Missing std lib HTML docs

[Thomasdezeeuw]

Problem

Maybe its a problem with my local setup, but I've been missing the HTML docs (in .rustup/toolchains/nightly-x86_64-apple-darwin/share/doc/rust/html/index.html) since the 2020-09-11 nightly. Running rustup doc gives the following error:

error: couldn't open browser
error: caused by: command 'open' did not execute successfully; exit code: 1
command stderr:
The file /Users/thomas/.rustup/toolchains/nightly-x86_64-apple-darwin/share/doc/rust/html/index.html does not exist.

Steps

1. Update to a recent nightly, I'm using rustc 1.48.0-nightly (f3c923a13 2020-09-17).
2. Run rustup doc.

Notes

Output of rustup --version: rustup 1.22.1 (b01adbbc3 2020-07-08).
Output of rustup show:

Default host: x86_64-apple-darwin
rustup home:  /Users/thomas/.rustup

installed toolchains
--------------------

stable-x86_64-apple-darwin
nightly-2020-09-11-x86_64-apple-darwin
nightly-x86_64-apple-darwin

active toolchain
----------------

nightly-x86_64-apple-darwin (default)
rustc 1.48.0-nightly (f3c923a13 2020-09-17)

[kinnison]

If you run rustup +nightly component list --installed is the rust-docs component listed?

[Thomasdezeeuw]

rustup +nightly component list --installed

cargo-x86_64-apple-darwin
clippy-x86_64-apple-darwin
miri-x86_64-apple-darwin
rls-x86_64-apple-darwin
rust-docs-x86_64-apple-darwin
rust-src
rust-std-x86_64-apple-darwin
rustc-x86_64-apple-darwin
rustfmt-x86_64-apple-darwin

[Thomasdezeeuw]

I see its missing rust-docs, but when I do rustup component add rust-docs, I get the following:

rustup component add rust-docs
info: component 'rust-docs' for target 'x86_64-apple-darwin' is up to date

[kinnison]

The rust-docs component is arch specific, which is why it's listed as rust-docs-x86_64-apple-darwin so that's good that it's installed, but worrisome that the location isn't working, hmm

Could you please go into your .rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib directory and find the file: manifest-rust-docs-x86_64-apple-darwin and either attach it if it's big, or paste it in a comment if it's small?

Also, once you've done that, try to see if anything listed in that manifest is present on the filesystem. Paths are relative to the toolchain directory (.rustup/toolchains/nightly-...)

[Thomasdezeeuw]

manifest-rust-docs-x86_64-apple-darwin contains:

dir:share/doc/rust/html

The directory (~/.rustup/toolchains/nightly-x86_64-apple-darwin/share/doc/rust/html) exists with the following files:

Permissions Size User   Date Modified Name
.rw-r--r--  1.4M thomas 18 Sep 10:57  error-index.html
.rw-r--r--   334 thomas 18 Sep 10:57  robots.txt
drwxr-xr-x     - thomas 18 Sep 10:57  rustc

But its missing the std directory which usually contains the docs for the std lib.

[kinnison]

Interesting. @Mark-Simulacrum Do you have any insight as to why this might be happening? I think there've been changes to docs packages recently in master?

[Mark-Simulacrum]

rust-lang/rust#76884 should fix this for macOS and a few other triples.

[Thomasdezeeuw]

Docs are available again, thanks @Mark-Simulacrum @kinnison.