these 5 derivations will be built:
  /nix/store/ffb0jzrfb00v1mm7saj4ixbrhvfmvcj1-regex-1.13.1.drv
  /nix/store/ldq92v8bglmd8qxgnbqi06hgn0jimfqc-regex-syntax-0.8.11.drv
  /nix/store/n6x6dba42kpr2ykj24r3vq9fc8cj6qn9-regex-automata-0.4.18.drv
  /nix/store/n90qq1rr8y1s13m0syq14d2bnpl7pwiy-cargo-vendor-dir.drv
  /nix/store/xswlfnwk5avwyyf6a4726rbp2l6k287l-nix-wire-0.1.0.drv