these 2 derivations will be built:
  /nix/store/0am3zp9b2mbyyfwwnakjkldfn6dnncr2-iets-fuzzers-0.0.0.drv
  /nix/store/fd82b9hs08agb7xi0rk37jr3fx10q71v-iets-fuzz-parse-check.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy