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grant123
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PostPosted: Sun Sep 09, 2018 1:43 pm    Post subject: cargo fails to compile with 'impl Trait' error Reply with quote

[Moderator note: the first two posts in this thread were originally one thread; the second three were originally a separate thread. All posts after those 5 were made after the threads were merged. -Hu]

dev-util/cargo-0.29.0 fails to compile with:

`impl Trait` in return position is experimental (see issue #34511)

Anybody else seeing this?
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fedeliallalinea
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PostPosted: Sun Sep 09, 2018 2:00 pm    Post subject: Reply with quote

Bug, unmask virtual/rust-1.28.0 for solve problem
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v_andal
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PostPosted: Sun Sep 09, 2018 3:03 pm    Post subject: dev-util/cargo-0.29.0 fails to compile Reply with quote

I've tried to run update today and got problem with dev-util/cargo-0.29.0. It refuses to compile.

Here's what I get:

Code:

   Compiling cargo v0.29.0 (file:///var/tmp/portage/dev-util/cargo-0.29.0/work/cargo-0.29.0)
error[E0658]: `impl Trait` in return position is experimental (see issue #34511)
   --> src/cargo/core/resolver/types.rs:209:37
    |
209 |     pub fn flatten<'s>(&'s self) -> impl Iterator<Item=(&PackageId, Dependency)> + 's {
    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
   --> src/cargo/lib.rs:172:30
    |
172 |         for err in cargo_err.causes().skip(1) {
    |                              ^^^^^^
    |
    = note: #[warn(deprecated)] on by default

warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
   --> src/cargo/lib.rs:178:30
    |
178 |         for err in cargo_err.causes().skip(1) {
    |                              ^^^^^^

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
  --> src/cargo/core/compiler/build_plan.rs:87:17
   |
87 |                 Some(s) => s,
   |                 ^^^^^^^ help: consider using a reference: `&Some(s)`

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
  --> src/cargo/core/compiler/build_plan.rs:88:17
   |
88 |                 None => continue,
   |                 ^^^^ help: consider using a reference: `&None`

warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
   --> src/cargo/core/compiler/fingerprint.rs:682:21
    |
682 |     for cause in ce.causes().skip(1) {
    |                     ^^^^^^

error[E0658]: use of unstable library feature 'box_leak': needs an FCP to stabilize (see issue #46179)
  --> src/cargo/core/interning.rs:13:5
   |
13 |     Box::leak(s.into_boxed_str())
   |     ^^^^^^^^^

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
   --> src/cargo/core/resolver/context.rs:406:13
    |
406 |             FeatureValue::Feature(feat) => self.require_feature(feat.as_str()),
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&FeatureValue::Feature(feat)`

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
   --> src/cargo/core/resolver/context.rs:407:13
    |
407 |             FeatureValue::Crate(dep) => Ok(self.require_dependency(dep.as_str())),
    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&FeatureValue::Crate(dep)`

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
   --> src/cargo/core/resolver/context.rs:408:13
    |
408 |             FeatureValue::CrateFeature(dep, dep_feat) => {
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&FeatureValue::CrateFeature(dep, dep_feat)`

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
   --> src/cargo/ops/cargo_test.rs:158:13
    |
158 |           let Doctest {
    |  _____________^
159 | |             package,
160 | |             target,
161 | |             deps,
162 | |         } = doctest_info;
    | |_________^
help: consider using a reference
    |
158 |         let &Doctest {
159 |             package,
160 |             target,
161 |             deps,
162 |         } = doctest_info;
    |

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
   --> src/cargo/util/config.rs:805:13
    |
805 |             ConfigKeyPart::Part(s) => s.replace("-", "_").to_uppercase(),
    |             ^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&ConfigKeyPart::Part(s)`

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
   --> src/cargo/util/config.rs:806:13
    |
806 |             ConfigKeyPart::CasePart(s) => s.clone(),
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&ConfigKeyPart::CasePart(s)`

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
   --> src/cargo/util/config.rs:812:13
    |
812 |             ConfigKeyPart::Part(s) => s.clone(),
    |             ^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&ConfigKeyPart::Part(s)`

error[E0658]: non-reference pattern used to match a reference (see issue #42640)
   --> src/cargo/util/config.rs:813:13
    |
813 |             ConfigKeyPart::CasePart(s) => s.clone(),
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a reference: `&ConfigKeyPart::CasePart(s)`

warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
   --> src/cargo/util/config.rs:924:14
    |
924 |             .causes()
    |              ^^^^^^

warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
  --> src/cargo/util/errors.rs:59:20
   |
59 |         self.inner.cause().cause()
   |                    ^^^^^

warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
  --> src/cargo/util/network.rs:10:18
   |
10 |     for e in err.causes() {
   |                  ^^^^^^

error: aborting due to 12 previous errors

error: Could not compile `cargo`.



As far as I understand, this is needed to build newer version of firefox. Any recommendations?
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paluszak
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PostPosted: Sun Sep 09, 2018 3:08 pm    Post subject: Reply with quote

Same here... Seems we hit this bug. I masked dev-util/cargo-0.29.0 as a temporary fix.
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fedeliallalinea
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PostPosted: Sun Sep 09, 2018 3:10 pm    Post subject: Reply with quote

Duplicate of https://forums.gentoo.org/viewtopic-t-1086258-highlight-cargo.html .
Unmask virtual/rust-1.28.0 update virtual/rust, dev-lang/rust and dev-lang/rust-bin with eselect set rust 1.28 and the update cargo
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PostPosted: Mon Sep 10, 2018 5:42 am    Post subject: Reply with quote

Problem solved
Code:
commit abfc0a24982b42b8f7bb82fd1f3acd5302949343
Author: Mikle Kolyada <zlogene@gentoo.org>
Date:   Sun Sep 9 18:25:44 2018 +0300

    virtual/rust: amd64 stable wrt bug #662904
   
    Package-Manager: Portage-2.3.40, Repoman-2.3.9

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grant123
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PostPosted: Mon Sep 10, 2018 1:59 pm    Post subject: Reply with quote

Should be fixed in the tree? Still failing here.
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fedeliallalinea
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PostPosted: Mon Sep 10, 2018 2:14 pm    Post subject: Reply with quote

grant123 wrote:
Should be fixed in the tree? Still failing here.

Yes, but you can check if virtual/rust-1.28.0 is stable now
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PostPosted: Mon Sep 10, 2018 5:28 pm    Post subject: Reply with quote

I still can't get past cargo to get at firefox. My build log and emerge info, and also current versions of rust and cargo: https://gist.github.com/Pistos/608f6dc2adc0366d152c6a55f777913f
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fedeliallalinea
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PostPosted: Mon Sep 10, 2018 5:41 pm    Post subject: Reply with quote

Try with
Code:
# emerge -u dev-lang/rust-bin
# eselect rust set rust-1.28.0
#  emerge -u =cargo-0.29.0

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Pistos
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PostPosted: Tue Sep 11, 2018 1:09 am    Post subject: Reply with quote

@fedeliallalinea Turns out I needed to depclean first. Had rust-1.25.0 installed, and I think that was the one that was causing the problems.
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fedeliallalinea
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PostPosted: Tue Sep 11, 2018 5:41 am    Post subject: Reply with quote

Pistos wrote:
@fedeliallalinea Turns out I needed to depclean first. Had rust-1.25.0 installed, and I think that was the one that was causing the problems.

If you use eselect for set rust-1.28 you can depclean after update
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erg_samowzbudnik
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PostPosted: Mon Sep 24, 2018 10:10 am    Post subject: Reply with quote

What fixed it for me was to recompile those rust packages and 'eselect rust set rust-bin-1.28.0' rather than rust
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