Merge pull request #1466 from rust-lang/ci-fix

Fix CI package installation

Author: Kobzol

.github/workflows/ci.yml

@@ -159,6 +159,7 @@ jobs:
 
       - name: Configure environment
         run: |
+          sudo apt-get update
           sudo apt-get install -y linux-tools-common linux-tools-generic linux-tools-`uname -r`
           echo -1 | sudo tee /proc/sys/kernel/perf_event_paranoid