Error on both alpine branches

Can't get ruTorrent to work on alpine versions, here is what I get in ruTorrent:

[18.07.2017 13:43:16] WebUI started.
[18.07.2017 13:43:17] Bad response from server: (0 [error,getplugins])

From supervisor:

2017-07-18 12:44:58,437 CRIT Supervisor running as root (no user in config file)
2017-07-18 12:44:58,437 WARN Included extra file "/etc/supervisor.d/supervisord.ini" during parsing
2017-07-18 12:44:58,453 INFO RPC interface 'supervisor' initialized
2017-07-18 12:44:58,453 CRIT Server 'unix_http_server' running without any HTTP authentication checking
2017-07-18 12:44:58,454 INFO supervisord started with pid 1
2017-07-18 12:44:59,456 INFO spawned: 'nginx' with pid 9
2017-07-18 12:44:59,458 INFO spawned: 'rtorrent' with pid 10
2017-07-18 12:44:59,460 INFO spawned: 'php5-fpm' with pid 11
2017-07-18 12:45:00,503 INFO success: nginx entered RUNNING state, process has stayed up for > than 1 seconds (startsecs)
2017-07-18 12:45:00,503 INFO success: rtorrent entered RUNNING state, process has stayed up for > than 1 seconds (startsecs)
2017-07-18 12:45:00,503 INFO success: php5-fpm entered RUNNING state, process has stayed up for > than 1 seconds (startsecs)
2017-07-18 12:45:31,083 INFO reaped unknown pid 91
2017-07-18 12:45:46,078 INFO reaped unknown pid 93
2017-07-18 12:46:01,084 INFO reaped unknown pid 95
2017-07-18 12:46:16,085 INFO reaped unknown pid 97

In /var/log/nginx/error.log:

2017/07/18 12:56:39 [crit] 31#0: *1 open() "/var/lib/nginx/tmp/fastcgi/1/00/0000000001" failed (13: Permission denied) while reading upstream, client: ***, server: localhost, request: "GET /php/getplugins.php HTTP/1.1", upstream: "fastcgi://unix:/var/run/php/php7.0-fpm.sock:", host: "***:8080", referrer: "http://***:8080/"

diameter / rtorrent-rutorrent

Error on both alpine branches #41