these 2 derivations will be built:
  /nix/store/j3vmd55y1msgp2rgifgq2hq37sg0ynrv-flake-inputs.drv
  /nix/store/i4wj3gadb7glfkzn9i815giq1ymqf91p-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy