Missing sbt-launch.jar when attempting to build with freshly-built tc-sbt-runner

[ricky-wong]

I can't use the sbt-runner plugin (version 37459) included in TeamCity 9.1.6 (build 37459) because of #9. However, this has already been committed as 0b4ce0f.

I built the plugin and installed it, which seems to fix the "Unable to locate an executable at "/Users/username/Library/TeamCity/buildAgent/temp/agentTmp/agent-sbt/bin/javac" (-1)" issue, but instead, I get "java.io.FileNotFoundException: /Users/username/Library/TeamCity/buildAgent/temp/agentTmp/agent-sbt/bin/sbt-launch.jar (No such file or directory)".

Am I building the plugin incorrectly?
How can I build the plugin so that sbt-launch.jar is in that temp bin directory at build time?

Or perhaps someone can make a new build of this plugin? (if I'm doing it wrong)
https://confluence.jetbrains.com/display/TW/SBT+Runner+Plugin under "development links" includes a build from October 2015, but doesn't seem to include this change from September 2015, because I run into the same issue.