UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/604.1.6 (KHTML, like Gecko) Version/10.2 Safari/604.1.6

Steps to reproduce the problem:
1. Open https://jsbin.com/pugatehuxu/1/edit?html,output
2. Open dev tools
3. Disable cache onNetwork tab
4. Click "Run with JS" and wait for Output to show "Dojo Version: 1.12.1 (a1e2d9d)"
5. Click "Run with JS" again

What is the expected behavior?
Output show show "Dojo Version: 1.12.1 (a1e2d9d)"

What went wrong?
Output is blank and Dev tools console shows script errors and some show net::ERR_FAILED. The network tab shows about a dozen requests that have a status of cancelled and sometimes another dozen with a status of failed.

Did this work before? N/A 

Chrome version: 56.0.2924.87  Channel: stable
OS Version: OS X 10.12.3
Flash Version: 24.0.0.221

Example Net event log:

38665: URL_REQUEST
https://js.arcgis.com/3.20/dojox/gfx/filters.js
Start Time: 2017-02-27 16:23:16.471

t=2132 [st= 0] +REQUEST_ALIVE  [dt=39]
t=2133 [st= 1]    URL_REQUEST_DELEGATE  [dt=0]
t=2133 [st= 1]   +URL_REQUEST_START_JOB  [dt=38]
                  --> load_flags = 33026 (BYPASS_CACHE | MAYBE_USER_GESTURE | VERIFY_EV_CERT)
                  --> method = "GET"
                  --> priority = "LOWEST"
                  --> url = "https://js.arcgis.com/3.20/dojox/gfx/filters.js"
t=2133 [st= 1]      URL_REQUEST_DELEGATE  [dt=0]
t=2133 [st= 1]      HTTP_CACHE_GET_BACKEND  [dt=0]
t=2133 [st= 1]      HTTP_CACHE_DOOM_ENTRY  [dt=0]
t=2133 [st= 1]      HTTP_CACHE_CREATE_ENTRY  [dt=0]
t=2133 [st= 1]      HTTP_CACHE_ADD_TO_ENTRY  [dt=0]
t=2133 [st= 1]     +HTTP_STREAM_REQUEST  [dt=1]
t=2133 [st= 1]        HTTP_STREAM_REQUEST_STARTED_JOB
                      --> source_dependency = 38672 (HTTP_STREAM_JOB)
t=2134 [st= 2]        HTTP_STREAM_REQUEST_BOUND_TO_JOB
                      --> source_dependency = 38672 (HTTP_STREAM_JOB)
t=2134 [st= 2]     -HTTP_STREAM_REQUEST
t=2134 [st= 2]     +HTTP_TRANSACTION_SEND_REQUEST  [dt=0]
t=2134 [st= 2]        HTTP_TRANSACTION_HTTP2_SEND_REQUEST_HEADERS
                      --> :authority: js.arcgis.com
                          :method: GET
                          :path: /3.20/dojox/gfx/filters.js
                          :scheme: https
                          accept: */*
                          accept-encoding: gzip, deflate, sdch, br
                          accept-language: en-US,en;q=0.8
                          cache-control: no-cache
                          cookie: [221 bytes were stripped]
                          pragma: no-cache
                          referer: https://null.jsbin.com/runner
                          user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
t=2134 [st= 2]     -HTTP_TRANSACTION_SEND_REQUEST
t=2134 [st= 2]     +HTTP_TRANSACTION_READ_HEADERS  [dt=37]
t=2171 [st=39]        HTTP2_STREAM_ERROR
                      --> description = "ABANDONED (stream_id=2001): https://js.arcgis.com/3.20/dojox/gfx/filters.js"
                      --> status = -3
                      --> stream_id = 2001
t=2171 [st=39]     -HTTP_TRANSACTION_READ_HEADERS
                    --> net_error = -3 (ERR_ABORTED)
t=2171 [st=39]   -URL_REQUEST_START_JOB
                  --> net_error = -3 (ERR_ABORTED)
t=2171 [st=39]    URL_REQUEST_DELEGATE  [dt=0]
t=2171 [st=39] -REQUEST_ALIVE
                --> net_error = -3 (ERR_ABORTED)