copying path '/nix/store/l8b4mi6dhb4fkrfr94af32x69lnhglsz-source' from 'https://hetzner-cache.numtide.com'...
this derivation will be built:
  /nix/store/wl4i2ymnppdvqm00kgjm00j0nv9ks5l6-inputDerivation-effect-update-nix-git.drv
this path will be fetched (14.9 MiB download, 43.9 MiB unpacked):
  /nix/store/66h5dr9v94x04myh2kabx06rq9763jfc-gh-2.102.0
copying path '/nix/store/66h5dr9v94x04myh2kabx06rq9763jfc-gh-2.102.0' from 'https://hetzner-cache.numtide.com'...
building '/nix/store/wl4i2ymnppdvqm00kgjm00j0nv9ks5l6-inputDerivation-effect-update-nix-git.drv'...