Uncaught TypeError: Cannot read property 'onDidDestroy' of undefined

[Enter steps to reproduce below:]
1. ...
2. ...

**Atom Version**: 1.5.3
**System**: Mac OS X 10.10.5
**Thrown From**: [minimap-pigments](https://github.com/abe33/minimap-pigments) package, v0.1.7
### Stack Trace

Uncaught TypeError: Cannot read property 'onDidDestroy' of undefined

```
At /Users/kienphan/.atom/packages/minimap-pigments/lib/minimap-pigments-binding.coffee:31

TypeError: Cannot read property 'onDidDestroy' of undefined
at MinimapPigmentsBinding.module.exports.MinimapPigmentsBinding.updateMarkers (/Users/kienphan/.atom/packages/minimap-pigments/lib/minimap-pigments-binding.coffee:31:50)
at /Users/kienphan/.atom/packages/minimap-pigments/lib/minimap-pigments-binding.coffee:15:8
at Function.module.exports.Emitter.simpleDispatch (/Users/kienphan/Downloads/Atom.app/Contents/Resources/app.asar/node_modules/event-kit/lib/emitter.js:25:14)
at Emitter.module.exports.Emitter.emit (/Users/kienphan/Downloads/Atom.app/Contents/Resources/app.asar/node_modules/event-kit/lib/emitter.js:125:28)
at TokenizedBuffer.module.exports.TokenizedBuffer.markTokenizationComplete (/Users/kienphan/Downloads/Atom.app/Contents/Resources/app.asar/src/tokenized-buffer.js:345:22)
at TokenizedBuffer.module.exports.TokenizedBuffer.tokenizeNextChunk (/Users/kienphan/Downloads/Atom.app/Contents/Resources/app.asar/src/tokenized-buffer.js:339:21)
at /Users/kienphan/Downloads/Atom.app/Contents/Resources/app.asar/src/tokenized-buffer.js:288:26
at /Users/kienphan/Downloads/Atom.app/Contents/Resources/app.asar/node_modules/underscore-plus/node_modules/underscore/underscore.js:666:47
```
### Commands

```
-9:37.6.0 core:save (atom-text-editor.editor.is-focused)
-9:28.7.0 core:paste (atom-text-editor.editor.is-focused)
2x -9:28 core:save (atom-text-editor.editor.is-focused)
-9:20.1.0 core:backspace (atom-text-editor.editor.is-focused)
2x -9:19.1.0 core:save (atom-text-editor.editor.is-focused)
-6:34.6.0 find-and-replace:show (atom-text-editor.editor.is-focused)
3x -6:31.8.0 core:confirm (atom-text-editor.editor.mini.is-focused)
-6:26.9.0 project-find:show (atom-text-editor.editor.mini.is-focused)
-6:20.5.0 core:confirm (atom-text-editor.editor.mini.is-focused)
-3:04.1.0 project-find:show (atom-text-editor.editor.is-focused)
-2:59.6.0 core:confirm (atom-text-editor.editor.mini.is-focused)
-1:29.5.0 core:copy (atom-text-editor.editor.is-focused)
-1:20.8.0 editor:toggle-line-comments (atom-text-editor.editor.is-focused)
-1:20.3.0 core:save (atom-text-editor.editor.is-focused)
-1:17.6.0 editor:toggle-line-comments (atom-text-editor.editor.is-focused)
4x -1:17 core:save (atom-text-editor.editor.is-focused)
```
### Config

``` json
{
"core": {
"themes": [
"atom-material-ui",
"one-dark-syntax"
]
}
}
```
### Installed Packages

``` coffee
# User
atom-material-ui, v0.6.2
minimap, v4.16.0
minimap-git-diff, v4.1.8
minimap-highlight-selected, v4.3.1
minimap-pigments, v0.1.7
pigments, v0.24.1
pretty-json, v0.4.1
project-manager, v2.6.5
symbols-tree-view, v0.11.0
terminal-plus, v0.14.5

# Dev
No dev packages
```