rustc -h

code:rustc -h

Options:

-h, --help Display this message

--cfg SPEC Configure the compilation environment.

--check-cfg SPEC

Provide list of expected cfgs for checking

optional KIND can be one of dependency, crate, native,

framework, or all (the default).

Link the generated crate(s) to the specified native

library NAME. The optional KIND can be one of

static, framework, or dylib (the default).

Optional comma separated MODIFIERS

(bundle|verbatim|whole-archive|as-needed)

may be specified each with a prefix of either '+' to

enable or '-' to disable.

Comma separated list of types of crates

for the compiler to emit

--crate-name NAME

Specify the name of the crate being built

--edition 2015|2018|2021|2024

Specify which edition of the compiler to use when

compiling code. The default is 2015 and the latest

stable edition is 2021.

Comma separated list of types of output for the

compiler to emit

Compiler information to print on stdout

-g Equivalent to -C debuginfo=2

-O Equivalent to -C opt-level=2

-o FILENAME Write output to <filename>

--out-dir DIR Write output to compiler-chosen filename in <dir>

--explain OPT Provide a detailed explanation of an error message

--test Build a test harness

--target TARGET Target triple for which the code is compiled

-A, --allow LINT Set lint allowed

-W, --warn LINT Set lint warnings

--force-warn LINT

Set lint force-warn

-D, --deny LINT Set lint denied

-F, --forbid LINT Set lint forbidden

--cap-lints LEVEL

Set the most restrictive lint level. More restrictive

lints are capped at this level

Set a codegen option

-V, --version Print version info and exit

-v, --verbose Use verbose output

Additional help:

-C help Print codegen options

-W help Print 'lint' options and default settings

--help -v Print the full set of options rustc accepts