Use nightly, with new resolver.

Don't build for hf - we don't bundle those libs.

Author: Jonathan Pallant (42 Technology)

.github/workflows/build.yml

@@ -11,13 +11,12 @@ jobs:
     strategy:
       matrix:
         target:
-          - thumbv8m.main-none-eabihf
           - thumbv8m.main-none-eabi
     steps:
       - uses: actions/checkout@v1
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
           target: ${{ matrix.target }}
           override: true
       - uses: actions-rs/cargo@v1

Cargo.toml

@@ -7,6 +7,7 @@ license = "MIT OR Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/42-technology-ltd/nrfxlib"
 description = "Rust driver for the LTE stack on the Nordic nRF9160"
+resolver = "2"
 
 [dependencies]
 nrf9160-pac = "0.2.1"