$ /usr/bin/sbt ++$SCALA_VERSION "$TEST_SUITE"
Downloading sbt launcher for 0.13.11:
From http://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/0.13.11/sbt-launch.jar
To /root/.sbt/launchers/0.13.11/sbt-launch.jar
Please use CMSClassUnloadingEnabled in place of CMSPermGenSweepingEnabled in the future
Getting org.scala-sbt sbt 0.13.11 ...
[91mupdate-alternatives: error: no alternatives for mozilla-javaplugin.so
[0m[91mupdate-java-alternatives: plugin alternative does not exist: /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/IcedTeaPlugin.so
[0m ---> a8f11d762c94
Removing intermediate container 86a3ab86ab5b
Step 11 : ADD https://raw.githubusercontent.com/fommil/dotfiles/master/bin/sbt /usb/bin/sbt
---> 1b0df00cb029
Removing intermediate container 607474719dca
Step 12 : RUN chmod a+x /usr/bin/sbt
---> Running in b8366ce0f2fd
[91mchmod: cannot access '/usr/bin/sbt': No such file or directory
[0mRemoving intermediate container b8366ce0f2fd
The command '/bin/sh -c chmod a+x /usr/bin/sbt' returned a non-zero code: 1