[Pkg-rust-maintainers] Bug#819475: rustc not run depend on gcc 4.9.2

[wanglihe]

Package: rustc
Version: 1.7.0+dfsg1-1
Severity: important

Dear Maintainer,

I added testing repo and just   apt install rustc, so the gcc tool chain
remain at 4.9.2, and rustc can not compile any source code with error
about cc, after I update gcc, the problem resolved.



-- System Information:
Debian Release: 8.3
  APT prefers testing
  APT policy: (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.3.0-0.bpo.1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages rustc depends on:
ii  gcc                   4:5.3.1-1
ii  libc6                 2.19-18+deb8u3
ii  libc6-dev [libc-dev]  2.19-18+deb8u3
ii  libstd-rust-dev       1.7.0+dfsg1-1

Versions of packages rustc recommends:
ii  rust-gdb  1.7.0+dfsg1-1

Versions of packages rustc suggests:
pn  rust-doc  <none>

-- debconf information:
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^(.*?)(\\)?\${ <-- HERE ([^{}]+)}(.*)$/ at /usr/share/perl5/Debconf/Question.pm line 72.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\${ <-- HERE ([^}]+)}/ at /usr/share/perl5/Debconf/Config.pm line 30.