async-std feature flag doesn't disable after removing the feature flag

[Redhawk18]

error[E0252]: the name `AsyncReadExt` is defined multiple times
  --> /home/redhawk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ashpd-0.10.2/src/desktop/secret.rs:28:13
   |
26 | use futures_util::AsyncReadExt;
   |     -------------------------- previous import of the trait `AsyncReadExt` here
27 | #[cfg(feature = "tokio")]
28 | use tokio::{io::AsyncReadExt, io::AsyncWriteExt, net::UnixStream};
   |             ^^^^^^^^^^^^^^^^ `AsyncReadExt` reimported here
   |
   = note: `AsyncReadExt` must be defined only once in the type namespace of this module
help: you can use `as` to change the binding name of the import
   |
28 | use tokio::{io::AsyncReadExt as OtherAsyncReadExt, io::AsyncWriteExt, net::UnixStream};
   |                              ++++++++++++++++++++

error[E0252]: the name `UnixStream` is defined multiple times
  --> /home/redhawk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ashpd-0.10.2/src/desktop/secret.rs:28:50
   |
24 | use async_net::{unix::UnixStream, Shutdown};
   |                 ---------------- previous import of the type `UnixStream` here
...
28 | use tokio::{io::AsyncReadExt, io::AsyncWriteExt, net::UnixStream};
   |                                                  ^^^^^^^^^^^^^^^ `UnixStream` reimported here
   |
   = note: `UnixStream` must be defined only once in the type namespace of this module
help: you can use `as` to change the binding name of the import
   |
28 | use tokio::{io::AsyncReadExt, io::AsyncWriteExt, net::UnixStream as OtherUnixStream};
   |                                                                  ++++++++++++++++++

error[E0252]: the name `File` is defined multiple times
 --> /home/redhawk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ashpd-0.10.2/src/helpers.rs:6:13
  |
2 | use async_fs::File;
  |     -------------- previous import of the type `File` here
...
6 | use tokio::{fs::File, io::AsyncReadExt};
  |             ^^^^^^^^ `File` reimported here
  |
  = note: `File` must be defined only once in the type namespace of this module
help: you can use `as` to change the binding name of the import
  |
6 | use tokio::{fs::File as OtherFile, io::AsyncReadExt};
  |                      ++++++++++++

error[E0252]: the name `AsyncReadExt` is defined multiple times
 --> /home/redhawk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ashpd-0.10.2/src/helpers.rs:6:23
  |
4 | use futures_util::AsyncReadExt;
  |     -------------------------- previous import of the trait `AsyncReadExt` here
5 | #[cfg(feature = "tokio")]
6 | use tokio::{fs::File, io::AsyncReadExt};
  |                       ^^^^^^^^^^^^^^^^ `AsyncReadExt` reimported here
  |
  = note: `AsyncReadExt` must be defined only once in the type namespace of this module
help: you can use `as` to change the binding name of the import
  |
6 | use tokio::{fs::File, io::AsyncReadExt as OtherAsyncReadExt};
  |                                        ++++++++++++++++++++

error: You can't enable both async-std & tokio features at once
  --> /home/redhawk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ashpd-0.10.2/src/lib.rs:10:1
   |
10 | compile_error!("You can't enable both async-std & tokio features at once");
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

   Compiling glyphon v0.5.0 (https://github.com/hecrj/glyphon.git?rev=09712a70df7431e9a3b1ac1bbd4fb634096cb3b4#09712a70)
   Compiling async-lsp v0.2.1
error[E0061]: this method takes 1 argument but 0 arguments were supplied
   --> /home/redhawk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ashpd-0.10.2/src/desktop/secret.rs:102:12
    |
102 |         x2.shutdown().await?;
    |            ^^^^^^^^-- argument #1 of type `Shutdown` is missing
    |
note: method defined here
   --> /home/redhawk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/async-net-2.0.0/src/unix.rs:345:12
    |
345 |     pub fn shutdown(&self, how: Shutdown) -> io::Result<()> {
    |            ^^^^^^^^
help: provide the argument
    |
102 |         x2.shutdown(/* Shutdown */).await?;
    |                    ~~~~~~~~~~~~~~~~

error[E0277]: `std::result::Result<(), std::io::Error>` is not a future
   --> /home/redhawk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ashpd-0.10.2/src/desktop/secret.rs:102:23
    |
102 |         x2.shutdown().await?;
    |                      -^^^^^
    |                      ||
    |                      |`std::result::Result<(), std::io::Error>` is not a future
    |                      help: remove the `.await`
    |
    = help: the trait `futures_util::Future` is not implemented for `std::result::Result<(), std::io::Error>`
    = note: std::result::Result<(), std::io::Error> must be a future or must implement `IntoFuture` to be awaited
    = note: required for `std::result::Result<(), std::io::Error>` to implement `std::future::IntoFuture`

rfd = { version = "0.15", default-features = false, features = [ "xdg-portal", "tokio"]}

[leo030303]

The build error should be fixed in 0.15.3, I had the same issue and it builds fine now