[INFO] fetching crate libbeaglebone 0.5.0...
[INFO] documenting libbeaglebone-0.5.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate libbeaglebone 0.5.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate libbeaglebone 0.5.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libbeaglebone 0.5.0
[INFO] finished tweaking crates.io crate libbeaglebone 0.5.0
[INFO] tweaked toml for crates.io crate libbeaglebone 0.5.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ktmw32-sys v0.1.1
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded serialport v1.0.1
[INFO] [stderr]   Downloaded winreg v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db6994469530b947381dc371c7a0a4c57d5c81de2df390bd96937a4f9069e0bb
[INFO] running `Command { std: "docker" "start" "-a" "db6994469530b947381dc371c7a0a4c57d5c81de2df390bd96937a4f9069e0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db6994469530b947381dc371c7a0a4c57d5c81de2df390bd96937a4f9069e0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6994469530b947381dc371c7a0a4c57d5c81de2df390bd96937a4f9069e0bb", kill_on_drop: false }`
[INFO] [stdout] db6994469530b947381dc371c7a0a4c57d5c81de2df390bd96937a4f9069e0bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fb32b2ed3b6000b90cb610a7ccdf7107d4c55996e055409e895ed342ca03cdf
[INFO] running `Command { std: "docker" "start" "-a" "4fb32b2ed3b6000b90cb610a7ccdf7107d4c55996e055409e895ed342ca03cdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v1.0.1
[INFO] [stderr]  Documenting libbeaglebone v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         const_err,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `extra_requirement_in_impl` has been removed: converted into hard error, see issue #37166 <https://github.com/rust-lang/rust/issues/37166> for more information
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         extra_requirement_in_impl,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         legacy_directory_ownership,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         plugin_as_library,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         private_no_mangle_fns,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         private_no_mangle_statics,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         safe_extern_statics,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         unions_with_drop_fields,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/gpio.rs:230:32
[INFO] [stdout]     |
[INFO] [stdout] 230 |   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stdout]     |                                ^        ^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:25:9
[INFO] [stdout]     |
[INFO] [stdout] 25  |         unused_parens,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stdout] 230 +   pub fn read(&self) -> Result<PinState> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/uart.rs:46:39
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stdout]    |                                       ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stdout] 46 +   pub fn new(uart_num: u32) -> Result<UART> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/uart.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stdout]    |                                                            ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stdout] 95 +   pub fn read_chars(&mut self, num_bytes: usize) -> Result<Vec<u8>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/uart.rs:122:64
[INFO] [stdout]     |
[INFO] [stdout] 122 |   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stdout]     |                                                                ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stdout] 122 +   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<String> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/i2c.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stdout]    |                                     ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stdout] 69 +   pub fn new(i2c_num: u8) -> Result<I2C> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/i2c.rs:156:36
[INFO] [stdout]     |
[INFO] [stdout] 156 |   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stdout]     |                                    ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stdout] 156 +   pub fn read(&mut self) -> Result<u8> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "4fb32b2ed3b6000b90cb610a7ccdf7107d4c55996e055409e895ed342ca03cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb32b2ed3b6000b90cb610a7ccdf7107d4c55996e055409e895ed342ca03cdf", kill_on_drop: false }`
[INFO] [stdout] 4fb32b2ed3b6000b90cb610a7ccdf7107d4c55996e055409e895ed342ca03cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9f08680f3aefeca8f84b5be8b61ec6e0865f7933a79ae9e30b49ebfd2bce8fd
[INFO] running `Command { std: "docker" "start" "-a" "d9f08680f3aefeca8f84b5be8b61ec6e0865f7933a79ae9e30b49ebfd2bce8fd", kill_on_drop: false }`
[INFO] [stderr]  Documenting libbeaglebone v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         const_err,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `extra_requirement_in_impl` has been removed: converted into hard error, see issue #37166 <https://github.com/rust-lang/rust/issues/37166> for more information
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         extra_requirement_in_impl,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         legacy_directory_ownership,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         plugin_as_library,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         private_no_mangle_fns,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         private_no_mangle_statics,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         safe_extern_statics,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         unions_with_drop_fields,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/gpio.rs:230:32
[INFO] [stdout]     |
[INFO] [stdout] 230 |   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stdout]     |                                ^        ^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:25:9
[INFO] [stdout]     |
[INFO] [stdout] 25  |         unused_parens,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stdout] 230 +   pub fn read(&self) -> Result<PinState> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/uart.rs:46:39
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stdout]    |                                       ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stdout] 46 +   pub fn new(uart_num: u32) -> Result<UART> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/uart.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stdout]    |                                                            ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stdout] 95 +   pub fn read_chars(&mut self, num_bytes: usize) -> Result<Vec<u8>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/uart.rs:122:64
[INFO] [stdout]     |
[INFO] [stdout] 122 |   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stdout]     |                                                                ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stdout] 122 +   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<String> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/i2c.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stdout]    |                                     ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stdout] 69 +   pub fn new(i2c_num: u8) -> Result<I2C> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/i2c.rs:156:36
[INFO] [stdout]     |
[INFO] [stdout] 156 |   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stdout]     |                                    ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stdout] 156 +   pub fn read(&mut self) -> Result<u8> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "d9f08680f3aefeca8f84b5be8b61ec6e0865f7933a79ae9e30b49ebfd2bce8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f08680f3aefeca8f84b5be8b61ec6e0865f7933a79ae9e30b49ebfd2bce8fd", kill_on_drop: false }`
[INFO] [stdout] d9f08680f3aefeca8f84b5be8b61ec6e0865f7933a79ae9e30b49ebfd2bce8fd
