error[E0308]: mismatched types
   --> src/catfs/mod.rs:195:21
    |
195 |                     st.f_blocks,
    |                     ^^^^^^^^^^^ expected u64, found u32
help: you can cast an `u32` to `u64`, which will zero-extend the source value
    |
195 |                     st.f_blocks.into(),
    |                     ^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
   --> src/catfs/mod.rs:196:21
    |
196 |                     st.f_bfree,
    |                     ^^^^^^^^^^ expected u64, found u32
help: you can cast an `u32` to `u64`, which will zero-extend the source value
    |
196 |                     st.f_bfree.into(),
    |                     ^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
   --> src/catfs/mod.rs:197:21
    |
197 |                     st.f_bavail,
    |                     ^^^^^^^^^^^ expected u64, found u32
help: you can cast an `u32` to `u64`, which will zero-extend the source value
    |
197 |                     st.f_bavail.into(),
    |                     ^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
   --> src/catfs/mod.rs:198:21
    |
198 |                     st.f_files,
    |                     ^^^^^^^^^^ expected u64, found u32
help: you can cast an `u32` to `u64`, which will zero-extend the source value
    |
198 |                     st.f_files.into(),
    |                     ^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
   --> src/catfs/mod.rs:199:21
    |
199 |                     st.f_ffree,
    |                     ^^^^^^^^^^ expected u64, found u32
help: you can cast an `u32` to `u64`, which will zero-extend the source value
    |
199 |                     st.f_ffree.into(),
    |                     ^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
  --> src/catfs/rlibc.rs:95:28
   |
95 |         libc::seekdir(dir, loc);
   |                            ^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:137:16
    |
137 |         return self.en.d_ino;
    |                ^^^^^^^^^^^^^ expected u64, found u32

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:140:16
    |
140 |         return self.en.d_off;
    |                ^^^^^^^^^^^^^ expected i64, found i32

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:353:21
    |
353 |             tv_sec: atime.sec,
    |                     ^^^^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:354:22
    |
354 |             tv_nsec: atime.nsec as i64,
    |                      ^^^^^^^^^^^^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:357:21
    |
357 |             tv_sec: mtime.sec,
    |                     ^^^^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:358:22
    |
358 |             tv_nsec: mtime.nsec as i64,
    |                      ^^^^^^^^^^^^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:446:53
    |
446 |         let res = unsafe { libc::ftruncate(self.fd, size as i64) };
    |                                                     ^^^^^^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:455:59
    |
455 |         let res = unsafe { libc::posix_fallocate(self.fd, offset as i64, len as i64) };
    |                                                           ^^^^^^^^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:455:74
    |
455 |         let res = unsafe { libc::posix_fallocate(self.fd, offset as i64, len as i64) };
    |                                                                          ^^^^^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:489:76
    |
489 |             unsafe { libc::pread(self.fd, as_mut_void_ptr(buf), buf.len(), offset) };
    |                                                                            ^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/rlibc.rs:498:82
    |
498 |         let nbytes = unsafe { libc::pwrite(self.fd, as_void_ptr(buf), buf.len(), offset) };
    |                                                                                  ^^^^^^ expected i32, found i64

error[E0308]: mismatched types
   --> src/catfs/inode.rs:112:18
    |
112 |             ino: st.st_ino,
    |                  ^^^^^^^^^ expected u64, found u32
help: you can cast an `u32` to `u64`, which will zero-extend the source value
    |
112 |             ino: st.st_ino.into(),
    |                  ^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
   --> src/catfs/inode.rs:116:22
    |
116 |                 sec: st.st_atime,
    |                      ^^^^^^^^^^^ expected i64, found i32
help: you can cast an `i32` to `i64`, which will sign-extend the source value
    |
116 |                 sec: st.st_atime.into(),
    |                      ^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
   --> src/catfs/inode.rs:120:22
    |
120 |                 sec: st.st_mtime,
    |                      ^^^^^^^^^^^ expected i64, found i32
help: you can cast an `i32` to `i64`, which will sign-extend the source value
    |
120 |                 sec: st.st_mtime.into(),
    |                      ^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
   --> src/catfs/inode.rs:124:22
    |
124 |                 sec: st.st_ctime,
    |                      ^^^^^^^^^^^ expected i64, found i32
help: you can cast an `i32` to `i64`, which will sign-extend the source value
    |
124 |                 sec: st.st_ctime.into(),
    |                      ^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
   --> src/catfs/inode.rs:128:22
    |
128 |                 sec: st.st_ctime,
    |                      ^^^^^^^^^^^ expected i64, found i32
help: you can cast an `i32` to `i64`, which will sign-extend the source value
    |
128 |                 sec: st.st_ctime.into(),
    |                      ^^^^^^^^^^^^^^^^^^

error: aborting due to 22 previous errors

For more information about this error, try `rustc --explain E0308`.
error: Could not compile `catfs`.

DIR=ubuntu32
RELEASE=bionic
mkdir $DIR
sudo debootstrap --arch i386 $RELEASE $DIR http://archive.ubuntu.com/ubuntu/
sudo mount -t proc proc $DIR/proc
sudo mount -t devtmpfs dev $DIR/dev
sudo mkdur $DIR/src
sudo mount --bind $(pwd) $DIR/src
sudo setarch i386 chroot $DIR /bin/bash
apt-get install curl build-essential libfuse-dev pkg-config
curl -sSf https://static.rust-lang.org/rustup.sh | sh
cd /src
cargo build