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Merged
weihanglo merged 1 commit into from
Jul 18, 2026
+38 −40
Merged

rustdoc: rename the doc parts metadata params #17234

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2 changes: 1 addition & 1 deletion src/compiler/compilation.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,7 @@ pub struct Compilation<'gctx> {
/// Libraries to test with rustdoc.
pub to_doc_test: Vec<Doctest>,

/// Rustdoc fingerprint files to determine whether we need to run `rustdoc --merge=finalize`.
/// Rustdoc fingerprint files to determine whether we need to run `rustdoc --read-doc-meta-dir`.
///
/// See `-Zrustdoc-mergeable-info` for more.
pub rustdoc_fingerprints: Option<HashMap<CompileKind, RustdocFingerprint>>,
Expand Down
6 changes: 3 additions & 3 deletions src/compiler/fingerprint/rustdoc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -103,10 +103,10 @@ impl RustdocFingerprint {
///
/// The closure will run before persisting the fingerprint,
/// and will be given a list of doc parts directories for passing to
/// `rustdoc --include-parts-dir`.
/// `rustdoc --read-doc-meta-dir`.
pub fn persist<F>(&self, exec: F) -> CargoResult<()>
where
// 1. paths for `--include-parts-dir`
// 1. paths for `--read-doc-meta-dir`
F: Fn(&[&Path]) -> CargoResult<()>,
{
// Dedupe crate with the same name by file stem (which is effectively crate name),
Expand Down Expand Up @@ -139,7 +139,7 @@ impl RustdocFingerprint {
let mut doc_parts: Vec<_> = dedup_map.into_values().collect();
doc_parts.sort_unstable();

// Prepare args for `rustdoc --include-parts-dir`
// Prepare args for `rustdoc --read-doc-meta-dir`
let doc_parts_dirs: Vec<_> = doc_parts.iter().map(|p| p.parent().unwrap()).collect();
exec(&doc_parts_dirs)?;

Expand Down
3 changes: 1 addition & 2 deletions src/compiler/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -915,8 +915,7 @@ fn prepare_rustdoc(build_runner: &BuildRunner<'_, '_>, unit: &Unit) -> CargoResu
if build_runner.bcx.gctx.cli_unstable().rustdoc_mergeable_info {
// write out mergeable data to be imported
rustdoc.arg("-Zunstable-options");
rustdoc.arg("--merge=none");
let mut arg = OsString::from("--parts-out-dir=");
let mut arg = OsString::from("--write-doc-meta-dir=");
// `-Zrustdoc-mergeable-info` always uses the new layout.
arg.push(build_runner.files().out_dir_new_layout(unit));
rustdoc.arg(arg);
Expand Down
5 changes: 2 additions & 3 deletions src/ops/cargo_doc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -157,10 +157,9 @@ fn merge_cross_crate_info(ws: &Workspace<'_>, compilation: &Compilation<'_>) ->
cmd.retry_with_argfile(true);
cmd.arg("-o")
.arg(rustdoc_artifact_dir.as_path_unlocked())
.arg("-Zunstable-options")
.arg("--merge=finalize");
.arg("-Zunstable-options");
for parts_dir in doc_parts_dirs {
let mut include_arg = OsString::from("--include-parts-dir=");
let mut include_arg = OsString::from("--read-doc-meta-dir=");
include_arg.push(parts_dir);
cmd.arg(include_arg);
}
Expand Down
62 changes: 31 additions & 31 deletions tests/testsuite/doc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3249,13 +3249,13 @@ fn mergeable_info_with_deps() {
[LOCKING] 1 package to latest compatible version
[DOCUMENTING] dep v0.0.0 ([ROOT]/foo/dep)
[CHECKING] dep v0.0.0 ([ROOT]/foo/dep)
[RUNNING] `rustdoc [..]--crate-name dep [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name dep [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]`
[RUNNING] `rustc --crate-name dep [..]`
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo)
[RUNNING] `rustdoc [..]--crate-name foo [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out[..]`
[RUNNING] `rustdoc [..]--crate-name foo [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out[..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 2 docs for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/foo/index.html

Expand Down Expand Up @@ -3310,10 +3310,10 @@ fn mergeable_info_no_deps() {
[CHECKING] dep v0.0.0 ([ROOT]/foo/dep)
[RUNNING] `rustc --crate-name dep --edition=2015 [..]`
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo)
[RUNNING] `rustdoc [..]--crate-name foo [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/foo/index.html

Expand Down Expand Up @@ -3376,14 +3376,14 @@ fn mergeable_info_workspace() {
[DOCUMENTING] dep v0.0.0 ([ROOT]/foo/dep)
[CHECKING] dep v0.0.0 ([ROOT]/foo/dep)
[DOCUMENTING] bar v0.0.0 ([ROOT]/foo/bar)
[RUNNING] `rustdoc [..]--crate-name dep [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name bar [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/bar-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name dep [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name bar [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/bar-[HASH]/out [..]`
[RUNNING] `rustc --crate-name dep [..]`
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo/foo)
[RUNNING] `rustdoc [..]--crate-name foo [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 3 docs for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/bar-[HASH]/out --include-parts-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/bar-[HASH]/out --read-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/bar/index.html
[GENERATED] [ROOT]/foo/target/doc/dep/index.html
Expand Down Expand Up @@ -3443,13 +3443,13 @@ fn mergeable_info_multi_targets() {
.with_stderr_data(
str![[r#"
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo)
[RUNNING] `rustdoc [..]--crate-name foo src/lib.rs --target [HOST_TARGET] [..]--merge=none --parts-out-dir=[ROOT]/foo/target/[HOST_TARGET]/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo src/lib.rs --target [ALT_TARGET] [..]--merge=none --parts-out-dir=[ROOT]/foo/target/[ALT_TARGET]/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo src/lib.rs --target [HOST_TARGET] [..]--write-doc-meta-dir=[ROOT]/foo/target/[HOST_TARGET]/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo src/lib.rs --target [ALT_TARGET] [..]--write-doc-meta-dir=[ROOT]/foo/target/[ALT_TARGET]/debug/build/foo-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for [ALT_TARGET]
[RUNNING] `rustdoc -o [ROOT]/foo/target/[ALT_TARGET]/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/[ALT_TARGET]/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/[ALT_TARGET]/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/[ALT_TARGET]/debug/build/foo-[HASH]/out`
[MERGING] 1 doc for [HOST_TARGET]
[RUNNING] `rustdoc -o [ROOT]/foo/target/[HOST_TARGET]/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/[HOST_TARGET]/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/[HOST_TARGET]/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/[HOST_TARGET]/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/[HOST_TARGET]/doc/foo/index.html
[GENERATED] [ROOT]/foo/target/[ALT_TARGET]/doc/foo/index.html
Expand Down Expand Up @@ -3515,10 +3515,10 @@ fn mergeable_info_rebuild_detection() {
.with_stderr_data(
str![[r#"
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo)
[RUNNING] `rustdoc [..]--crate-name foo [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/foo/index.html

Expand Down Expand Up @@ -3579,10 +3579,10 @@ fn mergeable_info_rebuild_detection() {
str![[r#"
[DIRTY] foo v0.0.0 ([ROOT]/foo): the precalculated components changed
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo)
[RUNNING] `rustdoc [..]--crate-name foo [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/foo/index.html

Expand Down Expand Up @@ -3653,10 +3653,10 @@ fn mergeable_info_rebuild_with_depinfo() {
.with_stderr_data(
str![[r#"
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo)
[RUNNING] `rustdoc [..]--crate-name foo [..]--emit=html-non-static-files,dep-info=[..] --merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo [..]--emit=html-non-static-files,dep-info=[..] --write-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/foo/index.html

Expand Down Expand Up @@ -3717,10 +3717,10 @@ fn mergeable_info_rebuild_with_depinfo() {
str![[r#"
[DIRTY] foo v0.0.0 ([ROOT]/foo): the file `src/lib.rs` has changed ([TIME_DIFF_AFTER_LAST_BUILD])
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo)
[RUNNING] `rustdoc [..]--crate-name foo [..]--emit=html-non-static-files,dep-info=[..] --merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo [..]--emit=html-non-static-files,dep-info=[..] --write-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/foo/index.html

Expand Down Expand Up @@ -3805,10 +3805,10 @@ fn mergeable_info_additive() {
[CHECKING] dep v0.0.0 ([ROOT]/foo/dep)
[RUNNING] `rustc --crate-name dep [..]`
[DOCUMENTING] foo v0.0.0 ([ROOT]/foo/foo)
[RUNNING] `rustdoc [..]--crate-name foo [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name foo [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/foo/index.html

Expand Down Expand Up @@ -3841,10 +3841,10 @@ fn mergeable_info_additive() {
.with_stderr_data(
str![[r#"
[DOCUMENTING] dep v0.0.0 ([ROOT]/foo/dep)
[RUNNING] `rustdoc [..]--crate-name dep [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name dep [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 2 docs for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/dep/index.html

Expand Down Expand Up @@ -3878,10 +3878,10 @@ fn mergeable_info_additive() {
.with_stderr_data(
str![[r#"
[DOCUMENTING] bar v0.0.0 ([ROOT]/foo/bar)
[RUNNING] `rustdoc [..]--crate-name bar [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/bar-[HASH]/out [..]`
[RUNNING] `rustdoc [..]--crate-name bar [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/bar-[HASH]/out [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 3 docs for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/bar-[HASH]/out --include-parts-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out --include-parts-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/bar-[HASH]/out --read-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out --read-doc-meta-dir=[ROOT]/foo/target/debug/build/foo-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/bar/index.html

Expand Down Expand Up @@ -3954,10 +3954,10 @@ fn mergeable_info_dep_collision() {
[DOWNLOADED] dep v0.1.0 (registry `dummy-registry`)
[DOWNLOADED] dep v0.2.0 (registry `dummy-registry`)
[DOCUMENTING] dep v0.1.0
[RUNNING] `rustdoc [..]--crate-name dep [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]--crate-version 0.1.0`
[RUNNING] `rustdoc [..]--crate-name dep [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]--crate-version 0.1.0`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/dep/index.html

Expand Down Expand Up @@ -3993,10 +3993,10 @@ fn mergeable_info_dep_collision() {
.with_stderr_data(
str![[r#"
[DOCUMENTING] dep v0.2.0
[RUNNING] `rustdoc [..]--crate-name dep [..]--merge=none --parts-out-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]--crate-version 0.2.0`
[RUNNING] `rustdoc [..]--crate-name dep [..]--write-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out [..]--crate-version 0.2.0`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
[MERGING] 1 doc for host
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --merge=finalize --include-parts-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out`
[RUNNING] `rustdoc -o [ROOT]/foo/target/doc -Zunstable-options --read-doc-meta-dir=[ROOT]/foo/target/debug/build/dep-[HASH]/out`
[FINISHED] documentation merge in [ELAPSED]s
[GENERATED] [ROOT]/foo/target/doc/dep/index.html

Expand Down