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CARGO-PUBLISH(1) FreeBSD General Commands Manual CARGO-PUBLISH(1)

cargo-publish - Upload a package to the registry

cargo publish [options]

This command will create a distributable, compressed .crate file with the source code of the package in the current directory and upload it to a registry. The default registry is <>. This performs the following steps:

1.Performs a few checks, including:

•Checks the package.publish key in the manifest for restrictions on which registries you are allowed to publish to.

2.Create a .crate file by following the steps in cargo-package(1).

3.Upload the crate to the registry. Note that the server will perform additional checks on the crate.

This command requires you to be authenticated with either the --token option or using cargo-login(1).

See the reference <> for more details about packaging and publishing.

Perform all checks without uploading.

--token token

API token to use when authenticating. This overrides the token stored in the credentials file (which is created by cargo-login(1)).

Cargo config <> environment variables can be used to override the tokens stored in the credentials file. The token for may be specified with the CARGO_REGISTRY_TOKEN environment variable. Tokens for other registries may be specified with environment variables of the form CARGO_REGISTRIES_NAME_TOKEN where NAME is the name of the registry in all capital letters.


Don't verify the contents by building them.


Allow working directories with uncommitted VCS changes to be packaged.

--index index

The URL of the registry index to use.

--registry registry

Name of the registry to publish to. Registry names are defined in Cargo config files <>. If not specified, and there is a package.publish <> field in Cargo.toml with a single registry, then it will publish to that registry. Otherwise it will use the default registry, which is defined by the registry.default <> config key which defaults to crates-io.

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

-p spec, --package spec

The package to publish. See cargo-pkgid(1) for the SPEC format.

--target triple
Publish for the given architecture. The default is the host architecture. The general format of the triple is <arch><sub>-<vendor>-<sys>-<abi>. Run rustc --print target-list for a list of supported targets.

This may also be specified with the config value <>.

Note that specifying this flag makes Cargo run in a different mode where the target artifacts are placed in a separate directory. See the build cache <> documentation for more details.

--target-dir directory

Directory for all generated artifacts and intermediate files. May also be specified with the CARGO_TARGET_DIR environment variable, or the config value <>. Defaults to target in the root of the workspace.

The feature flags allow you to control which features are enabled. When no feature options are given, the default feature is activated for every selected package.

See the features documentation <> for more details.

--features features

Space or comma separated list of features to activate. Features of workspace members may be enabled with package-name/feature-name syntax. This flag may be specified multiple times, which enables all specified features.


Activate all available features of all selected packages.


Do not activate the default feature of the selected packages.

--manifest-path path
Path to the Cargo.toml file. By default, Cargo searches for the Cargo.toml file in the current directory or any parent directory.

--frozen, --locked

Either of these flags requires that the Cargo.lock file is up-to-date. If the lock file is missing, or it needs to be updated, Cargo will exit with an error. The --frozen flag also prevents Cargo from attempting to access the network to determine if it is out-of-date.

These may be used in environments where you want to assert that the Cargo.lock file is up-to-date (such as a CI build) or want to avoid network access.


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

Beware that this may result in different dependency resolution than online mode. Cargo will restrict itself to crates that are downloaded locally, even if 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 going offline.

May also be specified with the net.offline config value <>.

-j N, --jobs N
Number of parallel jobs to run. May also be specified with the config value <>. Defaults to the number of CPUs.

-v, --verbose
Use verbose output. May be specified twice for "very verbose" output which includes extra output such as dependency warnings and build script output. May also be specified with the term.verbose config value <>.

-q, --quiet

Do not print cargo log messages. May also be specified with the term.quiet config value <>.

--color when

Control when colored output is used. Valid values:

auto (default): Automatically detect if color support is available on the terminal.

always: Always display colors.

never: Never display colors.

May also be specified with the term.color config value <>.

If Cargo has been installed with rustup, and the first argument to cargo begins with +, it will be interpreted as a rustup toolchain name (such as +stable or +nightly). See the rustup documentation <> for more information about how toolchain overrides work.

-h, --help

Prints help information.

-Z flag

Unstable (nightly-only) flags to Cargo. Run cargo -Z help for details.

See the reference <> for details on environment variables that Cargo reads.

0: Cargo succeeded.

101: Cargo failed to complete.

1.Publish the current package:

cargo publish

cargo(1), cargo-package(1), cargo-login(1)

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