Heroku log when we try to deploy this bot to heroku

Heroku Error log for iambot

Vishnu Vardhan Rao, [19.09.16 23:53]
remote: —---> Building dependencies
remote:        Installing node modules (package.json)
remote:
remote:        > node-icu-charset-detector@0.1.4 install /tmp/build_7bd0439f90b831f3072f80dfb90c546d/node_modules/node-icu-charset-detector
remote:        > node-gyp rebuild
remote:
remote:        make: Entering directory `/tmp/build_7bd0439f90b831f3072f80dfb90c546d/node_modules/node-icu-charset-detector/build'
remote:        CXX(target) Release/obj.target/node-icu-charset-detector/node-icu-charset-detector.o
remote:        ../node-icu-charset-detector.cpp:7:28: fatal error: unicode/ucsdet.h: No such file or directory
remote:        #include <unicode/ucsdet.h>
remote:        ^
remote:        compilation terminated.
remote:        make: *** [Release/obj.target/node-icu-charset-detector/node-icu-charset-detector.o] Error 1
remote:        make: Leaving directory `/tmp/build_7bd0439f90b831f3072f80dfb90c546d/node_modules/node-icu-charset-detector/build'
remote:        gyp ERR! build error
remote:        gyp ERR! stack Error: make failed with exit code: 2
remote:        gyp ERR! stack     at ChildProcess.onExit (/tmp/build_7bd0439f90b831f3072f80dfb90c546d/.heroku/node/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:276:23)
remote:        gyp ERR! stack     at emitTwo (events.js:100:13)
remote:        gyp ERR! stack     at ChildProcess.emit (events.js:185:7)
remote:        gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:204:12)
remote:        gyp ERR! System Linux 3.13.0-95-generic
remote:        gyp ERR! command "/tmp/build_7bd0439f90b831f3072f80dfb90c546d/.heroku/node/bin/node" "/tmp/build_7bd0439f90b831f3072f80dfb90c546d/.heroku/node/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
remote:        gyp ERR! cwd /tmp/build_7bd0439f90b831f3072f80dfb90c546d/node_modules/node-icu-charset-detector
remote:        gyp ERR! node -v v5.11.1
remote:        gyp ERR! node-gyp -v v3.3.1
remote:        gyp ERR! not ok
remote:
remote: —---> Caching build
remote:        Clearing previous node cache
remote:        Saving 2 cacheDirectories (default):
remote:        - node_modules
remote:        - bower_components (nothing to cache)
remote:
remote: —---> Build succeeded!
remote:        └── irc@0.5.0
remote:
remote: —---> Discovering process types
remote:        Procfile declares types     -> (none)
remote:        Default types for buildpack -> web
remote:
remote: —---> Compressing...
remote:        Done: 17M
remote: —---> Launching...
remote:        Released v4
remote:        https://fathomless-badlands-43943.herokuapp.com/ deployed to Heroku
remote:
remote: Verifying deploy... done.
To https://git.heroku.com/fathomless-badlands-43943.git
   00244df..0a11390  master -> master