cosmic-epoch compile fails on cosmic-initial-setup build

[steveo314]

Does cosmic need a specific version of Rust right now?

I am on Ubuntu 25.10 using Rust version 1.93.0

   Compiling itertools v0.14.0
   Compiling blowfish v0.7.0
   Compiling iced v0.14.0-dev (https://github.com/pop-os/libcosmic.git#0e797b24)
   Compiling hmac v0.10.1
   Compiling input v0.9.1
   Compiling cosmic-dbus-networkmanager v0.1.0 (https://github.com/pop-os/dbus-settings-bindings#3b869843)
error[E0599]: no method named `source_file` found for struct `proc_macro::Span` in the current scope
   --> /home/steve/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/crabtime-internal-1.1.3/src/lib.rs:379:64
    |
379 |         let mut call_site_path = proc_macro::Span::call_site().source_file().path();
    |                                                                ^^^^^^^^^^^
    |
help: there is a method `source` with a similar name
    |
379 -         let mut call_site_path = proc_macro::Span::call_site().source_file().path();
379 +         let mut call_site_path = proc_macro::Span::call_site().source().path();
    |

error[E0282]: type annotations needed
   --> /home/steve/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/crabtime-internal-1.1.3/src/lib.rs:406:34
    |
406 |             Ok(relative_path) => relative_path.to_path_buf(),
    |                                  ^^^^^^^^^^^^^ cannot infer type

   Compiling kdl v6.5.0
Some errors have detailed explanations: E0282, E0599.
For more information about an error, try `rustc --explain E0282`.
error: could not compile `crabtime-internal` (lib) due to 2 previous errors
warning: build failed, waiting for other jobs to finish...
error: Recipe `build-debug` failed on line 9 with exit code 101
error: Recipe `build-release` failed on line 33 with exit code 101
error: Recipe `build` failed on line 15 with exit code 101

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Had to downgrade to 1.88