these 2 derivations will be built:
  /nix/store/5p43y464by1wmlmxacxg1w6fvn955i6v-amp-0.0.1792483247-gc2739b.drv
  /nix/store/jzlzk8niyz9ygrc6fpnbgyr14r221mlx-check-amp.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy