[INFO] fetching crate libbeaglebone 0.5.0... [INFO] checking libbeaglebone-0.5.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate libbeaglebone 0.5.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate libbeaglebone 0.5.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 38 packages to latest compatible versions [INFO] [stderr] Adding bitflags v0.7.0 (available: v2.6.0) [INFO] [stderr] Adding bitflags v0.9.1 (available: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding error-chain v0.10.0 (available: v0.12.4) [INFO] [stderr] Adding ioctl-rs v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding libudev v0.2.0 (available: v0.3.0) [INFO] [stderr] Adding nix v0.8.1 (available: v0.29.0) [INFO] [stderr] Adding serialport v1.0.1 (available: v4.5.1) [INFO] [stderr] Adding termios v0.2.2 (available: v0.3.3) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [INFO] [stderr] Adding winreg v0.4.0 (available: v0.52.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serialport v1.0.1 [INFO] [stderr] Downloaded ioctl-rs v0.1.6 [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] [stderr] Downloaded ktmw32-sys v0.1.1 [INFO] [stderr] Downloaded advapi32-sys v0.2.0 [INFO] [stderr] Downloaded nix v0.8.1 [INFO] [stderr] Downloaded error-chain v0.10.0 [INFO] [stderr] Downloaded termios v0.2.2 [INFO] [stderr] Downloaded winreg v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d9d8b4f5711c5b538ce89ab36a28f329249629036df14e90150df0355eaf9aa [INFO] running `Command { std: "docker" "start" "-a" "5d9d8b4f5711c5b538ce89ab36a28f329249629036df14e90150df0355eaf9aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d9d8b4f5711c5b538ce89ab36a28f329249629036df14e90150df0355eaf9aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d9d8b4f5711c5b538ce89ab36a28f329249629036df14e90150df0355eaf9aa", kill_on_drop: false }` [INFO] [stdout] 5d9d8b4f5711c5b538ce89ab36a28f329249629036df14e90150df0355eaf9aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 867e8fc8dca6fae01611e043164cdff4510c622df43717a31d6fd02efe9701ec [INFO] running `Command { std: "docker" "start" "-a" "867e8fc8dca6fae01611e043164cdff4510c622df43717a31d6fd02efe9701ec", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking nix v0.8.1 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking serialport v1.0.1 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking libbeaglebone v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #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 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 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_in_public` has been removed: replaced with another group of lints, see RFC for more information [INFO] [stdout] --> src/lib.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | private_in_public, [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 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] error: 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 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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)> { [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)> { [INFO] [stdout] 95 + pub fn read_chars(&mut self, num_bytes: usize) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #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] error: 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 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `extra_requirement_in_impl` has been removed: converted into hard error, see issue #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 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] error: 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 { [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_in_public` has been removed: replaced with another group of lints, see RFC for more information [INFO] [stdout] --> src/lib.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | private_in_public, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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 { [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 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: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spi.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / bitflags! { [INFO] [stdout] 8 | | pub struct SPIModeFlags: u32 { [INFO] [stdout] 9 | | /// Clock Phase [INFO] [stdout] 10 | | const SPI_CPHA = 0x01; [INFO] [stdout] ... | [INFO] [stdout] 40 | | } [INFO] [stdout] 41 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spi.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / bitflags! { [INFO] [stdout] 8 | | pub struct SPIModeFlags: u32 { [INFO] [stdout] 9 | | /// Clock Phase [INFO] [stdout] 10 | | const SPI_CPHA = 0x01; [INFO] [stdout] ... | [INFO] [stdout] 40 | | } [INFO] [stdout] 41 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spi.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / bitflags! { [INFO] [stdout] 8 | | pub struct SPIModeFlags: u32 { [INFO] [stdout] 9 | | /// Clock Phase [INFO] [stdout] 10 | | const SPI_CPHA = 0x01; [INFO] [stdout] ... | [INFO] [stdout] 40 | | } [INFO] [stdout] 41 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [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] error: 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 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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)> { [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)> { [INFO] [stdout] 95 + pub fn read_chars(&mut self, num_bytes: usize) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spi.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / bitflags! { [INFO] [stdout] 8 | | pub struct SPIModeFlags: u32 { [INFO] [stdout] 9 | | /// Clock Phase [INFO] [stdout] 10 | | const SPI_CPHA = 0x01; [INFO] [stdout] ... | [INFO] [stdout] 40 | | } [INFO] [stdout] 41 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spi.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / bitflags! { [INFO] [stdout] 8 | | pub struct SPIModeFlags: u32 { [INFO] [stdout] 9 | | /// Clock Phase [INFO] [stdout] 10 | | const SPI_CPHA = 0x01; [INFO] [stdout] ... | [INFO] [stdout] 40 | | } [INFO] [stdout] 41 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spi.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / bitflags! { [INFO] [stdout] 8 | | pub struct SPIModeFlags: u32 { [INFO] [stdout] 9 | | /// Clock Phase [INFO] [stdout] 10 | | const SPI_CPHA = 0x01; [INFO] [stdout] ... | [INFO] [stdout] 40 | | } [INFO] [stdout] 41 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/uart.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | port: Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 | port: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/uart.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | port: Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 | port: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `i2c_num` is never read [INFO] [stdout] --> src/i2c.rs:47:3 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct I2C { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 47 | i2c_num: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `I2C` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[deny(dead_code)]` implied by `#[deny(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: fields `bits_per_word`, `max_speed_hz`, `lsb_first`, and `spi_mode` are never read [INFO] [stdout] --> src/spi.rs:111:3 [INFO] [stdout] | [INFO] [stdout] 110 | pub struct SPI { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 111 | bits_per_word: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 112 | max_speed_hz: u32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 113 | lsb_first: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 114 | spi_mode: SPIModeFlags, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SPI` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors; 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `i2c_num` is never read [INFO] [stdout] --> src/i2c.rs:47:3 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct I2C { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 47 | i2c_num: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `I2C` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[deny(dead_code)]` implied by `#[deny(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: fields `bits_per_word`, `max_speed_hz`, `lsb_first`, and `spi_mode` are never read [INFO] [stdout] --> src/spi.rs:111:3 [INFO] [stdout] | [INFO] [stdout] 110 | pub struct SPI { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 111 | bits_per_word: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 112 | max_speed_hz: u32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 113 | lsb_first: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 114 | spi_mode: SPIModeFlags, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SPI` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libbeaglebone` (lib) due to 9 previous errors; 13 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 8 previous errors; 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libbeaglebone` (lib test) due to 9 previous errors; 13 warnings emitted [INFO] running `Command { std: "docker" "inspect" "867e8fc8dca6fae01611e043164cdff4510c622df43717a31d6fd02efe9701ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "867e8fc8dca6fae01611e043164cdff4510c622df43717a31d6fd02efe9701ec", kill_on_drop: false }` [INFO] [stdout] 867e8fc8dca6fae01611e043164cdff4510c622df43717a31d6fd02efe9701ec