Target 'topo/world-10m.json' fails. about world-atlas HOT 4 CLOSED

bounds: -1.5768348533065902e+308 -1.7728960695858624e+308 1.753085161088212e+308 1.641883998050292e+308 (cartesian)

seemant@lucky ~/Projects/d3 $ git clone [email protected]:mbostock/world-atlas.git
Cloning into 'world-atlas'...
aremote: Counting objects: 78, done.
remote: Total 78 (delta 0), reused 0 (delta 0)
Receiving objects: 100% (78/78), 12.59 KiB | 0 bytes/s, done.
Resolving deltas: 100% (38/38), done.
Checking connectivity... done.
seemant@lucky ~/Projects/d3 $ cd world-atlas/
seemant@lucky ~/Projects/d3/world-atlas $ npm install

> [email protected] install /home/seemant/Projects/d3/world-atlas/node_modules/topojson/node_modules/d3/node_modules/jsdom/node_modules/contextify
> node-gyp rebuild

make: Entering directory '/home/seemant/Projects/d3/world-atlas/node_modules/topojson/node_modules/d3/node_modules/jsdom/node_modules/contextify/build'
  CXX(target) Release/obj.target/contextify/src/contextify.o
  SOLINK_MODULE(target) Release/obj.target/contextify.node
  SOLINK_MODULE(target) Release/obj.target/contextify.node: Finished
  COPY Release/contextify.node
make: Leaving directory '/home/seemant/Projects/d3/world-atlas/node_modules/topojson/node_modules/d3/node_modules/jsdom/node_modules/contextify/build'
[email protected] node_modules/topojson
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected] ([email protected])
├── [email protected] ([email protected])
└── [email protected] ([email protected])
seemant@lucky ~/Projects/d3/world-atlas $ make topo/world-10m.json
mkdir -p zip/
curl "http://naciscdn.org/naturalearth/10m/cultural/ne_10m_admin_0_countries.zip" -o zip/ne_10m_admin_0_countries.zip.download
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 5236k  100 5236k    0     0   278k      0  0:00:18  0:00:18 --:--:--  305k
mv zip/ne_10m_admin_0_countries.zip.download zip/ne_10m_admin_0_countries.zip
mkdir -p shp/
unzip -d shp zip/ne_10m_admin_0_countries.zip
Archive:  zip/ne_10m_admin_0_countries.zip
  inflating: shp/ne_10m_admin_0_countries.README.html  
 extracting: shp/ne_10m_admin_0_countries.VERSION.txt  
  inflating: shp/ne_10m_admin_0_countries.dbf  
  inflating: shp/ne_10m_admin_0_countries.prj  
  inflating: shp/ne_10m_admin_0_countries.shp  
  inflating: shp/ne_10m_admin_0_countries.shx  
 extracting: shp/ne_10m_admin_0_countries.cpg  
touch shp/ne_10m_admin_0_countries.shp
mkdir -p topo/
node_modules/.bin/topojson \
    --quantization 1e5 \
    --id-property=+iso_n3 \
    -- countries=shp/ne_10m_admin_0_countries.shp \
    | node_modules/.bin/topojson-merge \
        -o topo/world-10m.json \
        --io=countries \
        --oo=land \
        --no-key

undefined:0

^
SyntaxError: Unexpected end of input
    at Object.parse (native)
    at Object.<anonymous> (/home/seemant/Projects/d3/world-atlas/node_modules/topojson/bin/topojson-merge:60:21)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:906:3
Makefile:75: recipe for target 'topo/world-10m.json' failed
make: *** [topo/world-10m.json] Error 8