Compilation issues on macOS Catalina, GST 1.16.2

Hi, I was following the installation procedure (brew instructions, pkg installation, export of path) and cloned the repo. Then run cargo build from the examples sub-dir. Didn't go throuhg:

Output:

~/Documents/Rust/gstreamer-rs/examples $ cargo build
warning: /Users/decades/Documents/Rust/gstreamer-rs/examples/Cargo.toml: unused manifest key: bin.31.features
   Compiling proc-macro2 v1.0.20
   Compiling unicode-xid v0.2.1
   Compiling syn v1.0.40
   Compiling serde v1.0.115
   Compiling unicode-segmentation v1.6.0
   Compiling version-compare v0.0.10
   Compiling pkg-config v0.3.18
   Compiling strum v0.18.0
   Compiling libc v0.2.76
   Compiling autocfg v1.0.1
   Compiling version_check v0.9.2
   Compiling pin-project-internal v0.4.23
   Compiling proc-macro-nested v0.1.6
   Compiling memchr v2.3.3
   Compiling proc-macro-hack v0.5.18
   Compiling futures-core v0.3.5
   Compiling futures-sink v0.3.5
   Compiling once_cell v1.4.1
   Compiling anyhow v1.0.32
   Compiling pin-utils v0.1.0
   Compiling slab v0.4.2
   Compiling futures-io v0.3.5
   Compiling either v1.6.0
   Compiling bitflags v1.2.1
   Compiling gstreamer v0.17.0 (/Users/decades/Documents/Rust/gstreamer-rs/gstreamer)
   Compiling pretty-hex v0.2.0
   Compiling muldiv v0.2.1
   Compiling cfg-if v0.1.10
   Compiling paste v1.0.0
   Compiling gstreamer-base v0.17.0 (/Users/decades/Documents/Rust/gstreamer-rs/gstreamer-base)
   Compiling gstreamer-audio v0.17.0 (/Users/decades/Documents/Rust/gstreamer-rs/gstreamer-audio)
   Compiling gstreamer-pbutils v0.17.0 (/Users/decades/Documents/Rust/gstreamer-rs/gstreamer-pbutils)
   Compiling gstreamer-app v0.17.0 (/Users/decades/Documents/Rust/gstreamer-rs/gstreamer-app)
   Compiling gstreamer-video v0.17.0 (/Users/decades/Documents/Rust/gstreamer-rs/gstreamer-video)
   Compiling examples v0.17.0 (/Users/decades/Documents/Rust/gstreamer-rs/examples)
   Compiling array-init v0.1.1
   Compiling byte-slice-cast v0.3.5
   Compiling num-traits v0.2.12
   Compiling num-integer v0.1.43
   Compiling num-rational v0.3.0
   Compiling heck v0.3.1
   Compiling futures-channel v0.3.5
   Compiling proc-macro-error-attr v1.0.4
   Compiling proc-macro-error v1.0.4
   Compiling itertools v0.9.0
   Compiling futures-task v0.3.5
   Compiling quote v1.0.7
   Compiling toml v0.5.6
   Compiling proc-macro-crate v0.1.5
   Compiling thiserror-impl v1.0.20
   Compiling strum_macros v0.18.0
   Compiling futures-macro v0.3.5
   Compiling glib-macros v0.10.0 (https://github.com/gtk-rs/glib#197c2385)
   Compiling derive_more v0.99.9
   Compiling thiserror v1.0.20
   Compiling system-deps v1.3.2
   Compiling pin-project v0.4.23
   Compiling glib-sys v0.10.0 (https://github.com/gtk-rs/sys#56e03c02)
   Compiling gobject-sys v0.10.0 (https://github.com/gtk-rs/sys#56e03c02)
   Compiling gstreamer-sys v0.10.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#cc525cdf)
   Compiling gstreamer-base-sys v0.10.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#cc525cdf)
   Compiling gstreamer-video-sys v0.10.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#cc525cdf)
   Compiling gstreamer-audio-sys v0.10.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#cc525cdf)
   Compiling gstreamer-pbutils-sys v0.10.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#cc525cdf)
   Compiling gstreamer-app-sys v0.10.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#cc525cdf)
   Compiling futures-util v0.3.5
   Compiling futures-executor v0.3.5
   Compiling glib v0.10.0 (https://github.com/gtk-rs/glib#197c2385)
   Compiling futures v0.3.5
error[E0425]: cannot find function `debug_add_ring_buffer_logger` in crate `gst`
  --> examples/src/bin/debug_ringbuffer.rs:25:10
   |
25 |     gst::debug_add_ring_buffer_logger(1024, 10);
   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `gst`

error[E0425]: cannot find function `debug_ring_buffer_logger_get_logs` in crate `gst`
  --> examples/src/bin/debug_ringbuffer.rs:77:19
   |
77 |     for s in gst::debug_ring_buffer_logger_get_logs().iter() {
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `gst`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0425`.
error: could not compile `examples`.

To learn more, run the command again with --verbose.
warning: build failed, waiting for other jobs to finish...
error: build failed

Any idea what might go wrong?