275 lines
7.4 KiB
HTML
275 lines
7.4 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of CARGO-FETCH</TITLE>
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</HEAD><BODY>
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<H1>CARGO-FETCH</H1>
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Section: (1)<BR>Updated: 2019-11-11<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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cargo-fetch - Fetch dependencies of a package from the network
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<P>
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<B>cargo fetch [</B><I>OPTIONS</I>]
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<P>
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If a <B>Cargo.lock</B> file is available, this command will ensure that all of the
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git dependencies and/or registry dependencies are downloaded and locally
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available. Subsequent Cargo commands never touch the network after a <B>cargo
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fetch</B> unless the lock file changes.
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<P>
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If the lock file is not available, then this command will generate the lock
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file before fetching the dependencies.
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<P>
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If <B>--target</B> is not specified, then all target dependencies are fetched.
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<P>
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See also the
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<I>cargo-prefetch</I> <<A HREF="https://crates.io/crates/cargo-prefetch">https://crates.io/crates/cargo-prefetch</A>>
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plugin which adds a command to download popular crates. This may be useful if
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you plan to use Cargo without a network with the <B>--offline</B> flag.
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<A NAME="lbAE"> </A>
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<H2>OPTIONS</H2>
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<A NAME="lbAF"> </A>
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<H3>Fetch options</H3>
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<P>
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<B>--target</B> <I>TRIPLE</I>
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<DL COMPACT><DT id="1"><DD>
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Fetch for the given architecture. The default is the host
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architecture. The general format of the triple is
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<B><arch><sub>-<vendor>-<sys>-<abi></B>. Run <B>rustc --print target-list</B> for a
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list of supported targets.
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<P>
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This may also be specified with the <B>build.target</B>
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<I>config value</I> <<A HREF="https://doc.rust-lang.org/cargo/reference/config.html">https://doc.rust-lang.org/cargo/reference/config.html</A>>.
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<P>
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Note that specifying this flag makes Cargo run in a different mode where the
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target artifacts are placed in a separate directory. See the
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<I>build cache</I> <<A HREF="https://doc.rust-lang.org/cargo/guide/build-cache.html">https://doc.rust-lang.org/cargo/guide/build-cache.html</A>>
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documentation for more details.
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</DL>
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<A NAME="lbAG"> </A>
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<H3>Display Options</H3>
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<P>
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<B>-v</B>, <B>--verbose</B>
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<DL COMPACT><DT id="2"><DD>
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Use verbose output. May be specified twice for "very verbose" output which
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includes extra output such as dependency warnings and build script output.
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May also be specified with the <B>term.verbose</B>
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<I>config value</I> <<A HREF="https://doc.rust-lang.org/cargo/reference/config.html">https://doc.rust-lang.org/cargo/reference/config.html</A>>.
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</DL>
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<P>
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<B>-q</B>, <B>--quiet</B>
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<DL COMPACT><DT id="3"><DD>
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No output printed to stdout.
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</DL>
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<P>
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<B>--color</B> <I>WHEN</I>
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<DL COMPACT><DT id="4"><DD>
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Control when colored output is used. Valid values:
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<P>
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<DL COMPACT><DT id="5"><DD>
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•
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<B>auto</B> (default): Automatically detect if color support is available on the
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terminal.
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</DL>
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<P>
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<DL COMPACT><DT id="6"><DD>
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•
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<B>always</B>: Always display colors.
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</DL>
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<P>
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<DL COMPACT><DT id="7"><DD>
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•
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<B>never</B>: Never display colors.
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</DL>
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<P>
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May also be specified with the <B>term.color</B>
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<I>config value</I> <<A HREF="https://doc.rust-lang.org/cargo/reference/config.html">https://doc.rust-lang.org/cargo/reference/config.html</A>>.
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</DL>
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<A NAME="lbAH"> </A>
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<H3>Manifest Options</H3>
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<P>
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<B>--manifest-path</B> <I>PATH</I>
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<DL COMPACT><DT id="8"><DD>
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Path to the <B>Cargo.toml</B> file. By default, Cargo searches for the
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<B>Cargo.toml</B> file in the current directory or any parent directory.
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</DL>
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<P>
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<B>--frozen</B>, <B>--locked</B>
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<DL COMPACT><DT id="9"><DD>
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Either of these flags requires that the <B>Cargo.lock</B> file is
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up-to-date. If the lock file is missing, or it needs to be updated, Cargo will
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exit with an error. The <B>--frozen</B> flag also prevents Cargo from
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attempting to access the network to determine if it is out-of-date.
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<P>
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These may be used in environments where you want to assert that the
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<B>Cargo.lock</B> file is up-to-date (such as a CI build) or want to avoid network
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access.
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</DL>
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<P>
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<B>--offline</B>
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<DL COMPACT><DT id="10"><DD>
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Prevents Cargo from accessing the network for any reason. Without this
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flag, Cargo will stop with an error if it needs to access the network and
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the network is not available. With this flag, Cargo will attempt to
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proceed without the network if possible.
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<P>
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Beware that this may result in different dependency resolution than online
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mode. Cargo will restrict itself to crates that are downloaded locally, even
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if there might be a newer version as indicated in the local copy of the index.
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See the <B><A HREF="/cgi-bin/man/man2html?1+cargo-fetch">cargo-fetch</A></B>(1) command to download dependencies before going
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offline.
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<P>
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May also be specified with the <B>net.offline</B>
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<I>config value</I> <<A HREF="https://doc.rust-lang.org/cargo/reference/config.html">https://doc.rust-lang.org/cargo/reference/config.html</A>>.
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</DL>
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<A NAME="lbAI"> </A>
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<H3>Common Options</H3>
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<P>
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<B>+TOOLCHAIN</B>
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<DL COMPACT><DT id="11"><DD>
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If Cargo has been installed with rustup, and the first argument to <B>cargo</B>
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begins with <B>+</B>, it will be interpreted as a rustup toolchain name (such
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as <B>+stable</B> or <B>+nightly</B>).
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See the
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<I>rustup documentation</I> <<A HREF="https://github.com/rust-lang/rustup/">https://github.com/rust-lang/rustup/</A>>
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for more information about how toolchain overrides work.
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</DL>
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<P>
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<B>-h</B>, <B>--help</B>
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<DL COMPACT><DT id="12"><DD>
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Prints help information.
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</DL>
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<P>
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<B>-Z</B> <I>FLAG</I>...
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<DL COMPACT><DT id="13"><DD>
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Unstable (nightly-only) flags to Cargo. Run <B>cargo -Z help</B> for
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details.
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</DL>
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<A NAME="lbAJ"> </A>
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<H2>ENVIRONMENT</H2>
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<P>
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See
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<I>the reference</I> <<A HREF="https://doc.rust-lang.org/cargo/reference/environment-variables.html">https://doc.rust-lang.org/cargo/reference/environment-variables.html</A>>
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for
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details on environment variables that Cargo reads.
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<A NAME="lbAK"> </A>
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<H2>EXIT STATUS</H2>
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<P>
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0
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<DL COMPACT><DT id="14"><DD>
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Cargo succeeded.
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</DL>
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<P>
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101
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<DL COMPACT><DT id="15"><DD>
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Cargo failed to complete.
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</DL>
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<A NAME="lbAL"> </A>
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<H2>EXAMPLES</H2>
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<P>
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<DL COMPACT><DT id="16"><DD>
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1.
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Fetch all dependencies:
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<P>
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<DL COMPACT><DT id="17"><DD>
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<PRE>
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cargo fetch
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</PRE>
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</DL>
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</DL>
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<A NAME="lbAM"> </A>
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<H2>SEE ALSO</H2>
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<P>
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<B><A HREF="/cgi-bin/man/man2html?1+cargo">cargo</A></B>(1), <B><A HREF="/cgi-bin/man/man2html?1+cargo-update">cargo-update</A></B>(1), <B><A HREF="/cgi-bin/man/man2html?1+cargo-generate-lockfile">cargo-generate-lockfile</A></B>(1)
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="18"><A HREF="#lbAB">NAME</A><DD>
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<DT id="19"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="20"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="21"><A HREF="#lbAE">OPTIONS</A><DD>
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<DL>
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<DT id="22"><A HREF="#lbAF">Fetch options</A><DD>
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<DT id="23"><A HREF="#lbAG">Display Options</A><DD>
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<DT id="24"><A HREF="#lbAH">Manifest Options</A><DD>
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<DT id="25"><A HREF="#lbAI">Common Options</A><DD>
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</DL>
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<DT id="26"><A HREF="#lbAJ">ENVIRONMENT</A><DD>
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<DT id="27"><A HREF="#lbAK">EXIT STATUS</A><DD>
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<DT id="28"><A HREF="#lbAL">EXAMPLES</A><DD>
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<DT id="29"><A HREF="#lbAM">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:08 GMT, March 31, 2021
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</BODY>
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</HTML>
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