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| CARGO-RUN(1) |
FreeBSD General Commands Manual |
CARGO-RUN(1) |
cargo-run - Run the current package
cargo run [options] [-- args]
Run a binary or example of the local package.
All the arguments following the two dashes (--) are passed
to the binary to run. If you're passing arguments to both Cargo and the
binary, the ones after -- go to the binary, the ones before go to
Cargo.
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 run. See cargo-pkgid(1) for the
SPEC format.
When no target selection options are given, cargo run will run the binary
target. If there are multiple binary targets, you must pass a target flag to
choose one. Or, the default-run field may be specified in the
[package] section of Cargo.toml to choose the name of the binary
to run by default.
--bin name
Run the specified binary.
--example name
Run the specified example.
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
<https://doc.rust-lang.org/cargo/reference/features.html#command-line-feature-options>
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.
--all-features
Activate all available features of all selected
packages.
--no-default-features
Do not activate the default feature of the
selected packages.
--target triple
Run 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 build.target config
value <https://doc.rust-lang.org/cargo/reference/config.html>.
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
<https://doc.rust-lang.org/cargo/guide/build-cache.html> documentation
for more details.
-r, --release
Run optimized artifacts with the release profile.
See also the --profile option for choosing a specific profile by
name.
--profile name
Run with the given profile. See the the reference
<https://doc.rust-lang.org/cargo/reference/profiles.html> for more
details on profiles.
--ignore-rust-version
Run the target even if the selected Rust compiler is
older than the required Rust version as configured in the project's
rust-version field.
--target-dir directory
Directory for all generated artifacts and intermediate
files. May also be specified with the CARGO_TARGET_DIR environment
variable, or the build.target-dir config value
<https://doc.rust-lang.org/cargo/reference/config.html>. Defaults to
target in the root of the workspace.
-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
<https://doc.rust-lang.org/cargo/reference/config.html>.
-q, --quiet
Do not print cargo log messages. May also be specified
with the term.quiet config value
<https://doc.rust-lang.org/cargo/reference/config.html>.
--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 <https://doc.rust-lang.org/cargo/reference/config.html>.
--message-format fmt
The output format for diagnostic messages. Can be
specified multiple times and consists of comma-separated values. Valid values:
•human (default): Display in a
human-readable text format. Conflicts with short and json.
•short: Emit shorter, human-readable text
messages. Conflicts with human and json.
•json: Emit JSON messages to stdout. See
the reference
<https://doc.rust-lang.org/cargo/reference/external-tools.html#json-messages>
for more details. Conflicts with human and short.
•json-diagnostic-short: Ensure the
rendered field of JSON messages contains the "short"
rendering from rustc. Cannot be used with human or short.
•json-diagnostic-rendered-ansi: Ensure the
rendered field of JSON messages contains embedded ANSI color codes for
respecting rustc's default color scheme. Cannot be used with human or
short.
•json-render-diagnostics: Instruct Cargo to
not include rustc diagnostics in in JSON messages printed, but instead Cargo
itself should render the JSON diagnostics coming from rustc. Cargo's own JSON
diagnostics and others coming from rustc are still emitted. Cannot be used
with human or short.
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.
--offline
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 <https://doc.rust-lang.org/cargo/reference/config.html>.
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
<https://rust-lang.github.io/rustup/overrides.html> 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.
-j N, --jobs N
Number of parallel jobs to run. May also be specified
with the build.jobs config value
<https://doc.rust-lang.org/cargo/reference/config.html>. Defaults to the
number of CPUs.
See the reference
<https://doc.rust-lang.org/cargo/reference/environment-variables.html>
for details on environment variables that Cargo reads.
•0: Cargo succeeded.
•101: Cargo failed to complete.
1.Build the local package and run its main target
(assuming only one binary):
2.Run an example with extra arguments:
cargo run --example exname -- --exoption exarg1 exarg2
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