[INFO] updating cached repository markfknight/websocket-chat-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/markfknight/websocket-chat-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/markfknight/websocket-chat-server" "work/ex/clippy-test-run/sources/stable/gh/markfknight/websocket-chat-server"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/markfknight/websocket-chat-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/markfknight/websocket-chat-server" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/markfknight/websocket-chat-server"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/markfknight/websocket-chat-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d1c374f61bf05d22d33811d2d5d1844e03f52d0
[INFO] sha for GitHub repo markfknight/websocket-chat-server: 8d1c374f61bf05d22d33811d2d5d1844e03f52d0
[INFO] validating manifest of markfknight/websocket-chat-server 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 markfknight/websocket-chat-server 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 markfknight/websocket-chat-server
[INFO] finished frobbing markfknight/websocket-chat-server
[INFO] frobbed toml for markfknight/websocket-chat-server written to work/ex/clippy-test-run/sources/stable/gh/markfknight/websocket-chat-server/Cargo.toml
[INFO] started frobbing markfknight/websocket-chat-server
[INFO] finished frobbing markfknight/websocket-chat-server
[INFO] frobbed toml for markfknight/websocket-chat-server written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/markfknight/websocket-chat-server/Cargo.toml
[INFO] crate markfknight/websocket-chat-server 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 markfknight/websocket-chat-server against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/markfknight/websocket-chat-server:/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] eaa8d63435afa7b251b94dbba5e14f728bb9cafea76e84cfc00b3cfe173d771d
[INFO] running `"docker" "start" "-a" "eaa8d63435afa7b251b94dbba5e14f728bb9cafea76e84cfc00b3cfe173d771d"`
[INFO] [stderr]     Checking websocket-chat-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for event in events.iter() {
[INFO] [stderr]    |             ^^^^^ help: consider using `_event` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for event in events.iter() {
[INFO] [stderr]    |             ^^^^^ help: consider using `_event` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "eaa8d63435afa7b251b94dbba5e14f728bb9cafea76e84cfc00b3cfe173d771d"`
[INFO] running `"docker" "rm" "-f" "eaa8d63435afa7b251b94dbba5e14f728bb9cafea76e84cfc00b3cfe173d771d"`
[INFO] [stdout] eaa8d63435afa7b251b94dbba5e14f728bb9cafea76e84cfc00b3cfe173d771d