Docker context detected with /.dockerenv
Changing current directory to /var/tmp/
Here is imapsync 1.882 on host mx02.avatech.cz, a linux system with 4.6/7.8 free GiB of RAM
with Perl 5.24.1 and Mail::IMAPClient 3.40
Transfer started at Thu Mar  7 08:38:02 2019
PID is 15717
Load is 0.04 0.06 0.01 2/671 on 4 cores
Current directory is /var/tmp
Real user id is root (uid 0)
Effective user id is root (euid 0)
$RCSfile: imapsync,v $ $Revision: 1.882 $ $Date: 2018/05/05 21:10:43 $
Command line used:
/usr/local/bin/imapsync --tmpdir /tmp --nofoldersizes --exclude (?i)spam|(?i)junk --subfolder2 Backup-Gmail --subscribeall --tls1 --host1 imap.gmail.com --user1 petr.kallen@gmail.com --passfile1 /tmp/imapsync.jU_pV2u --port1 993 --host2 localhost --user2 petr.kallen@avatech-dev.cz*2kfqi7u26jtie8qr@mailcow.local --passfile2 /tmp/imapsync.IHL9fCz --no-modulesversion
Temp directory is /tmp ( to change it use --tmpdir dirpath )
kill -QUIT 15717 # special behavior
kill -TERM 15717 # special behavior
kill -INT 15717 # special behavior
kill -USR1 15717 # special behavior
PID file is  ( to change it use --pidfile filepath ; to avoid it use --pidfile "" )
Could not open  for writing. Check permissions or disk space.
Info: will resync flags for already transferred messages. Use --noresyncflags to not resync flags.
Host2: probing ssl on port 993 ( use --nosslcheck to avoid this ssl probe )
Host2: sslcheck detected open ssl port 993 so turning ssl on (use --nossl2 --notls2 to turn off SSL and TLS wizardry)
SSL debug mode level is --debugssl 1 (can be set from 0 meaning no debug to 4 meaning max debug)
Host2: SSL default mode is like --sslargs2 "SSL_verify_mode=0", meaning for host2 SSL_VERIFY_NONE, ie, do not check the certificate server.
Host2: Use --sslargs2 SSL_verify_mode=1 to have SSL_VERIFY_PEER, ie, check the certificate server of host2
Info: turned ON syncinternaldates, will set the internal dates (arrival dates) on host2 same as host1.
Host1: will try to use LOGIN authentication on host1
Host2: will try to use LOGIN authentication on host2
Host1: imap connection timeout is 120 seconds
Host2: imap connection timeout is 120 seconds
Host1: IMAP server [imap.gmail.com] port [993] user [petr.kallen@gmail.com]
Host2: IMAP server [localhost] port [993] user [petr.kallen@avatech-dev.cz*2kfqi7u26jtie8qr@mailcow.local]
Host1: connecting and login on host1 [imap.gmail.com] port [993] with user [petr.kallen@gmail.com]
Host1 failure: can not open imap connection on host1 [imap.gmail.com] with user [petr.kallen@gmail.com]: socket closed while reading data from server