Fedora: Panicked at "Unable to get volume"

[lightonflux]

The Dell Monitor i use does not have speakers. So i tried inquiring about volume:

thread '<unnamed>' panicked at 'Unable to get volume', src/monitor.rs:204:56
stack backtrace:
   0:     0x5563d97cc8a0 - std::backtrace_rs::backtrace::libunwind::trace::h71f7dcff7131dfa4
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x5563d97cc8a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1b1b034d3ece5f63
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x5563d97cc8a0 - std::sys_common::backtrace::_print_fmt::h160ba03e7a7f4a86
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x5563d97cc8a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h23e12af75169d6b9
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x5563d978ccfe - core::fmt::write::h86f05b6e21be6376
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/core/src/fmt/mod.rs:1213:17
   5:     0x5563d97ac294 - std::io::Write::write_fmt::h3fa15e9b7445977a
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/io/mod.rs:1682:15
   6:     0x5563d97cdf4f - std::sys_common::backtrace::_print::h2668f6bd676ab5ba
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x5563d97cdf4f - std::sys_common::backtrace::print::h584ee38769ddfb5d
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x5563d97cdb4f - std::panicking::default_hook::{{closure}}::hc158f42604c87d65
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/panicking.rs:267:22
   9:     0x5563d97cebdd - std::panicking::default_hook::h4705b9e080ca103c
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/panicking.rs:286:9
  10:     0x5563d97cebdd - std::panicking::rust_panic_with_hook::h16160c0d99adaf2e
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/panicking.rs:688:13
  11:     0x5563d97ce6b4 - std::panicking::begin_panic_handler::{{closure}}::hd2661207f627a7a1
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/panicking.rs:579:13
  12:     0x5563d97ce61c - std::sys_common::backtrace::__rust_end_short_backtrace::hbb3515718de50010
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/sys_common/backtrace.rs:137:18
  13:     0x5563d97ce5f1 - rust_begin_unwind
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/panicking.rs:575:5
  14:     0x5563d9752792 - core::panicking::panic_fmt::hc92854c3657c009b
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/core/src/panicking.rs:64:14
  15:     0x5563d978d650 - core::panicking::panic_display::h5db231a5968f92f8
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/core/src/panicking.rs:147:5
  16:     0x5563d978d5fb - core::panicking::panic_str::hdea50a0dc0e45363
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/core/src/panicking.rs:131:5
  17:     0x5563d9752a46 - core::option::expect_failed::ha23d257f026b37b8
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/core/src/option.rs:1924:5
  18:     0x5563d97550df - std::sys_common::backtrace::__rust_begin_short_backtrace::h0e93bf9c646651ed
  19:     0x5563d979c685 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h0d9e594be8c50ef3
  20:     0x5563d97cf385 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3a2d06932df27e0b
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/alloc/src/boxed.rs:1988:9
  21:     0x5563d97cf385 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::heace9869feac6c3a
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/alloc/src/boxed.rs:1988:9
  22:     0x5563d97cf385 - std::sys::unix::thread::Thread::new::thread_start::h77428679d9117634
                               at /builddir/build/BUILD/rustc-1.68.2-src/library/std/src/sys/unix/thread.rs:108:17
  23:     0x7fca2136d12d - start_thread
  24:     0x7fca213eebc0 - clone3
  25:                0x0 - <unknown>
Abgebrochen (Speicherabzug geschrieben)