ended_at: 2020-08-30 19:17:42.829338
error: "Migration 0017_postgresql_9p6_to_11 did not complete, aborting. Error: Failed\
  \ to run command 'pg_upgradecluster -m upgrade 9.6 main'.\nreturncode: 1\nstdout:\n\
  Disabling connections to the old cluster during upgrade...\nRestarting old cluster\
  \ with restricted connections...\nStopping old cluster...\n\nstderr:\nperl: warning:\
  \ Setting locale failed.\nperl: warning: Please check that your locale settings:\n\
  \tLANGUAGE = (unset),\n\tLC_ALL = (unset),\n\tLANG = \"fr_FR.UTF-8\"\n    are supported\
  \ and installed on your system.\nperl: warning: Falling back to the standard locale\
  \ (\"C\").\nError: The locale requested by the environment is invalid:\n  LANG:\
  \ fr_FR.UTF-8\nError: Could not create target cluster\n\n"
operation: tools_migrations_migrate_forward
started_at: 2020-08-30 19:17:38.117884
success: false
yunohost_version: 4.0.4

============

2020-08-30 21:17:38,128: INFO - Running migration 0017_postgresql_9p6_to_11...
2020-08-30 21:17:38,129: DEBUG - Running command: dpkg --list | grep '^ii ' | grep -q -w postgresql-9.6
2020-08-30 21:17:38,159: DEBUG - Running command: dpkg --list | grep '^ii ' | grep -q -w postgresql-11
2020-08-30 21:17:38,187: DEBUG - Running command: pg_lsclusters | grep -q '^9.6 '
2020-08-30 21:17:38,256: DEBUG - Running command: systemctl stop postgresql
2020-08-30 21:17:38,272: DEBUG - Running command: pg_dropcluster --stop 11 main || true
2020-08-30 21:17:38,329: DEBUG - Running command: pg_upgradecluster -m upgrade 9.6 main
2020-08-30 21:17:42,828: ERROR - Migration 0017_postgresql_9p6_to_11 did not complete, aborting. Error: Failed to run command 'pg_upgradecluster -m upgrade 9.6 main'.
returncode: 1
stdout:
Disabling connections to the old cluster during upgrade...
Restarting old cluster with restricted connections...
Stopping old cluster...

stderr:
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
	LANGUAGE = (unset),
	LC_ALL = (unset),
	LANG = "fr_FR.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Error: The locale requested by the environment is invalid:
  LANG: fr_FR.UTF-8
Error: Could not create target cluster

Traceback (most recent call last):
  File "/usr/lib/moulinette/yunohost/tools.py", line 899, in tools_migrations_migrate
    migration.run()
  File "/usr/lib/moulinette/yunohost/data_migrations/0017_postgresql_9p6_to_11.py", line 40, in run
    self.runcmd("pg_upgradecluster -m upgrade 9.6 main")
  File "/usr/lib/moulinette/yunohost/data_migrations/0017_postgresql_9p6_to_11.py", line 62, in runcmd
    raise YunohostError("Failed to run command '{}'.\nreturncode: {}\nstdout:\n{}\nstderr:\n{}\n".format(cmd, returncode, out, err))
YunohostError: Failed to run command 'pg_upgradecluster -m upgrade 9.6 main'.
returncode: 1
stdout:
Disabling connections to the old cluster during upgrade...
Restarting old cluster with restricted connections...
Stopping old cluster...

stderr:
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
	LANGUAGE = (unset),
	LC_ALL = (unset),
	LANG = "fr_FR.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Error: The locale requested by the environment is invalid:
  LANG: fr_FR.UTF-8
Error: Could not create target cluster