these 2 derivations will be built:
  /nix/store/f8jns5l7ia5s4npzig4lc64qw8yqdimb-source.drv
  /nix/store/3clfvndiqdhxxhjsvhnwvrwni2pm8127-fmtoy-unstable-2021-12-24.drv
this path will be fetched (349.5 KiB download, 1.8 MiB unpacked):
  /nix/store/5waxd3ih32lsyml5psdk7mjslc9rn53c-dos2unix-7.4.3