Function.extractParams is deprecated.

[floscr]

Assigning custom properties to a marker when creating/copying it is
deprecated. Please, consider storing the custom properties you need in
some other object in your package, keyed by the marker's id property.

Function.extractParams (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/text-buffer/lib/marker.js:43:14)
MarkerLayer.markRange (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/text-buffer/lib/marker-layer.js:215:71)
DisplayMarkerLayer.markBufferRange (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/text-buffer/lib/display-marker-layer.js:105:52)
TextEditor.markBufferRange (/Applications/Atom.app/Contents/Resources/app.asar/src/text-editor.js:1776:38)
<unknown> (/Users/flo_home/.atom/packages/linter-elm-make/lib/linter-elm-make.js:320:27)
Array.forEach (native)