arduino --install-boards esp8266:esp8266
Picked up JAVA_TOOL_OPTIONS: 
Loading configuration...
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java.lang.NullPointerException
	at java.util.Collections.sort(Collections.java:175)
	at processing.app.Base.<init>(Base.java:310)
	at processing.app.Base.main(Base.java:144)
make: *** [deps] Error 255