INFO:bench.utils:updating bench
INFO:bench.utils:git pull
Already up-to-date.
INFO:bench.utils:./env/bin/pip install Pillow
Requirement already satisfied: Pillow in ./env/lib/python3.5/site-packages (6.2.1)
Backing up sites...
INFO:bench.app:pulling frappe
INFO:bench.utils:git fetch --all
Fetching upstream
INFO:bench.utils:git reset --hard upstream/version-12
HEAD is now at ada803c Merge branch 'develop' of https://github.com/frappe/frappe into version-12
INFO:bench.utils:find . -name "*.pyc" -delete
INFO:bench.app:pulling erpnext
INFO:bench.utils:git fetch --all
Fetching upstream
INFO:bench.utils:git reset --hard upstream/version-12
HEAD is now at 782f45a Merge branch 'v12-pre-release' into version-12
INFO:bench.utils:find . -name "*.pyc" -delete
Updating Python libraries...
INFO:bench.utils:./env/bin/pip install -q -U pip
INFO:bench.utils:/usr/local/bin/pip3 install --user -q -U -r /home/frappe/.bench/requirements.txt
INFO:bench.app:installing frappe
INFO:bench.utils:./env/bin/pip install -q -U -e ./apps/frappe
INFO:bench.app:installing erpnext
INFO:bench.utils:./env/bin/pip install -q -U -e ./apps/erpnext
Updating node packages...
INFO:bench.utils:yarn install
**yarn install v1.21.1**
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...
Done in 53.64s.
INFO:bench.utils:yarn install
**yarn install v1.21.1**
[1/4] Resolving packages...
success Already up-to-date.
Done in 0.76s.
Patching sites...
Migrating site2.local
Updating DocTypes for frappe : [========================================]
Generating Website Theme Files...
Compiling Python Files...
INFO:bench.utils:bench build
**yarn run v1.21.1**
$ FRAPPE_ENV=production node rollup/build.js
Production mode
✔ Built js/moment-bundle.min.js
✔ Built js/libs.min.js
Building frappe assets...
✔ Built js/modules.min.js
✔ Built js/checkout.min.js
✔ Built js/dialog.min.js
✔ Built js/social.min.js
✔ Built css/frappe-rtl.css
✔ Built css/printview.css
✔ Built js/web_form.min.js
✔ Built js/list.min.js
✔ Built js/chat.js
✔ Built css/module.min.css
✔ Built css/report.min.css
✔ Built css/form.min.css
✔ Built css/list.min.css
✔ Built frappe/css/email.css
✔ Built css/frappe-chat-web.css
✔ Built js/desk.min.js
✔ Built css/web_form.css
✔ Built css/desk.min.css
During asset building, the CPU being unreachable.