these 2 derivations will be built:
  /nix/store/bigl32hldmfw21qbwiyhxzblgnyaisgq-flake-inputs.drv
  /nix/store/3ci7xmd91g8l260nhmw8v4annql6qqn8-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy