====== Attempt #1
-----> Fetching repository
       Cloning into '/tmp/d20200703-6-1gf3kpp/input'...
-----> Setting up package repository...
-----> Starting packaging process
-----> Additional environment variables
       UUID=921b4f56-8a5e-4156-ad2c-eb1827e8ac93
       HOME=/home/pkgr
-----> Found valid cache
-----> Restoring cache...
-----> Fetching pkgr 5a4866cfdba616b0bae8ac79f05d3cd4ffb37f75...
-----> Starting packaging process...
-----> Fetching buildpack https://github.com/pkgr/heroku-buildpack-ruby.git at v206-1
-----> Fetching buildpack https://github.com/pkgr/heroku-buildpack-python.git at buildcurl
-----> Fetching buildpack https://github.com/heroku/heroku-buildpack-nodejs.git at v106
-----> Node.js app
       
-----> Creating runtime environment
       
       NPM_CONFIG_PRODUCTION=true
       NPM_CONFIG_LOGLEVEL=error
       NODE_VERBOSE=false
       NODE_ENV=production
       NODE_MODULES_CACHE=true
       
-----> Installing binaries
       engines.node (package.json):  >= 10.13.0
       engines.npm (package.json):   unspecified (use default)
       
       Resolving node version >= 10.13.0 via semver.io...
       Downloading and installing node 14.5.0...
       Detected package-lock.json: defaulting npm to version 5.x.x
       Resolving npm version 5.x.x via semver.io...
       Downloading and installing npm 5.10.0 (replacing version 6.14.5)...
       
-----> Restoring cache
       Skipping cache restore (new-signature)
       
-----> Building dependencies
       Installing node modules (package.json)
       npm ERR! cb.apply is not a function
       
       npm ERR! A complete log of this run can be found in:
       npm ERR!     /home/pkgr/.npm/_logs/2020-07-03T04_51_13_376Z-debug.log
       
-----> Build failed
       
       We're sorry this build is failing! You can troubleshoot common issues here:
       https://devcenter.heroku.com/articles/troubleshooting-node-deploys
       
       Some possible problems:
       
       - Dangerous semver range (>) in engines.node
       https://devcenter.heroku.com/articles/nodejs-support#specifying-a-node-js-version
       
       Love,
       Heroku
       
       ! ERROR: compile failed
Failed to package application
tar: This does not look like a tar archive
tar: Exiting with failure status due to previous errors
       ! FAILED - Build error.
       ! Please contact support.