I could get more detailed output:
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[13,31] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[24,48] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[19,31] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[25,48] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheet.java:[3,52] com.google.api.client.googleapis.auth.oauth2.GoogleCredential in com.google.api.client.googleapis.auth.oauth2 has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[64,19] getDialogClassName() in org.pentaho.di.trans.step.StepMetaInterface has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[40,13] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[54,9] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[54,40] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[58,27] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[64,19] getDialogClassName() in org.pentaho.di.trans.step.BaseStepMeta has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[69,27] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[104,12] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[108,32] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[134,18] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[137,65] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[144,70] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[169,38] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[174,40] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[181,44] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[202,38] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[205,40] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[212,44] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[228,17] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[231,84] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[238,89] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetInputMeta.java:[251,18] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetOutputMeta.java:[49,19] getDialogClassName() in org.pentaho.di.trans.step.StepMetaInterface has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/trans/steps/googlespreadsheet/GoogleSpreadsheetOutputMeta.java:[49,19] getDialogClassName() in org.pentaho.di.trans.step.BaseStepMeta has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[316,71] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[323,76] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[330,28] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[593,13] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[598,35] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[624,44] org.pentaho.di.trans.steps.textfileinput.TextFileInputField in org.pentaho.di.trans.steps.textfileinput has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[628,46] org.pentaho.di.core.row.ValueMeta in org.pentaho.di.core.row has been deprecated
[WARNING] /Users/sl/pdi-google-spreadsheet-plugin/src/main/java/org/ccci/gto/pdi/ui/trans/steps/googlespreadsheet/GoogleSpreadsheetInputDialog.java:[635,50]
...