these 2 derivations will be built:
  /nix/store/r27yzy3q6y0f57ajw3hnyrywkfi4s5yz-flake-inputs.drv
  /nix/store/wy6h6hkdsfn5vvb47jhrvbw6m5maaq3v-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy