Can't both generate workspace documentation and open it

[loganmzz]

Description

Running cargo doc --all --open results in error: Passing multiple packages and `open` is not supported

Workaround

cargo clean
cargo doc --all
cargo doc --open # Refresh root crate but leave existing one

[stale]

As there hasn't been any activity here in over 6 months I've marked this as stale and if no further activity happens for 7 days I will close it.

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• Is this still relevant?
• If so, what is blocking it?
• Is it known what could be done to help move this forward?

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[dwijnand]

To me it looks like the workaround no longer works:

$ cargo doc --open
    Finished dev [unoptimized + debuginfo] target(s) in 0.03s
error: Passing multiple packages and `open` is not supported.
Please re-run this command with `-p <spec>` where `<spec>` is one of the following:
  adder
  add-one

(using the example workspace from https://doc.rust-lang.org/book/second-edition/ch14-03-cargo-workspaces.html)