Source: fmtlib
Version: 6.1.2+ds-2
Severity: important
Tags: ftbfs
User: [email protected]
Usertags: sphinx2.4

Hi,

fmtlib fails to build with Sphinx 2.4, currently available in
experimental.

Relevant part (hopefully):
> make[5]: Entering directory '/<<PKGBUILDDIR>>/bdir'
> cd /<<PKGBUILDDIR>>/bdir/doc && ../../doc/build.py 6.1.2
> warning: tag INPUT: input source '/<<PKGBUILDDIR>>/include/fmt/time.h' does 
> not exist
> warning: source /<<PKGBUILDDIR>>/include/fmt/time.h is not a readable file or 
> directory... skipping.
> /<<PKGBUILDDIR>>/include/fmt/core.h:552: warning: Compound fmt::formatter is 
> not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2971: warning: Compound fmt::formatter< 
> long, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2969: warning: Compound fmt::formatter< 
> short, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3166: warning: Compound fmt::formatter< 
> arg_join< It, Char >, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2974: warning: Compound fmt::formatter< 
> std::basic_string< Char >, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2987: warning: Compound fmt::formatter< 
> Char[N], Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2976: warning: Compound fmt::formatter< 
> internal::std_string_view< Char >, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2968: warning: Compound fmt::formatter< 
> unsigned char, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3080: warning: Compound 
> fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3004: warning: Compound 
> fmt::dynamic_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:1004: warning: Compound 
> fmt::basic_format_specs is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1135: warning: Compound 
> fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1324: warning: Compound fmt::wformat_args 
> is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:971: warning: Compound 
> fmt::basic_format_arg::handle is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2973: warning: Compound fmt::formatter< 
> Char *, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2972: warning: Compound fmt::formatter< 
> unsigned long, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:951: warning: Compound 
> fmt::basic_format_arg is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:547: warning: Compound 
> fmt::basic_format_arg is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2886: warning: Compound fmt::formatter< 
> T, Char, enable_if_t< internal::type_constant< T, Char >::value 
> !=internal::custom_type > > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2979: warning: Compound fmt::formatter< 
> void *, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:305: warning: Compound 
> fmt::printf_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2967: warning: Compound fmt::formatter< 
> signed char, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3317: warning: Compound 
> fmt::format_to_n_result is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:527: warning: Compound 
> fmt::buffer_range is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3156: warning: Compound fmt::arg_join 
> is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2970: warning: Compound fmt::formatter< 
> unsigned short, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2975: warning: Compound fmt::formatter< 
> std::nullptr_t, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:536: warning: Compound 
> fmt::u8string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:501: warning: no matching file member 
> found for 
> value OutputIt fmt::internal::copy_str(InputIt begin, InputIt end, OutputIt 
> it)
> Possible candidates:
>  '::value OutputIt copy_str(InputIt begin, InputIt end, OutputIt it)' at line 
> 495 of file /<<PKGBUILDDIR>>/include/fmt/format.h
> 
> /<<PKGBUILDDIR>>/include/fmt/format.h:2659: warning: Member range (typedef) 
> of class fmt::arg_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2660: warning: Member iterator 
> (typedef) of class fmt::arg_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2661: warning: Member format_specs 
> (typedef) of class fmt::arg_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3161: warning: Member arg_join(It b, It 
> e, basic_string_view< Char > s) (function) of class fmt::arg_join is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3157: warning: Member begin (variable) 
> of class fmt::arg_join is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3158: warning: Member end (variable) of 
> class fmt::arg_join is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3159: warning: Member sep (variable) of 
> class fmt::arg_join is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:986: warning: Member operator bool() 
> const (function) of class fmt::basic_format_arg is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:990: warning: Member type() const 
> (function) of class fmt::basic_format_arg is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:992: warning: Member is_integral() const 
> (function) of class fmt::basic_format_arg is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:993: warning: Member is_arithmetic() 
> const (function) of class fmt::basic_format_arg is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:973: warning: Member 
> handle(internal::custom_value< Context > custom) (function) of class 
> fmt::basic_format_arg::handle is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:975: warning: Member 
> format(basic_format_parse_context< char_type > &parse_ctx, Context &ctx) 
> const (function) of class fmt::basic_format_arg::handle is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1233: warning: Member size_type (typedef) 
> of class fmt::basic_format_args is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1234: warning: Member format_arg 
> (typedef) of class fmt::basic_format_args is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1310: warning: Member max_size() const 
> (function) of class fmt::basic_format_args is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1147: warning: Member iterator (typedef) 
> of class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1148: warning: Member format_arg 
> (typedef) of class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1149: warning: Member formatter_type 
> (typedef) of class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1162: warning: Member arg(int id) const 
> (function) of class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1166: warning: Member 
> arg(basic_string_view< char_type > name) (function) of class 
> fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1168: warning: Member error_handler() 
> (function) of class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1169: warning: Member on_error(const char 
> *message) (function) of class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1172: warning: Member out() (function) of 
> class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1175: warning: Member advance_to(iterator 
> it) (function) of class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1177: warning: Member locale() (function) 
> of class fmt::basic_format_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:483: warning: Member char_type (typedef) 
> of class fmt::basic_format_parse_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:484: warning: Member iterator (typedef) 
> of class fmt::basic_format_parse_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:486: warning: Member 
> basic_format_parse_context(basic_string_view< Char > format_str, ErrorHandler 
> eh=ErrorHandler()) (function) of class fmt::basic_format_parse_context is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:529: warning: Member 
> check_arg_id(basic_string_view< Char >) (function) of class 
> fmt::basic_format_parse_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:531: warning: Member on_error(const char 
> *message) (function) of class fmt::basic_format_parse_context is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:535: warning: Member error_handler() 
> const (function) of class fmt::basic_format_parse_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:1005: warning: Member width (variable) 
> of class fmt::basic_format_specs is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:1006: warning: Member precision 
> (variable) of class fmt::basic_format_specs is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:1007: warning: Member type (variable) 
> of class fmt::basic_format_specs is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:1008: warning: Member align (variable) 
> of class fmt::basic_format_specs is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:1009: warning: Member sign (variable) 
> of class fmt::basic_format_specs is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:1010: warning: Member alt (variable) of 
> class fmt::basic_format_specs is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:1011: warning: Member fill (variable) 
> of class fmt::basic_format_specs is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:602: warning: Member value_type 
> (typedef) of class fmt::basic_memory_buffer is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:603: warning: Member const_reference 
> (typedef) of class fmt::basic_memory_buffer is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:605: warning: Member 
> basic_memory_buffer(const Allocator &alloc=Allocator()) (function) of class 
> fmt::basic_memory_buffer is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:653: warning: Member get_allocator() 
> const (function) of class fmt::basic_memory_buffer is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:599: warning: Member grow(std::size_t 
> size) (function) of class fmt::basic_memory_buffer is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:323: warning: Member format_arg 
> (typedef) of class fmt::basic_printf_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:324: warning: Member formatter_type 
> (typedef) of class fmt::basic_printf_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:355: warning: Member out() (function) 
> of class fmt::basic_printf_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:356: warning: Member 
> advance_to(OutputIt it) (function) of class fmt::basic_printf_context is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:358: warning: Member arg(int id) const 
> (function) of class fmt::basic_printf_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:360: warning: Member parse_context() 
> (function) of class fmt::basic_printf_context is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:362: warning: Member on_error(const 
> char *message) (function) of class fmt::basic_printf_context is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:287: warning: Member char_type (typedef) 
> of class fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:288: warning: Member iterator (typedef) 
> of class fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:316: warning: Member basic_string_view(S 
> s) (function) of class fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:325: warning: Member begin() const 
> (function) of class fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:326: warning: Member end() const 
> (function) of class fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:328: warning: Member operator[](size_t 
> pos) const (function) of class fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:330: warning: Member remove_prefix(size_t 
> n) (function) of class fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:336: warning: Member 
> compare(basic_string_view other) const (function) of class 
> fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:344: warning: Member 
> operator==(basic_string_view lhs, basic_string_view rhs) (friend) of class 
> fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:347: warning: Member 
> operator!=(basic_string_view lhs, basic_string_view rhs) (friend) of class 
> fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:350: warning: Member 
> operator<(basic_string_view lhs, basic_string_view rhs) (friend) of class 
> fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:353: warning: Member 
> operator<=(basic_string_view lhs, basic_string_view rhs) (friend) of class 
> fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:356: warning: Member 
> operator>(basic_string_view lhs, basic_string_view rhs) (friend) of class 
> fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:359: warning: Member 
> operator>=(basic_string_view lhs, basic_string_view rhs) (friend) of class 
> fmt::basic_string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:529: warning: Member iterator (typedef) 
> of class fmt::buffer_range is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:531: warning: Member 
> buffer_range(internal::buffer< T > &buf) (function) of class 
> fmt::buffer_range is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3016: warning: Member 
> parse(ParseContext &ctx) -> decltype(ctx.begin()) (function) of class 
> fmt::dynamic_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3024: warning: Member format(const T 
> &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of class 
> fmt::dynamic_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1212: warning: Member 
> format_arg_store(const Args &... args) (function) of class 
> fmt::format_arg_store is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1208: warning: Member types (variable) of 
> class fmt::format_arg_store is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1321: warning: Member format_args(Args 
> &&... args) (function) of class fmt::format_args is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1310: warning: Member max_size() const 
> (function) of class basic_format_args< format_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1233: warning: Member size_type (typedef) 
> of class basic_format_args< format_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1234: warning: Member format_arg 
> (typedef) of class basic_format_args< format_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1246: warning: Member values_ (variable) 
> of class basic_format_args< format_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1247: warning: Member args_ (variable) of 
> class basic_format_args< format_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:682: warning: Member format_error(const 
> char *message) (function) of class fmt::format_error is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:683: warning: Member format_error(const 
> std::string &message) (function) of class fmt::format_error is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:685: warning: Member format_error(const 
> format_error &)=default (function) of class fmt::format_error is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:686: warning: Member operator=(const 
> format_error &)=default (function) of class fmt::format_error is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:687: warning: Member 
> format_error(format_error &&)=default (function) of class fmt::format_error 
> is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:688: warning: Member 
> operator=(format_error &&)=default (function) of class fmt::format_error is 
> not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3081: warning: Member range (typedef) 
> of class fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3083: warning: Member 
> format_handler(range r, basic_string_view< Char > str, basic_format_args< 
> Context > format_args, internal::locale_ref loc) (function) of class 
> fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3088: warning: Member on_text(const 
> Char *begin, const Char *end) (function) of class fmt::format_handler is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3096: warning: Member get_arg(int id) 
> (function) of class fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3098: warning: Member on_arg_id() 
> (function) of class fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3099: warning: Member on_arg_id(int id) 
> (function) of class fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3103: warning: Member 
> on_arg_id(basic_string_view< Char > id) (function) of class 
> fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3105: warning: Member 
> on_replacement_field(const Char *p) (function) of class fmt::format_handler 
> is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3111: warning: Member 
> on_format_specs(const Char *begin, const Char *end) (function) of class 
> fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3129: warning: Member parse_context 
> (variable) of class fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3130: warning: Member context 
> (variable) of class fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3131: warning: Member arg (variable) of 
> class fmt::format_handler is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2846: warning: Member format_int(int 
> value) (function) of class fmt::format_int is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2847: warning: Member format_int(long 
> value) (function) of class fmt::format_int is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2848: warning: Member format_int(long 
> long value) (function) of class fmt::format_int is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2849: warning: Member 
> format_int(unsigned value) (function) of class fmt::format_int is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2850: warning: Member 
> format_int(unsigned long value) (function) of class fmt::format_int is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2851: warning: Member 
> format_int(unsigned long long value) (function) of class fmt::format_int is 
> not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:3168: warning: Member format(const 
> arg_join< It, Char > &value, FormatContext &ctx) -> decltype(ctx.out()) 
> (function) of class fmt::formatter< arg_join< It, Char >, Char > is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2973: warning: Member format(const Char 
> *&val, FormatContext &ctx) -> decltype(ctx.out()) (function) of class 
> fmt::formatter< Char *, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2989: warning: Member format(const Char 
> *val, FormatContext &ctx) -> decltype(ctx.out()) (function) of class 
> fmt::formatter< Char[N], Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2976: warning: Member format(const 
> internal::std_string_view< Char > &val, FormatContext &ctx) -> 
> decltype(ctx.out()) (function) of class fmt::formatter< 
> internal::std_string_view< Char >, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2971: warning: Member format(const long 
> &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of class 
> fmt::formatter< long, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2969: warning: Member format(const 
> short &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of class 
> fmt::formatter< short, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2967: warning: Member format(const 
> signed char &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of 
> class fmt::formatter< signed char, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2974: warning: Member format(const 
> std::basic_string< Char > &val, FormatContext &ctx) -> decltype(ctx.out()) 
> (function) of class fmt::formatter< std::basic_string< Char >, Char > is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2975: warning: Member format(const 
> std::nullptr_t &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of 
> class fmt::formatter< std::nullptr_t, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2892: warning: Member 
> parse(ParseContext &ctx) -> decltype(ctx.begin()) (function) of class 
> fmt::formatter< T, Char, enable_if_t< internal::type_constant< T, Char 
> >::value !=internal::custom_type > > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2942: warning: Member format(const T 
> &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of class 
> fmt::formatter< T, Char, enable_if_t< internal::type_constant< T, Char 
> >::value !=internal::custom_type > > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2968: warning: Member format(const 
> unsigned char &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of 
> class fmt::formatter< unsigned char, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2972: warning: Member format(const 
> unsigned long &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of 
> class fmt::formatter< unsigned long, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2970: warning: Member format(const 
> unsigned short &val, FormatContext &ctx) -> decltype(ctx.out()) (function) of 
> class fmt::formatter< unsigned short, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2981: warning: Member format(void *val, 
> FormatContext &ctx) -> decltype(ctx.out()) (function) of class 
> fmt::formatter< void *, Char > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:202: warning: Member iterator (typedef) 
> of class fmt::printf_arg_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:222: warning: Member format_specs 
> (typedef) of class fmt::printf_arg_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:235: warning: Member operator()(T 
> value) (function) of class fmt::printf_arg_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:258: warning: Member operator()(T 
> value) (function) of class fmt::printf_arg_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:284: warning: Member 
> operator()(basic_string_view< char_type > value) (function) of class 
> fmt::printf_arg_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:288: warning: Member 
> operator()(monostate value) (function) of class fmt::printf_arg_formatter is 
> not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:307: warning: Member parse(ParseContext 
> &ctx) -> decltype(ctx.begin()) (function) of class fmt::printf_formatter is 
> not documented.
> /<<PKGBUILDDIR>>/include/fmt/printf.h:312: warning: Member format(const T 
> &value, FormatContext &ctx) -> decltype(ctx.out()) (function) of class 
> fmt::printf_formatter is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2724: warning: Member 
> system_error(const system_error &)=default (function) of class 
> fmt::system_error is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2725: warning: Member operator=(const 
> system_error &)=default (function) of class fmt::system_error is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2726: warning: Member 
> system_error(system_error &&)=default (function) of class fmt::system_error 
> is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2727: warning: Member 
> operator=(system_error &&)=default (function) of class fmt::system_error is 
> not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2730: warning: Member error_code() 
> const (function) of class fmt::system_error is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2696: warning: Member error_code_ 
> (variable) of class fmt::system_error is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:538: warning: Member 
> u8string_view(const char *s) (function) of class fmt::u8string_view is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:540: warning: Member 
> u8string_view(const char *s, size_t count) (function) of class 
> fmt::u8string_view is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:316: warning: Member basic_string_view(S 
> s) (function) of class basic_string_view< char8_t > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:325: warning: Member begin() const 
> (function) of class basic_string_view< char8_t > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:326: warning: Member end() const 
> (function) of class basic_string_view< char8_t > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:328: warning: Member operator[](size_t 
> pos) const (function) of class basic_string_view< char8_t > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:330: warning: Member remove_prefix(size_t 
> n) (function) of class basic_string_view< char8_t > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:336: warning: Member 
> compare(basic_string_view other) const (function) of class basic_string_view< 
> char8_t > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:287: warning: Member char_type (typedef) 
> of class basic_string_view< char8_t > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:288: warning: Member iterator (typedef) 
> of class basic_string_view< char8_t > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1326: warning: Member wformat_args(Args 
> &&... args) (function) of class fmt::wformat_args is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1310: warning: Member max_size() const 
> (function) of class basic_format_args< wformat_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1233: warning: Member size_type (typedef) 
> of class basic_format_args< wformat_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1234: warning: Member format_arg 
> (typedef) of class basic_format_args< wformat_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1246: warning: Member values_ (variable) 
> of class basic_format_args< wformat_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/core.h:1247: warning: Member args_ (variable) of 
> class basic_format_args< wformat_context > is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2724: warning: Member 
> system_error(const system_error &)=default (function) of class 
> fmt::system_error is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2725: warning: Member operator=(const 
> system_error &)=default (function) of class fmt::system_error is not 
> documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2726: warning: Member 
> system_error(system_error &&)=default (function) of class fmt::system_error 
> is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2727: warning: Member 
> operator=(system_error &&)=default (function) of class fmt::system_error is 
> not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2730: warning: Member error_code() 
> const (function) of class fmt::system_error is not documented.
> /<<PKGBUILDDIR>>/include/fmt/format.h:2696: warning: Member error_code_ 
> (variable) of class fmt::system_error is not documented.
> Running Sphinx v2.4.3
> making output directory... done
> building [mo]: targets for 0 po files that are out of date
> building [html]: targets for 5 source files that are out of date
> updating environment: [new config] 5 added, 0 changed, 0 removed
> reading sources... [ 20%] api
> /usr/lib/python3/dist-packages/sphinx/util/docutils.py:285: 
> RemovedInSphinx30Warning: function based directive support is now deprecated. 
> Use class based directive instead.
>   warnings.warn('function based directive support is now deprecated. '
> /<<PKGBUILDDIR>>/doc/api.rst:45: WARNING: Too many template argument lists 
> compared to parameter lists. Argument lists: 1, Parameter lists: 0, Extra 
> empty parameters lists prepended: 1. Declaration:
>       fmt::basic_format_arg<Context>::handle::format
> /<<PKGBUILDDIR>>/doc/api.rst:45: WARNING: Duplicate declaration, 
> template<typename S, typename... Args, typename Char = 
> char_t<S>>std::basic_string<Char> fmt::format(const S & format_str, Args 
> &&... args)
> /<<PKGBUILDDIR>>/doc/api.rst:46: WARNING: Duplicate declaration, 
> template<typename S, typename Char = char_t<S>>std::basic_string<Char> 
> fmt::vformat(const S & format_str, basic_format_args <  buffer_context < Char 
> >> args)
> /<<PKGBUILDDIR>>/doc/api.rst:50: WARNING: Duplicate declaration, 
> template<typename S, typename... Args>void fmt::print(const S & format_str, 
> Args &&... args)
> /<<PKGBUILDDIR>>/doc/api.rst:51: WARNING: Duplicate declaration, void 
> fmt::vprint(string_view format_str, format_args args)
> /<<PKGBUILDDIR>>/doc/api.rst:53: WARNING: Duplicate declaration, 
> template<typename S, typename... Args>void fmt::print(std::FILE *, const S &, 
> Args &&...)
> /<<PKGBUILDDIR>>/doc/api.rst:53: WARNING: Duplicate declaration, 
> template<typename S, typename... Args>void fmt::print(std::FILE * f, const S 
> & format_str, Args &&... args)
> /<<PKGBUILDDIR>>/doc/api.rst:54: WARNING: Duplicate declaration, void 
> fmt::vprint(std::FILE *, string_view, format_args)
> /<<PKGBUILDDIR>>/doc/api.rst:54: WARNING: Duplicate declaration, void 
> fmt::vprint(std::FILE * f, string_view format_str, format_args args)
> /<<PKGBUILDDIR>>/doc/api.rst:59: WARNING: Duplicate declaration, 
> template<typename S, typename T, typename Char = 
> char_t<S>>internal::named_arg<T, Char> fmt::arg(const S & name, const T & arg)
> 
> Exception occurred:
>   File "/usr/lib/python3/dist-packages/breathe/renderer/sphinxrenderer.py", 
> line 38, in parse_definition
>     ast = parser.parse_declaration("class")
> TypeError: parse_declaration() missing 1 required positional argument: 
> 'directiveType'
> The full traceback has been saved in /tmp/sphinx-err-1h_mfpfm.log, if you 
> want to report the issue to the developers.
> Please also report this if it was a user error, so that a better error 
> message can be provided next time.
> A bug report can be filed in the tracker at 
> <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
> Traceback (most recent call last):
>   File "../../doc/build.py", line 61, in <module>
>     build_docs(sys.argv[1])
>   File "../../doc/build.py", line 53, in build_docs
>     check_call(['sphinx-build',
>   File "/usr/lib/python3.8/subprocess.py", line 364, in check_call
>     raise CalledProcessError(retcode, cmd)
> subprocess.CalledProcessError: Command '['sphinx-build', 
> '-Dbreathe_projects.format=/<<PKGBUILDDIR>>/bdir/doc/doxyxml', 
> '-Dversion=6.1.2', '-Drelease=6.1.2', '-Aversion=6.1.2', 
> '-Aversions=6.1.2,6.1.1,6.1.0', '-b', 'html', '/<<PKGBUILDDIR>>/doc', 
> './html']' returned non-zero exit status 2.
> make[5]: *** [doc/CMakeFiles/doc.dir/build.make:60: doc/CMakeFiles/doc] Error 
> 1

The full build log is available from:
   http://qa-logs.debian.net/2020/03/26/fmtlib_6.1.2+ds-2_unstable_sphinx243.log

Please see [1] for Sphinx changelog, which may give a hint of what changes in
Sphinx caused this error.

Also see [2] for the list of deprecated/removed APIs and possible alternatives
to them.

Sphinx 2.4 is going to be uploaded to unstable in a couple of weeks. When that
happens, the severity of this bug will be bumped to serious.

In case you have questions, please Cc [email protected] on reply.

[1]: https://www.sphinx-doc.org/en/2.0/changes.html
[2]: 
https://www.sphinx-doc.org/en/2.0/extdev/deprecated.html#dev-deprecated-apis

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.

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