Version increment script fails in release pipeline (in some cases)

[danieljurek]

Successful run from 0.10.0 release: https://dev.azure.com/azure-sdk/internal/_build/results?buildId=5549371&view=logs&j=983de018-d6c9-51e9-34e4-c14aede3f05f&t=cd2b3713-fe62-562d-fea3-2eed2738fc16

Getting package properties for typespec in core.
cargo metadata --format-version 1 --no-deps
Command succeeded (00:00:00.0806596)

Found package:
  Name: typespec
  Version: 0.10.0
  Directory: /mnt/vss/_work/1/s/sdk/core/typespec
  ChangeLogPath: /mnt/vss/_work/1/s/sdk/core/typespec/CHANGELOG.md
Updating changelog for typespec in core.
[debug]The latest release note entry in the changelog is for version [0.10.0]
[debug]Adding new ChangeLog entry for Version [0.11.0]
Updated version in /mnt/vss/_work/1/s/sdk/core/typespec/Cargo.toml from 0.10.0 to 0.11.0.
Updaging dependencies in Cargo.toml files.
> cargo +nightly -Zscript '/mnt/vss/_work/1/s/eng/scripts/update-pathversions.rs' update
Command succeeded (00:00:06.8785636)

Updating Cargo.lock using 'cargo update --workspace'.
> cargo update --workspace
    Updating crates.io index
     Locking 1 package to latest compatible version
    Updating typespec v0.10.0 (/mnt/vss/_work/1/s/sdk/core/typespec) -> v0.11.0
note: pass `--verbose` to see 143 unchanged dependencies behind latest
Command succeeded (00:00:00.8868786)

Failed run from 0.10.1 release: https://dev.azure.com/azure-sdk/internal/_build/results?buildId=5554509&view=logs&j=983de018-d6c9-51e9-34e4-c14aede3f05f&t=cd2b3713-fe62-562d-fea3-2eed2738fc16

Getting package properties for typespec in core.
cargo metadata --format-version 1 --no-deps
Command succeeded (00:00:00.0836809)

Found package:
  Name: typespec
  Version: 0.10.1
  Directory: /mnt/vss/_work/1/s/sdk/core/typespec
  ChangeLogPath: /mnt/vss/_work/1/s/sdk/core/typespec/CHANGELOG.md
Updating changelog for typespec in core.
[debug]The latest release note entry in the changelog is for version [0.10.1]
[debug]Adding new ChangeLog entry for Version [0.11.0]
Updated version in /mnt/vss/_work/1/s/sdk/core/typespec/Cargo.toml from 0.10.1 to 0.11.0.
Updaging dependencies in Cargo.toml files.
> cargo +nightly -Zscript '/mnt/vss/_work/1/s/eng/scripts/update-pathversions.rs' update
Command succeeded (00:00:07.2447215)

Updating Cargo.lock using 'cargo update --workspace'.
> cargo update --workspace
    Updating crates.io index
error: failed to select a version for the requirement `typespec = "^0.10.1"`
candidate versions found which didn't match: 0.11.0
location searched: /mnt/vss/_work/1/s/sdk/core/typespec
required by package `typespec_client_core v0.9.1 (/mnt/vss/_work/1/s/sdk/core/typespec_client_core)`
##[error]Command failed to execute (00:00:00.0832593): cargo update --workspace

[danieljurek]

Current investigation: Running the update-pathversions.rs updates the root Cargo.toml file and, for some reason, sets the version of relevant core packages from 0.30.1 to 0.30.0

Additional logging suggests that some loop is not exiting properly:

...
Processing "/home/djurek/azure-sdk-for-rust/fix-ci-params/sdk/eventhubs/azure_messaging_eventhubs/Cargo.toml"
  azure_core in dependencies: 0.30.0 -> 0.29.1
  azure_core in dependencies: 0.29.1 -> 0.30.1
  azure_core in dependencies: 0.30.1 -> 0.30.0
  azure_core in dependencies: 0.30.0 -> 0.29.1
  azure_core in dependencies: 0.29.1 -> 0.29.0
  azure_core in dependencies: 0.29.0 -> 0.30.0
  azure_core in dependencies: 0.30.0 -> 0.29.1
  azure_core in dependencies: 0.29.1 -> 0.30.0
  azure_core in dependencies: 0.30.0 -> 0.29.1
  azure_core in dependencies: 0.29.1 -> 0.30.0
...