[INFO] crate whois-rust 1.1.4 is already in cache
[INFO] extracting crate whois-rust 1.1.4 into work/ex/clippy-test-run/sources/stable/reg/whois-rust/1.1.4
[INFO] extracting crate whois-rust 1.1.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/whois-rust/1.1.4
[INFO] validating manifest of whois-rust-1.1.4 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 whois-rust-1.1.4 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 whois-rust-1.1.4
[INFO] finished frobbing whois-rust-1.1.4
[INFO] frobbed toml for whois-rust-1.1.4 written to work/ex/clippy-test-run/sources/stable/reg/whois-rust/1.1.4/Cargo.toml
[INFO] started frobbing whois-rust-1.1.4
[INFO] finished frobbing whois-rust-1.1.4
[INFO] frobbed toml for whois-rust-1.1.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/whois-rust/1.1.4/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 whois-rust-1.1.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/whois-rust/1.1.4:/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] e2300cf50b747e203461e292be8d30b879ba1f037594be5ae9c559755514a2a3
[INFO] running `"docker" "start" "-a" "e2300cf50b747e203461e292be8d30b879ba1f037594be5ae9c559755514a2a3"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking number-as v1.0.2
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking validators v0.18.8
[INFO] [stderr]     Checking whois-rust v1.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:398:9
[INFO] [stderr]     |
[INFO] [stderr] 398 |         return Ok(query_result);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(query_result)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:398:9
[INFO] [stderr]     |
[INFO] [stderr] 398 |         return Ok(query_result);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(query_result)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:201:81
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let domain = DomainUnlocalhostableWithoutPort::from_str(domain).map_err(|err| WhoIsError::DomainError(err))?;
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::DomainError`
[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/lib.rs:210:69
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let ipv4 = IPv4LocalableWithoutPort::from_str(ipv4).map_err(|err| WhoIsError::IPv4Error(err))?;
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IPv4Error`
[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/lib.rs:219:69
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let ipv6 = IPv6LocalableWithoutPort::from_str(ipv6).map_err(|err| WhoIsError::IPv6Error(err))?;
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IPv6Error`
[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/lib.rs:247:45
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let file = File::open(path).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:249:77
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let map: Map<String, Value> = serde_json::from_reader(file).map_err(|err| WhoIsError::SerdeJsonError(err))?;
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::SerdeJsonError`
[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/lib.rs:258:76
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let map: Map<String, Value> = serde_json::from_str(string).map_err(|err| WhoIsError::SerdeJsonError(err))?;
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::SerdeJsonError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:300:24
[INFO] [stderr]     |
[INFO] [stderr] 300 |                   if let Some(_) = domain.get_port() {
[INFO] [stderr]     |  _________________-      ^^^^^^^
[INFO] [stderr] 301 | |                     domain.get_full_domain().to_string()
[INFO] [stderr] 302 | |                 } else {
[INFO] [stderr] 303 | |                     format!("{}:{}", domain.get_full_domain(), DEFAULT_WHOIS_HOST_PORT)
[INFO] [stderr] 304 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if domain.get_port().is_some()`
[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_some()`
[INFO] [stderr]    --> src/lib.rs:307:24
[INFO] [stderr]     |
[INFO] [stderr] 307 |                   if let Some(_) = ipv4.get_port() {
[INFO] [stderr]     |  _________________-      ^^^^^^^
[INFO] [stderr] 308 | |                     ipv4.get_full_ipv4().to_string()
[INFO] [stderr] 309 | |                 } else {
[INFO] [stderr] 310 | |                     format!("{}:{}", ipv4.get_full_ipv4(), DEFAULT_WHOIS_HOST_PORT)
[INFO] [stderr] 311 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if ipv4.get_port().is_some()`
[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_some()`
[INFO] [stderr]    --> src/lib.rs:314:24
[INFO] [stderr]     |
[INFO] [stderr] 314 |                   if let Some(_) = ipv6.get_port() {
[INFO] [stderr]     |  _________________-      ^^^^^^^
[INFO] [stderr] 315 | |                     ipv6.get_full_ipv6().to_string()
[INFO] [stderr] 316 | |                 } else {
[INFO] [stderr] 317 | |                     format!("[{}]:{}", ipv6.get_full_ipv6(), DEFAULT_WHOIS_HOST_PORT)
[INFO] [stderr] 318 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if ipv6.get_port().is_some()`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:323:84
[INFO] [stderr]     |
[INFO] [stderr] 323 |             let mut socket_addrs: Vec<SocketAddr> = addr.to_socket_addrs().map_err(|err| WhoIsError::IOError(err))?.collect();
[INFO] [stderr]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:328:17
[INFO] [stderr]     |
[INFO] [stderr] 328 | /                 match TcpStream::connect_timeout(&socket_addr, timeout) {
[INFO] [stderr] 329 | |                     Ok(c) => {
[INFO] [stderr] 330 | |                         client = Some(c);
[INFO] [stderr] 331 | |                         break;
[INFO] [stderr] 332 | |                     }
[INFO] [stderr] 333 | |                     Err(_) => ()
[INFO] [stderr] 334 | |                 }
[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] 328 |                 if let Ok(c) = TcpStream::connect_timeout(&socket_addr, timeout) {
[INFO] [stderr] 329 |     client = Some(c);
[INFO] [stderr] 330 |     break;
[INFO] [stderr] 331 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:341:75
[INFO] [stderr]     |
[INFO] [stderr] 341 |                 TcpStream::connect_timeout(&socket_addr, timeout).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:344:60
[INFO] [stderr]     |
[INFO] [stderr] 344 |             client.set_read_timeout(Some(timeout)).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:345:61
[INFO] [stderr]     |
[INFO] [stderr] 345 |             client.set_write_timeout(Some(timeout)).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:350:28
[INFO] [stderr]     |
[INFO] [stderr] 350 |                       if let Some(_) = domain.get_port() {
[INFO] [stderr]     |  _____________________-      ^^^^^^^
[INFO] [stderr] 351 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 352 | |                     } else {
[INFO] [stderr] 353 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 354 | |                     }
[INFO] [stderr]     | |_____________________- help: try this: `if domain.get_port().is_some()`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:351:59
[INFO] [stderr]     |
[INFO] [stderr] 351 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:353:59
[INFO] [stderr]     |
[INFO] [stderr] 353 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:357:28
[INFO] [stderr]     |
[INFO] [stderr] 357 |                       if let Some(_) = ipv4.get_port() {
[INFO] [stderr]     |  _____________________-      ^^^^^^^
[INFO] [stderr] 358 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 359 | |                     } else {
[INFO] [stderr] 360 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 361 | |                     }
[INFO] [stderr]     | |_____________________- help: try this: `if ipv4.get_port().is_some()`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:358:59
[INFO] [stderr]     |
[INFO] [stderr] 358 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:360:59
[INFO] [stderr]     |
[INFO] [stderr] 360 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:364:28
[INFO] [stderr]     |
[INFO] [stderr] 364 |                       if let Some(_) = ipv6.get_port() {
[INFO] [stderr]     |  _____________________-      ^^^^^^^
[INFO] [stderr] 365 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 366 | |                     } else {
[INFO] [stderr] 367 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 368 | |                     }
[INFO] [stderr]     | |_____________________- help: try this: `if ipv6.get_port().is_some()`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:365:59
[INFO] [stderr]     |
[INFO] [stderr] 365 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:367:59
[INFO] [stderr]     |
[INFO] [stderr] 367 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:374:79
[INFO] [stderr]     |
[INFO] [stderr] 374 |             client.write_all(query.replace("$addr", text).as_bytes()).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:376:98
[INFO] [stderr]     |
[INFO] [stderr] 376 |             client.write_all(DEFAULT_WHOIS_HOST_QUERY.replace("$addr", text).as_bytes()).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:379:32
[INFO] [stderr]     |
[INFO] [stderr] 379 |         client.flush().map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:383:58
[INFO] [stderr]     |
[INFO] [stderr] 383 |         client.read_to_string(&mut query_result).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:431:36
[INFO] [stderr]     |
[INFO] [stderr] 431 |                               if let Some(_) = server {
[INFO] [stderr]     |  _____________________________-      ^^^^^^^
[INFO] [stderr] 432 | |                                 break;
[INFO] [stderr] 433 | |                             }
[INFO] [stderr]     | |_____________________________- help: try this: `if server.is_some()`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:439:44
[INFO] [stderr]     |
[INFO] [stderr] 439 |                             match tld.find(".") {
[INFO] [stderr]     |                                            ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:201:81
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let domain = DomainUnlocalhostableWithoutPort::from_str(domain).map_err(|err| WhoIsError::DomainError(err))?;
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::DomainError`
[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/lib.rs:210:69
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let ipv4 = IPv4LocalableWithoutPort::from_str(ipv4).map_err(|err| WhoIsError::IPv4Error(err))?;
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IPv4Error`
[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/lib.rs:219:69
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let ipv6 = IPv6LocalableWithoutPort::from_str(ipv6).map_err(|err| WhoIsError::IPv6Error(err))?;
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IPv6Error`
[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/lib.rs:247:45
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let file = File::open(path).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:249:77
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let map: Map<String, Value> = serde_json::from_reader(file).map_err(|err| WhoIsError::SerdeJsonError(err))?;
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::SerdeJsonError`
[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/lib.rs:258:76
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let map: Map<String, Value> = serde_json::from_str(string).map_err(|err| WhoIsError::SerdeJsonError(err))?;
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::SerdeJsonError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:300:24
[INFO] [stderr]     |
[INFO] [stderr] 300 |                   if let Some(_) = domain.get_port() {
[INFO] [stderr]     |  _________________-      ^^^^^^^
[INFO] [stderr] 301 | |                     domain.get_full_domain().to_string()
[INFO] [stderr] 302 | |                 } else {
[INFO] [stderr] 303 | |                     format!("{}:{}", domain.get_full_domain(), DEFAULT_WHOIS_HOST_PORT)
[INFO] [stderr] 304 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if domain.get_port().is_some()`
[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_some()`
[INFO] [stderr]    --> src/lib.rs:307:24
[INFO] [stderr]     |
[INFO] [stderr] 307 |                   if let Some(_) = ipv4.get_port() {
[INFO] [stderr]     |  _________________-      ^^^^^^^
[INFO] [stderr] 308 | |                     ipv4.get_full_ipv4().to_string()
[INFO] [stderr] 309 | |                 } else {
[INFO] [stderr] 310 | |                     format!("{}:{}", ipv4.get_full_ipv4(), DEFAULT_WHOIS_HOST_PORT)
[INFO] [stderr] 311 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if ipv4.get_port().is_some()`
[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_some()`
[INFO] [stderr]    --> src/lib.rs:314:24
[INFO] [stderr]     |
[INFO] [stderr] 314 |                   if let Some(_) = ipv6.get_port() {
[INFO] [stderr]     |  _________________-      ^^^^^^^
[INFO] [stderr] 315 | |                     ipv6.get_full_ipv6().to_string()
[INFO] [stderr] 316 | |                 } else {
[INFO] [stderr] 317 | |                     format!("[{}]:{}", ipv6.get_full_ipv6(), DEFAULT_WHOIS_HOST_PORT)
[INFO] [stderr] 318 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if ipv6.get_port().is_some()`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:323:84
[INFO] [stderr]     |
[INFO] [stderr] 323 |             let mut socket_addrs: Vec<SocketAddr> = addr.to_socket_addrs().map_err(|err| WhoIsError::IOError(err))?.collect();
[INFO] [stderr]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:328:17
[INFO] [stderr]     |
[INFO] [stderr] 328 | /                 match TcpStream::connect_timeout(&socket_addr, timeout) {
[INFO] [stderr] 329 | |                     Ok(c) => {
[INFO] [stderr] 330 | |                         client = Some(c);
[INFO] [stderr] 331 | |                         break;
[INFO] [stderr] 332 | |                     }
[INFO] [stderr] 333 | |                     Err(_) => ()
[INFO] [stderr] 334 | |                 }
[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] 328 |                 if let Ok(c) = TcpStream::connect_timeout(&socket_addr, timeout) {
[INFO] [stderr] 329 |     client = Some(c);
[INFO] [stderr] 330 |     break;
[INFO] [stderr] 331 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:341:75
[INFO] [stderr]     |
[INFO] [stderr] 341 |                 TcpStream::connect_timeout(&socket_addr, timeout).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:344:60
[INFO] [stderr]     |
[INFO] [stderr] 344 |             client.set_read_timeout(Some(timeout)).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:345:61
[INFO] [stderr]     |
[INFO] [stderr] 345 |             client.set_write_timeout(Some(timeout)).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:350:28
[INFO] [stderr]     |
[INFO] [stderr] 350 |                       if let Some(_) = domain.get_port() {
[INFO] [stderr]     |  _____________________-      ^^^^^^^
[INFO] [stderr] 351 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 352 | |                     } else {
[INFO] [stderr] 353 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 354 | |                     }
[INFO] [stderr]     | |_____________________- help: try this: `if domain.get_port().is_some()`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:351:59
[INFO] [stderr]     |
[INFO] [stderr] 351 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:353:59
[INFO] [stderr]     |
[INFO] [stderr] 353 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:357:28
[INFO] [stderr]     |
[INFO] [stderr] 357 |                       if let Some(_) = ipv4.get_port() {
[INFO] [stderr]     |  _____________________-      ^^^^^^^
[INFO] [stderr] 358 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 359 | |                     } else {
[INFO] [stderr] 360 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 361 | |                     }
[INFO] [stderr]     | |_____________________- help: try this: `if ipv4.get_port().is_some()`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:358:59
[INFO] [stderr]     |
[INFO] [stderr] 358 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:360:59
[INFO] [stderr]     |
[INFO] [stderr] 360 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:364:28
[INFO] [stderr]     |
[INFO] [stderr] 364 |                       if let Some(_) = ipv6.get_port() {
[INFO] [stderr]     |  _____________________-      ^^^^^^^
[INFO] [stderr] 365 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 366 | |                     } else {
[INFO] [stderr] 367 | |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr] 368 | |                     }
[INFO] [stderr]     | |_____________________- help: try this: `if ipv6.get_port().is_some()`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:365:59
[INFO] [stderr]     |
[INFO] [stderr] 365 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:367:59
[INFO] [stderr]     |
[INFO] [stderr] 367 |                         TcpStream::connect(&addr).map_err(|err| WhoIsError::IOError(err))?
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:374:79
[INFO] [stderr]     |
[INFO] [stderr] 374 |             client.write_all(query.replace("$addr", text).as_bytes()).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:376:98
[INFO] [stderr]     |
[INFO] [stderr] 376 |             client.write_all(DEFAULT_WHOIS_HOST_QUERY.replace("$addr", text).as_bytes()).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:379:32
[INFO] [stderr]     |
[INFO] [stderr] 379 |         client.flush().map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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/lib.rs:383:58
[INFO] [stderr]     |
[INFO] [stderr] 383 |         client.read_to_string(&mut query_result).map_err(|err| WhoIsError::IOError(err))?;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `WhoIsError::IOError`
[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 pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:431:36
[INFO] [stderr]     |
[INFO] [stderr] 431 |                               if let Some(_) = server {
[INFO] [stderr]     |  _____________________________-      ^^^^^^^
[INFO] [stderr] 432 | |                                 break;
[INFO] [stderr] 433 | |                             }
[INFO] [stderr]     | |_____________________________- help: try this: `if server.is_some()`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:439:44
[INFO] [stderr]     |
[INFO] [stderr] 439 |                             match tld.find(".") {
[INFO] [stderr]     |                                            ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.43s
[INFO] running `"docker" "inspect" "e2300cf50b747e203461e292be8d30b879ba1f037594be5ae9c559755514a2a3"`
[INFO] running `"docker" "rm" "-f" "e2300cf50b747e203461e292be8d30b879ba1f037594be5ae9c559755514a2a3"`
[INFO] [stdout] e2300cf50b747e203461e292be8d30b879ba1f037594be5ae9c559755514a2a3