[INFO] fetching crate libbeaglebone 0.5.0...
[INFO] testing libbeaglebone-0.5.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate libbeaglebone 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate libbeaglebone 0.5.0 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 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-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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" "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] 2800d6401f8619e60b5048f20820a7c7084eaabd3ac5715a70f6be4cb2bf677f
[INFO] running `"docker" "start" "-a" "2800d6401f8619e60b5048f20820a7c7084eaabd3ac5715a70f6be4cb2bf677f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v1.0.1
[INFO] [stderr]    Compiling libbeaglebone v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] 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] [stderr]  --> src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         extra_requirement_in_impl,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         legacy_directory_ownership,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         plugin_as_library,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]   --> src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         private_no_mangle_fns,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         private_no_mangle_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         safe_extern_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         unions_with_drop_fields,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/gpio.rs:230:32
[INFO] [stderr]     |
[INFO] [stderr] 230 |   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:25:9
[INFO] [stderr]     |
[INFO] [stderr] 25  |         unused_parens,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/uart.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |   port: Box<SerialPort>,
[INFO] [stderr]    |             ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:46:39
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stderr]    |                                       ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/uart.rs:122:64
[INFO] [stderr]     |
[INFO] [stderr] 122 |   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/i2c.rs:69:37
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stderr]    |                                     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/i2c.rs:156:36
[INFO] [stderr]     |
[INFO] [stderr] 156 |   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stderr]     |                                    ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `"docker" "inspect" "2800d6401f8619e60b5048f20820a7c7084eaabd3ac5715a70f6be4cb2bf677f"`
[INFO] running `"docker" "rm" "-f" "2800d6401f8619e60b5048f20820a7c7084eaabd3ac5715a70f6be4cb2bf677f"`
[INFO] [stdout] 2800d6401f8619e60b5048f20820a7c7084eaabd3ac5715a70f6be4cb2bf677f
[INFO] running `"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" "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] dc3661185beffd16bf2dc84d03e50b5d8ba03e28eae88f56cdae1a943609590c
[INFO] running `"docker" "start" "-a" "dc3661185beffd16bf2dc84d03e50b5d8ba03e28eae88f56cdae1a943609590c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libbeaglebone v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] 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] [stderr]  --> src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         extra_requirement_in_impl,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         legacy_directory_ownership,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         plugin_as_library,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]   --> src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         private_no_mangle_fns,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         private_no_mangle_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         safe_extern_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         unions_with_drop_fields,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/gpio.rs:230:32
[INFO] [stderr]     |
[INFO] [stderr] 230 |   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:25:9
[INFO] [stderr]     |
[INFO] [stderr] 25  |         unused_parens,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/uart.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |   port: Box<SerialPort>,
[INFO] [stderr]    |             ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:46:39
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stderr]    |                                       ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/uart.rs:122:64
[INFO] [stderr]     |
[INFO] [stderr] 122 |   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/i2c.rs:69:37
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stderr]    |                                     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/i2c.rs:156:36
[INFO] [stderr]     |
[INFO] [stderr] 156 |   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stderr]     |                                    ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]  --> src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         extra_requirement_in_impl,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         legacy_directory_ownership,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         plugin_as_library,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]   --> src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         private_no_mangle_fns,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         private_no_mangle_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         safe_extern_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         unions_with_drop_fields,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/gpio.rs:230:32
[INFO] [stderr]     |
[INFO] [stderr] 230 |   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:25:9
[INFO] [stderr]     |
[INFO] [stderr] 25  |         unused_parens,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/uart.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |   port: Box<SerialPort>,
[INFO] [stderr]    |             ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:46:39
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stderr]    |                                       ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/uart.rs:122:64
[INFO] [stderr]     |
[INFO] [stderr] 122 |   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/i2c.rs:69:37
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stderr]    |                                     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/i2c.rs:156:36
[INFO] [stderr]     |
[INFO] [stderr] 156 |   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stderr]     |                                    ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `"docker" "inspect" "dc3661185beffd16bf2dc84d03e50b5d8ba03e28eae88f56cdae1a943609590c"`
[INFO] running `"docker" "rm" "-f" "dc3661185beffd16bf2dc84d03e50b5d8ba03e28eae88f56cdae1a943609590c"`
[INFO] [stdout] dc3661185beffd16bf2dc84d03e50b5d8ba03e28eae88f56cdae1a943609590c
[INFO] running `"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" "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] ec9b5180fec0533889639b293adedfc799e7bb2355a417c93cea3e16d76ac03e
[INFO] running `"docker" "start" "-a" "ec9b5180fec0533889639b293adedfc799e7bb2355a417c93cea3e16d76ac03e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] 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] [stderr]  --> src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         extra_requirement_in_impl,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]  --> src/lib.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         extra_requirement_in_impl,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         legacy_directory_ownership,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         plugin_as_library,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         legacy_directory_ownership,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]   --> src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         private_no_mangle_fns,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         plugin_as_library,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         private_no_mangle_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]   --> src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         private_no_mangle_fns,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         safe_extern_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         private_no_mangle_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         safe_extern_statics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         unions_with_drop_fields,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         unions_with_drop_fields,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/gpio.rs:230:32
[INFO] [stderr]     |
[INFO] [stderr] 230 |   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:25:9
[INFO] [stderr]     |
[INFO] [stderr] 25  |         unused_parens,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/uart.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |   port: Box<SerialPort>,
[INFO] [stderr]    |             ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:46:39
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stderr]    |                                       ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/uart.rs:122:64
[INFO] [stderr]     |
[INFO] [stderr] 122 |   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/i2c.rs:69:37
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stderr]    |                                     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/i2c.rs:156:36
[INFO] [stderr]     |
[INFO] [stderr] 156 |   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stderr]     |                                    ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/spi.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / bitflags! {
[INFO] [stderr] 8  | |     pub struct SPIModeFlags: u32 {
[INFO] [stderr] 9  | |         /// Clock Phase
[INFO] [stderr] 10 | |         const SPI_CPHA = 0x01;
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/gpio.rs:230:32
[INFO] [stderr]     |
[INFO] [stderr] 230 |   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:25:9
[INFO] [stderr]     |
[INFO] [stderr] 25  |         unused_parens,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/uart.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |   port: Box<SerialPort>,
[INFO] [stderr]    |             ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:46:39
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stderr]    |                                       ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/uart.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/uart.rs:122:64
[INFO] [stderr]     |
[INFO] [stderr] 122 |   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/i2c.rs:69:37
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stderr]    |                                     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/i2c.rs:156:36
[INFO] [stderr]     |
[INFO] [stderr] 156 |   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stderr]     |                                    ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libbeaglebone-9c571f0bd78abd65
[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 libbeaglebone
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/gpio.rs:230:32
[INFO] [stderr]     |
[INFO] [stderr] 230 |   pub fn read(&self) -> Result<(PinState)> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:25:9
[INFO] [stderr]     |
[INFO] [stderr] 25  |         unused_parens,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/uart.rs:46:39
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn new(uart_num: u32) -> Result<(UART)> {
[INFO] [stderr]    |                                       ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/uart.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |   pub fn read_chars(&mut self, num_bytes: usize) -> Result<(Vec<u8>)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/uart.rs:122:64
[INFO] [stderr]     |
[INFO] [stderr] 122 |   pub fn read_to_string(&mut self, num_bytes: usize) -> Result<(String)> {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/i2c.rs:69:37
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn new(i2c_num: u8) -> Result<(I2C)> {
[INFO] [stderr]    |                                     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/i2c.rs:156:36
[INFO] [stderr]     |
[INFO] [stderr] 156 |   pub fn read(&mut self) -> Result<(u8)> {
[INFO] [stderr]     |                                    ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "ec9b5180fec0533889639b293adedfc799e7bb2355a417c93cea3e16d76ac03e"`
[INFO] running `"docker" "rm" "-f" "ec9b5180fec0533889639b293adedfc799e7bb2355a417c93cea3e16d76ac03e"`
[INFO] [stdout] ec9b5180fec0533889639b293adedfc799e7bb2355a417c93cea3e16d76ac03e