[INFO] crate tokio-tungstenite 0.6.0 is already in cache
[INFO] extracting crate tokio-tungstenite 0.6.0 into work/ex/clippy-test-run/sources/stable/reg/tokio-tungstenite/0.6.0
[INFO] extracting crate tokio-tungstenite 0.6.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokio-tungstenite/0.6.0
[INFO] validating manifest of tokio-tungstenite-0.6.0 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 tokio-tungstenite-0.6.0 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 tokio-tungstenite-0.6.0
[INFO] finished frobbing tokio-tungstenite-0.6.0
[INFO] frobbed toml for tokio-tungstenite-0.6.0 written to work/ex/clippy-test-run/sources/stable/reg/tokio-tungstenite/0.6.0/Cargo.toml
[INFO] started frobbing tokio-tungstenite-0.6.0
[INFO] finished frobbing tokio-tungstenite-0.6.0
[INFO] frobbed toml for tokio-tungstenite-0.6.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokio-tungstenite/0.6.0/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 tokio-tungstenite-0.6.0 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/tokio-tungstenite/0.6.0:/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] 6dc15576ea0180b55b590e7e11e7de80d7f3fc6f4c6a5989830d6dd8042b6a8f
[INFO] running `"docker" "start" "-a" "6dc15576ea0180b55b590e7e11e7de80d7f3fc6f4c6a5989830d6dd8042b6a8f"`
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]     Checking block-buffer v0.7.2
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/connect.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |                             .map_err(|e| Error::Tls(e)))
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::Tls`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/connect.rs:66:34
[INFO] [stderr]    |
[INFO] [stderr] 66 |                             .map(|s| StreamSwitcher::Tls(s))
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `StreamSwitcher::Tls`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/connect.rs:127:47
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Err(e) => return Box::new(future::err(e.into())),
[INFO] [stderr]     |                                               ^^^^^^^^ help: consider removing `.into()`: `e`
[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: redundant closure found
[INFO] [stderr]    --> src/lib.rs:196:39
[INFO] [stderr]     |
[INFO] [stderr] 196 |         self.inner.read_message().map(|m| Some(m)).to_async()
[INFO] [stderr]     |                                       ^^^^^^^^^^^ help: remove closure as shown: `Some`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/connect.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |                             .map_err(|e| Error::Tls(e)))
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::Tls`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/connect.rs:66:34
[INFO] [stderr]    |
[INFO] [stderr] 66 |                             .map(|s| StreamSwitcher::Tls(s))
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `StreamSwitcher::Tls`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/connect.rs:127:47
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Err(e) => return Box::new(future::err(e.into())),
[INFO] [stderr]     |                                               ^^^^^^^^ help: consider removing `.into()`: `e`
[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: redundant closure found
[INFO] [stderr]    --> src/lib.rs:196:39
[INFO] [stderr]     |
[INFO] [stderr] 196 |         self.inner.read_message().map(|m| Some(m)).to_async()
[INFO] [stderr]     |                                       ^^^^^^^^^^^ help: remove closure as shown: `Some`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> examples/server.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let addr = env::args().nth(1).unwrap_or("127.0.0.1:8080".to_string());
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "127.0.0.1:8080".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.01s
[INFO] running `"docker" "inspect" "6dc15576ea0180b55b590e7e11e7de80d7f3fc6f4c6a5989830d6dd8042b6a8f"`
[INFO] running `"docker" "rm" "-f" "6dc15576ea0180b55b590e7e11e7de80d7f3fc6f4c6a5989830d6dd8042b6a8f"`
[INFO] [stdout] 6dc15576ea0180b55b590e7e11e7de80d7f3fc6f4c6a5989830d6dd8042b6a8f