[INFO] fetching crate stdweb-internal-macros 0.2.9...
[INFO] linting stdweb-internal-macros-0.2.9 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate stdweb-internal-macros 0.2.9 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate stdweb-internal-macros 0.2.9
[INFO] finished tweaking crates.io crate stdweb-internal-macros 0.2.9
[INFO] tweaked toml for crates.io crate stdweb-internal-macros 0.2.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stdweb-internal-macros 0.2.9 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding sha1 v0.6.1 (available: v0.10.6)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a31820ec7763fb26976327a235a73f70a7beaa7891432105511b37826c50ad2
[INFO] running `Command { std: "docker" "start" "-a" "7a31820ec7763fb26976327a235a73f70a7beaa7891432105511b37826c50ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a31820ec7763fb26976327a235a73f70a7beaa7891432105511b37826c50ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a31820ec7763fb26976327a235a73f70a7beaa7891432105511b37826c50ad2", kill_on_drop: false }`
[INFO] [stdout] 7a31820ec7763fb26976327a235a73f70a7beaa7891432105511b37826c50ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c3ec61e9caa118abbd00fffea54c652979d25a7b46174e88221c72e18c94a1
[INFO] running `Command { std: "docker" "start" "-a" "87c3ec61e9caa118abbd00fffea54c652979d25a7b46174e88221c72e18c94a1", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking stdweb-internal-macros v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]   --> src/macro_js_export.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 | const ENCODING_BASE: &'static [u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
[INFO] [stdout]    |                      -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]   --> src/macro_js_export.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 | const ENCODING_BASE: &'static [u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
[INFO] [stdout]    |                      -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/js_stringify.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Block( syn::Block )
[INFO] [stdout]    |     -----  ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Block( syn::Block )
[INFO] [stdout] 10 +     Block( () )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> src/utils.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     (0..count).into_iter().map( |nth| {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(0..count)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/macro_js_export.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     match ty {
[INFO] [stdout] 50 | |         &syn::Type::Reference( ref ty ) => {
[INFO] [stdout] 51 | |             assert!( ty.mutability.is_none(), "`mut` bindings are not supported" );
[INFO] [stdout] 52 | |             match *ty.elem {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         _ => ExportType::Unknown( ty.clone() )
[INFO] [stdout] 76 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout]    = note: `#[warn(clippy::match_ref_pats)]` on by default
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 49 ~     match *ty {
[INFO] [stdout] 50 ~         syn::Type::Reference( ref ty ) => {
[INFO] [stdout] 51 |             assert!( ty.mutability.is_none(), "`mut` bindings are not supported" );
[INFO] [stdout] ...
[INFO] [stdout] 61 |         },
[INFO] [stdout] 62 ~         syn::Type::Path( ref path ) => {
[INFO] [stdout] 63 |             let name = match match_shallow_path( &path.path ) {
[INFO] [stdout] ...
[INFO] [stdout] 73 |         },
[INFO] [stdout] 74 ~         syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => ExportType::Unit,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/macro_js_export.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &syn::Type::Reference( ref ty ) => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrowed_reference)]` on by default
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 50 -         &syn::Type::Reference( ref ty ) => {
[INFO] [stdout] 50 +         syn::Type::Reference( ty ) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/macro_js_export.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         &syn::Type::Path( ref path ) => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 62 -         &syn::Type::Path( ref path ) => {
[INFO] [stdout] 62 +         syn::Type::Path( path ) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/macro_js_export.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         &syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => ExportType::Unit,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 74 -         &syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => ExportType::Unit,
[INFO] [stdout] 74 +         syn::Type::Tuple( tuple ) if tuple.elems.is_empty() => ExportType::Unit,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stdout]    --> src/macro_js_export.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |       let return_ty = match &decl.output {
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 273 | |         &syn::ReturnType::Default => ExportType::Unit,
[INFO] [stdout] 274 | |         &syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stdout] 275 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 272 ~     let return_ty = match decl.output {
[INFO] [stdout] 273 ~         syn::ReturnType::Default => ExportType::Unit,
[INFO] [stdout] 274 ~         syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/macro_js_export.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         &syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 274 -         &syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stdout] 274 +         syn::ReturnType::Type( _, ty ) => match_type( ty )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/macro_async_test.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     match return_type {
[INFO] [stdout] 10 | |         &syn::ReturnType::Default => true,
[INFO] [stdout] 11 | |         &syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stdout] 12 | |             match **ty {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout]  9 ~     match *return_type {
[INFO] [stdout] 10 ~         syn::ReturnType::Default => true,
[INFO] [stdout] 11 ~         syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/macro_async_test.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         &syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 11 -         &syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stdout] 11 +         syn::ReturnType::Type( _, ty ) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/macro_async_test.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | /             match **ty {
[INFO] [stdout] 13 | |                 syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => true,
[INFO] [stdout] 14 | |                 _ => false
[INFO] [stdout] 15 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 12 -             match **ty {
[INFO] [stdout] 13 -                 syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => true,
[INFO] [stdout] 14 -                 _ => false
[INFO] [stdout] 15 -             }
[INFO] [stdout] 12 +             matches!(**ty, syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: large size difference between variants
[INFO] [stdout]   --> src/macro_async_test.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | /   enum TestKind {
[INFO] [stdout] 21 | | /     Simple {
[INFO] [stdout] 22 | | |         callback_ident: syn::Ident
[INFO] [stdout] 23 | | |     },
[INFO] [stdout]    | | |_____- the second-largest variant contains at least 24 bytes
[INFO] [stdout] 24 | | /     Fallible {
[INFO] [stdout] 25 | | |         callback_ident: syn::Ident,
[INFO] [stdout] 26 | | |         result_ty: syn::Type
[INFO] [stdout] 27 | | |     },
[INFO] [stdout]    | | |_____- the largest variant contains at least 288 bytes
[INFO] [stdout] 28 | |       Synchronous
[INFO] [stdout] 29 | |   }
[INFO] [stdout]    | |___^ the entire enum is at least 288 bytes
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stdout]    = note: `#[warn(clippy::large_enum_variant)]` on by default
[INFO] [stdout] help: consider boxing the large fields or introducing indirection in some other way to reduce the total size of the enum
[INFO] [stdout]    |
[INFO] [stdout] 26 -         result_ty: syn::Type
[INFO] [stdout] 26 +         result_ty: Box<syn::Type>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/macro_async_test.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     if !bound.path.leading_colon.is_none() ||
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `bound.path.leading_colon.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: large size difference between variants
[INFO] [stdout]   --> src/macro_async_test.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /      enum Kind {
[INFO] [stdout] 73 | |          Simple,
[INFO] [stdout]    | |          ------ the second-largest variant carries no data at all
[INFO] [stdout] 74 | |/         Fallible {
[INFO] [stdout] 75 | ||             result_ty: syn::Type
[INFO] [stdout] 76 | ||         }
[INFO] [stdout]    | ||_________- the largest variant contains at least 264 bytes
[INFO] [stdout] 77 | |      }
[INFO] [stdout]    | |______^ the entire enum is at least 264 bytes
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stdout] help: consider boxing the large fields or introducing indirection in some other way to reduce the total size of the enum
[INFO] [stdout]    |
[INFO] [stdout] 75 -             result_ty: syn::Type
[INFO] [stdout] 75 +             result_ty: Box<syn::Type>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/macro_async_test.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let inner;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]     = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `inner` here and remove the assignments from the `match` arms
[INFO] [stdout]     |
[INFO] [stdout] 191 ~     
[INFO] [stdout] 192 ~     let inner = match test_kind {
[INFO] [stdout] 193 |         TestKind::Simple { callback_ident } => {
[INFO] [stdout] ...
[INFO] [stdout] 204 |
[INFO] [stdout] 205 ~             quote! {
[INFO] [stdout] 206 |                 #prelude
[INFO] [stdout] 207 |                 #block
[INFO] [stdout] 208 ~             }
[INFO] [stdout] 209 |         },
[INFO] [stdout] ...
[INFO] [stdout] 227 |
[INFO] [stdout] 228 ~             quote! {
[INFO] [stdout] 229 |                 #prelude
[INFO] [stdout] 230 |                 #block
[INFO] [stdout] 231 ~             }
[INFO] [stdout] 232 |         },
[INFO] [stdout] 233 |         TestKind::Synchronous => {
[INFO] [stdout] 234 ~             quote! {
[INFO] [stdout] 235 |                 (move || {
[INFO] [stdout] ...
[INFO] [stdout] 243 |         }
[INFO] [stdout] 244 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]   --> src/macro_js.rs:16:46
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let inner_no_return = outer_no_return || snippet.code( 0 ).contains( "return" ) == false;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!snippet.code( 0 ).contains( "return" )`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/macro_js.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let call_args: Vec< _ >;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `call_args` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 38 ~     
[INFO] [stdout] 39 ~     let call_args: Vec< _ > = if inner_no_return && !outer_no_return {
[INFO] [stdout] 40 ~         arg_names.into_iter().skip( 1 ).collect()
[INFO] [stdout] 41 |     } else {
[INFO] [stdout] 42 ~         arg_names.into_iter().collect()
[INFO] [stdout] 43 ~     };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/js_stringify.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 | /             match chunk {
[INFO] [stdout] 46 | |                 Chunk::Block( .. ) => true,
[INFO] [stdout] 47 | |                 _ => false
[INFO] [stdout] 48 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 45 -             match chunk {
[INFO] [stdout] 46 -                 Chunk::Block( .. ) => true,
[INFO] [stdout] 47 -                 _ => false
[INFO] [stdout] 48 -             }
[INFO] [stdout] 45 +             matches!(chunk, Chunk::Block( .. ))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> src/js_stringify.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 |         ).fold( 0, |sum, len| sum + len );
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<usize>()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/js_stringify.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Block( syn::Block )
[INFO] [stdout]    |     -----  ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Block( syn::Block )
[INFO] [stdout] 10 +     Block( () )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> src/utils.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     (0..count).into_iter().map( |nth| {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(0..count)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/macro_js_export.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     match ty {
[INFO] [stdout] 50 | |         &syn::Type::Reference( ref ty ) => {
[INFO] [stdout] 51 | |             assert!( ty.mutability.is_none(), "`mut` bindings are not supported" );
[INFO] [stdout] 52 | |             match *ty.elem {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         _ => ExportType::Unknown( ty.clone() )
[INFO] [stdout] 76 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout]    = note: `#[warn(clippy::match_ref_pats)]` on by default
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 49 ~     match *ty {
[INFO] [stdout] 50 ~         syn::Type::Reference( ref ty ) => {
[INFO] [stdout] 51 |             assert!( ty.mutability.is_none(), "`mut` bindings are not supported" );
[INFO] [stdout] ...
[INFO] [stdout] 61 |         },
[INFO] [stdout] 62 ~         syn::Type::Path( ref path ) => {
[INFO] [stdout] 63 |             let name = match match_shallow_path( &path.path ) {
[INFO] [stdout] ...
[INFO] [stdout] 73 |         },
[INFO] [stdout] 74 ~         syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => ExportType::Unit,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/macro_js_export.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &syn::Type::Reference( ref ty ) => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrowed_reference)]` on by default
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 50 -         &syn::Type::Reference( ref ty ) => {
[INFO] [stdout] 50 +         syn::Type::Reference( ty ) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/macro_js_export.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         &syn::Type::Path( ref path ) => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 62 -         &syn::Type::Path( ref path ) => {
[INFO] [stdout] 62 +         syn::Type::Path( path ) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/macro_js_export.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         &syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => ExportType::Unit,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 74 -         &syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => ExportType::Unit,
[INFO] [stdout] 74 +         syn::Type::Tuple( tuple ) if tuple.elems.is_empty() => ExportType::Unit,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stdout]    --> src/macro_js_export.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |       let return_ty = match &decl.output {
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 273 | |         &syn::ReturnType::Default => ExportType::Unit,
[INFO] [stdout] 274 | |         &syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stdout] 275 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 272 ~     let return_ty = match decl.output {
[INFO] [stdout] 273 ~         syn::ReturnType::Default => ExportType::Unit,
[INFO] [stdout] 274 ~         syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]    --> src/macro_js_export.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         &syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]     |
[INFO] [stdout] 274 -         &syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stdout] 274 +         syn::ReturnType::Type( _, ty ) => match_type( ty )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/macro_async_test.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     match return_type {
[INFO] [stdout] 10 | |         &syn::ReturnType::Default => true,
[INFO] [stdout] 11 | |         &syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stdout] 12 | |             match **ty {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout]  9 ~     match *return_type {
[INFO] [stdout] 10 ~         syn::ReturnType::Default => true,
[INFO] [stdout] 11 ~         syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a tuple pattern where every element takes a reference
[INFO] [stdout]   --> src/macro_async_test.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         &syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout] help: try removing the `&` and `ref` parts
[INFO] [stdout]    |
[INFO] [stdout] 11 -         &syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stdout] 11 +         syn::ReturnType::Type( _, ty ) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/macro_async_test.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | /             match **ty {
[INFO] [stdout] 13 | |                 syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => true,
[INFO] [stdout] 14 | |                 _ => false
[INFO] [stdout] 15 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 12 -             match **ty {
[INFO] [stdout] 13 -                 syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty() => true,
[INFO] [stdout] 14 -                 _ => false
[INFO] [stdout] 15 -             }
[INFO] [stdout] 12 +             matches!(**ty, syn::Type::Tuple( ref tuple ) if tuple.elems.is_empty())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: large size difference between variants
[INFO] [stdout]   --> src/macro_async_test.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | /   enum TestKind {
[INFO] [stdout] 21 | | /     Simple {
[INFO] [stdout] 22 | | |         callback_ident: syn::Ident
[INFO] [stdout] 23 | | |     },
[INFO] [stdout]    | | |_____- the second-largest variant contains at least 24 bytes
[INFO] [stdout] 24 | | /     Fallible {
[INFO] [stdout] 25 | | |         callback_ident: syn::Ident,
[INFO] [stdout] 26 | | |         result_ty: syn::Type
[INFO] [stdout] 27 | | |     },
[INFO] [stdout]    | | |_____- the largest variant contains at least 288 bytes
[INFO] [stdout] 28 | |       Synchronous
[INFO] [stdout] 29 | |   }
[INFO] [stdout]    | |___^ the entire enum is at least 288 bytes
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stdout]    = note: `#[warn(clippy::large_enum_variant)]` on by default
[INFO] [stdout] help: consider boxing the large fields or introducing indirection in some other way to reduce the total size of the enum
[INFO] [stdout]    |
[INFO] [stdout] 26 -         result_ty: syn::Type
[INFO] [stdout] 26 +         result_ty: Box<syn::Type>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/macro_async_test.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     if !bound.path.leading_colon.is_none() ||
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `bound.path.leading_colon.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: large size difference between variants
[INFO] [stdout]   --> src/macro_async_test.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /      enum Kind {
[INFO] [stdout] 73 | |          Simple,
[INFO] [stdout]    | |          ------ the second-largest variant carries no data at all
[INFO] [stdout] 74 | |/         Fallible {
[INFO] [stdout] 75 | ||             result_ty: syn::Type
[INFO] [stdout] 76 | ||         }
[INFO] [stdout]    | ||_________- the largest variant contains at least 264 bytes
[INFO] [stdout] 77 | |      }
[INFO] [stdout]    | |______^ the entire enum is at least 264 bytes
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stdout] help: consider boxing the large fields or introducing indirection in some other way to reduce the total size of the enum
[INFO] [stdout]    |
[INFO] [stdout] 75 -             result_ty: syn::Type
[INFO] [stdout] 75 +             result_ty: Box<syn::Type>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/macro_async_test.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let inner;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]     = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `inner` here and remove the assignments from the `match` arms
[INFO] [stdout]     |
[INFO] [stdout] 191 ~     
[INFO] [stdout] 192 ~     let inner = match test_kind {
[INFO] [stdout] 193 |         TestKind::Simple { callback_ident } => {
[INFO] [stdout] ...
[INFO] [stdout] 204 |
[INFO] [stdout] 205 ~             quote! {
[INFO] [stdout] 206 |                 #prelude
[INFO] [stdout] 207 |                 #block
[INFO] [stdout] 208 ~             }
[INFO] [stdout] 209 |         },
[INFO] [stdout] ...
[INFO] [stdout] 227 |
[INFO] [stdout] 228 ~             quote! {
[INFO] [stdout] 229 |                 #prelude
[INFO] [stdout] 230 |                 #block
[INFO] [stdout] 231 ~             }
[INFO] [stdout] 232 |         },
[INFO] [stdout] 233 |         TestKind::Synchronous => {
[INFO] [stdout] 234 ~             quote! {
[INFO] [stdout] 235 |                 (move || {
[INFO] [stdout] ...
[INFO] [stdout] 243 |         }
[INFO] [stdout] 244 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]   --> src/macro_js.rs:16:46
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let inner_no_return = outer_no_return || snippet.code( 0 ).contains( "return" ) == false;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!snippet.code( 0 ).contains( "return" )`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/macro_js.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let call_args: Vec< _ >;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `call_args` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 38 ~     
[INFO] [stdout] 39 ~     let call_args: Vec< _ > = if inner_no_return && !outer_no_return {
[INFO] [stdout] 40 ~         arg_names.into_iter().skip( 1 ).collect()
[INFO] [stdout] 41 |     } else {
[INFO] [stdout] 42 ~         arg_names.into_iter().collect()
[INFO] [stdout] 43 ~     };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/js_stringify.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 | /             match chunk {
[INFO] [stdout] 46 | |                 Chunk::Block( .. ) => true,
[INFO] [stdout] 47 | |                 _ => false
[INFO] [stdout] 48 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 45 -             match chunk {
[INFO] [stdout] 46 -                 Chunk::Block( .. ) => true,
[INFO] [stdout] 47 -                 _ => false
[INFO] [stdout] 48 -             }
[INFO] [stdout] 45 +             matches!(chunk, Chunk::Block( .. ))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> src/js_stringify.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 |         ).fold( 0, |sum, len| sum + len );
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<usize>()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `Command { std: "docker" "inspect" "87c3ec61e9caa118abbd00fffea54c652979d25a7b46174e88221c72e18c94a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c3ec61e9caa118abbd00fffea54c652979d25a7b46174e88221c72e18c94a1", kill_on_drop: false }`
[INFO] [stdout] 87c3ec61e9caa118abbd00fffea54c652979d25a7b46174e88221c72e18c94a1