panic: Get https://developer.salesforce.com/media/salesforce-cli/sfdx-cli/channels/stable/windows-x86:

goroutine 1 [running]:
panic(0x63d860, 0x11964b20)
        /usr/local/go/src/runtime/panic.go:500 +0x331
main.must(0x74af80, 0x11964b20)
        /home/ubuntu/.go_workspace/src/github.com/heroku/cli/io.go:115 +0x44
main.GetUpdateManifest(0x6637d6, 0x7, 0x662b64, 0x3, 0x74af80)
        /home/ubuntu/.go_workspace/src/github.com/heroku/cli/install.go:104 +0x264
main.GetUpdateManifest(0x6637d6, 0x7, 0x662b64, 0x3, 0x1)
        /home/ubuntu/.go_workspace/src/github.com/heroku/cli/install.go:102 +0x246
main.Install()
        /home/ubuntu/.go_workspace/src/github.com/heroku/cli/install.go:33 +0x174
main.main()
        /home/ubuntu/.go_workspace/src/github.com/heroku/cli/main.go:18 +0x2a