[INFO] crate port_scanner 0.1.5 is already in cache
[INFO] extracting crate port_scanner 0.1.5 into work/ex/clippy-test-run/sources/stable/reg/port_scanner/0.1.5
[INFO] extracting crate port_scanner 0.1.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/port_scanner/0.1.5
[INFO] validating manifest of port_scanner-0.1.5 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 port_scanner-0.1.5 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 port_scanner-0.1.5
[INFO] finished frobbing port_scanner-0.1.5
[INFO] frobbed toml for port_scanner-0.1.5 written to work/ex/clippy-test-run/sources/stable/reg/port_scanner/0.1.5/Cargo.toml
[INFO] started frobbing port_scanner-0.1.5
[INFO] finished frobbing port_scanner-0.1.5
[INFO] frobbed toml for port_scanner-0.1.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/port_scanner/0.1.5/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 port_scanner-0.1.5 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/reg/port_scanner/0.1.5:/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] 5beaf01f2ffbed530c8897bf93dde038c7113878c94b40695646b3699ba8dcee
[INFO] running `"docker" "start" "-a" "5beaf01f2ffbed530c8897bf93dde038c7113878c94b40695646b3699ba8dcee"`
[INFO] [stderr]     Checking port_scanner v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     match TcpStream::connect(("0.0.0.0", port)) {
[INFO] [stderr] 13 | |         Ok(_) => true,
[INFO] [stderr] 14 | |         Err(_) => false,
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^ help: try this: `TcpStream::connect(("0.0.0.0", port)).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: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     match TcpStream::connect(addr) {
[INFO] [stderr] 27 | |         Ok(_) => true,
[INFO] [stderr] 28 | |         Err(_) => false,
[INFO] [stderr] 29 | |     }
[INFO] [stderr]    | |_____^ help: try this: `TcpStream::connect(addr).is_ok()`
[INFO] [stderr]    |
[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: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/lib.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     match TcpListener::bind(("127.0.0.1", port)) {
[INFO] [stderr] 118 | |         Ok(_) => true,
[INFO] [stderr] 119 | |         Err(_) => false,
[INFO] [stderr] 120 | |     }
[INFO] [stderr]     | |_____^ help: try this: `TcpListener::bind(("127.0.0.1", port)).is_ok()`
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     match TcpStream::connect(("0.0.0.0", port)) {
[INFO] [stderr] 13 | |         Ok(_) => true,
[INFO] [stderr] 14 | |         Err(_) => false,
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^ help: try this: `TcpStream::connect(("0.0.0.0", port)).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: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     match TcpStream::connect(addr) {
[INFO] [stderr] 27 | |         Ok(_) => true,
[INFO] [stderr] 28 | |         Err(_) => false,
[INFO] [stderr] 29 | |     }
[INFO] [stderr]    | |_____^ help: try this: `TcpStream::connect(addr).is_ok()`
[INFO] [stderr]    |
[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: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/lib.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     match TcpListener::bind(("127.0.0.1", port)) {
[INFO] [stderr] 118 | |         Ok(_) => true,
[INFO] [stderr] 119 | |         Err(_) => false,
[INFO] [stderr] 120 | |     }
[INFO] [stderr]     | |_____^ help: try this: `TcpListener::bind(("127.0.0.1", port)).is_ok()`
[INFO] [stderr]     |
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> examples/scan_port.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr] 7  | /     match is_open {
[INFO] [stderr] 8  | |         true => println!("Port 8123 is open"),
[INFO] [stderr] 9  | |         false => println!("Port 8123 is close"),
[INFO] [stderr] 10 | |     }
[INFO] [stderr]    | |_____^ help: consider using an if/else expression: `if is_open { println!("Port 8123 is open") } else { println!("Port 8123 is close") }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `"docker" "inspect" "5beaf01f2ffbed530c8897bf93dde038c7113878c94b40695646b3699ba8dcee"`
[INFO] running `"docker" "rm" "-f" "5beaf01f2ffbed530c8897bf93dde038c7113878c94b40695646b3699ba8dcee"`
[INFO] [stdout] 5beaf01f2ffbed530c8897bf93dde038c7113878c94b40695646b3699ba8dcee