docker.image('maven:3.3.3-jdk-8').inside {
  git url: "https://github.com/oleg-nenashev/ircbot.git"
  sh 'echo hello'
  //Same thing with mvn -B clean install'
}

Started by user anonymous
Running: Allocate node : Start
Running on master in /Users/nenashev/Documents/cloudbees/demo/docker-traceability/work/jobs/test-example-1/workspace
Running: Allocate node : Body : Start
Running: Shell Script
[workspace] Running shell script
+ docker inspect -f . maven:3.3.3-jdk-8
.
Running: Run build steps inside a Docker container : Start
$ docker run -t -d -u 502:20 -w /Users/nenashev/Documents/cloudbees/demo/docker-traceability/work/jobs/test-example-1/workspace -v /Users/nenashev/Documents/cloudbees/demo/docker-traceability/work/jobs/test-example-1/workspace:/Users/nenashev/Documents/cloudbees/demo/docker-traceability/work/jobs/test-example-1/workspace:rw -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** maven:3.3.3-jdk-8 cat
Running: Run build steps inside a Docker container : Body : Start
Running: Git
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://github.com/oleg-nenashev/ircbot.git # timeout=10
Fetching upstream changes from https://github.com/oleg-nenashev/ircbot.git
 > git --version # timeout=10
 > git -c core.askpass=true fetch --tags --progress https://github.com/oleg-nenashev/ircbot.git +refs/heads/*:refs/remotes/origin/*
 > git rev-parse refs/remotes/origin/master^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10
Checking out Revision eaa8c349f12288276e5c27fcef78c245bb41517a (refs/remotes/origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f eaa8c349f12288276e5c27fcef78c245bb41517a
 > git rev-list eaa8c349f12288276e5c27fcef78c245bb41517a # timeout=10
Running: Shell Script
[workspace] Running shell script
<<< hangs here