3 = match GPIO::init(3, GPIOMode::Read){
[INFO] [stdout]    |                                      ^^^^^^^^ use of undeclared type or module `GPIOMode`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `GPIOData`
[INFO] [stdout]   --> src/lib.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |              0 => GPIOData::Low,
[INFO] [stdout]    |                   ^^^^^^^^ use of undeclared type or module `GPIOData`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `GPIOData`
[INFO] [stdout]   --> src/lib.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |              1 => GPIOData::High,
[INFO] [stdout]    |                   ^^^^^^^^ use of undeclared type or module `GPIOData`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `GPIOData`
[INFO] [stdout]   --> src/lib.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |              _ => GPIOData::High
[INFO] [stdout]    |                   ^^^^^^^^ use of undeclared type or module `GPIOData`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[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 -  (line 45)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "3922d8e2b4a02dc4d8694294696a9fe918b48d7e8c4c6e50e07cc56ab4682750"`
[INFO] running `"docker" "rm" "-f" "3922d8e2b4a02dc4d8694294696a9fe918b48d7e8c4c6e50e07cc56ab4682750"`
[INFO] [stdout] 3922d8e2b4a02dc4d8694294696a9fe918b48d7e8c4c6e50e07cc56ab4682750