-

--- stderr
thread '<unnamed>' panicked at 'Unable to find libclang: "the `libclang` shared library at /usr/local/llvm70/lib/libclang.so.7 could not be opened: /usr/lib/libdl.so.1: Undefined symbol \"_once\""', src/libcore/result.rs:1009:5
stack backtrace:
   0:          0x123b490 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4ad256dbc8354207
   1:          0x1247990 - std::sys_common::backtrace::print::h74e3f20e8210422a
   2:          0x12416a3 - std::panicking::default_hook::{{closure}}::h0ec734b51562d1d3
   3:          0x1241409 - std::panicking::default_hook::heb2767278c3cb27c
   4:          0x1241dca - std::panicking::rust_panic_with_hook::hddb2b46b78c5bf00
   5:          0x1241946 - std::panicking::continue_panic_fmt::h1d35bb7a12213ccb
   6:          0x1241838 - rust_begin_unwind
   7:          0x125f0ba - core::panicking::panic_fmt::h7fcc636c1a980b4c
   8:          0x10b0cb9 - core::result::unwrap_failed::h97c27bf4f7497010
   9:          0x10a1e4e - std::sync::once::Once::call_once::{{closure}}::h119b6920e41819df
  10:          0x122ffc1 - std::sync::once::Once::call_inner::h64895fa56b72bb59
  11:          0x115fdc6 - bindgen::Builder::generate::h78d35429d9aca40e
  12:          0x1083a47 - build_script_build::build_gecko::bindings::write_binding_file::hd3bf04de8f2d673c
  13:          0x108c95f - build_script_build::build_gecko::bindings::generate_bindings::h8daedac6dc5cc6c9
  14:          0x12523de - __rust_maybe_catch_panic
                               at src/libpanic_unwind/lib.rs:102
  15:          0x1077b9a - <F as alloc::boxed::FnBox<A>>::call_box::hae957d3989e1189d
  16:          0x123f42e - std::sys_common::thread::start_thread::hcfd1f4e591e5bf1f
  17:          0x1230b18 - std::sys::unix::thread::Thread::new::thread_start::h9f22beba41c290d1
  18:        0x801ad5bc4 - pthread_create
  19:                0x0 - <unknown>
thread '<unnamed>' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:372:21
stack backtrace:
   0:          0x123b490 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4ad256dbc8354207
   1:          0x1247990 - std::sys_common::backtrace::print::h74e3f20e8210422a
   2:          0x12416a3 - std::panicking::default_hook::{{closure}}::h0ec734b51562d1d3
   3:          0x1241409 - std::panicking::default_hook::heb2767278c3cb27c
   4:          0x1241dca - std::panicking::rust_panic_with_hook::hddb2b46b78c5bf00
   5:          0x1241b75 - std::panicking::begin_panic::h2575e258ac9639a4
   6:          0x1230024 - std::sync::once::Once::call_inner::h64895fa56b72bb59
   7:          0x115fdc6 - bindgen::Builder::generate::h78d35429d9aca40e
   8:          0x1083a47 - build_script_build::build_gecko::bindings::write_binding_file::hd3bf04de8f2d673c
   9:          0x10892bb - build_script_build::build_gecko::bindings::generate_structs::h7f4c1adceae6826f
  10:          0x12523de - __rust_maybe_catch_panic
                               at src/libpanic_unwind/lib.rs:102
  11:          0x1077d0a - <F as alloc::boxed::FnBox<A>>::call_box::hfd5fc262c75b13b4
  12:          0x123f42e - std::sys_common::thread::start_thread::hcfd1f4e591e5bf1f
  13:          0x1230b18 - std::sys::unix::thread::Thread::new::thread_start::h9f22beba41c290d1
  14:        0x801ad5bc4 - pthread_create
  15:                0x0 - <unknown>
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Any', src/libcore/result.rs:1009:5
stack backtrace:
   0:          0x123b490 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4ad256dbc8354207
   1:          0x1247990 - std::sys_common::backtrace::print::h74e3f20e8210422a
   2:          0x12416a3 - std::panicking::default_hook::{{closure}}::h0ec734b51562d1d3
   3:          0x1241409 - std::panicking::default_hook::heb2767278c3cb27c
   4:          0x1241dca - std::panicking::rust_panic_with_hook::hddb2b46b78c5bf00
   5:          0x1241946 - std::panicking::continue_panic_fmt::h1d35bb7a12213ccb
   6:          0x1241838 - rust_begin_unwind
   7:          0x125f0ba - core::panicking::panic_fmt::h7fcc636c1a980b4c
   8:          0x1077500 - core::result::unwrap_failed::h392a9a2fdf96c1f1
   9:          0x108edc3 - build_script_build::main::h3259f2f44e06a22d
  10:          0x1071315 - std::rt::lang_start::{{closure}}::h0eead40fdd17694b
  11:          0x12417b7 - std::panicking::try::do_call::hea8e698b70685304
  12:          0x12523de - __rust_maybe_catch_panic
                               at src/libpanic_unwind/lib.rs:102
  13:          0x123058c - std::rt::lang_start_internal::hd54b77234c591ef1
  14:          0x108f1d9 - main
  15:          0x106c67f - _start
  16:        0x801516fff - <unknown>