cargo build fails about gcsf HOT 6 CLOSED

error: failed to run custom build command for `fuse v0.3.1`
process didn't exit successfully: `/var/folders/8v/qy_n424n6xx63gr7g5p58vsc0000gn/T/cargo-installgBpkpd/release/build/fuse-48a114c54a7ee922/build-script-build` (exit code: 101)
--- stderr
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Command { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"osxfuse >= 2.6.0\"", cause: Os { code: 2, kind: NotFound, message: "No such file or directory" } }', libcore/result.rs:945:5
note: Run with `RUST_BACKTRACE=1` for a backtrace.

   Compiling yup-oauth2 v1.0.7
   Compiling google-drive3-fork v1.0.10
   Compiling gcsf v0.1.7
error: non-reference pattern used to match a reference (see issue #42640)
   --> src/gcsf/file_manager.rs:275:13
    |
275 |             FileId::Inode(inode) => self.node_ids.contains_key(&inode),
    |             ^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&FileId::Inode(inode)`

error: non-reference pattern used to match a reference (see issue #42640)
   --> src/gcsf/file_manager.rs:276:13
    |
276 |             FileId::DriveId(drive_id) => self.drive_ids.contains_key(drive_id),
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&FileId::DriveId(drive_id)`

error: non-reference pattern used to match a reference (see issue #42640)
   --> src/gcsf/file_manager.rs:277:13
    |
277 |             FileId::NodeId(node_id) => self.tree.get(&node_id).is_ok(),
    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&FileId::NodeId(node_id)`

....
and lots of other FileId errors..