[INFO] crate yamux 0.1.1 is already in cache
[INFO] extracting crate yamux 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/yamux/0.1.1
[INFO] extracting crate yamux 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/yamux/0.1.1
[INFO] validating manifest of yamux-0.1.1 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 yamux-0.1.1 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 yamux-0.1.1
[INFO] finished frobbing yamux-0.1.1
[INFO] frobbed toml for yamux-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/yamux/0.1.1/Cargo.toml
[INFO] started frobbing yamux-0.1.1
[INFO] finished frobbing yamux-0.1.1
[INFO] frobbed toml for yamux-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/yamux/0.1.1/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 yamux-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/yamux/0.1.1:/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] 9fa789c90501245f5ef76a687303aa4de76736e0bd52c5a51c0434a71d662f12
[INFO] running `"docker" "start" "-a" "9fa789c90501245f5ef76a687303aa4de76736e0bd52c5a51c0434a71d662f12"`
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking yamux v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr] warning: unneeded `()`
[INFO] [stderr]    --> src/connection.rs:486:20
[INFO] [stderr]     |
[INFO] [stderr] 486 |             return ()
[INFO] [stderr]     |                    ^^ help: remove the `()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded `()`
[INFO] [stderr]    --> src/connection.rs:489:20
[INFO] [stderr]     |
[INFO] [stderr] 489 |             return ()
[INFO] [stderr]     |                    ^^ help: remove the `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `close_notify` doesn't need a mutable reference
[INFO] [stderr]    --> src/connection.rs:127:37
[INFO] [stderr]     |
[INFO] [stderr] 127 |             c.resource.close_notify(&mut c.tasks, 0)?
[INFO] [stderr]     |                                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr] warning: unneeded `()`
[INFO] [stderr]    --> src/connection.rs:486:20
[INFO] [stderr]     |
[INFO] [stderr] 486 |             return ()
[INFO] [stderr]     |                    ^^ help: remove the `()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded `()`
[INFO] [stderr]    --> src/connection.rs:489:20
[INFO] [stderr]     |
[INFO] [stderr] 489 |             return ()
[INFO] [stderr]     |                    ^^ help: remove the `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `close_notify` doesn't need a mutable reference
[INFO] [stderr]    --> src/connection.rs:127:37
[INFO] [stderr]     |
[INFO] [stderr] 127 |             c.resource.close_notify(&mut c.tasks, 0)?
[INFO] [stderr]     |                                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frame/codec.rs:149:22
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let ty = g.choose(&[Data, WindowUpdate, Ping, GoAway]).unwrap().clone();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*g.choose(&[Data, WindowUpdate, Ping, GoAway]).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/frame/codec.rs:150:23
[INFO] [stderr]     |
[INFO] [stderr] 150 |             let len = g.gen::<u16>() as u32;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(g.gen::<u16>())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/smoke.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     "Hi client!".as_bytes().into(),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"Hi client!"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/smoke.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     "See you!".as_bytes().into()
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"See you!"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/smoke.rs:78:45
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     let future = codec.send("Hi server!".as_bytes().into())
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"Hi server!"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.56s
[INFO] running `"docker" "inspect" "9fa789c90501245f5ef76a687303aa4de76736e0bd52c5a51c0434a71d662f12"`
[INFO] running `"docker" "rm" "-f" "9fa789c90501245f5ef76a687303aa4de76736e0bd52c5a51c0434a71d662f12"`
[INFO] [stdout] 9fa789c90501245f5ef76a687303aa4de76736e0bd52c5a51c0434a71d662f12