this derivation will be built:
  /nix/store/i1m217lsk7vcw3z673n2drypi8psg4iq-inputDerivation-effect-docs.drv
building '/nix/store/i1m217lsk7vcw3z673n2drypi8psg4iq-inputDerivation-effect-docs.drv'...
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy