[INFO] updating cached repository EmmaLa/tokio-chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EmmaLa/tokio-chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EmmaLa/tokio-chat" "work/ex/clippy-test-run/sources/stable/gh/EmmaLa/tokio-chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/EmmaLa/tokio-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EmmaLa/tokio-chat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/EmmaLa/tokio-chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/EmmaLa/tokio-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf17a85c54d53a88e8ceb4789897defe10667c70
[INFO] sha for GitHub repo EmmaLa/tokio-chat: bf17a85c54d53a88e8ceb4789897defe10667c70
[INFO] validating manifest of EmmaLa/tokio-chat 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 EmmaLa/tokio-chat 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 EmmaLa/tokio-chat
[INFO] finished frobbing EmmaLa/tokio-chat
[INFO] frobbed toml for EmmaLa/tokio-chat written to work/ex/clippy-test-run/sources/stable/gh/EmmaLa/tokio-chat/Cargo.toml
[INFO] started frobbing EmmaLa/tokio-chat
[INFO] finished frobbing EmmaLa/tokio-chat
[INFO] frobbed toml for EmmaLa/tokio-chat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/EmmaLa/tokio-chat/Cargo.toml
[INFO] crate EmmaLa/tokio-chat has a lockfile. skipping
[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 EmmaLa/tokio-chat 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/gh/EmmaLa/tokio-chat:/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] 381532a08db2f4764834a1ebb9594173a512e35ecc69f3856f4409c4cccb8cb2
[INFO] running `"docker" "start" "-a" "381532a08db2f4764834a1ebb9594173a512e35ecc69f3856f4409c4cccb8cb2"`
[INFO] [stderr]     Checking tokio-io v0.1.5
[INFO] [stderr]     Checking mio v0.6.13
[INFO] [stderr]     Checking tokio v0.1.1
[INFO] [stderr]     Checking tokio-chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `AsyncWrite`
[INFO] [stderr]  --> src/main.rs:9:28
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio_io::{ AsyncRead, AsyncWrite};
[INFO] [stderr]   |                            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::{Write};
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::sync::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Ok(Async::Ready(0)) => return Ok(Async::Ready( None )),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Async::Ready( None ))`
[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/main.rs:71:36
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Ok(Async::Ready(_)) => return Ok(Async::Ready( Some(self.buffer.clone()) )),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Async::Ready( Some(self.buffer.clone()) ))`
[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/main.rs:72:23
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Err(_) => return Err(Error) ,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error)`
[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/main.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |             _ => return Ok(Async::NotReady),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Async::NotReady)`
[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: unused import: `AsyncWrite`
[INFO] [stderr]  --> src/main.rs:9:28
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio_io::{ AsyncRead, AsyncWrite};
[INFO] [stderr]   |                            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::{Write};
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::sync::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Ok(Async::Ready(0)) => return Ok(Async::Ready( None )),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Async::Ready( None ))`
[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/main.rs:71:36
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Ok(Async::Ready(_)) => return Ok(Async::Ready( Some(self.buffer.clone()) )),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Async::Ready( Some(self.buffer.clone()) ))`
[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/main.rs:72:23
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Err(_) => return Err(Error) ,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error)`
[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/main.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |             _ => return Ok(Async::NotReady),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Async::NotReady)`
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut chuck_data = chunk_data.for_each(move |data| {
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Rx`
[INFO] [stderr]   --> src/main.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | type Rx = mpsc::UnboundedReceiver<BytesMut>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `state`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     state: Rc<RefCell<SharedState>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         loop {
[INFO] [stderr] 52 | |             self.buffer.reserve(1024);
[INFO] [stderr] 53 | |             let result = self.socket.read_buf(&mut self.buffer);
[INFO] [stderr] 54 | |             match result {
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |
[INFO] [stderr] 60 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/main.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |                   if let Err(_) = result {
[INFO] [stderr]    |  _________________-      ^^^^^^
[INFO] [stderr] 85 | |                     eprintln!("warning: client no longer connected ({:?})", addr);
[INFO] [stderr] 86 | |                 }
[INFO] [stderr]    | |_________________- help: try this: `if result.is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tokio-chat`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut chuck_data = chunk_data.for_each(move |data| {
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Rx`
[INFO] [stderr]   --> src/main.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | type Rx = mpsc::UnboundedReceiver<BytesMut>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `state`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     state: Rc<RefCell<SharedState>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | /         loop {
[INFO] [stderr] 52 | |             self.buffer.reserve(1024);
[INFO] [stderr] 53 | |             let result = self.socket.read_buf(&mut self.buffer);
[INFO] [stderr] 54 | |             match result {
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |
[INFO] [stderr] 60 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/main.rs:84:24
[INFO] [stderr]    |
[INFO] [stderr] 84 |                   if let Err(_) = result {
[INFO] [stderr]    |  _________________-      ^^^^^^
[INFO] [stderr] 85 | |                     eprintln!("warning: client no longer connected ({:?})", addr);
[INFO] [stderr] 86 | |                 }
[INFO] [stderr]    | |_________________- help: try this: `if result.is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tokio-chat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "381532a08db2f4764834a1ebb9594173a512e35ecc69f3856f4409c4cccb8cb2"`
[INFO] running `"docker" "rm" "-f" "381532a08db2f4764834a1ebb9594173a512e35ecc69f3856f4409c4cccb8cb2"`
[INFO] [stdout] 381532a08db2f4764834a1ebb9594173a512e35ecc69f3856f4409c4cccb8cb2