these 2 derivations will be built:
  /nix/store/xfczw7lfqrb3jiws5l8xfq7zgxcqv6lk-notmuch-0.40.drv
  /nix/store/7r1z6af68kcfj7afg1z1fzcg8sxi3a9y-msmtp.drv
these 4 paths will be fetched (685.3 KiB download, 3.1 MiB unpacked):
  /nix/store/xzn7yslw1vmr3fir573b7hxwf3igr9nd-gmime-3.2.15
  /nix/store/gjvd8dzfr8xpi014in9frbzk911a9lch-gmime-3.2.15-dev
  /nix/store/h87bbcy47inqx4a4di1jrqi4d8c03nc0-gpgme-2.1.2
  /nix/store/s7pk1844mgp99xacb62793fsdb5d2qjr-gpgme-2.1.2-dev