this derivation will be built:
  /nix/store/bpiy0d7hlshppc90gvjkvkrr1jnnhr28-molden-6.3.drv
these 3 paths will be fetched (57.6 MiB download, 235.0 MiB unpacked):
  /nix/store/j6d99n8gf1q69x2k2cz260q90s6qw7i0-gfortran-11.3.0
  /nix/store/1n1a41zzy7yi2bbbbrbj3gdy8aqrxaa7-gfortran-wrapper-11.3.0
  /nix/store/6wivzzvv44xcdxxqv7blxcsdv8jbvwv8-libXmu-1.1.3-dev