[Pkg-rust-maintainers] Bug#959549: qwertone: FTBFS: dh_auto_test: error: /usr/share/cargo/bin/cargo build returned exit code 101

[Lucas Nussbaum]

Source: qwertone
Version: 0.2.0-3
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20200501 ftbfs-bullseye

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

Relevant part (hopefully):
> dpkg-buildpackage
> -----------------
> 
> Command: dpkg-buildpackage -us -uc -sa -rfakeroot
> dpkg-buildpackage: info: source package qwertone
> dpkg-buildpackage: info: source version 0.2.0-3
> dpkg-buildpackage: info: source distribution unstable
> dpkg-buildpackage: info: source changed by Andrej Shadura <andrewsh at debian.org>
>  dpkg-source --before-build .
> dpkg-buildpackage: info: host architecture amd64
>  debian/rules clean
> dh clean --buildsystem cargo
>    dh_auto_clean -O--buildsystem=cargo
> debian cargo wrapper: options, profiles, parallel: ['parallel=4'] [] ['-j4']
> debian cargo wrapper: rust_type, gnu_type: x86_64-unknown-linux-gnu, x86_64-linux-gnu
> debian cargo wrapper: running subprocess (['env', 'RUST_BACKTRACE=1', '/usr/bin/cargo', 'clean', '--verbose', '--verbose'],) {'check': True}
>    dh_autoreconf_clean -O--buildsystem=cargo
>    dh_clean -O--buildsystem=cargo
>  dpkg-source -b .
> dpkg-source: info: using source format '3.0 (quilt)'
> dpkg-source: info: building qwertone using existing ./qwertone_0.2.0.orig.tar.xz
> dpkg-source: info: using patch list from debian/patches/series
> dpkg-source: info: building qwertone in qwertone_0.2.0-3.debian.tar.xz
> dpkg-source: info: building qwertone in qwertone_0.2.0-3.dsc
>  debian/rules binary
> dh binary --buildsystem cargo
>    dh_update_autotools_config -O--buildsystem=cargo
>    dh_autoreconf -O--buildsystem=cargo
>    dh_auto_configure -O--buildsystem=cargo
> debian cargo wrapper: options, profiles, parallel: ['parallel=4'] [] ['-j4']
> debian cargo wrapper: rust_type, gnu_type: x86_64-unknown-linux-gnu, x86_64-linux-gnu
> debian cargo wrapper: linking /usr/share/cargo/registry/* into /<<PKGBUILDDIR>>/debian/cargo_registry/
>    dh_auto_build -O--buildsystem=cargo
>    dh_auto_test -O--buildsystem=cargo
> debian cargo wrapper: options, profiles, parallel: ['parallel=4'] [] ['-j4']
> debian cargo wrapper: rust_type, gnu_type: x86_64-unknown-linux-gnu, x86_64-linux-gnu
> debian cargo wrapper: running subprocess (['env', 'RUST_BACKTRACE=1', '/usr/bin/cargo', '-Zavoid-dev-deps', 'build', '--verbose', '--verbose', '-j4', '--target', 'x86_64-unknown-linux-gnu'],) {}
> error: failed to select a version for the requirement `crossbeam-channel = "^0.3"`
>   candidate versions found which didn't match: 0.4.2
>   location searched: directory source `/<<PKGBUILDDIR>>/debian/cargo_registry` (which is replacing registry `https://github.com/rust-lang/crates.io-index`)
> required by package `qwertone v0.1.0 (/<<PKGBUILDDIR>>)`
> perhaps a crate was updated and forgotten to be re-vendored?
> dh_auto_test: error: /usr/share/cargo/bin/cargo build returned exit code 101

The full build log is available from:
   http://qa-logs.debian.net/2020/05/01/qwertone_0.2.0-3_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.