hm: ``` Previewing update of stack 'ptest-dev' Pre...
# golang
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Previewing update of stack 'ptest-dev'
Previewing changes:

     Type                 Name             Plan       Info
 +   pulumi:pulumi:Stack  ptest-ptest-dev  create     1 error, 2 info messages
 +   └─ aws:ec2:Instance  test             create

  pulumi:pulumi:Stack: ptest-ptest-dev
    info: error: program failed: 1 error occurred:
        * attempted illegal RPC after program completion

  pulumi:pulumi:Stack: ptest-ptest-dev
    info: map[inst:0xc00000e898]

  pulumi:pulumi:Stack: ptest-ptest-dev
    error: an unhandled error occurred: program exited with non-zero exit code: 1

error: an error occurred while advancing the preview