these 3 derivations will be built:
  /nix/store/22k77m1rnhxlmhdhi3ggmmxlygyqaxsr-iets-fuzzers-0.0.0.drv
  /nix/store/8rqppy8hcw3bk132ffqpnrj4sq20mc6x-iets-fuzz-diff-0.0.0.drv
  /nix/store/hsm37lfnm14kqgsp7wsfyly6rcgz5bzg-iets-fuzz-wire-check.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy