these 3 derivations will be built:
  /nix/store/zkvn5ys0sspz4xvz0i41mg7z2avh3z54-workmux-0.1.273-vendor.drv
  /nix/store/yqzlngq6wwndzmry0dkln2b96dd75njc-workmux-0.1.273.drv
  /nix/store/wdhf5s1z1hqkizp6p4hmz4fnr1aik9l8-check-workmux.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy