[INFO] updating cached repository hoodie/peerchat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hoodie/peerchat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hoodie/peerchat" "work/ex/clippy-test-run/sources/stable/gh/hoodie/peerchat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hoodie/peerchat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hoodie/peerchat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hoodie/peerchat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hoodie/peerchat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e21ac00fe3f41b321192d32d60964db24e016fe
[INFO] sha for GitHub repo hoodie/peerchat: 6e21ac00fe3f41b321192d32d60964db24e016fe
[INFO] validating manifest of hoodie/peerchat 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 hoodie/peerchat 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 hoodie/peerchat
[INFO] finished frobbing hoodie/peerchat
[INFO] frobbed toml for hoodie/peerchat written to work/ex/clippy-test-run/sources/stable/gh/hoodie/peerchat/Cargo.toml
[INFO] started frobbing hoodie/peerchat
[INFO] finished frobbing hoodie/peerchat
[INFO] frobbed toml for hoodie/peerchat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hoodie/peerchat/Cargo.toml
[INFO] crate hoodie/peerchat 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 hoodie/peerchat against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/hoodie/peerchat:/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] fb70eb0ea906a7687e569b8d10cd8e001d5e771dd9ddbeea47da442e4a37efe5
[INFO] running `"docker" "start" "-a" "fb70eb0ea906a7687e569b8d10cd8e001d5e771dd9ddbeea47da442e4a37efe5"`
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking peerchat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> examples/peerchat.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |           if let Ok(_) = io::stdin().read_line(&mut input) {
[INFO] [stderr]    |  _________-      ^^^^^
[INFO] [stderr] 20 | |             if let Some(input) = input.lines().nth(0){
[INFO] [stderr] 21 | |                 send_as(name, input)
[INFO] [stderr] 22 | |             }
[INFO] [stderr] 23 | |         } else {
[INFO] [stderr] 24 | |             break;
[INFO] [stderr] 25 | |         }
[INFO] [stderr]    | |_________- help: try this: `if io::stdin().read_line(&mut input).is_ok()`
[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] warning: the `msg @ _` pattern can be written as just `msg`
[INFO] [stderr]   --> examples/peerchat.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     msg @ _ => warn!("unhandled message: {:?}", msg)
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> examples/server.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn broadcast(msg: &str, receivers: &[SocketAddr]) {
[INFO] [stderr]    |              ^^^ help: consider using `_msg` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receivers`
[INFO] [stderr]   --> examples/server.rs:56:25
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn broadcast(msg: &str, receivers: &[SocketAddr]) {
[INFO] [stderr]    |                         ^^^^^^^^^ help: consider using `_receivers` instead
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> examples/minimal.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |           if let Ok(_) = io::stdin().read_line(&mut input) {
[INFO] [stderr]    |  _________-      ^^^^^
[INFO] [stderr] 19 | |             if let Some(msg) = input.lines().nth(0){
[INFO] [stderr] 20 | |
[INFO] [stderr] 21 | |     send_msg(
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |             break;
[INFO] [stderr] 31 | |         }
[INFO] [stderr]    | |_________- help: try this: `if io::stdin().read_line(&mut input).is_ok()`
[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] warning: the `msg @ _` pattern can be written as just `msg`
[INFO] [stderr]   --> examples/minimal.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     msg @ _ => warn!("unhandled message: {:?}", msg)
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `broadcast`
[INFO] [stderr]   --> examples/server.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn broadcast(msg: &str, receivers: &[SocketAddr]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `msg @ _` pattern can be written as just `msg`
[INFO] [stderr]   --> examples/server.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     msg @ _ => warn!("unhandled message: {:?}", msg)
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `"docker" "inspect" "fb70eb0ea906a7687e569b8d10cd8e001d5e771dd9ddbeea47da442e4a37efe5"`
[INFO] running `"docker" "rm" "-f" "fb70eb0ea906a7687e569b8d10cd8e001d5e771dd9ddbeea47da442e4a37efe5"`
[INFO] [stdout] fb70eb0ea906a7687e569b8d10cd8e001d5e771dd9ddbeea47da442e4a37efe5