this derivation will be built:
  /nix/store/7236mdy4n5ywbyhl60wbyjbglaky82nn-bcachefs-module-7.0.0-14-generic.drv
these 2 paths will be fetched (212.38 MiB download, 987.05 MiB unpacked):
  /nix/store/k90kpbsf6amcvbyb43yxlfkzycpxbj8y-rustc-1.91.1
  /nix/store/lvdr3nws8gs2qcgm3rnwvjprcx55kx7l-rustc-wrapper-1.91.1
copying path '/nix/store/k90kpbsf6amcvbyb43yxlfkzycpxbj8y-rustc-1.91.1' from 'https://cache.nixos.org'...
building '/nix/store/7236mdy4n5ywbyhl60wbyjbglaky82nn-bcachefs-module-7.0.0-14-generic.drv'...