[INFO] cloning repository https://github.com/jamwaffles/stm32-cube [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamwaffles/stm32-cube" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamwaffles%2Fstm32-cube", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamwaffles%2Fstm32-cube'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0249e7e916f240003874b2ef06848ed35749daee [INFO] checking jamwaffles/stm32-cube against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamwaffles%2Fstm32-cube" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jamwaffles/stm32-cube on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-12/source/.cargo/config [INFO] started tweaking git repo https://github.com/jamwaffles/stm32-cube [INFO] removed path dependency stm32f1xx-hal from git repo https://github.com/jamwaffles/stm32-cube [INFO] finished tweaking git repo https://github.com/jamwaffles/stm32-cube [INFO] tweaked toml for git repo https://github.com/jamwaffles/stm32-cube written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/jamwaffles/stm32-cube already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: dependency (stm32f1xx-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: dependency (stm32f1xx-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27751f61719eaa83b7cd39c712413b6ffbbfe224c7af6d1930df1bcad73b3a6f [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" "27751f61719eaa83b7cd39c712413b6ffbbfe224c7af6d1930df1bcad73b3a6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27751f61719eaa83b7cd39c712413b6ffbbfe224c7af6d1930df1bcad73b3a6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27751f61719eaa83b7cd39c712413b6ffbbfe224c7af6d1930df1bcad73b3a6f", kill_on_drop: false }` [INFO] [stdout] 27751f61719eaa83b7cd39c712413b6ffbbfe224c7af6d1930df1bcad73b3a6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c58fb05230dd8c3331257a483a65d3bbed508f80e2d14f439358a671b8f54bf2 [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" "c58fb05230dd8c3331257a483a65d3bbed508f80e2d14f439358a671b8f54bf2", kill_on_drop: false }` [INFO] [stderr] warning: dependency (stm32f1xx-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cortex-m v0.6.4 [INFO] [stderr] Checking vcell v0.1.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Checking r0 v0.2.2 [INFO] [stderr] Compiling cortex-m-semihosting v0.3.5 [INFO] [stderr] Compiling stm32f1 v0.11.0 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking rtfm-core v0.3.0 [INFO] [stderr] Compiling cortex-m-rt v0.6.13 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Checking volatile-register v0.2.0 [INFO] [stderr] Checking as-slice v0.1.4 [INFO] [stderr] Checking embedded-dma v0.1.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Compiling cortex-m-rtfm v0.5.3 [INFO] [stderr] Checking aligned v0.3.4 [INFO] [stderr] Checking panic-semihosting v0.5.4 [INFO] [stderr] Compiling rtfm-syntax v0.4.0 [INFO] [stderr] Compiling cortex-m-rt-macros v0.1.8 [INFO] [stderr] Compiling cortex-m-rtfm-macros v0.5.1 [INFO] [stderr] Checking stm32f1xx-hal v0.7.0 [INFO] [stderr] Checking stm32-cube v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `WARM_WHITE` [INFO] [stdout] --> src/patterns.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | apa106led::{Apa106Led, OFF, WARM_WHITE}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/patterns.rs:36:18 [INFO] [stdout] | [INFO] [stdout] 36 | for z in (1..4) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/patterns.rs:67:33 [INFO] [stdout] | [INFO] [stdout] 67 | fade(wheel_col, (MAX_BRIGHTNESS as f32 / 255.0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ptr` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use core::ptr; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `asm::wfi` [INFO] [stdout] --> src/main.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | use cortex_m::{asm::wfi, singleton}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `embedded_hal::digital::v2::OutputPin` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use embedded_hal::digital::v2::OutputPin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `dma`, `gpiob` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | dma, [INFO] [stdout] | ^^^ [INFO] [stdout] 25 | gpio::{gpiob, gpioc::PC13, Output, PushPull, State}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead. [INFO] [stdout] --> src/main.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #[app(device = stm32f1xx_hal::pac, peripherals = true)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `idle`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead. [INFO] [stdout] --> src/main.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #[app(device = stm32f1xx_hal::pac, peripherals = true)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `WARM_WHITE` [INFO] [stdout] --> src/patterns.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | apa106led::{Apa106Led, OFF, WARM_WHITE}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/patterns.rs:36:18 [INFO] [stdout] | [INFO] [stdout] 36 | for z in (1..4) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/patterns.rs:67:33 [INFO] [stdout] | [INFO] [stdout] 67 | fade(wheel_col, (MAX_BRIGHTNESS as f32 / 255.0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ptr` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use core::ptr; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `asm::wfi` [INFO] [stdout] --> src/main.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | use cortex_m::{asm::wfi, singleton}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `embedded_hal::digital::v2::OutputPin` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use embedded_hal::digital::v2::OutputPin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `dma`, `gpiob` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | dma, [INFO] [stdout] | ^^^ [INFO] [stdout] 25 | gpio::{gpiob, gpioc::PC13, Output, PushPull, State}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead. [INFO] [stdout] --> src/main.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #[app(device = stm32f1xx_hal::pac, peripherals = true)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `idle`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead. [INFO] [stdout] --> src/main.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #[app(device = stm32f1xx_hal::pac, peripherals = true)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `counter` [INFO] [stdout] --> src/main.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | let mut counter = 0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut delay = Delay::new(cp.SYST, clocks); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let mut spi = Spi::spi2( [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | let mut counter = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `counter` [INFO] [stdout] --> src/main.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | let mut counter = 0; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut delay = Delay::new(cp.SYST, clocks); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let mut spi = Spi::spi2( [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | let mut counter = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/patterns.rs:60:44 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn christmas_rainbow(cube: &mut Cube4, mut spi_dma: &mut DmaInterface, delay: &mut Delay) { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/cube.rs:154:41 [INFO] [stdout] | [INFO] [stdout] 151 | unsafe { [INFO] [stdout] | ------ because it's nested under this `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 154 | .set_peripheral_address(unsafe { &(*SPI2::ptr()).dr as *const _ as u32 }, false); [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/embedded_rand.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/embedded_rand.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ON_BYTE` [INFO] [stdout] --> src/apa106led.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub const ON_BYTE: u8 = 0b1111_1100; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/patterns.rs:60:44 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn christmas_rainbow(cube: &mut Cube4, mut spi_dma: &mut DmaInterface, delay: &mut Delay) { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `OFF_BYTE` [INFO] [stdout] --> src/apa106led.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub const OFF_BYTE: u8 = 0b1100_0000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rgb_wheel` [INFO] [stdout] --> src/colour_functions.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn rgb_wheel(wheelpos: u8) -> Apa106Led { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rand_u8` [INFO] [stdout] --> src/embedded_rand.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn rand_u8() -> u8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/cube.rs:154:41 [INFO] [stdout] | [INFO] [stdout] 151 | unsafe { [INFO] [stdout] | ------ because it's nested under this `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 154 | .set_peripheral_address(unsafe { &(*SPI2::ptr()).dr as *const _ as u32 }, false); [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/embedded_rand.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/embedded_rand.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ON_BYTE` [INFO] [stdout] --> src/apa106led.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub const ON_BYTE: u8 = 0b1111_1100; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `OFF_BYTE` [INFO] [stdout] --> src/apa106led.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub const OFF_BYTE: u8 = 0b1100_0000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rgb_wheel` [INFO] [stdout] --> src/colour_functions.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn rgb_wheel(wheelpos: u8) -> Apa106Led { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rand_u8` [INFO] [stdout] --> src/embedded_rand.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn rand_u8() -> u8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `seed` should have an upper case name [INFO] [stdout] --> src/embedded_rand.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | static mut seed: u32 = 348723; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `SEED` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `seed` should have an upper case name [INFO] [stdout] --> src/embedded_rand.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | static mut seed: u32 = 348723; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `SEED` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 15s [INFO] running `Command { std: "docker" "inspect" "c58fb05230dd8c3331257a483a65d3bbed508f80e2d14f439358a671b8f54bf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c58fb05230dd8c3331257a483a65d3bbed508f80e2d14f439358a671b8f54bf2", kill_on_drop: false }` [INFO] [stdout] c58fb05230dd8c3331257a483a65d3bbed508f80e2d14f439358a671b8f54bf2