(gdb) run
Starting program: /var/tmp/portage/mail-client/thunderbird-102.5.0/work/thunderbird_build/release/build/gecko-profiler-3b4d82060eb15032/build-script-build
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
cargo:rerun-if-changed=build.rs
thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', tools/profiler/rust-api/build.rs:19:76
stack backtrace:
   0: rust_begin_unwind
   1: core::panicking::panic_fmt
   2: core::panicking::panic
   3: std::sync::once::Once::call_once::{{closure}}
   4: std::sync::once::Once::call_inner
   5: build_script_build::main
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
[Inferior 1 (process 7138) exited with code 0145]