Enable doctests in compiler/ crates #99324

reez12g · 2022-07-16T12:01:23Z

Helps with #99144

rust-highfive · 2022-07-16T12:01:26Z

(rust-highfive has picked a reviewer for you, use r? to override)

src/ci/docker/host-x86_64/x86_64-gnu-aux/Dockerfile

Mark-Simulacrum · 2022-08-21T16:46:22Z

I would like to verify that these aren't already running on other builders - at a quick look, CrateLibrustc is default enabled, so I would expect them to be...

Mark-Simulacrum · 2022-08-21T17:01:43Z

Yeah, it looks like we are?

If I look at the llvm-12 builder (after a rebase/rerun llvm-13) builder in this PR, or from a recent master merge:

2022-07-16T12:23:18.2198781Z �[0m�[0m�[1m�[32m Running�[0m unittests src/lib.rs (build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps/rustc_parse_format-d175d01f72a50abf)
2022-07-16T12:23:23.8389736Z �[0m�[0m�[1m�[32m Doc-tests�[0m rustc_parse_format

So I think we should try to understand what we're intending to add here -- @jyn514, marking as waiting on reviewer for you to confirm whether #99144 actually needs fixing.

jyn514 · 2022-09-07T03:04:57Z

Something strange is going on. https://pipelines.actions.githubusercontent.com/serviceHosts/d3b42637-680e-47c4-b396-04d4ba514549/_apis/pipelines/1/runs/64123/signedlogcontent/8?urlExpires=2022-09-07T03%3A02%3A56.8274271Z&urlSigningMethod=HMACV1&urlSignature=XpkHU6Ja%2BoIzOyGtj83HPrWJa1K0ULVXrUQCmh3Na40%3D shows doc-tests for rustc crates, but only some of them. Notably, at least rustc_borrowck is missing doctests.

Oh, it turns out all these crates set doctest = false 🤦

rust/compiler/rustc_borrowck/Cargo.toml

Line 7 in d10497b

doctest = false

@reez12g can you remove this new job, and instead remove doctest = false from all compiler/ crates, then check that the llvm-12 PR job includes "Doc-tests rustc_borrowck"?

reez12g · 2022-09-08T08:12:32Z

@jyn514
Thank you for your kind guide!
Do I just remove the doctest = false in line below?
OR change it to doctest = true? I'm not sure I can delete it.

% grep -r 'doctest = false' compiler
compiler/rustc_errors/Cargo.toml:doctest = false
compiler/rustc_resolve/Cargo.toml:doctest = false
compiler/rustc_symbol_mangling/Cargo.toml:doctest = false
compiler/rustc_query_system/Cargo.toml:doctest = false
compiler/rustc_index/Cargo.toml:doctest = false
compiler/rustc_infer/Cargo.toml:doctest = false
compiler/rustc_query_impl/Cargo.toml:doctest = false
compiler/rustc_hir/Cargo.toml:doctest = false
compiler/rustc_trait_selection/Cargo.toml:doctest = false
compiler/rustc_mir_transform/Cargo.toml:doctest = false
compiler/rustc_mir_transform/src/coverage/test_macros/Cargo.toml:doctest = false
compiler/rustc_error_messages/Cargo.toml:doctest = false
compiler/rustc_typeck/Cargo.toml:doctest = false
compiler/rustc_plugin_impl/Cargo.toml:doctest = false
compiler/rustc_data_structures/Cargo.toml:doctest = false
compiler/rustc_ast_pretty/Cargo.toml:doctest = false
compiler/rustc_attr/Cargo.toml:doctest = false
compiler/rustc_span/Cargo.toml:doctest = false
compiler/rustc_hir_pretty/Cargo.toml:doctest = false
compiler/rustc_incremental/Cargo.toml:doctest = false
compiler/rustc_mir_build/Cargo.toml:doctest = false
compiler/rustc_codegen_llvm/Cargo.toml:doctest = false
compiler/rustc_type_ir/Cargo.toml:doctest = false
compiler/rustc_const_eval/Cargo.toml:doctest = false
compiler/rustc_ast/Cargo.toml:doctest = false
compiler/rustc_metadata/Cargo.toml:doctest = false
compiler/rustc_middle/Cargo.toml:doctest = false
compiler/rustc_expand/Cargo.toml:doctest = false
compiler/rustc_monomorphize/Cargo.toml:doctest = false
compiler/rustc_parse/Cargo.toml:doctest = false
compiler/rustc_borrowck/Cargo.toml:doctest = false
compiler/rustc_mir_dataflow/Cargo.toml:doctest = false
compiler/rustc_lexer/Cargo.toml:doctest = false
compiler/rustc_ast_lowering/Cargo.toml:doctest = false
compiler/rustc_interface/Cargo.toml:doctest = false
compiler/rustc_builtin_macros/Cargo.toml:doctest = false
compiler/rustc_feature/Cargo.toml:doctest = false

jyn514 · 2022-09-08T15:31:15Z

@reez12g yes, you can just delete it :) the default is true.

rustbot · 2022-09-11T07:05:36Z

Some changes occurred to MIR optimizations

cc @rust-lang/wg-mir-opt

rustc_error_messages was changed

cc @davidtwco, @compiler-errors, @JohnTitor, @estebank, @TaKO8Ki

jyn514 · 2022-09-11T14:17:46Z

Looks like the test failure is because the doctests are now running 🎉 @reez12g can you please fix those failures? You can run them locally with the command in #99324 (comment) (replacing --stage 2 with --stage 0 for better iteration times).

Once you do that, I think is ready to merge :)

jyn514 · 2022-09-11T14:19:42Z

Oh, looks like this is still disabled for bootstrap - if it's easy to fix it would be nice to remove these too. But I won't block on that.

; git grep 'doctest = ' FETCH_HEAD
FETCH_HEAD:src/bootstrap/Cargo.toml:doctest = false
FETCH_HEAD:src/tools/rust-demangler/Cargo.toml:doctest = false

rustbot · 2022-09-16T11:11:55Z

Some changes occurred to the CTFE / Miri engine

cc @rust-lang/miri

…terpret/validity.rs

jyn514

This looks great so far :) just one question.

By the way, if this is more work than you were expecting, I'm happy to merge this for a subset of crates at first and we can fix the rest later.

compiler/rustc_borrowck/src/diagnostics/region_errors.rs

reez12g

I would appreciate it if you merge this!
It looks like there are still some doctests that need to be fixed, so I agree to merge it for now and move on.

compiler/rustc_borrowck/src/diagnostics/region_errors.rs

jyn514 · 2022-10-01T21:10:53Z

I would appreciate it if you merge this! It looks like there are still some doctests that need to be fixed, so I agree to merge it for now and move on.

For us to be able to merge this, you'll need to re-enable doctest = false for the crates you haven't fixed. Can you please do that? As a bonus, it would be extremely helpful if you could post the list of crates with doctest=false on the tracking issue.

reez12g · 2022-10-05T05:16:58Z

@rustbot ready

reez12g · 2022-10-05T05:21:45Z

@jyn514

you'll need to re-enable doctest = false for the crates you haven't fixed.

I did it.
After this PR is merged, I will create a tracking issue to clean up the rest!

jyn514 · 2022-10-06T00:08:18Z

Thanks! Please reuse #99144 for the tracking issue :)

@bors r+ rollup=iffy

bors · 2022-10-06T00:08:20Z

📌 Commit 488eb42 has been approved by jyn514

It is now in the queue for this repository.

bors · 2022-10-06T03:02:01Z

⌛ Testing commit 488eb42 with merge 0152393...

bors · 2022-10-06T05:58:21Z

☀️ Test successful - checks-actions
Approved by: jyn514
Pushing 0152393 to master...

rust-timer · 2022-10-06T07:20:08Z

Finished benchmarking commit (0152393): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean¹	range	count²
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	3.4%	[2.3%, 4.5%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.1%	[-3.0%, -1.2%]	6
All ❌✅ (primary)	-	-	0

Cycles

This benchmark run did not return any relevant results for this metric.

the arithmetic mean of the percent change ↩
number of relevant changes ↩

Enable doctests in compiler/ crates Helps with rust-lang#99144

rustbot added the T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. label Jul 16, 2022

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reez12g changed the title ~~Add test execution step to x86_64-gnu-aux~~ Enable doctest in compiler/ crates Sep 11, 2022

reez12g changed the title ~~Enable doctest in compiler/ crates~~ Enable doctests in compiler/ crates Sep 11, 2022

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reez12g added 4 commits September 29, 2022 16:49

Fix docs in compiler/rustc_builtin_macros/src/assert/context.rs

cc8f98f

Fix docs in compiler/rustc_builtin_macros/src/deriving/generic/mod.rs

73775a9

Mark ignore(illustrative) on docs in compiler/rustc_const_eval/src/in…

00612e2

…terpret/validity.rs

Fix confliction

e89fbc5

reez12g force-pushed the issue-99144 branch from 341c16b to e89fbc5 Compare September 29, 2022 07:51

jyn514 approved these changes Sep 29, 2022

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Remove 'E0312' from 'compile_fail,E0312' statement temporarily

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Temporarily reinstate doctest=false

488eb42

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reez12g deleted the issue-99144 branch October 6, 2022 08:29

Aaron1011 pushed a commit to Aaron1011/rust that referenced this pull request Jan 6, 2023

Auto merge of rust-lang#99324 - reez12g:issue-99144, r=jyn514

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Enable doctests in compiler/ crates Helps with rust-lang#99144

reez12g mentioned this pull request Jan 24, 2023

99144 enable doctests #106574

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Enable doctests in compiler/ crates #99324

Enable doctests in compiler/ crates #99324

reez12g commented Jul 16, 2022 •

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Enable doctests in compiler/ crates #99324

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Overall result: no relevant changes - no action needed

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