these 2 derivations will be built:
  /nix/store/rxj0wqfxqzkh8nxr4818cadj7ghbk6jm-source.drv
  /nix/store/jwsdp2rxq9dzdmgsadc3r4776lyq7qyx-pinsel-unstable-2021-09-13.drv
this path will be fetched (239.3 KiB download, 1.5 MiB unpacked):
  /nix/store/2a2l1l55px9hyi0iq0da8b7vh60dk3yh-lua-5.2.4