[INFO] crate cluExtIO 0.1.2 is already in cache
[INFO] extracting crate cluExtIO 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/cluExtIO/0.1.2
[INFO] extracting crate cluExtIO 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cluExtIO/0.1.2
[INFO] validating manifest of cluExtIO-0.1.2 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 cluExtIO-0.1.2 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 cluExtIO-0.1.2
[INFO] finished frobbing cluExtIO-0.1.2
[INFO] frobbed toml for cluExtIO-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/cluExtIO/0.1.2/Cargo.toml
[INFO] started frobbing cluExtIO-0.1.2
[INFO] finished frobbing cluExtIO-0.1.2
[INFO] frobbed toml for cluExtIO-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cluExtIO/0.1.2/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 cluExtIO-0.1.2 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cluExtIO/0.1.2:/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 -Dclippy::into_iter_on_array" "-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] 6bdcce357144b100f25d7e189b2b8e64be2718bda6ef760c3590dd8ede4be738
[INFO] running `"docker" "start" "-a" "6bdcce357144b100f25d7e189b2b8e64be2718bda6ef760c3590dd8ede4be738"`
[INFO] [stderr]     Checking cluExtIO v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/write/union/write.rs:37:36
[INFO] [stderr]    |
[INFO] [stderr] 37 |                            Ok(s2) => return Ok({
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 38 | |                               if s2 >= s {
[INFO] [stderr] 39 | |                                    s
[INFO] [stderr] 40 | |                               }else {
[INFO] [stderr] 41 | |                                    s2
[INFO] [stderr] 42 | |                               }
[INFO] [stderr] 43 | |                          }),
[INFO] [stderr]    | |___________________________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 37 |                          Ok(s2) => Ok({
[INFO] [stderr] 38 |                               if s2 >= s {
[INFO] [stderr] 39 |                                    s
[INFO] [stderr] 40 |                               }else {
[INFO] [stderr] 41 |                                    s2
[INFO] [stderr] 42 |                               }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/write/union/write.rs:44:31
[INFO] [stderr]    |
[INFO] [stderr] 44 |                          a => return a,
[INFO] [stderr]    |                               ^^^^^^^^ help: remove `return` as shown: `a`
[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: unneeded return statement
[INFO] [stderr]   --> src/write/union/write.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                a => return a,
[INFO] [stderr]    |                     ^^^^^^^^ help: remove `return` as shown: `a`
[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: unneeded return statement
[INFO] [stderr]   --> src/write/union/write.rs:37:36
[INFO] [stderr]    |
[INFO] [stderr] 37 |                            Ok(s2) => return Ok({
[INFO] [stderr]    |  ____________________________________^
[INFO] [stderr] 38 | |                               if s2 >= s {
[INFO] [stderr] 39 | |                                    s
[INFO] [stderr] 40 | |                               }else {
[INFO] [stderr] 41 | |                                    s2
[INFO] [stderr] 42 | |                               }
[INFO] [stderr] 43 | |                          }),
[INFO] [stderr]    | |___________________________^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 37 |                          Ok(s2) => Ok({
[INFO] [stderr] 38 |                               if s2 >= s {
[INFO] [stderr] 39 |                                    s
[INFO] [stderr] 40 |                               }else {
[INFO] [stderr] 41 |                                    s2
[INFO] [stderr] 42 |                               }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/write/union/write.rs:44:31
[INFO] [stderr]    |
[INFO] [stderr] 44 |                          a => return a,
[INFO] [stderr]    |                               ^^^^^^^^ help: remove `return` as shown: `a`
[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: unneeded return statement
[INFO] [stderr]   --> src/write/union/write.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |                a => return a,
[INFO] [stderr]    |                     ^^^^^^^^ help: remove `return` as shown: `a`
[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: crate `cluExtIO` should have a snake case name such as `clu_ext_io`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/write/mutex/mod.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 | /      fn _lock<'a>(&'a self) -> MutexGuard<'a, T> {
[INFO] [stderr] 31 | |           match self.0.lock() {
[INFO] [stderr] 32 | |                Ok(a) => a,
[INFO] [stderr] 33 | |                Err(e) => e.into_inner(),
[INFO] [stderr] 34 | |           }
[INFO] [stderr] 35 | |      }
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `write::empty::EmptyWrite`
[INFO] [stderr]   --> src/write/empty.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |       pub fn new() -> Self {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 16 | |         EmptyWrite
[INFO] [stderr] 17 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: crate `cluExtIO` should have a snake case name such as `clu_ext_io`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/write/mutex/mod.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 | /      fn _lock<'a>(&'a self) -> MutexGuard<'a, T> {
[INFO] [stderr] 31 | |           match self.0.lock() {
[INFO] [stderr] 32 | |                Ok(a) => a,
[INFO] [stderr] 33 | |                Err(e) => e.into_inner(),
[INFO] [stderr] 34 | |           }
[INFO] [stderr] 35 | |      }
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `write::empty::EmptyWrite`
[INFO] [stderr]   --> src/write/empty.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |       pub fn new() -> Self {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 16 | |         EmptyWrite
[INFO] [stderr] 17 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "6bdcce357144b100f25d7e189b2b8e64be2718bda6ef760c3590dd8ede4be738"`
[INFO] running `"docker" "rm" "-f" "6bdcce357144b100f25d7e189b2b8e64be2718bda6ef760c3590dd8ede4be738"`
[INFO] [stdout] 6bdcce357144b100f25d7e189b2b8e64be2718bda6ef760c3590dd8ede4be738