Rust Lints

For Rust version 1.85.0. References:

Allow by default lints

Lint	Verdict	Comment
`absolute-paths-not-starting-with-crate`	default	Only applies to 2015 edition.
`ambiguous-negative-literals`	warn
`async-idents`	default
`closure-returning-async-block`	warn
`deprecated-safe-2024`	default	Only applies to pre-2024 editions.
`disjoint-capture-migration`	default
`edition-2024-expr-fragment-specifier`	default
`elided-lifetime-in-path`	default
`elided-lifetimes-in-paths`	default
`explicit-outlives-requirements`	warn
`ffi-unwind-calls`	default
`fuzzy-provenance-casts`	default
`if-let-rescope`	default
`impl-trait-overcaptures`	default
`impl-trait-redundant-captures`	warn
`keyword-idents`	default
`keyword-idents-2018`	default
`keyword-idents-2024`	default
`let-underscore-drop`	warn
`lossy-provenance-casts`	default	Unstable.
`macro-use-extern-crate`	warn
`meta-variable-misuse`	warn
`missing-abi`	warn
`missing-copy-implementations`	default
`missing-debug-implementations`	default
`missing-docs`	warn
`missing-unsafe-on-extern`	default
`multiple-supertrait-upcastable`	default
`must-not-suspend`	default	Unstable.
`non-ascii-idents`	default
`non-exhaustive-omitted-patterns`	default
`or-patterns-back-compat`	default
`redundant-imports`	warn
`redundant-lifetimes`	warn
`rust-2021-incompatible-closure-captures`	default
`rust-2021-incompatible-or-patterns`	default
`rust-2021-prefixes-incompatible-syntax`	default
`rust-2021-prelude-collisions`	default
`rust-2024-guarded-string-incompatible-syntax`	default
`rust-2024-incompatible-pat`	default
`rust-2024-prelude-collisions`	default
`single-use-lifetime`	default
`single-use-lifetimes`	warn
`tail-expr-drop-order`	default
`trivial-casts`	warn
`trivial-numeric-casts`	warn
`unit-bindings`	warn
`unnameable-types`	warn
`unqualified-local-imports`	default	Unstable.
`unreachable-pub`	default	See `clippy::redundant-pub-crate`.
`unsafe-attr-outside-unsafe`	default
`unsafe-code`	warn
`unsafe-op-in-unsafe-fn`	default
`unstable-features`	default
`unused-crate-dependencies`	warn
`unused-extern-crates`	warn
`unused-import-braces`	warn
`unused-lifetimes`	warn
`unused-macro-rules`	warn
`unused-qualifications`	warn
`unused-results`	default
`variant-size-differences`	warn
`clippy::absolute-paths`	default
`clippy::alloc-instead-of-core`	warn
`clippy::allow-attributes`	warn
`clippy::allow-attributes-without-reason`	warn
`clippy::arbitrary-source-item-ordering`	default
`clippy::arithmetic-side-effects`	default
`clippy::as-conversions`	warn
`clippy::as-pointer-underscore`	default
`clippy::as-underscore`	default
`clippy::assertions-on-result-states`	warn
`clippy::big-endian-bytes`	default
`clippy::cargo`	warn	Group.
`clippy::cfg-not-test`	warn
`clippy::clone-on-ref-ptr`	warn
`clippy::create-dir`	default
`clippy::dbg-macro`	warn
`clippy::decimal-literal-representation`	default
`clippy::default-numeric-fallback`	default
`clippy::default-union-representation`	default
`clippy::deref-by-slicing`	warn
`clippy::disallowed-script-idents`	default
`clippy::doc-include-without-cfg`	default
`clippy::else-if-without-else`	default
`clippy::empty-drop`	warn
`clippy::empty-enum-variants-with-brackets`	warn
`clippy::empty-structs-with-brackets`	warn
`clippy::error-impl-error`	default
`clippy::exhaustive-enums`	default
`clippy::exhaustive-structs`	default
`clippy::exit`	default
`clippy::expect-used`	default
`clippy::field-scoped-visibility-modifiers`	warn
`clippy::filetype-is-file`	default
`clippy::float-arithmetic`	default
`clippy::float-cmp-const`	default
`clippy::fn-to-numeric-cast-any`	default
`clippy::format-push-string`	warn
`clippy::get-unwrap`	warn
`clippy::host-endian-bytes`	default
`clippy::if-then-some-else-none`	warn
`clippy::impl-trait-in-params`	default
`clippy::implicit-return`	default
`clippy::indexing-slicing`	default
`clippy::infinite-loop`	warn
`clippy::inline-asm-x86-att-syntax`	default
`clippy::inline-asm-x86-intel-syntax`	default
`clippy::integer-division`	default
`clippy::integer-division-remainder-used`	default
`clippy::iter-over-hash-type`	default
`clippy::large-include-file`	default
`clippy::let-underscore-must-use`	default
`clippy::let-underscore-untyped`	default
`clippy::little-endian-bytes`	default
`clippy::lossy-float-literal`	warn
`clippy::map-err-ignore`	default
`clippy::map-with-unused-argument-over-ranges`	default
`clippy::mem-forget`	default
`clippy::min-ident-chars`	default
`clippy::missing-assert-message`	default
`clippy::missing-asserts-for-indexing`	default
`clippy::missing-docs-in-private-items`	default
`clippy::missing-inline-in-public-items`	default
`clippy::missing-trait-methods`	default
`clippy::mixed-read-write-in-expression`	default
`clippy::mod-module-files`	default
`clippy::module-name-repetitions`	default
`clippy::modulo-arithmetic`	default
`clippy::multiple-inherent-impl`	default
`clippy::multiple-unsafe-ops-per-block`	default
`clippy::mutex-atomic`	warn
`clippy::needless-raw-strings`	default
`clippy::non-ascii-literal`	default
`clippy::non-zero-suggestions`	warn
`clippy::nursery`	warn	Group.
`clippy::panic`	default
`clippy::panic-in-result-fn`	warn
`clippy::partial-pub-fields`	default
`clippy::pathbuf-init-then-push`	default
`clippy::pattern-type-mismatch`	default
`clippy::pedantic`	warn	Group.
`clippy::print-stderr`	warn
`clippy::print-stdout`	warn
`clippy::pub-use`	default
`clippy::pub-with-shorthand`	default
`clippy::pub-without-shorthand`	default
`clippy::question-mark-used`	default
`clippy::rc-buffer`	warn
`clippy::rc-mutex`	warn
`clippy::redundant-type-annotations`	warn
`clippy::ref-patterns`	default
`clippy::renamed-function-params`	warn
`clippy::rest-pat-in-fully-bound-structs`	warn
`clippy::same-name-method`	warn
`clippy::self-named-module-files`	warn
`clippy::semicolon-inside-block`	default
`clippy::semicolon-outside-block`	default
`clippy::separated-literal-suffix`	default
`clippy::shadow-reuse`	default
`clippy::shadow-same`	default
`clippy::shadow-unrelated`	default
`clippy::single-call-fn`	default
`clippy::single-char-lifetime-names`	default
`clippy::std-instead-of-alloc`	default
`clippy::std-instead-of-core`	default
`clippy::str-to-string`	default
`clippy::string-add`	default
`clippy::string-lit-chars-any`	warn
`clippy::string-slice`	default
`clippy::string-to-string`	warn
`clippy::suspicious-xor-used-as-pow`	default
`clippy::tests-outside-test-module`	warn
`clippy::todo`	warn
`clippy::try-err`	warn
`clippy::undocumented-unsafe-blocks`	warn
`clippy::unimplemented`	warn
`clippy::unnecessary-safety-comment`	warn
`clippy::unnecessary-safety-doc`	warn
`clippy::unnecessary-self-imports`	warn
`clippy::unneeded-field-pattern`	warn
`clippy::unreachable`	default
`clippy::unseparated-literal-suffix`	warn
`clippy::unused-result-ok`	default
`clippy::unused-trait-names`	default
`clippy::unwrap-in-result`	default
`clippy::unwrap-used`	default
`clippy::use-debug`	default
`clippy::verbose-file-reads`	warn
`clippy::wildcard-enum-match-arm`	default

Exceptions:

Lint	Verdict	Comment
`clippy::multiple-crate-versions`	allow

Summary

Add the following configuration to Cargo.toml:

[lints.rust]
ambiguous-negative-literals = { level = "warn", priority = 1 }
closure-returning-async-block = { level = "warn", priority = 1 }
explicit-outlives-requirements = { level = "warn", priority = 1 }
impl-trait-redundant-captures = { level = "warn", priority = 1 }
let-underscore-drop = { level = "warn", priority = 1 }
macro-use-extern-crate = { level = "warn", priority = 1 }
meta-variable-misuse = { level = "warn", priority = 1 }
missing-abi = { level = "warn", priority = 1 }
missing-docs = { level = "warn", priority = 1 }
redundant-imports = { level = "warn", priority = 1 }
redundant-lifetimes = { level = "warn", priority = 1 }
single-use-lifetimes = { level = "warn", priority = 1 }
trivial-casts = { level = "warn", priority = 1 }
trivial-numeric-casts = { level = "warn", priority = 1 }
unit-bindings = { level = "warn", priority = 1 }
unnameable-types = { level = "warn", priority = 1 }
unsafe-code = { level = "warn", priority = 1 }
unused-crate-dependencies = { level = "warn", priority = 1 }
unused-extern-crates = { level = "warn", priority = 1 }
unused-import-braces = { level = "warn", priority = 1 }
unused-lifetimes = { level = "warn", priority = 1 }
unused-macro-rules = { level = "warn", priority = 1 }
unused-qualifications = { level = "warn", priority = 1 }
variant-size-differences = { level = "warn", priority = 1 }

[lints.clippy]
alloc-instead-of-core = { level = "warn", priority = 1 }
allow-attributes = { level = "warn", priority = 1 }
allow-attributes-without-reason = { level = "warn", priority = 1 }
as-conversions = { level = "warn", priority = 1 }
assertions-on-result-states = { level = "warn", priority = 1 }
cargo = "warn"
cfg-not-test = { level = "warn", priority = 1 }
clone-on-ref-ptr = { level = "warn", priority = 1 }
dbg-macro = { level = "warn", priority = 1 }
deref-by-slicing = { level = "warn", priority = 1 }
empty-drop = { level = "warn", priority = 1 }
empty-enum-variants-with-brackets = { level = "warn", priority = 1 }
empty-structs-with-brackets = { level = "warn", priority = 1 }
field-scoped-visibility-modifiers = { level = "warn", priority = 1 }
format-push-string = { level = "warn", priority = 1 }
get-unwrap = { level = "warn", priority = 1 }
if-then-some-else-none = { level = "warn", priority = 1 }
infinite-loop = { level = "warn", priority = 1 }
lossy-float-literal = { level = "warn", priority = 1 }
multiple-crate-versions = { level = "allow", priority = 1 }
mutex-atomic = { level = "warn", priority = 1 }
non-zero-suggestions = { level = "warn", priority = 1 }
nursery = "warn"
panic-in-result-fn = { level = "warn", priority = 1 }
pedantic = "warn"
print-stderr = { level = "warn", priority = 1 }
print-stdout = { level = "warn", priority = 1 }
rc-buffer = { level = "warn", priority = 1 }
rc-mutex = { level = "warn", priority = 1 }
redundant-type-annotations = { level = "warn", priority = 1 }
renamed-function-params = { level = "warn", priority = 1 }
rest-pat-in-fully-bound-structs = { level = "warn", priority = 1 }
same-name-method = { level = "warn", priority = 1 }
self-named-module-files = { level = "warn", priority = 1 }
string-lit-chars-any = { level = "warn", priority = 1 }
string-to-string = { level = "warn", priority = 1 }
tests-outside-test-module = { level = "warn", priority = 1 }
todo = { level = "warn", priority = 1 }
try-err = { level = "warn", priority = 1 }
undocumented-unsafe-blocks = { level = "warn", priority = 1 }
unimplemented = { level = "warn", priority = 1 }
unnecessary-safety-comment = { level = "warn", priority = 1 }
unnecessary-safety-doc = { level = "warn", priority = 1 }
unnecessary-self-imports = { level = "warn", priority = 1 }
unneeded-field-pattern = { level = "warn", priority = 1 }
unseparated-literal-suffix = { level = "warn", priority = 1 }
verbose-file-reads = { level = "warn", priority = 1 }

`.clippy.toml` Configuration

avoid-breaking-exported-api = false
warn-on-all-wildcard-imports = true

Rust Lints

Allow by default lints

Summary

.clippy.toml Configuration

`.clippy.toml` Configuration