[INFO] crate phoenix 0.1.2 is already in cache
[INFO] extracting crate phoenix 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/phoenix/0.1.2
[INFO] extracting crate phoenix 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/phoenix/0.1.2
[INFO] validating manifest of phoenix-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 phoenix-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 phoenix-0.1.2
[INFO] finished frobbing phoenix-0.1.2
[INFO] frobbed toml for phoenix-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/phoenix/0.1.2/Cargo.toml
[INFO] started frobbing phoenix-0.1.2
[INFO] finished frobbing phoenix-0.1.2
[INFO] frobbed toml for phoenix-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/phoenix/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 phoenix-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/phoenix/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" "-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] 3154f2b18081e9479e95c81ae3f187a24eebbb99ae1159a1c0871d38e6a0caed
[INFO] running `"docker" "start" "-a" "3154f2b18081e9479e95c81ae3f187a24eebbb99ae1159a1c0871d38e6a0caed"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/examples/basic.rs
[INFO] [stderr]     Checking websocket v0.20.4
[INFO] [stderr]     Checking phoenix v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/event.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]  --> src/event.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde_json;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/socket.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |                   match message {
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 47 | |                     OwnedMessage::Close(_) => {
[INFO] [stderr] 48 | |                         debug!("Received a close message");
[INFO] [stderr] 49 | |                         let _ = sender.send_message(&message);
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |                     _ => (),
[INFO] [stderr] 54 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if let OwnedMessage::Close(_) = message {
[INFO] [stderr] 47 |     debug!("Received a close message");
[INFO] [stderr] 48 |     let _ = sender.send_message(&message);
[INFO] [stderr] 49 |     // If it's a close message, just send it and then return.
[INFO] [stderr] 50 |     return;
[INFO] [stderr] 51 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/socket.rs:104:7
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         send.send(v);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/socket.rs:143:3
[INFO] [stderr]     |
[INFO] [stderr] 143 |         self.count = self.count+1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.count += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/event.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/socket.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |                   match message {
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 47 | |                     OwnedMessage::Close(_) => {
[INFO] [stderr] 48 | |                         debug!("Received a close message");
[INFO] [stderr] 49 | |                         let _ = sender.send_message(&message);
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |                     _ => (),
[INFO] [stderr] 54 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if let OwnedMessage::Close(_) = message {
[INFO] [stderr] 47 |     debug!("Received a close message");
[INFO] [stderr] 48 |     let _ = sender.send_message(&message);
[INFO] [stderr] 49 |     // If it's a close message, just send it and then return.
[INFO] [stderr] 50 |     return;
[INFO] [stderr] 51 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/socket.rs:104:7
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         send.send(v);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/socket.rs:143:3
[INFO] [stderr]     |
[INFO] [stderr] 143 |         self.count = self.count+1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.count += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/basic.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/basic.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/basic.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.91s
[INFO] running `"docker" "inspect" "3154f2b18081e9479e95c81ae3f187a24eebbb99ae1159a1c0871d38e6a0caed"`
[INFO] running `"docker" "rm" "-f" "3154f2b18081e9479e95c81ae3f187a24eebbb99ae1159a1c0871d38e6a0caed"`
[INFO] [stdout] 3154f2b18081e9479e95c81ae3f187a24eebbb99ae1159a1c0871d38e6a0caed