[INFO] updating cached repository archion/eHosts
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/archion/eHosts
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/archion/eHosts" "work/ex/clippy-test-run/sources/stable/gh/archion/eHosts"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/archion/eHosts'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/archion/eHosts" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/archion/eHosts"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/archion/eHosts'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2b12a40857bce3f33923ec39c6bfe77280b39aa
[INFO] sha for GitHub repo archion/eHosts: a2b12a40857bce3f33923ec39c6bfe77280b39aa
[INFO] validating manifest of archion/eHosts 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 archion/eHosts 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 archion/eHosts
[INFO] finished frobbing archion/eHosts
[INFO] frobbed toml for archion/eHosts written to work/ex/clippy-test-run/sources/stable/gh/archion/eHosts/Cargo.toml
[INFO] started frobbing archion/eHosts
[INFO] finished frobbing archion/eHosts
[INFO] frobbed toml for archion/eHosts written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/archion/eHosts/Cargo.toml
[INFO] crate archion/eHosts 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 archion/eHosts against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/archion/eHosts:/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 -Dclippy::into_iter_on_array" "-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] d016ad92e13845837639a73056728992f40e61bc4bdf4993a6604ed96530ed4c
[INFO] running `"docker" "start" "-a" "d016ad92e13845837639a73056728992f40e61bc4bdf4993a6604ed96530ed4c"`
[INFO] [stderr]     Checking clap v2.20.1
[INFO] [stderr]     Checking eHosts v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |         ((buf[0] as u16) << 8) + (buf[1] as u16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |         ((buf[0] as u16) << 8) + (buf[1] as u16)
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:73:10
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((buf[0] as i32) << 24) + ((buf[1] as i32) << 16) + ((buf[2] as i32) << 8) + (buf[3] as i32)
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:73:36
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((buf[0] as i32) << 24) + ((buf[1] as i32) << 16) + ((buf[2] as i32) << 8) + (buf[3] as i32)
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:73:62
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((buf[0] as i32) << 24) + ((buf[1] as i32) << 16) + ((buf[2] as i32) << 8) + (buf[3] as i32)
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:73:86
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((buf[0] as i32) << 24) + ((buf[1] as i32) << 16) + ((buf[2] as i32) << 8) + (buf[3] as i32)
[INFO] [stderr]    |                                                                                      ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[3])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:205:54
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 let i = (((j ^ 0xC0) as u16) << 8) + (reader.read_u8() as u16);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(reader.read_u8())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:207:37
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 reader.set_position(i as u64);
[INFO] [stderr]     |                                     ^^^^^^^^ help: try: `u64::from(i)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         len = len+2
[INFO] [stderr]     |         ^^^^^^^^^^^ help: replace it with: `len += 2`
[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: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 | /     match &r.rdata {
[INFO] [stderr] 267 | |         &Rdata::IpAddr(ip) => {
[INFO] [stderr] 268 | |             match ip {
[INFO] [stderr] 269 | |                 IpAddr::V4(ip) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 288 | |         //}
[INFO] [stderr] 289 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 266 |     match r.rdata {
[INFO] [stderr] 267 |         Rdata::IpAddr(ip) => {
[INFO] [stderr] 268 |             match ip {
[INFO] [stderr] 269 |                 IpAddr::V4(ip) => {
[INFO] [stderr] 270 |                     writer.write(&ip.octets()[..]);
[INFO] [stderr] 271 |                 }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:273:41
[INFO] [stderr]     |
[INFO] [stderr] 273 |                     writer.write(unsafe{std::mem::transmute(&ip.segments()[..])});
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&ip.segments()[..] as *const [u16] as *const [u8])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |         ((buf[0] as u16) << 8) + (buf[1] as u16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |         ((buf[0] as u16) << 8) + (buf[1] as u16)
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:73:10
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((buf[0] as i32) << 24) + ((buf[1] as i32) << 16) + ((buf[2] as i32) << 8) + (buf[3] as i32)
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:73:36
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((buf[0] as i32) << 24) + ((buf[1] as i32) << 16) + ((buf[2] as i32) << 8) + (buf[3] as i32)
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:73:62
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((buf[0] as i32) << 24) + ((buf[1] as i32) << 16) + ((buf[2] as i32) << 8) + (buf[3] as i32)
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:73:86
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ((buf[0] as i32) << 24) + ((buf[1] as i32) << 16) + ((buf[2] as i32) << 8) + (buf[3] as i32)
[INFO] [stderr]    |                                                                                      ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[3])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:205:54
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 let i = (((j ^ 0xC0) as u16) << 8) + (reader.read_u8() as u16);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(reader.read_u8())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:207:37
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 reader.set_position(i as u64);
[INFO] [stderr]     |                                     ^^^^^^^^ help: try: `u64::from(i)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         len = len+2
[INFO] [stderr]     |         ^^^^^^^^^^^ help: replace it with: `len += 2`
[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: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 | /     match &r.rdata {
[INFO] [stderr] 267 | |         &Rdata::IpAddr(ip) => {
[INFO] [stderr] 268 | |             match ip {
[INFO] [stderr] 269 | |                 IpAddr::V4(ip) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 288 | |         //}
[INFO] [stderr] 289 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 266 |     match r.rdata {
[INFO] [stderr] 267 |         Rdata::IpAddr(ip) => {
[INFO] [stderr] 268 |             match ip {
[INFO] [stderr] 269 |                 IpAddr::V4(ip) => {
[INFO] [stderr] 270 |                     writer.write(&ip.octets()[..]);
[INFO] [stderr] 271 |                 }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:273:41
[INFO] [stderr]     |
[INFO] [stderr] 273 |                     writer.write(unsafe{std::mem::transmute(&ip.segments()[..])});
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&ip.segments()[..] as *const [u16] as *const [u8])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:284:33
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 rules.push(Rule{ip: ip, patt: Regex::new(i).unwrap()});
[INFO] [stderr]     |                                 ^^^^^^ help: replace it with: `ip`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:284:33
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 rules.push(Rule{ip: ip, patt: Regex::new(i).unwrap()});
[INFO] [stderr]     |                                 ^^^^^^ help: replace it with: `ip`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:347:50
[INFO] [stderr]     |
[INFO] [stderr] 347 |         let socket_addr =  SocketAddrV4::new(ip, ((rand::random::<u16>() % 16382) + 49152));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:347:50
[INFO] [stderr]     |
[INFO] [stderr] 347 |         let socket_addr =  SocketAddrV4::new(ip, ((rand::random::<u16>() % 16382) + 49152));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `eHosts` should have a snake case name such as `e_hosts`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if a.contains(":") {
[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 pattern matching, consider using `is_none()`
[INFO] [stderr]    --> src/main.rs:255:24
[INFO] [stderr]     |
[INFO] [stderr] 255 |                   if let None = line.find("127.0.0.1") {
[INFO] [stderr]     |  _________________-      ^^^^
[INFO] [stderr] 256 | |                     writer.write_fmt(format_args!("{}\n", "nameserver 127.0.0.1"));
[INFO] [stderr] 257 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if line.find("127.0.0.1").is_none()`
[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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/main.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |         Err(_) => {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:309:12
[INFO] [stderr]     |
[INFO] [stderr] 309 |         if rules.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rules.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:316:49
[INFO] [stderr]     |
[INFO] [stderr] 316 | fn match_rule(dns_msg: &mut dns::DnsMsg, rules: &Vec<Rule>) -> bool {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: change this to: `&[Rule]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/main.rs:348:9
[INFO] [stderr]     |
[INFO] [stderr] 348 | /         match UdpSocket::bind(socket_addr){
[INFO] [stderr] 349 | |             Ok(s) => {
[INFO] [stderr] 350 | |                 return s
[INFO] [stderr] 351 | |             }
[INFO] [stderr] 352 | |             _ => {
[INFO] [stderr] 353 | |             }
[INFO] [stderr] 354 | |         };
[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] 348 |         if let Ok(s) = UdpSocket::bind(socket_addr) {
[INFO] [stderr] 349 |     return s
[INFO] [stderr] 350 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: crate `eHosts` should have a snake case name such as `e_hosts`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if a.contains(":") {
[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 pattern matching, consider using `is_none()`
[INFO] [stderr]    --> src/main.rs:255:24
[INFO] [stderr]     |
[INFO] [stderr] 255 |                   if let None = line.find("127.0.0.1") {
[INFO] [stderr]     |  _________________-      ^^^^
[INFO] [stderr] 256 | |                     writer.write_fmt(format_args!("{}\n", "nameserver 127.0.0.1"));
[INFO] [stderr] 257 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if line.find("127.0.0.1").is_none()`
[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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/main.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |         Err(_) => {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:309:12
[INFO] [stderr]     |
[INFO] [stderr] 309 |         if rules.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rules.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:316:49
[INFO] [stderr]     |
[INFO] [stderr] 316 | fn match_rule(dns_msg: &mut dns::DnsMsg, rules: &Vec<Rule>) -> bool {
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: change this to: `&[Rule]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/main.rs:348:9
[INFO] [stderr]     |
[INFO] [stderr] 348 | /         match UdpSocket::bind(socket_addr){
[INFO] [stderr] 349 | |             Ok(s) => {
[INFO] [stderr] 350 | |                 return s
[INFO] [stderr] 351 | |             }
[INFO] [stderr] 352 | |             _ => {
[INFO] [stderr] 353 | |             }
[INFO] [stderr] 354 | |         };
[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] 348 |         if let Ok(s) = UdpSocket::bind(socket_addr) {
[INFO] [stderr] 349 |     return s
[INFO] [stderr] 350 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
[INFO] running `"docker" "inspect" "d016ad92e13845837639a73056728992f40e61bc4bdf4993a6604ed96530ed4c"`
[INFO] running `"docker" "rm" "-f" "d016ad92e13845837639a73056728992f40e61bc4bdf4993a6604ed96530ed4c"`
[INFO] [stdout] d016ad92e13845837639a73056728992f40e61bc4bdf4993a6604ed96530ed4c