[wpiutil] Modify fmt to not throw on write failure

[calcmogul]

No description provided.

[sciencewhiz]

Have you tried this end to end with shuffleboard? I published an allwpilib build with this PR. I then built shuffleboard and copied the jar to the tools folder, and it still fails to start on windows via the script.

[calcmogul]

No, because I don't have a WPILib dev environment on Windows or macOS. @ThadHouse's stacktrace on macOS was the following, which should be fixed by this PR.

Thread 47 Crashed:
0   ???                           	    0x7ff89c652940 ???
1   libsystem_kernel.dylib        	    0x7ff80c197112 __pthread_kill + 10
2   libsystem_c.dylib             	    0x7ff80c119d10 abort + 123
3   libc++abi.dylib               	    0x7ff80c18a0b2 abort_message + 241
4   libc++abi.dylib               	    0x7ff80c17b1e5 demangling_terminate_handler() + 242
5   libobjc.A.dylib               	    0x7ff80c0786e6 _objc_terminate() + 104
6   libc++abi.dylib               	    0x7ff80c1894d7 std::__terminate(void (*)()) + 8
7   libc++abi.dylib               	    0x7ff80c18bd55 __cxxabiv1::failed_throw(__cxxabiv1::__cxa_exception*) + 27
8   libc++abi.dylib               	    0x7ff80c18bd1c __cxa_throw + 116
9   libwpiutil.dylib              	       0x12ff90e75 fmt::v8::detail::print(__sFILE*, fmt::v8::basic_string_view<char>) + 101
10  libwpiutil.dylib              	       0x12ff90f04 fmt::v8::vprint(__sFILE*, fmt::v8::basic_string_view<char>, fmt::v8::basic_format_args<fmt::v8::basic_format_context<fmt::v8::appender, char> >) + 116
11  libntcore.dylib               	       0x137324db5 nt::LoggerImpl::Log(unsigned int, char const*, unsigned int, char const*) + 453
12  libwpiutil.dylib              	       0x12ff26af2 wpi::Logger::LogV(unsigned int, char const*, unsigned int, fmt::v8::basic_string_view<char>, fmt::v8::basic_format_args<fmt::v8::basic_format_context<fmt::v8::appender, char> >) + 290
13  libwpiutil.dylib              	       0x12ff154f4 wpi::TCPConnector::connect(char const*, int, wpi::Logger&, int) + 1956
14  libntcore.dylib               	       0x1373340c8 0x137311000 + 143560
15  libntcore.dylib               	       0x137331118 nt::DispatcherBase::ClientThreadMain() + 584
16  libntcore.dylib               	       0x13733520e 0x137311000 + 147982
17  libsystem_pthread.dylib       	    0x7ff80c1cd514 _pthread_start + 125
18  libsystem_pthread.dylib       	    0x7ff80c1c902f thread_start + 15

[sciencewhiz]

But it works on Linux?

[sciencewhiz]

My shuffleboard build may not have pulled in the updated dependencies. I did a clean and then rebuilt shuffleboard and it worked