Revert "Merge master into staging-next"

I merged master into staging-next but accidentally pushed it to master.
This should get us back to 87a19e9048.

This reverts commit ac241fb7a5, reversing
changes made to 76a439239e.

nixos/tests/lorri/default.nix

@@ -15,12 +15,12 @@ import ../make-test-python.nix {
 
     # Start the daemon and wait until it is ready
     machine.execute("lorri daemon > lorri.stdout 2> lorri.stderr &")
-    machine.wait_until_succeeds("grep --fixed-strings 'ready' lorri.stdout")
+    machine.wait_until_succeeds("grep --fixed-strings 'lorri: ready' lorri.stdout")
 
     # Ping the daemon
-    machine.succeed("lorri internal__ping shell.nix")
+    machine.execute("lorri ping_ $(readlink -f shell.nix)")
 
     # Wait for the daemon to finish the build
-    machine.wait_until_succeeds("grep --fixed-strings 'Completed' lorri.stdout")
+    machine.wait_until_succeeds("grep --fixed-strings 'OutputPaths' lorri.stdout")
   '';
 }