these 2 derivations will be built:
  /nix/store/6q3afasmncnh5r2x2jifcrzxip2dnw79-amp-0.0.1794628846-g6069ba.drv
  /nix/store/lja9pzim4p91cvpqjfq8x5h56201jr93-check-amp.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy