these 14 derivations will be built:
  /nix/store/1wk69s5k0iy667m8x7p2b750a7fdm26r-embedded-io-0.6.1.drv
  /nix/store/54yix97lm9b26nfhjjcq6g2f10qk3i1z-crate-postcard-1.1.3.tar.gz.drv
  /nix/store/5sng26c0pa8gycddgbf8iyjk36yiaygs-crate-http-cache-reqwest-1.0.0-alpha.6.tar.gz.drv
  /nix/store/fwslmxg2ma9lp6817wijp3hknn7caaly-postcard-1.1.3.drv
  /nix/store/ad4vf5p0k41nfhljj7ss5gv99r8ad3zy-crate-http-cache-semantics-3.0.0.tar.gz.drv
  /nix/store/i2pfr8drmag19a5lhd4lzaqxkr0hachj-http-cache-semantics-3.0.0.drv
  /nix/store/j8rphz606qbgj3dq1big2dxr3xa4l4dk-http-cache-reqwest-1.0.0-alpha.6.drv
  /nix/store/qjmr9v9wh8s2hpa47wd70rndskacymdc-embedded-io-0.4.0.drv
  /nix/store/kca0fs5810bsh9pqmjsdqgi81iflsdpl-crate-http-cache-1.0.0-alpha.6.tar.gz.drv
  /nix/store/y612l7s2ysmgqhzcyrvmhkcc2zsl1ipp-http-cache-1.0.0-alpha.6.drv
  /nix/store/kns1wjbljskvdsrqya73057653ll5ijy-crate-cobs-0.3.0.tar.gz.drv
  /nix/store/ykqhrbmr5j1dk41w81322hyhcz1x3bgg-cobs-0.3.0.drv
  /nix/store/64qsrbjwq515kpa59laqqicb2diyai1s-cargo-vendor-dir.drv
  /nix/store/79k0x4dc7320zypsiis7k7x9rbgc1qqa-citiesapp-frontend.drv
these 2 paths will be fetched (25.8 KiB download, 25.6 KiB unpacked):
  /nix/store/b8czfx16wvw8adks8639wwilgwcdfslb-crate-embedded-io-0.4.0.tar.gz
  /nix/store/drcpmzhr6bm7fyhics0iykzmk954p9l4-crate-embedded-io-0.6.1.tar.gz