Re: rust-tempfile-3 update to 3.2.0 breaks sequoia build

[Nicolas Goaziou <mail@nicolasgoaziou.fr>]

Hello,

Hartmut Goebel <h.goebel@crazy-compilers.com> writes:

> building sequoia is currently broken in master with
> "syn::export::ToTokens" not found.
>
> I tracked this down to 6513650d40f74 "gnu: rust-tempfile-3: Update to
> 3.2.0." (2021-02-16). The updated package also updates some
> dependency-requirements: cfg-if 0.1 -> 1, rand 0.7 -> 0.8 and
> redox-syscall 0.1 -> 0.2.
>
> While in theory - according to semantic versioning -, updating 3.1.x to
> 3.2.x should not any effect on others packages, this updates has :-(

Ouch :(

> I tried building with rust-tempfile-3.1, with no success - this fails
> with "rand::rngs::OsRng" missing. Updating rust-rand-core-0.6 to 0.6.2
> (since 0.6.1 was yanked), did not help either - then I gave up.

I confirm this.

> Any ideas how to make sequoia build again?

Not really. Is it possible to upgrade it to a more recent commit? I see
that Cargo.lock references tempfile 3.2.0 in HEAD.

Regards,
-- 
Nicolas Goaziou