these 2 derivations will be built:
  /nix/store/2fmk5rys0v9xxh8zfspkm48ra2gaw2c6-iets-fuzzers-0.0.0.drv
  /nix/store/4amcaa4rp6g7wfpxzs8lwlna9ir99kk7-iets-fuzz-wire-check.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy