vagrant@mytrusty:/var/apps/purescript-argonaut-core$ sudo npm install -g purescript
/usr/local/bin/psc -> /usr/local/lib/node_modules/purescript/bin/psc.js
/usr/local/bin/psc-bundle -> /usr/local/lib/node_modules/purescript/bin/psc-bundle.js
/usr/local/bin/psc-docs -> /usr/local/lib/node_modules/purescript/bin/psc-docs.js
/usr/local/bin/psc-ide-client -> /usr/local/lib/node_modules/purescript/bin/psc-ide-client.js
/usr/local/bin/psc-ide-server -> /usr/local/lib/node_modules/purescript/bin/psc-ide-server.js
/usr/local/bin/psc-publish -> /usr/local/lib/node_modules/purescript/bin/psc-publish.js
/usr/local/bin/psci -> /usr/local/lib/node_modules/purescript/bin/psci.js

> purescript@0.8.5 postinstall /usr/local/lib/node_modules/purescript
> node --harmony_destructuring lib/install.js

node: bad option: --harmony_destructuring
npm ERR! Linux 3.13.0-85-generic
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "purescript"
npm ERR! node v6.0.0
npm ERR! npm  v3.8.6
npm ERR! code ELIFECYCLE

npm ERR! purescript@0.8.5 postinstall: `node --harmony_destructuring lib/install.js`
npm ERR! Exit status 9
npm ERR!
npm ERR! Failed at the purescript@0.8.5 postinstall script 'node --harmony_destructuring lib/install.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the purescript package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node --harmony_destructuring lib/install.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs purescript
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls purescript
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /var/apps/purescript-argonaut-core/npm-debug.log