this derivation will be built:
  /nix/store/i8nbfprwkdpws19bzbbkpixjhqsvg8w6-nix-shell.drv
this path will be fetched (1.1 MiB download, 5.8 MiB unpacked):
  /nix/store/b21zgfsafiwvqsb13x9dfp6h23cignyc-composer-2.10.3