[INFO] crate hyper-json-server 0.1.0 is already in cache
[INFO] extracting crate hyper-json-server 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/hyper-json-server/0.1.0
[INFO] extracting crate hyper-json-server 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hyper-json-server/0.1.0
[INFO] validating manifest of hyper-json-server-0.1.0 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 hyper-json-server-0.1.0 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 hyper-json-server-0.1.0
[INFO] finished frobbing hyper-json-server-0.1.0
[INFO] frobbed toml for hyper-json-server-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/hyper-json-server/0.1.0/Cargo.toml
[INFO] started frobbing hyper-json-server-0.1.0
[INFO] finished frobbing hyper-json-server-0.1.0
[INFO] frobbed toml for hyper-json-server-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hyper-json-server/0.1.0/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 hyper-json-server-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/hyper-json-server/0.1.0:/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] 97a05745a3942008518daf343c6f83a930ea025896a16431fbe722eceaf477c5
[INFO] running `"docker" "start" "-a" "97a05745a3942008518daf343c6f83a930ea025896a16431fbe722eceaf477c5"`
[INFO] [stderr]     Checking hyper-json-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/server.rs:123:28
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 Ok(vec) => return Ok(vec),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(vec)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/server.rs:124:27
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 Err(e) => return Err(ErrorKind::BadRequest(e.to_string()).into()),
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ErrorKind::BadRequest(e.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/server.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |       let (status, body) = match error.kind() {
[INFO] [stderr]    |  __________________________^
[INFO] [stderr] 43 | |         &ErrorKind::NotFound(_) => {
[INFO] [stderr] 44 | |             (StatusCode::NotFound, format!("{}", error))
[INFO] [stderr] 45 | |         },
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         _ => (StatusCode::InternalServerError, format!("{}", error))
[INFO] [stderr] 53 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (status, body) = match *error.kind() {
[INFO] [stderr] 43 |         ErrorKind::NotFound(_) => {
[INFO] [stderr] 44 |             (StatusCode::NotFound, format!("{}", error))
[INFO] [stderr] 45 |         },
[INFO] [stderr] 46 |         ErrorKind::BadRequest(_) => {
[INFO] [stderr] 47 |             (StatusCode::BadRequest, format!("{}", error))
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/server.rs:110:59
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn deserialize(&self, path: &str, method: &Method) -> Result<fn(&[u8]) -> Result<<Self as Service>::Request>>;
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/server.rs:120:61
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn deserialize(&self, _path: &str, _method: &Method) -> Result<fn(&[u8]) -> Result<<S as Service>::Request>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/server.rs:123:28
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 Ok(vec) => return Ok(vec),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(vec)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/server.rs:124:27
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 Err(e) => return Err(ErrorKind::BadRequest(e.to_string()).into()),
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(ErrorKind::BadRequest(e.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/server.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |       let (status, body) = match error.kind() {
[INFO] [stderr]    |  __________________________^
[INFO] [stderr] 43 | |         &ErrorKind::NotFound(_) => {
[INFO] [stderr] 44 | |             (StatusCode::NotFound, format!("{}", error))
[INFO] [stderr] 45 | |         },
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         _ => (StatusCode::InternalServerError, format!("{}", error))
[INFO] [stderr] 53 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (status, body) = match *error.kind() {
[INFO] [stderr] 43 |         ErrorKind::NotFound(_) => {
[INFO] [stderr] 44 |             (StatusCode::NotFound, format!("{}", error))
[INFO] [stderr] 45 |         },
[INFO] [stderr] 46 |         ErrorKind::BadRequest(_) => {
[INFO] [stderr] 47 |             (StatusCode::BadRequest, format!("{}", error))
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/server.rs:110:59
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn deserialize(&self, path: &str, method: &Method) -> Result<fn(&[u8]) -> Result<<Self as Service>::Request>>;
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/server.rs:120:61
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn deserialize(&self, _path: &str, _method: &Method) -> Result<fn(&[u8]) -> Result<<S as Service>::Request>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `"docker" "inspect" "97a05745a3942008518daf343c6f83a930ea025896a16431fbe722eceaf477c5"`
[INFO] running `"docker" "rm" "-f" "97a05745a3942008518daf343c6f83a930ea025896a16431fbe722eceaf477c5"`
[INFO] [stdout] 97a05745a3942008518daf343c6f83a930ea025896a16431fbe722eceaf477c5