these 3 derivations will be built:
  /nix/store/fam5106bhabdrsb8qf3cq7gw3hlcs08v-iets-fuzz-diff-0.0.0.drv
  /nix/store/wgzklbipg2zjvzwminf59f4048vrmayd-iets-fuzzers-0.0.0.drv
  /nix/store/45cqpyx5svsnwn9fr2myb6lgqcc8iznw-iets-fuzz-parse-check.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy