[INFO] fetching crate rustpi_io 0.1.0...
[INFO] checking rustpi_io-0.1.0 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate rustpi_io 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rustpi_io 0.1.0 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ab8fd8fbc8cbff36be5eebd23fc8d7db9b17f9f792ce26026fdf2c10e533071
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2ab8fd8fbc8cbff36be5eebd23fc8d7db9b17f9f792ce26026fdf2c10e533071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ab8fd8fbc8cbff36be5eebd23fc8d7db9b17f9f792ce26026fdf2c10e533071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab8fd8fbc8cbff36be5eebd23fc8d7db9b17f9f792ce26026fdf2c10e533071", kill_on_drop: false }`
[INFO] [stdout] 2ab8fd8fbc8cbff36be5eebd23fc8d7db9b17f9f792ce26026fdf2c10e533071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ec0a7983a0b0ae16d149bb23196836c16a9cde7e9a315ef4248b385bf5a5a39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ec0a7983a0b0ae16d149bb23196836c16a9cde7e9a315ef4248b385bf5a5a39", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking rustpi_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/gpio.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |             GPIOMode::Read => try!(direction.write_all("in".as_bytes())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/gpio.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |             GPIOMode::Write => try!(direction.write_all("out".as_bytes())),
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/gpio.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut value = try!(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/gpio.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(value.read_to_end(&mut buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/gpio.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(direction.write_all(buffer.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(spi.configure(&options));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:247:37
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let mut buffer_read_count = try!(self.read_buffer.as_slice().read(buf));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:251:53
[INFO] [stdout]     |
[INFO] [stdout] 251 |             buffer_read_count = buffer_read_count + try!(self.device.read(rest_buffer));
[INFO] [stdout]     |                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 try!(self.device.read(rest_buffer))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:318:17
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 try!(self.device.transfer(&mut transfer));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/gpio.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |             GPIOMode::Read => try!(direction.write_all("in".as_bytes())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/gpio.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |             GPIOMode::Write => try!(direction.write_all("out".as_bytes())),
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/gpio.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut value = try!(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/gpio.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(value.read_to_end(&mut buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/gpio.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(direction.write_all(buffer.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(spi.configure(&options));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:247:37
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let mut buffer_read_count = try!(self.read_buffer.as_slice().read(buf));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:251:53
[INFO] [stdout]     |
[INFO] [stdout] 251 |             buffer_read_count = buffer_read_count + try!(self.device.read(rest_buffer));
[INFO] [stdout]     |                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 try!(self.device.read(rest_buffer))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/serial.rs:318:17
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 try!(self.device.transfer(&mut transfer));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.60s
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ec0a7983a0b0ae16d149bb23196836c16a9cde7e9a315ef4248b385bf5a5a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec0a7983a0b0ae16d149bb23196836c16a9cde7e9a315ef4248b385bf5a5a39", kill_on_drop: false }`
[INFO] [stdout] 3ec0a7983a0b0ae16d149bb23196836c16a9cde7e9a315ef4248b385bf5a5a39