.
Thread 1 (LWP 5244):
#0  0x00007f09dfc0af79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 5244
        selftid = 5244
#1  0x00007f09dfc0e388 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fff73c48285, sa_sigaction = 0x7fff73c48285}, sa_mask = {__val = {139680386718118, 139680393982760, 1315, 4294967295, 139680385357715, 4294967296, 140735135638128, 4294967295, 140735135638048, 140735135649152, 0, 0, 0, 21474836480, 139680410161152, 139680386733240}}, sa_flags = -532417200, sa_restorer = 0x7f09e043fa90 <__PRETTY_FUNCTION__.7044>}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f09dfc03e36 in __assert_fail_base (fmt=0x7f09dfd554b8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7f09e043f550 "svn_uri_is_canonical(uri, ((void *)0))", file=file@entry=0x7f09e043f328 "/build/buildd/subversion-1.8.8/subversion/libsvn_subr/dirent_uri.c", line=line@entry=1315, function=function@entry=0x7f09e043fa90 <__PRETTY_FUNCTION__.7044> "svn_uri_basename") at assert.c:92
        str = 0x1cdf230 "\270\067\371\337\t\177"
        total = 4096
#3  0x00007f09dfc03ee2 in __GI___assert_fail (assertion=assertion@entry=0x7f09e043f550 "svn_uri_is_canonical(uri, ((void *)0))", file=file@entry=0x7f09e043f328 "/build/buildd/subversion-1.8.8/subversion/libsvn_subr/dirent_uri.c", line=line@entry=1315, function=function@entry=0x7f09e043fa90 <__PRETTY_FUNCTION__.7044> "svn_uri_basename") at assert.c:101
No locals.
#4  0x00007f09e0410024 in svn_uri_basename (uri=0x7f09e1328760 "svn://maxe:backupsystem", pool=pool@entry=0x7f09e13b2028) at /build/buildd/subversion-1.8.8/subversion/libsvn_subr/dirent_uri.c:1315
        len = 23
        start = <optimized out>
        __PRETTY_FUNCTION__ = "svn_uri_basename"
#5  0x0000000000407f96 in svn_cl__checkout (os=<optimized out>, baton=<optimized out>, pool=0x7f09e13b2028) at /build/buildd/subversion-1.8.8/subversion/svn/checkout-cmd.c:96
        pegrev = {kind = svn_opt_revision_unspecified, value = {number = 139680410181792, date = 139680410181792}}
        opt_state = 0x7fff73c465f0
        ctx = 0x7f09e13b3450
        subpool = <optimized out>
        targets = 0x7f09e1328640
        last_target = 0x7f09e1328760 "svn://maxe:backupsystem"
        local_dir = 0x7f09e1328760 "svn://maxe:backupsystem"
        i = <optimized out>
#6  0x000000000041b424 in sub_main (argc=argc@entry=3, argv=argv@entry=0x7fff73c468f8, pool=pool@entry=0x7f09e13b2028) at /build/buildd/subversion-1.8.8/subversion/svn/svn.c:2878
        err = <optimized out>
        opt_id = 31
        os = 0x7f09e13b2520
        opt_state = {revision_ranges = 0x7f09e13b24f8, start_revision = {kind = svn_opt_revision_unspecified, value = {number = 0, date = 0}}, end_revision = {kind = svn_opt_revision_unspecified, value = {number = 0, date = 0}}, used_change_arg = 0, used_revision_arg = 0, limit = 0, depth = svn_depth_unknown, no_unlock = 0, message = 0x0, force = 0, force_log = 0, incremental = 0, quiet = 0, non_interactive = 0, version = 0, verbose = 0, update = 0, strict = 0, filedata = 0x0, encoding = 0x0, help = 0, auth_username = 0x0, auth_password = 0x0, extensions = 0x0, targets = 0x0, xml = 0, no_ignore = 0, no_auth_cache = 0, diff = {diff_cmd = 0x0, internal_diff = 0, no_diff_added = 0, no_diff_deleted = 0, show_copies_as_adds = 0, notice_ancestry = 0, summarize = 0, use_git_diff_format = 0, ignore_properties = 0, properties_only = 0, patch_compatible = 0}, ignore_ancestry = 0, ignore_externals = 0, stop_on_copy = 0, dry_run = 0, revprop = 0, merge_cmd = 0x0, editor_cmd = 0x0, record_only = 0, old_target = 0x0, new_target = 0x0, relocate = 0, config_dir = 0x0, config_options = 0x0, autoprops = 0, no_autoprops = 0, native_eol = 0x0, remove = 0, changelists = 0x7f09e13b2588, changelist = 0x0, keep_changelists = 0, keep_local = 0, all_revprops = 0, no_revprops = 0, revprop_table = 0x0, parents = 0, use_merge_history = 0, accept_which = svn_cl__accept_unspecified, show_revs = svn_cl__show_revs_invalid, set_depth = svn_depth_unknown, reintegrate = 0, trust_server_cert = 0, strip = 0, ignore_keywords = 0, reverse_diff = 0, ignore_whitespace = 0, show_diff = 0, allow_mixed_rev = 0, include_externals = 0, show_inherited_props = 0, search_patterns = 0x0}
        ctx = 0x7f09e13b3450
        received_opts = <optimized out>
        i = <optimized out>
        subcommand = 0x6375e0 <svn_cl__cmd_table+4192>
        dash_m_arg = 0x0
        dash_F_arg = 0x0
        command_baton = {opt_state = 0x7fff73c465f0, ctx = 0x7f09e13b3450}
        ab = 0x7f09e13b3ec8
        cfg_config = 0x7f09e13b3100
        descend = 1
        interactive_conflicts = 1
        force_interactive = 0
        conflict_stats = 0x7f09e13b20a0
        use_notifier = <optimized out>
        reading_file_from_stdin = 0
        changelists = <optimized out>
        cfg_hash = 0x7f09e13b2c38
#7  0x0000000000406a77 in main (argc=3, argv=0x7fff73c468f8) at /build/buildd/subversion-1.8.8/subversion/svn/svn.c:2973
        pool = 0x7f09e13b2028
        exit_code = <optimized out>