[Pkg-rust-maintainers] Bug#1012418: librust-zbus-dev: Broken with nix 0.24.1

[Dorota Czaplejewicz]

Filling in the gaps.

On Mon, 06 Jun 2022 18:23:39 +0000
dcz <dorota.czaplejewicz at puri.sm> wrote:

> Package: librust-zbus-dev
> Version: 1.9.2-1
> Severity: grave
> Justification: renders package unusable
> 
> Dear Maintainer,
> 

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`.
> 
> 
> -- System Information:
> Debian Release: bookworm/sid
>   APT prefers unstable
>   APT policy: (500, 'unstable')
> Architecture: amd64 (x86_64)
> 
> Kernel: Linux 5.17.5-200.fc35.x86_64 (SMP w/2 CPU threads; PREEMPT)
> Kernel taint flags: TAINT_WARN
> Locale: LANG=C, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
> Shell: /bin/sh linked to /bin/dash
> Init: unable to detect
> 
> Versions of packages librust-zbus-dev depends on:
> pn  librust-async-io-1+default-dev         <none>
> pn  librust-byteorder-1+default-dev        <none>
> pn  librust-derivative-2+default-dev       <none>
> pn  librust-enumflags2-0.6+default-dev     <none>
> pn  librust-enumflags2-0.6+serde-dev       <none>
> pn  librust-fastrand-1+default-dev         <none>
> pn  librust-futures-0.3+default-dev        <none>
> pn  librust-nb-connect-1+default-dev       <none>
> pn  librust-nix+default-dev                <none>
> pn  librust-once-cell-1+default-dev        <none>
> pn  librust-polling-2+default-dev          <none>
> pn  librust-scoped-tls-1+default-dev       <none>
> pn  librust-serde-1+default-dev            <none>
> pn  librust-serde-1+derive-dev             <none>
> pn  librust-serde-repr-0.1+default-dev     <none>
> pn  librust-serde-xml-rs-0.4+default-dev   <none>
> pn  librust-zbus-macros-1.9.2+default-dev  <none>
> pn  librust-zvariant-2+enumflags2-dev      <none>
> 
> librust-zbus-dev recommends no packages.
> 
> librust-zbus-dev suggests no packages.

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