these 3 derivations will be built:
  /nix/store/57ynb9c7gd27ap61brbrg02hy2gr4cz9-bun-bin-1.4.2.drv
  /nix/store/6ayd227wj3d40gw0paz0925in882v5h3-hunk-0.23.0.drv
  /nix/store/cdcgpy1dml8arq4wjbgvihli4kisc0fk-check-hunk.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy