[INFO] crate plumber 0.0.7 is already in cache
[INFO] extracting crate plumber 0.0.7 into work/ex/clippy-test-run/sources/stable/reg/plumber/0.0.7
[INFO] extracting crate plumber 0.0.7 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/plumber/0.0.7
[INFO] validating manifest of plumber-0.0.7 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 plumber-0.0.7 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 plumber-0.0.7
[INFO] finished frobbing plumber-0.0.7
[INFO] frobbed toml for plumber-0.0.7 written to work/ex/clippy-test-run/sources/stable/reg/plumber/0.0.7/Cargo.toml
[INFO] started frobbing plumber-0.0.7
[INFO] finished frobbing plumber-0.0.7
[INFO] frobbed toml for plumber-0.0.7 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/plumber/0.0.7/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 plumber-0.0.7 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/plumber/0.0.7:/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] 9aaea243da889e6dfde182577b2f375b520206ba254e3b0682925699fd6cc286
[INFO] running `"docker" "start" "-a" "9aaea243da889e6dfde182577b2f375b520206ba254e3b0682925699fd6cc286"`
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking plumber v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/dns.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 weight: weight,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `weight`
[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/dns.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 port: port,
[INFO] [stderr]    |                 ^^^^^^^^^^ help: replace it with: `port`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeMap`
[INFO] [stderr]  --> src/hooks.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::{BTreeMap};
[INFO] [stderr]   |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]  --> src/hooks.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::{CStr};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/hooks.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::from_utf8`
[INFO] [stderr]  --> src/hooks.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::str::from_utf8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> src/hooks.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::{RwLock};
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dynamic::dlsym_next`
[INFO] [stderr]   --> src/hooks.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use dynamic::dlsym_next;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `port_ip_to_sa_data`, `sockaddr_to_port_ip`
[INFO] [stderr]   --> src/hooks.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use util::{sockaddr_to_port_ip,port_ip_to_sa_data};
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dns::srv_mapper`
[INFO] [stderr]   --> src/hooks.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use dns::srv_mapper;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/util.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let data = unsafe { (*address).sa_data };
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 17 |     ((data[0] as u16) << 8 | (data[1] as u16),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[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/util.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 |     ((data[0] as u16) << 8 | (data[1] as u16),
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[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: variant `ns_s_qd` should have a camel case name such as `NsSQd`
[INFO] [stderr]   --> src/ctypes.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     ns_s_qd = 0,        /* Query: Question. */
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_an` should have a camel case name such as `NsSAn`
[INFO] [stderr]   --> src/ctypes.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     ns_s_an = 1,        /* Query: Answer. */
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ns` should have a camel case name such as `NsSNs`
[INFO] [stderr]   --> src/ctypes.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     ns_s_ns = 2,        /* Query: Name servers. */
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_ar` should have a camel case name such as `NsSAr`
[INFO] [stderr]   --> src/ctypes.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     ns_s_ar = 3,        /* Query|Update: Additional records. */
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ns_s_max` should have a camel case name such as `NsSMax`
[INFO] [stderr]   --> src/ctypes.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     ns_s_max = 4
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]   --> src/ctypes.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |             rdata: 0 as *const u8,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::zero_ptr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]    --> src/ctypes.rs:104:18
[INFO] [stderr]     |
[INFO] [stderr] 104 |             msg: 0 as *const u8,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]    --> src/ctypes.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |             eom: 0 as *const u8,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]    --> src/ctypes.rs:109:24
[INFO] [stderr]     |
[INFO] [stderr] 109 |             sections: [0 as *const u8, 0 as *const u8, 0 as *const u8, 0 as *const u8],
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]    --> src/ctypes.rs:109:40
[INFO] [stderr]     |
[INFO] [stderr] 109 |             sections: [0 as *const u8, 0 as *const u8, 0 as *const u8, 0 as *const u8],
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]    --> src/ctypes.rs:109:56
[INFO] [stderr]     |
[INFO] [stderr] 109 |             sections: [0 as *const u8, 0 as *const u8, 0 as *const u8, 0 as *const u8],
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]    --> src/ctypes.rs:109:72
[INFO] [stderr]     |
[INFO] [stderr] 109 |             sections: [0 as *const u8, 0 as *const u8, 0 as *const u8, 0 as *const u8],
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]    --> src/ctypes.rs:112:22
[INFO] [stderr]     |
[INFO] [stderr] 112 |             msg_ptr: 0 as *const u8,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/dns.rs:46:31
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let nmsg_additional = msg.counts[3] as c_int;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(msg.counts[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: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]   --> src/dns.rs:52:25
[INFO] [stderr]    |
[INFO] [stderr] 52 |                         0 as *const c_char, 0 as *const c_char,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]   --> src/dns.rs:52:45
[INFO] [stderr]    |
[INFO] [stderr] 52 |                         0 as *const c_char, 0 as *const c_char,
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/dns.rs:58:44
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let octets: Vec<u8> = ip.split(".").map( |o| {
[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: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/dns.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let nmsg_answer = msg.counts[1] as c_int;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(msg.counts[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: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]   --> src/dns.rs:79:25
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         0 as *const c_char, 0 as *const c_char,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()`
[INFO] [stderr]   --> src/dns.rs:79:45
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         0 as *const c_char, 0 as *const c_char,
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/dns.rs:87:30
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let prio: u16 = ((rdata[0] as u16) << 8) + rdata[1] as u16;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: try: `u16::from(rdata[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/dns.rs:87:56
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let prio: u16 = ((rdata[0] as u16) << 8) + rdata[1] as u16;
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^ help: try: `u16::from(rdata[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/dns.rs:88:32
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let weight: u16 = ((rdata[2] as u16) << 8) + rdata[3] as u16;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: try: `u16::from(rdata[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/dns.rs:88:58
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let weight: u16 = ((rdata[2] as u16) << 8) + rdata[3] as u16;
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^ help: try: `u16::from(rdata[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/dns.rs:89:30
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let port: u16 = ((rdata[4] as u16) << 8) + rdata[5] as u16;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: try: `u16::from(rdata[4])`
[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/dns.rs:89:56
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let port: u16 = ((rdata[4] as u16) << 8) + rdata[5] as u16;
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^ help: try: `u16::from(rdata[5])`
[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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/dns.rs:91:22
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 ip: *host_to_ip.get(&s.split(" ").last().unwrap().to_string()).unwrap(),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&host_to_ip[&s.split(" ").last().unwrap().to_string()]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/dns.rs:91:46
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 ip: *host_to_ip.get(&s.split(" ").last().unwrap().to_string()).unwrap(),
[INFO] [stderr]    |                                              ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[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: length comparison to zero
[INFO] [stderr]   --> src/dns.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 99 |     if res.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `res.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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/dns.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn srv_mapper(host: &String) -> Result<RR, String> {
[INFO] [stderr]     |                         ^^^^^^^ help: change this to: `&str`
[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: length comparison to zero
[INFO] [stderr]    --> src/dns.rs:119:8
[INFO] [stderr]     |
[INFO] [stderr] 119 |     if results.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `results.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `plumber`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9aaea243da889e6dfde182577b2f375b520206ba254e3b0682925699fd6cc286"`
[INFO] running `"docker" "rm" "-f" "9aaea243da889e6dfde182577b2f375b520206ba254e3b0682925699fd6cc286"`
[INFO] [stdout] 9aaea243da889e6dfde182577b2f375b520206ba254e3b0682925699fd6cc286