these 2 derivations will be built:
  /nix/store/zgjrx2kd016zxmw8xfg6vk9148mcn63w-muse-code-1.4.20-R8619.1.drv
  /nix/store/drgxwvbwdzwqnhlw1xyc16gamfyzdcz7-check-muse-code.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy