CI fixes (#93)

Get CI working again: remove the self hosted armv7 runner, and apt-get update on bsd.

.github/workflows/build.yml

@@ -17,16 +17,6 @@ jobs:
       - uses: actions/setup-python@v4
       - uses: pre-commit/[email protected]
 
-  build-linux-armv7:
-    runs-on: [self-hosted, linux, arm]
-    needs: [lint]
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build
-      run: cargo build --verbose --examples --features unwind
-    - name: Run tests
-      run: cargo test --verbose --features unwind
-
   build-mac:
     runs-on: macos-latest
     needs: [lint]
@@ -105,6 +95,7 @@ jobs:
         run: lscpu
       - name: Install VM tools
         run: |
+          sudo apt-get update -qq
           sudo apt-get install -qq -o=Dpkg::Use-Pty=0 moreutils
           sudo chronic apt-get install -qq -o=Dpkg::Use-Pty=0 vagrant virtualbox qemu libvirt-daemon-system
       - name: Set up VM

build.rs

@@ -1,6 +1,8 @@
 use std::env;
 
 fn main() {
+    println!("cargo::rustc-check-cfg=cfg(use_libunwind)");
+
     // We only support native unwinding on some platforms
     let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
     match target_arch.as_str() {

ci/Vagrantfile

@@ -21,7 +21,7 @@ Vagrant.configure("2") do |config|
     chsh -s /usr/local/bin/bash vagrant
     pw groupmod wheel -m vagrant
     su -l vagrant <<'EOF'
-    curl https://sh.rustup.rs -sSf | sh -s -- -y --profile minimal --default-toolchain 1.73.0
+    curl https://sh.rustup.rs -sSf | sh -s -- -y --profile minimal --default-toolchain 1.81.0
     EOF
   SHELL
 end