these 4 derivations will be built:
  /nix/store/2bskrj1pwkf4v5k81f9bzxj1ys0hdb6j-iets-fuzz-diff-0.0.0.drv
  /nix/store/7pjzv9jwxks213p4jccl4552k95w4akq-iets-0.1.0.drv
  /nix/store/63f6iinpvb1is00144iyg52dhsb8j62i-iets-conformance-adapter.drv
  /nix/store/j3cpx7kdl9b8ikvsssrksg5zpxhdgnr4-nix-conformance-iets.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
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
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
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy