[CI] git revert e6167ec6

This reverts commit e6167ec647.

Revert "[CI] Pin the nightly version in the Dockerfile to one that is working"

Because nightly is working again (since a couple of weeks).

Cargo.toml

@@ -6,7 +6,7 @@ members = [
 
 [package]
 name = "ruduino"
-version = "0.3.3"
+version = "0.4.0"
 edition = "2018"
 authors = [
   "The AVR-Rust Project Developers",
@@ -29,7 +29,7 @@ all-mcus = []
 
 [dependencies]
 avr-config = { version = "2.0", features = ["cpu-frequency"] }
-avr_delay = { git = "https://github.com/avr-rust/delay", version = "0.4" }
+avr_delay = { git = "https://github.com/avr-rust/delay", rev = "849918a8dfb2" }
 avr-std-stub = { version = "1.0", optional = true }
 const_env--value = "0.1"
 target-cpu-macro = "0.1"

Dockerfile.ci

@@ -10,8 +10,7 @@ RUN mkdir -p /code && chown avr-rust:avr-rust /code
 USER avr-rust
 
 # Install Rustup along with nightly
-# TODO: Unpin from Jan 2021 nightly. The nightlies broke midway through the month.
-RUN wget -q https://sh.rustup.rs -O /tmp/rustup.sh && sh /tmp/rustup.sh -y --profile minimal --default-toolchain nightly-2021-01-05 -c rust-src --quiet
+RUN wget -q https://sh.rustup.rs -O /tmp/rustup.sh && sh /tmp/rustup.sh -y --profile minimal --default-toolchain nightly -c rust-src --quiet
 ENV PATH=/home/avr-rust/.cargo/bin:$PATH
 
 COPY --chown=avr-rust:avr-rust . /code/ruduino

avr-atmega328p.json

@@ -8,7 +8,6 @@
   "linker-flavor": "gcc",
   "linker-is-gnu": true,
   "llvm-target": "avr-unknown-unknown",
-  "no-compiler-rt": true,
   "os": "unknown",
   "position-independent-executables": false,
   "exe-suffix": ".elf",

src/interrupt.rs

@@ -1,5 +1,6 @@
 //! Routines for managing interrupts.
 
+use core::arch::asm;
 use core::prelude::v1::*;
 use core::marker::PhantomData;
 
@@ -22,7 +23,7 @@ pub fn without_interrupts<F, T>(f: F) -> T
 impl DisableInterrupts {
     #[inline(always)]
     pub fn new() -> DisableInterrupts {
-        unsafe { llvm_asm!("CLI") }
+        unsafe { asm!("CLI") }
         DisableInterrupts(PhantomData)
     }
 }
@@ -30,7 +31,7 @@ impl DisableInterrupts {
 impl Drop for DisableInterrupts {
     #[inline(always)]
     fn drop(&mut self) {
-        unsafe { llvm_asm!("SEI") }
+        unsafe { asm!("SEI") }
     }
 }
 

src/lib.rs

@@ -1,6 +1,6 @@
 //! Definitions of register addresses and bits within those registers
 
-#![feature(llvm_asm)]
+#![feature(asm_experimental_arch)]
 #![feature(associated_type_defaults)]
 #![feature(lang_items)]
 #![feature(proc_macro_hygiene)]