this derivation will be built:
  /nix/store/3vrxyc4709vs61yxq7lsn2sk5jwz37md-nix-shell.drv
this path will be fetched (1.0 MiB download, 5.6 MiB unpacked):
  /nix/store/mvvx4c8plyzv0nnqmq4hhaf6b0ymkw18-composer-2.10.3