[INFO] crate jsonrpc-server-utils 9.0.0 is already in cache
[INFO] extracting crate jsonrpc-server-utils 9.0.0 into work/ex/clippy-test-run/sources/stable/reg/jsonrpc-server-utils/9.0.0
[INFO] extracting crate jsonrpc-server-utils 9.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/jsonrpc-server-utils/9.0.0
[INFO] validating manifest of jsonrpc-server-utils-9.0.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jsonrpc-server-utils-9.0.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jsonrpc-server-utils-9.0.0
[INFO] finished frobbing jsonrpc-server-utils-9.0.0
[INFO] frobbed toml for jsonrpc-server-utils-9.0.0 written to work/ex/clippy-test-run/sources/stable/reg/jsonrpc-server-utils/9.0.0/Cargo.toml
[INFO] started frobbing jsonrpc-server-utils-9.0.0
[INFO] finished frobbing jsonrpc-server-utils-9.0.0
[INFO] frobbed toml for jsonrpc-server-utils-9.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/jsonrpc-server-utils/9.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting jsonrpc-server-utils-9.0.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/jsonrpc-server-utils/9.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4028f88dc5f9263753d72521058aedb7c43b5e2f73bd7b27f2cf214e17cd8e60
[INFO] running `"docker" "start" "-a" "4028f88dc5f9263753d72521058aedb7c43b5e2f73bd7b27f2cf214e17cd8e60"`
[INFO] [stderr]     Checking jsonrpc-core v9.0.0
[INFO] [stderr]     Checking jsonrpc-server-utils v9.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/cors.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 |             protocol: protocol,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `protocol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/cors.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 |             host: host,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `host`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/cors.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 |             matcher: matcher,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `matcher`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 |             hostname: hostname,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `hostname`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 |             port: port,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `port`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 |             matcher: matcher,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `matcher`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/stream_codec.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 |             incoming_separator: incoming_separator,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `incoming_separator`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/stream_codec.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 |             outgoing_separator: outgoing_separator,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `outgoing_separator`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/cors.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 |             protocol: protocol,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `protocol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/cors.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 |             host: host,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `host`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/cors.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 |             matcher: matcher,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `matcher`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 |             hostname: hostname,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `hostname`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 |             port: port,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `port`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 |             matcher: matcher,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `matcher`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/stream_codec.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 |             incoming_separator: incoming_separator,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `incoming_separator`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/stream_codec.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 |             outgoing_separator: outgoing_separator,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `outgoing_separator`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/hosts.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | const SPLIT_PROOF: &'static str = "split always returns non-empty iterator.";
[INFO] [stderr]   |                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/hosts.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | const SPLIT_PROOF: &'static str = "split always returns non-empty iterator.";
[INFO] [stderr]   |                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::runtime::Builder::threadpool_builder': use the `core_threads`, `blocking_threads`, `name_prefix`, `keep_alive`, and `stack_size` functions on `runtime::Builder`, instead
[INFO] [stderr]    --> src/reactor.rs:123:6
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 .threadpool_builder(tp_builder)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::runtime::Builder::threadpool_builder': use the `core_threads`, `blocking_threads`, `name_prefix`, `keep_alive`, and `stack_size` functions on `runtime::Builder`, instead
[INFO] [stderr]    --> src/reactor.rs:123:6
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 .threadpool_builder(tp_builder)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/cors.rs:80:15
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn to_string(protocol: &OriginProtocol, host: &Host) -> String {
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]    --> src/cors.rs:110:2
[INFO] [stderr]     |
[INFO] [stderr] 110 |     Value(Origin),
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]     |
[INFO] [stderr] 110 |     Value(Box<Origin>),
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/cors.rs:242:25
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 only.iter().any(|h| &Ascii::new(&*h) == name) || ALWAYS_ALLOWED_HEADERS.contains(name)
[INFO] [stderr]     |                                     ----------------^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: use the left value directly: `Ascii::new(&*h)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/cors.rs:262:26
[INFO] [stderr]     |
[INFO] [stderr] 262 |                     only.iter().any(|h| &Ascii::new(&*h) == name) || ALWAYS_ALLOWED_HEADERS.contains(name)
[INFO] [stderr]     |                                         ----------------^^^^^^^^
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         help: use the left value directly: `Ascii::new(&*h)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:414:21
[INFO] [stderr]     |
[INFO] [stderr] 414 |         let origin = Some("http://parity.io".into());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"http://parity.io"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:431:21
[INFO] [stderr]     |
[INFO] [stderr] 431 |         let origin = Some("http://parity.io".into());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"http://parity.io"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:461:21
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let origin = Some("null".into());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: consider removing `.into()`: `"null"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:478:21
[INFO] [stderr]     |
[INFO] [stderr] 478 |         let origin = Some("http://parity.io".into());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"http://parity.io"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:495:22
[INFO] [stderr]     |
[INFO] [stderr] 495 |         let origin1 = Some("http://parity.io".into());
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"http://parity.io"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:496:22
[INFO] [stderr]     |
[INFO] [stderr] 496 |         let origin2 = Some("http://parity.iot".into());
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"http://parity.iot"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:497:22
[INFO] [stderr]     |
[INFO] [stderr] 497 |         let origin3 = Some("chrome-extension://test".into());
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"chrome-extension://test"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:525:71
[INFO] [stderr]     |
[INFO] [stderr] 525 |         let res = get_cors_allow_headers(headers.iter(), requested.iter(), &cors_allow_headers.into(), |x| x);
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `cors_allow_headers`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:542:71
[INFO] [stderr]     |
[INFO] [stderr] 542 |         let res = get_cors_allow_headers(headers.iter(), requested.iter(), &cors_allow_headers.into(), |x| (*x).to_owned());
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `cors_allow_headers`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/cors.rs:574:68
[INFO] [stderr]     |
[INFO] [stderr] 574 |         let res = get_cors_allow_headers(headers.iter(), iter::empty(), &cors_allow_headers.into(), |x| x);
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `cors_allow_headers`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/hosts.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Some(port) => match port.clone().parse::<u16>().ok() {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Some(port) => match &(*port).clone().parse::<u16>().ok() {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Some(port) => match &str::clone(port).parse::<u16>().ok() {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/hosts.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn to_string(hostname: &str, port: &Port) -> String {
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/cors.rs:80:15
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn to_string(protocol: &OriginProtocol, host: &Host) -> String {
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]    --> src/cors.rs:110:2
[INFO] [stderr]     |
[INFO] [stderr] 110 |     Value(Origin),
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]     |
[INFO] [stderr] 110 |     Value(Box<Origin>),
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/cors.rs:242:25
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 only.iter().any(|h| &Ascii::new(&*h) == name) || ALWAYS_ALLOWED_HEADERS.contains(name)
[INFO] [stderr]     |                                     ----------------^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: use the left value directly: `Ascii::new(&*h)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/cors.rs:262:26
[INFO] [stderr]     |
[INFO] [stderr] 262 |                     only.iter().any(|h| &Ascii::new(&*h) == name) || ALWAYS_ALLOWED_HEADERS.contains(name)
[INFO] [stderr]     |                                         ----------------^^^^^^^^
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         help: use the left value directly: `Ascii::new(&*h)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/hosts.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Some(port) => match port.clone().parse::<u16>().ok() {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Some(port) => match &(*port).clone().parse::<u16>().ok() {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Some(port) => match &str::clone(port).parse::<u16>().ok() {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/hosts.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn to_string(hostname: &str, port: &Port) -> String {
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `jsonrpc-server-utils`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `jsonrpc-server-utils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4028f88dc5f9263753d72521058aedb7c43b5e2f73bd7b27f2cf214e17cd8e60"`
[INFO] running `"docker" "rm" "-f" "4028f88dc5f9263753d72521058aedb7c43b5e2f73bd7b27f2cf214e17cd8e60"`
[INFO] [stdout] 4028f88dc5f9263753d72521058aedb7c43b5e2f73bd7b27f2cf214e17cd8e60