these 2 derivations will be built:
  /nix/store/z71irissra82zqr3s3113508yrv63l3r-flake-inputs.drv
  /nix/store/ras07wp7bnxn86qiiw3d6l8qblwmlbgz-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy