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CARGO\-RUSTDOC

Section: \ \& (1)
Updated: 2019-04-16
Index

NAME

cargo-rustdoc - Build a packageaqs documentation, using specified custom flags

SYNOPSIS

cargo rustdoc [OPTIONS] [-- ARGS]

DESCRIPTION

The specified target for the current package (or package specified by -p ifprovided) will be documented with the specified ARGS being passed to thefinal rustdoc invocation. Dependencies will not be documented as part of thiscommand. Note that rustdoc will still unconditionally receive arguments suchas -L, --extern, and --crate-type, and the specified ARGS will simplybe added to the rustdoc invocation.

See https://doc.rust-lang.org/rustdoc/index.html <L>for documentation on rustdocflags.

This command requires that only one target is being compiled when additionalarguments are provided. If more than one target is available for the currentpackage the filters of --lib, --bin, etc, must be used to select whichtarget is compiled.To pass flags to all rustdoc processes spawned by Cargo, use theRUSTDOCFLAGS environment variable or the build.rustdocflags configurationoption.

OPTIONS

Documentation Options

--open

: Open the docs in a browser after building them.

Package Selection

By default, the package in the current working directory is selected. The -pflag can be used to choose a different package in a workspace.

-p SPEC, --package SPEC

: The package to document. See cargo-pkgid(1) forthe SPEC format.

Target Selection

When no target selection options are given, cargo rustdoc will document allbinary and library targets of the selected package. The binary will be skippedif its name is the same as the lib target. Binaries are skipped if they haverequired-features that are missing.

Passing target selection flags will document only thespecified targets.

--lib

: Document the packagecqs library.

--bin NAME...

: Document the specified binary. This flag may be specified multiple times.

--bins

: Document all binary targets.

--example NAME...

: Document the specified example. This flag may be specified multiple times.

--examples

: Document all example targets.

--test NAME...

: Document the specified integration test. This flag may be specified multipletimes.

--tests

: Document all targets in test mode that have the test = true manifestflag set. By default this includes the library and binaries built asunittests, and integration tests. Be aware that this will also build anyrequired dependencies, so the lib target may be built twice (once as aunittest, and once as a dependency for binaries, integration tests, etc.).Targets may be enabled or disabled by setting the test flag in themanifest settings for the target.

--bench NAME...

: Document the specified benchmark. This flag may be specified multiple times.

--benches

: Document all targets in benchmark mode that have the bench = truemanifest flag set. By default this includes the library and binaries builtas benchmarks, and bench targets. Be aware that this will also build anyrequired dependencies, so the lib target may be built twice (once as abenchmark, and once as a dependency for binaries, benchmarks, etc.).Targets may be enabled or disabled by setting the bench flag in themanifest settings for the target.

--all-targets

: Document all targets. This is equivalent to specifying --lib --bins--tests --benches --examples.

Feature Selection

When no feature options are given, the default feature is activated forevery selected package.

--features FEATURES

: Space or comma separated list of features to activate. These features onlyapply to the current directorycqs package. Features of direct dependenciesmay be enabled with <dep-name>/<feature-name> syntax.

--all-features

: Activate all available features of all selected packages.

--no-default-features

: Do not activate the default feature of the current directorycqspackage.

Compilation Options

--target TRIPLE

: Document for the given architecture. The default is the hostarchitecture. The general format of the triple is<arch><sub>-<vendor>-<sys>-<abi>. Run rustc --print target-list for alist of supported targets.
This may also be specified with the build.targethttps://doc.rust-lang.org/cargo/reference/config.html <L>config value

--release

: Document optimized artifacts with the release profile. See thePROFILES section for details on how this affects profile selection.

Output Options

--target-dir DIRECTORY

: Directory for all generated artifacts and intermediate files. May also bespecified with the CARGO_TARGET_DIR environment variable, or thebuild.target-dir https://doc.rust-lang.org/cargo/reference/config.html <L>config valueDefaultsto target in the root of the workspace.

Display Options

-v, --verbose

: Use verbose output. May be specified twice for "very verbose" output whichincludes extra output such as dependency warnings and build script output.May also be specified with the term.verbosehttps://doc.rust-lang.org/cargo/reference/config.html <L>config value

-q, --quiet

: No output printed to stdout.

--color WHEN

Control when colored output is used. Valid values:

: *auto (default): Automatically detect if color support is available on theterminal.

: *always: Always display colors.

: *never: Never display colors.

May also be specified with the term.colorhttps://doc.rust-lang.org/cargo/reference/config.html <L>config value

--message-format FMT

The output format for diagnostic messages. Valid values:

: *human (default): Display in a human-readable text format.

: *json: Emit JSON messages to stdout.

: *short: Emit shorter, human-readable text messages.

Manifest Options

--manifest-path PATH

: Path to the Cargo.toml file. By default, Cargo searches in the currentdirectory or any parent directory for the Cargo.toml file.

--frozen, --locked

: Either of these flags requires that the Cargo.lock file isup-to-date. If the lock file is missing, or it needs to be updated, Cargo willexit with an error. The --frozen flag also prevents Cargo fromattempting to access the network to determine if it is out-of-date.
These may be used in environments where you want to assert that theCargo.lock file is up-to-date (such as a CI build) or want to avoid networkaccess.

--offline

Prevents Cargo from accessing the network for any reason. Without thisflag, Cargo will stop with an error if it needs to access the network andthe network is not available. With this flag, Cargo will attempt toproceed without the network if possible.

Beware that this may result in different dependency resolution than onlinemode. Cargo will restrict itself to crates that are downloaded locally, evenif there might be a newer version as indicated in the local copy of the index.See the cargo-fetch(1) command to download dependencies before goingoffline.

May also be specified with the net.offline https://doc.rust-lang.org/cargo/reference/config.html <L>config value

Common Options

-h, --help

: Prints help information.

-Z FLAG...

: Unstable (nightly-only) flags to Cargo. Run cargo -Z help fordetails.

Miscellaneous Options

-j N, --jobs N

: Number of parallel jobs to run. May also be specified with thebuild.jobs https://doc.rust-lang.org/cargo/reference/config.html <L>config valueDefaults tothe number of CPUs.

PROFILES

Profiles may be used to configure compiler options such as optimization levelsand debug settings. Seehttps://doc.rust-lang.org/cargo/reference/manifest.html#the-profile-sections <L>the referencefor more details.

Profile selection depends on the target and crate being built. By default thedev or test profiles are used. If the --release flag is given, then therelease or bench profiles are used.
Target
Default Profile
--release Profile
lib, bin, example
dev
release
test, bench, or any target
in "test" or "bench" mode
test
bench

Dependencies use the dev/release profiles.

ENVIRONMENT

See https://doc.rust-lang.org/cargo/reference/environment-variables.html <L>the referencefordetails on environment variables that Cargo reads.

EXIT STATUS

: Cargo succeeded.

101

: Cargo failed to complete.

EXAMPLES

1.Build documentation with custom CSS included from a given file:

cargo rustdoc --lib -- --extend-css extra.css

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