[INFO] crate sendpacket 0.1.1 is already in cache
[INFO] extracting crate sendpacket 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/sendpacket/0.1.1
[INFO] extracting crate sendpacket 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sendpacket/0.1.1
[INFO] validating manifest of sendpacket-0.1.1 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 sendpacket-0.1.1 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 sendpacket-0.1.1
[INFO] finished frobbing sendpacket-0.1.1
[INFO] frobbed toml for sendpacket-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/sendpacket/0.1.1/Cargo.toml
[INFO] started frobbing sendpacket-0.1.1
[INFO] finished frobbing sendpacket-0.1.1
[INFO] frobbed toml for sendpacket-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sendpacket/0.1.1/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 sendpacket-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/sendpacket/0.1.1:/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] 8d54dd63d4a4703878649c7779adf8896425c7c5d2305bf2c939ec7a4cde4eb7
[INFO] running `"docker" "start" "-a" "8d54dd63d4a4703878649c7779adf8896425c7c5d2305bf2c939ec7a4cde4eb7"`
[INFO] [stderr]     Checking pnet_sys v0.20.0
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking pnet_datalink v0.20.0
[INFO] [stderr]     Checking sendpacket v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |             interface: interface,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `interface`
[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/lib.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |             interface: interface,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `interface`
[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: unused import: `ipnetwork::IpNetwork`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use ipnetwork::IpNetwork;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MutablePacket`
[INFO] [stderr]   --> src/lib.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pnet::packet::{MutablePacket, Packet};
[INFO] [stderr]    |                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ArpHardwareTypes`, `ArpOperation`, `ArpOperations`
[INFO] [stderr]   --> src/lib.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pnet::packet::arp::{ArpHardwareTypes, ArpOperation, ArpOperations};
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/lib.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 | use pnet::packet::ip::{self, IpNextHeaderProtocol, IpNextHeaderProtocols};
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ipv4_checksum`
[INFO] [stderr]   --> src/lib.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 | use pnet::packet::udp::{ipv4_checksum, MutableUdpPacket};
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/lib.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ipnetwork::IpNetwork`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use ipnetwork::IpNetwork;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MutablePacket`
[INFO] [stderr]   --> src/lib.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pnet::packet::{MutablePacket, Packet};
[INFO] [stderr]    |                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ArpHardwareTypes`, `ArpOperation`, `ArpOperations`
[INFO] [stderr]   --> src/lib.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pnet::packet::arp::{ArpHardwareTypes, ArpOperation, ArpOperations};
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/lib.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 | use pnet::packet::ip::{self, IpNextHeaderProtocol, IpNextHeaderProtocols};
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ipv4_checksum`
[INFO] [stderr]   --> src/lib.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 | use pnet::packet::udp::{ipv4_checksum, MutableUdpPacket};
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/lib.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ether`
[INFO] [stderr]    --> src/lib.rs:517:9
[INFO] [stderr]     |
[INFO] [stderr] 517 |     use Ether;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ip`
[INFO] [stderr]    --> src/lib.rs:518:9
[INFO] [stderr]     |
[INFO] [stderr] 518 |     use Ip;
[INFO] [stderr]     |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mac`
[INFO] [stderr]    --> src/lib.rs:519:9
[INFO] [stderr]     |
[INFO] [stderr] 519 |     use Mac;
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tcp`
[INFO] [stderr]    --> src/lib.rs:520:9
[INFO] [stderr]     |
[INFO] [stderr] 520 |     use Tcp;
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/lib.rs:353:9
[INFO] [stderr]     |
[INFO] [stderr] 353 |         self.l3.build_header(&l3_over_tcp_packet, IpNextHeaderProtocols::Tcp)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DataLinkReceiver`
[INFO] [stderr]   --> src/lib.rs:10:58
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pnet::datalink::{Channel, NetworkInterface, MacAddr, DataLinkReceiver, DataLinkSender};
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DataLinkSender`
[INFO] [stderr]   --> src/lib.rs:10:76
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pnet::datalink::{Channel, NetworkInterface, MacAddr, DataLinkReceiver, DataLinkSender};
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]    --> src/lib.rs:244:28
[INFO] [stderr]     |
[INFO] [stderr] 244 |     fn build_header(&self, payload: &[u8], ether_type: EtherType) -> Vec<u8> {
[INFO] [stderr]     |                            ^^^^^^^ help: consider using `_payload` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l3_over_tcp_packet`
[INFO] [stderr]    --> src/lib.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |         let l3_over_tcp_packet: Vec<u8> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: consider using `_l3_over_tcp_packet` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]    --> src/lib.rs:349:28
[INFO] [stderr]     |
[INFO] [stderr] 349 |     fn build_header(&self, payload: &[u8], _extra: ()) -> Vec<u8> {
[INFO] [stderr]     |                            ^^^^^^^ help: consider using `_payload` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l3_over_udp_packet`
[INFO] [stderr]    --> src/lib.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |         let l3_over_udp_packet: Vec<u8> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: consider using `_l3_over_udp_packet` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rx`
[INFO] [stderr]    --> src/lib.rs:409:26
[INFO] [stderr]     |
[INFO] [stderr] 409 |         let (mut tx, mut rx) = match pnet::datalink::channel(&session.interface, Default::default()) {
[INFO] [stderr]     |                          ^^ help: consider using `_rx` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]    --> src/lib.rs:418:18
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let (mut tx, mut rx) = match pnet::datalink::channel(&session.interface, Default::default()) {
[INFO] [stderr]     |                  ^^ help: consider using `_tx` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/lib.rs:353:9
[INFO] [stderr]     |
[INFO] [stderr] 353 |         self.l3.build_header(&l3_over_tcp_packet, IpNextHeaderProtocols::Tcp)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:409:22
[INFO] [stderr]     |
[INFO] [stderr] 409 |         let (mut tx, mut rx) = match pnet::datalink::channel(&session.interface, Default::default()) {
[INFO] [stderr]     |                      ----^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:418:14
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let (mut tx, mut rx) = match pnet::datalink::channel(&session.interface, Default::default()) {
[INFO] [stderr]     |              ----^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DataLinkReceiver`
[INFO] [stderr]   --> src/lib.rs:10:58
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pnet::datalink::{Channel, NetworkInterface, MacAddr, DataLinkReceiver, DataLinkSender};
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DataLinkSender`
[INFO] [stderr]   --> src/lib.rs:10:76
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pnet::datalink::{Channel, NetworkInterface, MacAddr, DataLinkReceiver, DataLinkSender};
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn new(if_name: &String) -> DataLinkSession {
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:191:31
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn get_interface(if_name: &String) -> NetworkInterface {
[INFO] [stderr]     |                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]    --> src/lib.rs:244:28
[INFO] [stderr]     |
[INFO] [stderr] 244 |     fn build_header(&self, payload: &[u8], ether_type: EtherType) -> Vec<u8> {
[INFO] [stderr]     |                            ^^^^^^^ help: consider using `_payload` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l3_over_tcp_packet`
[INFO] [stderr]    --> src/lib.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |         let l3_over_tcp_packet: Vec<u8> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: consider using `_l3_over_tcp_packet` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]    --> src/lib.rs:349:28
[INFO] [stderr]     |
[INFO] [stderr] 349 |     fn build_header(&self, payload: &[u8], _extra: ()) -> Vec<u8> {
[INFO] [stderr]     |                            ^^^^^^^ help: consider using `_payload` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l3_over_udp_packet`
[INFO] [stderr]    --> src/lib.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |         let l3_over_udp_packet: Vec<u8> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: consider using `_l3_over_udp_packet` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rx`
[INFO] [stderr]    --> src/lib.rs:409:26
[INFO] [stderr]     |
[INFO] [stderr] 409 |         let (mut tx, mut rx) = match pnet::datalink::channel(&session.interface, Default::default()) {
[INFO] [stderr]     |                          ^^ help: consider using `_rx` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]    --> src/lib.rs:418:18
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let (mut tx, mut rx) = match pnet::datalink::channel(&session.interface, Default::default()) {
[INFO] [stderr]     |                  ^^ help: consider using `_tx` instead
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:459:41
[INFO] [stderr]     |
[INFO] [stderr] 459 |         let octets: Vec<&str> = s.split(":").collect();
[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: struct update has no effect, all the fields in the struct have already been specified
[INFO] [stderr]    --> src/lib.rs:80:9
[INFO] [stderr]     |
[INFO] [stderr] 80  |       ..Default::default()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 534 |     assert_eq!(Mac {address: [0; 6]}, mac!(address=[0; 6]));
[INFO] [stderr]     |                                       -------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_update)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_update
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:409:22
[INFO] [stderr]     |
[INFO] [stderr] 409 |         let (mut tx, mut rx) = match pnet::datalink::channel(&session.interface, Default::default()) {
[INFO] [stderr]     |                      ----^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:418:14
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let (mut tx, mut rx) = match pnet::datalink::channel(&session.interface, Default::default()) {
[INFO] [stderr]     |              ----^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn new(if_name: &String) -> DataLinkSession {
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:191:31
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn get_interface(if_name: &String) -> NetworkInterface {
[INFO] [stderr]     |                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:459:41
[INFO] [stderr]     |
[INFO] [stderr] 459 |         let octets: Vec<&str> = s.split(":").collect();
[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: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddrParseError`, `Ipv4Addr`
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::net::{Ipv4Addr, AddrParseError};
[INFO] [stderr]   |                ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Channel`, `MacAddr`, `NetworkInterface`
[INFO] [stderr]   --> src/main.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pnet::datalink::{Channel, NetworkInterface, MacAddr};
[INFO] [stderr]    |                      ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ethernet::MutableEthernetPacket`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pnet::packet::ethernet::MutableEthernetPacket;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ethernet::EtherTypes`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use pnet::packet::ethernet::EtherTypes;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ipv4::MutableIpv4Packet`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use pnet::packet::ipv4::MutableIpv4Packet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stderr]   --> src/main.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | use pnet::packet::{Packet, MutablePacket};
[INFO] [stderr]    |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddrParseError`, `Ipv4Addr`
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::net::{Ipv4Addr, AddrParseError};
[INFO] [stderr]   |                ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Channel`, `MacAddr`, `NetworkInterface`
[INFO] [stderr]   --> src/main.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pnet::datalink::{Channel, NetworkInterface, MacAddr};
[INFO] [stderr]    |                      ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ethernet::MutableEthernetPacket`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pnet::packet::ethernet::MutableEthernetPacket;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ethernet::EtherTypes`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use pnet::packet::ethernet::EtherTypes;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ipv4::MutableIpv4Packet`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use pnet::packet::ipv4::MutableIpv4Packet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stderr]   --> src/main.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | use pnet::packet::{Packet, MutablePacket};
[INFO] [stderr]    |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.83s
[INFO] running `"docker" "inspect" "8d54dd63d4a4703878649c7779adf8896425c7c5d2305bf2c939ec7a4cde4eb7"`
[INFO] running `"docker" "rm" "-f" "8d54dd63d4a4703878649c7779adf8896425c7c5d2305bf2c939ec7a4cde4eb7"`
[INFO] [stdout] 8d54dd63d4a4703878649c7779adf8896425c7c5d2305bf2c939ec7a4cde4eb7