ncspot fails to build on ubuntu: error[E0658]: arbitrary expressions in key-value attributes are unstable

[Twonkular]

ncspot build fails on ubuntu. (Apologies if I am missing something obvious, I am new to Rust)

Rust version (latest, i believe):

• rustc 1.58.0-nightly (936238a92 2021-11-11)
• cargo 1.58.0-nightly (2e2a16e98 2021-11-08)

System:

• OS: Ubuntu 20.04.3 LTS x86_64
• Terminal: gnome-terminal
• Version: 0.9.0 main branch
• Installed from: cargo

running cargo build --locked produces:

log:
error[E0658]: arbitrary expressions in key-value attributes are unstable
--> /root/.cargo/registry/src/github.aaakk.us.kg-1ecc6299db9ec823/rspotify-model-0.11.2/src/idtypes.rs:284:21
|
284 | #[doc = concat!(
| ^
285 | | "ID of type [Type::", stringify!($type), "], made up of only
286 | | alphanumeric characters. Refer to the [module-level
287 | | docs][crate::idtypes] for more information.")
| |________________________________________^
...
413 | / define_idtypes!(
414 | | Artist => ArtistId,
415 | | Album => AlbumId,
416 | | Track => TrackId,
... |
419 | | Episode => EpisodeId
420 | | );
| |- in this macro invocation
|
= note: see issue #78835 rust-lang/rust#78835 for more information
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

Compiling cookie_store v0.15.0
Compiling wasmer_enumset v1.0.1
error: aborting due to previous error

For more information about this error, try rustc --explain E0658.
error: could not compile rspotify-model

To learn more, run the command again with --verbose.
warning: build failed, waiting for other jobs to finish...
error: build failed

Additional info:

see issue #78835 rust-lang/rust#78835 for more information

suggests this issue is resolved. But maybe I am misunderstanding.

[hrkfdn]

Hmm, it works fine with Rust stable 1.56.1 here. Can you try with the latest stable version?

[snusmu]

getting same issue with rust 1.53 / cargo 1.53 in Ubuntu 20

[snusmu]

Update: after uninstalling the ubuntu's default rust/cargo and instead installing latest stable rust/cargo 1.57 using rustup (rustup itself was installed with snap), build succeeded.

[hrkfdn]

In any case this would a problem with rspotify, a library that ncspot uses, but it seems to be fine when using the latest stable compiler, so closing this. Feel free to reopen if it's still an issue.