[LabBuildApp] Building in /home/tomoyan/pyJupyterLab/share/jupyter/lab
[LabBuildApp] Node v16.5.0

[LabBuildApp] Yarn configuration loaded.
[LabBuildApp] Building jupyterlab assets (production, minimized)
[LabBuildApp] > node /home/tomoyan/pyJupyterLab/lib64/python3.9/site-packages/jupyterlab/staging/yarn.js install --non-interactive
[LabBuildApp] yarn install v1.21.1
[1/5] Validating package.json...
[2/5] Resolving packages...
success Already up-to-date.
Done in 0.64s.

[LabBuildApp] > node /home/tomoyan/pyJupyterLab/lib64/python3.9/site-packages/jupyterlab/staging/yarn.js yarn-deduplicate -s fewer --fail
[LabBuildApp] yarn run v1.21.1
$ /home/tomoyan/pyJupyterLab/share/jupyter/lab/staging/node_modules/.bin/yarn-deduplicate -s fewer --fail
Done in 0.35s.

[LabBuildApp] > node /home/tomoyan/pyJupyterLab/lib64/python3.9/site-packages/jupyterlab/staging/yarn.js run build:prod:minimize