these 2 derivations will be built:
  /nix/store/r6dcbagk8yq52s4dzimfj0knz5rnh5kf-hg-archive.drv
  /nix/store/vn3c7584az4zlfaxz17h10i312pwmd8c-zandronum-3.0.1.drv
building '/nix/store/mi8fd7a7kn2hkc1h8zs2aqnilbcr3v49-hg-archive.drv'
hg-archive> getting https://hg.osdn.net/view/zandronum/zandronum-stable (ZA_3.0.1) into /nix/store/1vhivvy5jxad3zrv0a422nnbpgkanm16-hg-archive
hg-archive> abort: error: Name or service not known
error: Cannot build '/nix/store/mi8fd7a7kn2hkc1h8zs2aqnilbcr3v49-hg-archive.drv'.
       Reason: builder failed with exit code 255.
       Output paths:
         /nix/store/1vhivvy5jxad3zrv0a422nnbpgkanm16-hg-archive
       Last 2 log lines:
       > getting https://hg.osdn.net/view/zandronum/zandronum-stable (ZA_3.0.1) into /nix/store/1vhivvy5jxad3zrv0a422nnbpgkanm16-hg-archive
       > abort: error: Name or service not known
       For full logs, run:
         nix log /nix/store/mi8fd7a7kn2hkc1h8zs2aqnilbcr3v49-hg-archive.drv
error: build of resolved derivation '/nix/store/mi8fd7a7kn2hkc1h8zs2aqnilbcr3v49-hg-archive.drv' failed
error: Cannot build '/nix/store/vn3c7584az4zlfaxz17h10i312pwmd8c-zandronum-3.0.1.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/qrxwcl8isyn6x7s7x6wm39rfpai1gb8z-zandronum-3.0.1