these 3 derivations will be built:
  /nix/store/pv3z35g7p9k7pxani9zdfd0frgigrg2y-handy.desktop.drv
  /nix/store/pfzw5bsgk1g1ad6s9hgjjh175vlj9s9a-handy-0.9.8.drv
  /nix/store/fy8n148qj5vlnsm1vn7k2kmnqfa3b0pc-check-handy.drv
these 7 paths will be fetched (2.8 MiB download, 57.3 MiB unpacked):
  /nix/store/mpjyscfsdpgq88achiji5330vi1qaasf-Handy_0.9.8_amd64.deb
  /nix/store/vfy44rdk3y99clm2fzazm45d12lzwmnq-dpkg-1.23.7
  /nix/store/gg9ybbps3sa17ws4nysdlr8xm8wl5mwx-gtk-layer-shell-0.10.1
  /nix/store/n8465gjm4br5g554qxiz1arbgq3kpips-gtk-layer-shell-0.10.1-dev
  /nix/store/sknycl8yshrhrv90mgbd7vggxldq05xl-libsoup-3.8.0-dev
  /nix/store/a03v5xv06a0cqrhg4l2hzi9x162i6qw2-openblas-0.3.33-dev
  /nix/store/y6xwnq80vp87bqlrafx6nr3bmbby3ynn-webkitgtk-2.54.1+abi=4.1-dev