[Pkg-rust-maintainers] Bug#948647: rust-backtrace depends on non-existent librust-compiler-builtins

Steve Langasek steve.langasek at canonical.com
Sat Jan 11 07:08:03 GMT 2020

Source: rust-backtrace
Version: 0.3.40-2
Severity: serious
User: ubuntu-devel at lists.ubuntu.com
Usertags: origin-ubuntu focal

Dear mainatiners,

The rust-backtrace package in unstable is not able to migrate to testing
because it builds binary packages that depend on a non-existent

$ sudo apt install librust-backtrace+compiler-builtins-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 librust-backtrace+compiler-builtins-dev : Depends: librust-compiler-builtins-0.1+default-dev (>= 0.1.2-~~) but it is not installable
E: Unable to correct problems, you have held broken packages.

There is no rust-compiler-builtins package in the Debian archive or in the
NEW queue.  And if this is because they are supposed to be /built in/, well,
it doesn't appear that there's agreement with the compiler packaging about
what Provides should exist.

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                   https://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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