pipeline {
   agent {
     label "john-windows"
   }
   stages {
     stage('gobbledygook - will pass') {
       steps{
         // powershell script: 'gobbledygook'
         powershell script: 'date'
       }
     }
     stage('gobbledygook - will fail') {
       steps{
         powershell returnStdout: true, script: 'gobbledygook'
       }
     }
   }
 }

 14:05:18 [Pipeline] Start of Pipeline
 14:05:19 [Pipeline] node
 14:05:34 Still waiting to schedule task
 14:05:34 ‘john-windows’ is offline
 14:05:51 Running on john-windows in c:\jenkins\workspace\test-powershell-stdout
 14:05:51 [Pipeline] {
 14:05:51 [Pipeline] stage
 14:05:51 [Pipeline] { (gobbledygook - will pass)
 14:05:51 [Pipeline] powershell
 14:05:57 
 14:05:57 Wednesday, January 12, 2022 2:05:57 PM
 14:05:58 [Pipeline] }
 14:05:58 [Pipeline] // stage
 14:05:58 [Pipeline] stage
 14:05:58 [Pipeline] { (gobbledygook - will fail)
 14:05:58 [Pipeline] powershell
 14:06:03 Exception calling "WriteAllLines" with "2" argument(s): "Value cannot be null.
 14:06:03 Parameter name: contents"
 14:06:03 At line:1 char:456
 14:06:03 + ... utput.txt"; [IO.File]::WriteAllLines("c:\jenkins\workspace\test-power ...
 14:06:03 + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 14:06:03 + CategoryInfo : NotSpecified: ( [], MethodInvocationException
 14:06:03 + FullyQualifiedErrorId : ArgumentNullException
 14:06:03
 14:06:03 gobbledygook : The term 'gobbledygook' is not recognized as the name of a cmdlet, function, script file, or operable
 14:06:03 program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
 14:06:03 At C:\jenkins\workspace\test-powershell-stdout@tmp\durable-58ebe341\powershellScript.ps1:1 char:1
 14:06:03 + gobbledygook
 14:06:03 + ~~~~~~~~~~~~
 14:06:03 + CategoryInfo : ObjectNotFound: (gobbledygook:String) [], ParentContainsErrorRecordException
 14:06:03 + FullyQualifiedErrorId : CommandNotFoundException
 14:06:03
 14:06:03 14:06:03.275691 common.go:40: exit status 1
 14:06:04 Cannot contact john-windows: java.io.FileNotFoundException: c:\jenkins\workspace\test-powershell-stdout@tmp\durable-58ebe341\output.txt (The system cannot find the file specified)
 14:07:32 Aborted by Lengeling John M
 14:07:32 Sending interrupt signal to process
 14:07:47 Click here to forcibly terminate running steps
 14:07:52 After 20s process did not stop
 14:07:52 [Pipeline] }
 14:07:52 [Pipeline] // stage
 14:07:52 [Pipeline] }
 14:07:52 [Pipeline] // node
 14:07:52 [Pipeline] End of Pipeline
 14:07:52 Finished: ABORTED