Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?

*** End of the template - remove these template lines ***

Filling in the gaps.

zbus is broken since a couple days: https://gitlab.gnome.org/World/Phosh/squeekboard/-/jobs/2047130

in particular, it tries to call into nix::sendmsg, but it seems sendmsg parameters have changed:

   Compiling zbus v1.9.2
error[E0308]: mismatched types
  --> /usr/share/cargo/registry/zbus-1.9.2/src/raw/socket.rs:70:13
   |
70 |             &iov,
   |             ^^^^ types differ in mutability
   |
   = note: expected mutable reference `&mut [IoSliceMut<'_>]`
                      found reference `&[IoVec<&mut [u8]>; 1]`
error[E0308]: mismatched types
  --> /usr/share/cargo/registry/zbus-1.9.2/src/raw/socket.rs:99:41
   |
99 |         match sendmsg(self.as_raw_fd(), &iov, &cmsg, MsgFlags::empty(), None) {
   |                                         ^^^^ expected slice, found array of 1 element
   |
   = note: expected reference `&[IoSlice<'_>]`
              found reference `&[IoVec<&[u8]>; 1]`
For more information about this error, try `rustc --explain E0308`.

We believe that the bug you reported is fixed in the latest version of
rust-zbus, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1012418@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Peter Michael Green <plugwash@debian.org> (supplier of updated rust-zbus package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sat, 11 Jun 2022 16:03:02 +0000
Source: rust-zbus
Architecture: source
Version: 1.9.2-2
Distribution: unstable
Urgency: medium
Maintainer: Debian Rust Maintainers <pkg-rust-maintainers@alioth-lists.debian.net>
Changed-By: Peter Michael Green <plugwash@debian.org>
Closes: 1012418
Changes:
 rust-zbus (1.9.2-2) unstable; urgency=medium
 .
   * Team upload.
   * Package zbus 1.9.2 from crates.io using debcargo 2.5.0
   * Add patch for nix 0.24 (Closes: 1012418)
Checksums-Sha1:
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 4af484d749f5dd7b346b2283891b825e7e294bba 4876 rust-zbus_1.9.2-2.debian.tar.xz
 aa7e3c9c21d25b52c50ee212bc966ad190b54c52 10377 rust-zbus_1.9.2-2_source.buildinfo
Checksums-Sha256:
 10b66cb5e8371347f8c066dcd90166506a7dd87387627989f810fc3effc1a106 2999 rust-zbus_1.9.2-2.dsc
 5da4c077ebab4db2427341b0c4cf1388b670a2ac4483fd315de242fdc28bf5e0 4876 rust-zbus_1.9.2-2.debian.tar.xz
 8263db22ab84e30f5c86921895c6e5c3f70d14cce690480d62235121417409db 10377 rust-zbus_1.9.2-2_source.buildinfo
Files:
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 c8150ae37040405c47f81383061476bc 4876 rust optional rust-zbus_1.9.2-2.debian.tar.xz
 55c155ce2019af9e00cd68d1da72c73b 10377 rust optional rust-zbus_1.9.2-2_source.buildinfo
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