debug output for clap failing short args

test.rs.out

cargo run --features yaml,debug --example test start -- -g -i -s -b                                                                                                                            (master|✚1…)
   Compiling clap v2.26.0 (file:///Users/tylerthrailkill/Documents/dev/code/clap-rs)
warning: unused macro definition
   --> src/macros.rs:783:5
    |
783 | /     macro_rules! sdebug {
784 | |         ($fmt:expr) => (print!($fmt));
785 | |         ($fmt:expr, $($arg:tt)*) => (print!($fmt, $($arg)*));
786 | |     }
    | |_____^
    |
    = note: #[warn(unused_macros)] on by default

warning: unused variable: `matches`
  --> examples/test.rs:12:25
   |
12 |         ("subcmd", Some(matches)) => println!("did it"),
   |                         ^^^^^^^
   |
   = note: #[warn(unused_variables)] on by default
   = note: to disable this warning, consider using `_matches` instead

    Finished dev [unoptimized + debuginfo] target(s) in 20.53 secs
     Running `target/debug/examples/test start -g -i -s -b`
DEBUG:clap:Parser::add_subcommand: term_w=None, name=start
DEBUG:clap:Parser::propogate_settings: self=Example showing failure, g_settings=AppFlags(
    NEEDS_LONG_HELP | NEEDS_LONG_VERSION | NEEDS_SC_HELP | UTF8_NONE | COLOR_AUTO
)
DEBUG:clap:Parser::propogate_settings: sc=start, settings=AppFlags(
    NEEDS_LONG_HELP | NEEDS_LONG_VERSION | NEEDS_SC_HELP | UTF8_NONE | COLOR_AUTO
), g_settings=AppFlags(
    NEEDS_LONG_HELP | NEEDS_LONG_VERSION | NEEDS_SC_HELP | UTF8_NONE | COLOR_AUTO
)
DEBUG:clap:Parser::propogate_settings: self=start, g_settings=AppFlags(
    NEEDS_LONG_HELP | NEEDS_LONG_VERSION | NEEDS_SC_HELP | UTF8_NONE | COLOR_AUTO
)
DEBUG:clap:Parser::get_matches_with;
DEBUG:clap:Parser::create_help_and_version;
DEBUG:clap:Parser::create_help_and_version: Building --help
DEBUG:clap:Parser::create_help_and_version: Building --version
DEBUG:clap:Parser::create_help_and_version: Building help
DEBUG:clap:Parser::get_matches_with: Begin parsing '"start"' ([115, 116, 97, 114, 116])
DEBUG:clap:Parser::is_new_arg: arg="start", Needs Val of=NotFound
DEBUG:clap:Parser::is_new_arg: Arg::allow_leading_hyphen(false)
DEBUG:clap:Parser::is_new_arg: probably value
DEBUG:clap:Parser::is_new_arg: starts_new_arg=false
DEBUG:clap:Parser::possible_subcommand: arg="start"
DEBUG:clap:Parser::get_matches_with: possible_sc=true, sc=Some("start")
DEBUG:clap:Parser::parse_subcommand;
DEBUG:clap:usage::get_required_usage_from: reqs=[], extra=None
DEBUG:clap:usage::get_required_usage_from: after init desc_reqs=[]
DEBUG:clap:usage::get_required_usage_from: no more children
DEBUG:clap:usage::get_required_usage_from: final desc_reqs=[]
DEBUG:clap:usage::get_required_usage_from: args_in_groups=[]
DEBUG:clap:Parser::parse_subcommand: About to parse sc=start
DEBUG:clap:Parser::parse_subcommand: sc settings=AppFlags(
    NEEDS_LONG_HELP | NEEDS_LONG_VERSION | NEEDS_SC_HELP | UTF8_NONE | COLOR_AUTO
)
DEBUG:clap:Parser::get_matches_with;
DEBUG:clap:Parser::create_help_and_version;
DEBUG:clap:Parser::create_help_and_version: Building --help
DEBUG:clap:Parser::create_help_and_version: Building --version
DEBUG:clap:Parser::get_matches_with: Begin parsing '"-g"' ([45, 103])
DEBUG:clap:Parser::is_new_arg: arg="-g", Needs Val of=NotFound
DEBUG:clap:Parser::is_new_arg: Arg::allow_leading_hyphen(false)
DEBUG:clap:Parser::is_new_arg: - found
DEBUG:clap:Parser::is_new_arg: starts_new_arg=true
DEBUG:clap:Parser::possible_subcommand: arg="-g"
DEBUG:clap:Parser::get_matches_with: possible_sc=false, sc=None
DEBUG:clap:Parser::parse_short_arg: full_arg="-g"
DEBUG:clap:Parser::parse_short_arg:iter:g
DEBUG:clap:Parser::parse_short_arg:iter:g: Found valid opt
DEBUG:clap:Parser::parse_short_arg:iter:g: p[0]=[], p[1]=[]
DEBUG:clap:Parser::parse_opt; opt=flag2, val=None
DEBUG:clap:Parser::parse_opt; opt.settings=ArgFlags(EMPTY_VALS | TAKES_VAL | DELIM_NOT_SET)
DEBUG:clap:Parser::parse_opt; Checking for val...None
DEBUG:clap:ArgMatcher::inc_occurrence_of: arg=flag2
DEBUG:clap:ArgMatcher::inc_occurrence_of: first instance
DEBUG:clap:Parser::groups_for_arg: name=flag2
DEBUG:clap:Parser::groups_for_arg: No groups defined
DEBUG:clap:Parser::parse_opt: More arg vals required...
DEBUG:clap:arg_post_processing!;
DEBUG:clap:OptBuilder::fmt:flag2
DEBUG:clap:arg_post_processing!: Is '--flag2 <BRANCH>' in overrides...No
DEBUG:clap:OptBuilder::fmt:flag2
DEBUG:clap:arg_post_processing!: Does '--flag2 <BRANCH>' have overrides...No
DEBUG:clap:OptBuilder::fmt:flag2
DEBUG:clap:arg_post_processing!: Does '--flag2 <BRANCH>' have conflicts...No
DEBUG:clap:OptBuilder::fmt:flag2
DEBUG:clap:arg_post_processing!: Does '--flag2 <BRANCH>' have requirements...No
DEBUG:clap:_handle_group_reqs!;
DEBUG:clap:Parser:get_matches_with: After parse_short_arg Opt("flag2")
DEBUG:clap:Parser::get_matches_with: Begin parsing '"-i"' ([45, 105])
DEBUG:clap:Parser::is_new_arg: arg="-i", Needs Val of=Opt("flag2")
DEBUG:clap:Parser::is_new_arg: Arg::allow_leading_hyphen(false)
DEBUG:clap:Parser::is_new_arg: - found
DEBUG:clap:Parser::is_new_arg: starts_new_arg=true
DEBUG:clap:Parser::possible_subcommand: arg="-i"
DEBUG:clap:Parser::get_matches_with: possible_sc=false, sc=None
DEBUG:clap:Parser::parse_short_arg: full_arg="-i"
DEBUG:clap:Parser::parse_short_arg:iter:i
DEBUG:clap:Parser::parse_short_arg:iter:i: Found valid opt
DEBUG:clap:Parser::parse_short_arg:iter:i: p[0]=[], p[1]=[]
DEBUG:clap:Parser::parse_opt; opt=flag3, val=None
DEBUG:clap:Parser::parse_opt; opt.settings=ArgFlags(EMPTY_VALS | TAKES_VAL | DELIM_NOT_SET)
DEBUG:clap:Parser::parse_opt; Checking for val...None
DEBUG:clap:ArgMatcher::inc_occurrence_of: arg=flag3
DEBUG:clap:ArgMatcher::inc_occurrence_of: first instance
DEBUG:clap:Parser::groups_for_arg: name=flag3
DEBUG:clap:Parser::groups_for_arg: No groups defined
DEBUG:clap:Parser::parse_opt: More arg vals required...
DEBUG:clap:arg_post_processing!;
DEBUG:clap:OptBuilder::fmt:flag3
DEBUG:clap:arg_post_processing!: Is '--flag3 <BRANCH>' in overrides...No
DEBUG:clap:OptBuilder::fmt:flag3
DEBUG:clap:arg_post_processing!: Does '--flag3 <BRANCH>' have overrides...No
DEBUG:clap:OptBuilder::fmt:flag3
DEBUG:clap:arg_post_processing!: Does '--flag3 <BRANCH>' have conflicts...No
DEBUG:clap:OptBuilder::fmt:flag3
DEBUG:clap:arg_post_processing!: Does '--flag3 <BRANCH>' have requirements...No
DEBUG:clap:_handle_group_reqs!;
DEBUG:clap:Parser:get_matches_with: After parse_short_arg Opt("flag3")
DEBUG:clap:Parser::get_matches_with: Begin parsing '"-s"' ([45, 115])
DEBUG:clap:Parser::is_new_arg: arg="-s", Needs Val of=Opt("flag3")
DEBUG:clap:Parser::is_new_arg: Arg::allow_leading_hyphen(false)
DEBUG:clap:Parser::is_new_arg: - found
DEBUG:clap:Parser::is_new_arg: starts_new_arg=true
DEBUG:clap:Parser::possible_subcommand: arg="-s"
DEBUG:clap:Parser::get_matches_with: possible_sc=false, sc=None
DEBUG:clap:Parser::parse_short_arg: full_arg="-s"
DEBUG:clap:Parser::parse_short_arg:iter:s
DEBUG:clap:Parser::parse_short_arg:iter:s: Found valid opt
DEBUG:clap:Parser::parse_short_arg:iter:s: p[0]=[], p[1]=[]
DEBUG:clap:Parser::parse_opt; opt=flag1, val=None
DEBUG:clap:Parser::parse_opt; opt.settings=ArgFlags(EMPTY_VALS | TAKES_VAL | DELIM_NOT_SET)
DEBUG:clap:Parser::parse_opt; Checking for val...None
DEBUG:clap:ArgMatcher::inc_occurrence_of: arg=flag1
DEBUG:clap:ArgMatcher::inc_occurrence_of: first instance
DEBUG:clap:Parser::groups_for_arg: name=flag1
DEBUG:clap:Parser::groups_for_arg: No groups defined
DEBUG:clap:Parser::parse_opt: More arg vals required...
DEBUG:clap:arg_post_processing!;
DEBUG:clap:OptBuilder::fmt:flag1
DEBUG:clap:arg_post_processing!: Is '--flag1 <BRANCH>' in overrides...No
DEBUG:clap:OptBuilder::fmt:flag1
DEBUG:clap:arg_post_processing!: Does '--flag1 <BRANCH>' have overrides...No
DEBUG:clap:OptBuilder::fmt:flag1
DEBUG:clap:arg_post_processing!: Does '--flag1 <BRANCH>' have conflicts...No
DEBUG:clap:OptBuilder::fmt:flag1
DEBUG:clap:arg_post_processing!: Does '--flag1 <BRANCH>' have requirements...No
DEBUG:clap:_handle_group_reqs!;
DEBUG:clap:Parser:get_matches_with: After parse_short_arg Opt("flag1")
DEBUG:clap:Parser::get_matches_with: Begin parsing '"-b"' ([45, 98])
DEBUG:clap:Parser::is_new_arg: arg="-b", Needs Val of=Opt("flag1")
DEBUG:clap:Parser::is_new_arg: Arg::allow_leading_hyphen(false)
DEBUG:clap:Parser::is_new_arg: - found
DEBUG:clap:Parser::is_new_arg: starts_new_arg=true
DEBUG:clap:Parser::possible_subcommand: arg="-b"
DEBUG:clap:Parser::get_matches_with: possible_sc=false, sc=None
DEBUG:clap:Parser::parse_short_arg: full_arg="-b"
DEBUG:clap:Parser::parse_short_arg:iter:b
DEBUG:clap:usage::create_usage_with_title;
DEBUG:clap:usage::create_usage_no_title;
DEBUG:clap:usage::smart_usage;
DEBUG:clap:usage::get_required_usage_from: reqs=["flag3", "flag1", "flag2"], extra=None
DEBUG:clap:usage::get_required_usage_from: after init desc_reqs=[]
DEBUG:clap:usage::get_required_usage_from: no more children
DEBUG:clap:usage::get_required_usage_from: final desc_reqs=["flag1", "flag2", "flag3"]
DEBUG:clap:usage::get_required_usage_from: args_in_groups=[]
DEBUG:clap:usage::get_required_usage_from:iter:flag1:
DEBUG:clap:OptBuilder::fmt:flag1
DEBUG:clap:usage::get_required_usage_from:iter:flag2:
DEBUG:clap:OptBuilder::fmt:flag2
DEBUG:clap:usage::get_required_usage_from:iter:flag3:
DEBUG:clap:OptBuilder::fmt:flag3
DEBUG:clap:Parser::color;
DEBUG:clap:Parser::color: Color setting...Auto
DEBUG:clap:is_a_tty: stderr=true
DEBUG:clap:Colorizer::error;
DEBUG:clap:Colorizer::warning;
DEBUG:clap:Colorizer::good;
error: Found argument '-b' which wasn't expected, or isn't valid in this context

USAGE:
    test start --flag1 <BRANCH> --flag2 <BRANCH> --flag3 <BRANCH>

For more information try --help