pipewire-sys build error: `spa_thread` not found

The pipewire-sys crate doesn't build for me. Version is commit 582d99. This is the output after running cargo build in the project root directory:

❯ cargo build
   Compiling libc v0.2.98
   Compiling proc-macro2 v1.0.27
   Compiling memchr v2.3.4
   Compiling unicode-xid v0.2.2
   Compiling bitflags v1.2.1
   Compiling version_check v0.9.3
   Compiling cfg-if v1.0.0
   Compiling syn v1.0.73
   Compiling glob v0.3.0
   Compiling serde v1.0.126
   Compiling log v0.4.14
   Compiling anyhow v1.0.42
   Compiling unicode-segmentation v1.8.0
   Compiling unicode-width v0.1.8
   Compiling regex-syntax v0.6.25
   Compiling either v1.6.1
   Compiling smallvec v1.6.1
   Compiling vec_map v0.8.2
   Compiling ansi_term v0.11.0
   Compiling termcolor v1.1.2
   Compiling strsim v0.8.0
   Compiling bindgen v0.58.1
   Compiling version-compare v0.0.11
   Compiling strum v0.21.0
   Compiling humantime v2.1.0
   Compiling pkg-config v0.3.19
   Compiling lazycell v1.3.0
   Compiling lazy_static v1.4.0
   Compiling shlex v1.0.0
   Compiling rustc-hash v1.1.0
   Compiling peeking_take_while v0.1.2
   Compiling radium v0.5.3
   Compiling ryu v1.0.5
   Compiling lexical-core v0.7.6
   Compiling wyz v0.2.0
   Compiling arrayvec v0.5.2
   Compiling funty v1.1.0
   Compiling tap v1.0.1
   Compiling cc v1.0.69
   Compiling nix v0.14.1
   Compiling static_assertions v1.1.0
   Compiling void v1.0.2
   Compiling cfg-if v0.1.10
   Compiling cookie-factory v0.3.2
   Compiling once_cell v1.8.0
   Compiling libloading v0.7.0
   Compiling textwrap v0.11.0
   Compiling itertools v0.10.1
   Compiling heck v0.3.3
   Compiling cfg-expr v0.7.4
   Compiling nom v5.1.2
   Compiling nom v6.2.1
   Compiling clang-sys v1.2.0
   Compiling aho-corasick v0.7.15
   Compiling bitvec v0.19.5
   Compiling quote v1.0.9
   Compiling atty v0.2.14
   Compiling which v3.1.1
   Compiling errno v0.2.7
   Compiling clap v2.33.3
   Compiling regex v1.4.6
   Compiling cexpr v0.4.0
   Compiling env_logger v0.8.4
   Compiling toml v0.5.8
   Compiling signal v0.7.0
   Compiling thiserror-impl v1.0.26
   Compiling strum_macros v0.21.1
   Compiling thiserror v1.0.26
   Compiling system-deps v3.1.2
   Compiling libspa-sys v0.4.0 (/home/lordmzte/Downloads/pipewire-rs/libspa-sys)
   Compiling libspa v0.4.0 (/home/lordmzte/Downloads/pipewire-rs/libspa)
   Compiling pipewire-sys v0.4.0 (/home/lordmzte/Downloads/pipewire-rs/pipewire-sys)
error[E0412]: cannot find type `spa_thread` in this scope
    --> /home/lordmzte/Downloads/pipewire-rs/target/debug/build/pipewire-sys-82663b43c8de9959/out/bindings.rs:7047:70
     |
7047 |     pub fn pw_data_loop_get_thread(loop_: *mut pw_data_loop) -> *mut spa_thread;
     |                                                                      ^^^^^^^^^^ not found in this scope

error: aborting due to previous error

For more information about this error, try `rustc --explain E0412`.
error: could not compile `pipewire-sys`

To learn more, run the command again with --verbose.

I am running arch linux, the output of pipewire --version is

❯ pipewire --version
pipewire
Compiled with libpipewire 0.3.32
Linked with libpipewire 0.3.32

Let me know if any more information is needed.