[INFO] cloning repository https://github.com/applied-cyber/wallball_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/applied-cyber/wallball_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapplied-cyber%2Fwallball_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapplied-cyber%2Fwallball_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7979278f86686fb36f733a4f82587813a0a905dc
[INFO] testing applied-cyber/wallball_proxy against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapplied-cyber%2Fwallball_proxy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/applied-cyber/wallball_proxy on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/applied-cyber/wallball_proxy
[INFO] finished tweaking git repo https://github.com/applied-cyber/wallball_proxy
[INFO] tweaked toml for git repo https://github.com/applied-cyber/wallball_proxy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/applied-cyber/wallball_proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7a01319f3ed2620e0d5613a885d0970227374f317d35c829ad8062e10ea5d0a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7a01319f3ed2620e0d5613a885d0970227374f317d35c829ad8062e10ea5d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7a01319f3ed2620e0d5613a885d0970227374f317d35c829ad8062e10ea5d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a01319f3ed2620e0d5613a885d0970227374f317d35c829ad8062e10ea5d0a", kill_on_drop: false }`
[INFO] [stdout] f7a01319f3ed2620e0d5613a885d0970227374f317d35c829ad8062e10ea5d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73176f414e11c687e05c13e1f71a49929498d4884ffc0515715e6a06aa6637fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73176f414e11c687e05c13e1f71a49929498d4884ffc0515715e6a06aa6637fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling pnet_sys v0.21.0
[INFO] [stderr]    Compiling aho-corasick v0.6.5
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.21.0
[INFO] [stderr]    Compiling pnet_transport v0.21.0
[INFO] [stderr]    Compiling wallball_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MutablePacket`
[INFO] [stdout]  --> src/frag.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pnet::packet::{Packet, MutablePacket};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/frag.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str>;
[INFO] [stdout]   |                                    ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/frag.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next(&mut self) -> Result<Option<Box<Packet>>, &str>;
[INFO] [stdout]   |                                             ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frag.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     packet: Box<Packet>,
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frag.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frag.rs:28:45
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn next(&mut self) -> Result<Option<Box<Packet>>, &str> {
[INFO] [stdout]    |                                             ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frag::ProxyFragmenter`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use frag::ProxyFragmenter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PacketSize`
[INFO] [stdout]  --> src/proxy_tx.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pnet::packet::{Packet, MutablePacket, PacketSize};
[INFO] [stdout]   |                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::packet::ip::IpNextHeaderProtocols`
[INFO] [stdout]   --> src/proxy_tx.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pnet::packet::ip::IpNextHeaderProtocols;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proxy_tx.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |     in_iface_channel: Box<DataLinkReceiver>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proxy_tx.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     out_iface_channel: Box<DataLinkSender>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkSender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/proxy_tx.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |         -> (Box<DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkSender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/proxy_tx.rs:150:38
[INFO] [stdout]     |
[INFO] [stdout] 150 |         -> (Box<DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::datalink`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pnet::datalink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DataLinkReceiver`, `DataLinkSender`, `NetworkInterface`
[INFO] [stdout]   --> src/main.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pnet::datalink::{NetworkInterface, EtherType, DataLinkSender, DataLinkReceiver, MacAddr};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::datalink::Channel::Ethernet`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pnet::datalink::Channel::Ethernet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pnet::packet::{Packet, MutablePacket};
[INFO] [stdout]    |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EtherTypes`, `EthernetPacket`, `MutableEthernetPacket`
[INFO] [stdout]   --> src/main.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | use pnet::packet::ethernet::{EthernetPacket, MutableEthernetPacket, EtherTypes};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::packet::ip::IpNextHeaderProtocols`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use pnet::packet::ip::IpNextHeaderProtocols;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::packet::ipv4::MutableIpv4Packet`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use pnet::packet::ipv4::MutableIpv4Packet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TransportReceiver`, `TransportSender`, `transport_channel`
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use pnet::transport::{transport_channel, TransportReceiver, TransportSender};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::transport::TransportChannelType`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use pnet::transport::TransportChannelType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layer3`, `Layer4`
[INFO] [stdout]   --> src/main.rs:18:45
[INFO] [stdout]    |
[INFO] [stdout] 18 | use pnet::transport::TransportChannelType::{Layer3, Layer4};
[INFO] [stdout]    |                                             ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::transport::TransportProtocol::Ipv4`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use pnet::transport::TransportProtocol::Ipv4;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `icmp_packet_iter`, `udp_packet_iter`
[INFO] [stdout]   --> src/main.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 | use pnet::transport::{icmp_packet_iter, udp_packet_iter};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/frag.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/frag.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/proxy_tx.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         Err(e) => panic!("Error: Failed to establish transport channel."),
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/proxy_tx.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/proxy_tx.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let offset = EthernetPacket::minimum_packet_size();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/proxy_tx.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let (_, mut in_iface_channel) = establish_datalink_channel(&in_iface);
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/proxy_tx.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (mut out_iface_channel, _) = establish_datalink_channel(&out_iface);
[INFO] [stdout]    |              ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy_tx.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &mut |mut new_packet| {
[INFO] [stdout]     |               ----^^^^^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy_tx.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let mut payload = new_ethernet_packet.payload_mut();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy_tx.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |         Ok((tx, mut rx)) => (tx, rx),
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `packet`
[INFO] [stdout]   --> src/frag.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     packet: Box<Packet>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]   --> src/frag.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_iface`
[INFO] [stdout]   --> src/proxy_tx.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     in_iface: NetworkInterface,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `destination_ip`
[INFO] [stdout]   --> src/proxy_tx.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     destination_ip: Ipv4Addr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_middlebox_ip`
[INFO] [stdout]   --> src/proxy_tx.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_middlebox_ip(&mut self, middlebox_ip: Ipv4Addr) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_destination_ip`
[INFO] [stdout]   --> src/proxy_tx.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn set_destination_ip(&mut self, destination_ip: Ipv4Addr) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `establish_transport_channel`
[INFO] [stdout]    --> src/proxy_tx.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn establish_transport_channel(protocol: TransportChannelType, buf_size: usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IPv4_ETHERTYPE`
[INFO] [stdout]   --> src/main.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GATEWAY_MAC_ADDR`
[INFO] [stdout]   --> src/main.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | const GATEWAY_MAC_ADDR: MacAddr = MacAddr(0x0, 0x0, 0x0, 0x0, 0x0, 0x0);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BUF_SIZE`
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | const BUF_SIZE: usize = 1500;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ICMP_TYPE`
[INFO] [stdout]   --> src/main.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | const ICMP_TYPE: usize = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IPv4_ETHERTYPE` should have an upper case name
[INFO] [stdout]   --> src/main.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `IPV4_ETHERTYPE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73176f414e11c687e05c13e1f71a49929498d4884ffc0515715e6a06aa6637fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73176f414e11c687e05c13e1f71a49929498d4884ffc0515715e6a06aa6637fd", kill_on_drop: false }`
[INFO] [stdout] 73176f414e11c687e05c13e1f71a49929498d4884ffc0515715e6a06aa6637fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61dff2dc08c08eff356f0657ff8345d9f832b30578b5997b15b927ae892ee56e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61dff2dc08c08eff356f0657ff8345d9f832b30578b5997b15b927ae892ee56e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wallball_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MutablePacket`
[INFO] [stdout]  --> src/frag.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pnet::packet::{Packet, MutablePacket};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/frag.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str>;
[INFO] [stdout]   |                                    ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/frag.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next(&mut self) -> Result<Option<Box<Packet>>, &str>;
[INFO] [stdout]   |                                             ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frag.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     packet: Box<Packet>,
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frag.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frag.rs:28:45
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn next(&mut self) -> Result<Option<Box<Packet>>, &str> {
[INFO] [stdout]    |                                             ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frag::ProxyFragmenter`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use frag::ProxyFragmenter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PacketSize`
[INFO] [stdout]  --> src/proxy_tx.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pnet::packet::{Packet, MutablePacket, PacketSize};
[INFO] [stdout]   |                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::packet::ip::IpNextHeaderProtocols`
[INFO] [stdout]   --> src/proxy_tx.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pnet::packet::ip::IpNextHeaderProtocols;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proxy_tx.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |     in_iface_channel: Box<DataLinkReceiver>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proxy_tx.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     out_iface_channel: Box<DataLinkSender>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkSender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/proxy_tx.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |         -> (Box<DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkSender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/proxy_tx.rs:150:38
[INFO] [stdout]     |
[INFO] [stdout] 150 |         -> (Box<DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::datalink`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use pnet::datalink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DataLinkReceiver`, `DataLinkSender`, `NetworkInterface`
[INFO] [stdout]   --> src/main.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pnet::datalink::{NetworkInterface, EtherType, DataLinkSender, DataLinkReceiver, MacAddr};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::datalink::Channel::Ethernet`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pnet::datalink::Channel::Ethernet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pnet::packet::{Packet, MutablePacket};
[INFO] [stdout]    |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EtherTypes`, `EthernetPacket`, `MutableEthernetPacket`
[INFO] [stdout]   --> src/main.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | use pnet::packet::ethernet::{EthernetPacket, MutableEthernetPacket, EtherTypes};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::packet::ip::IpNextHeaderProtocols`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use pnet::packet::ip::IpNextHeaderProtocols;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::packet::ipv4::MutableIpv4Packet`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use pnet::packet::ipv4::MutableIpv4Packet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TransportReceiver`, `TransportSender`, `transport_channel`
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use pnet::transport::{transport_channel, TransportReceiver, TransportSender};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::transport::TransportChannelType`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use pnet::transport::TransportChannelType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layer3`, `Layer4`
[INFO] [stdout]   --> src/main.rs:18:45
[INFO] [stdout]    |
[INFO] [stdout] 18 | use pnet::transport::TransportChannelType::{Layer3, Layer4};
[INFO] [stdout]    |                                             ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::transport::TransportProtocol::Ipv4`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use pnet::transport::TransportProtocol::Ipv4;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `icmp_packet_iter`, `udp_packet_iter`
[INFO] [stdout]   --> src/main.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 | use pnet::transport::{icmp_packet_iter, udp_packet_iter};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/frag.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/frag.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/proxy_tx.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         Err(e) => panic!("Error: Failed to establish transport channel."),
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/proxy_tx.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     Err(e) => {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/proxy_tx.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let offset = EthernetPacket::minimum_packet_size();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/proxy_tx.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let (_, mut in_iface_channel) = establish_datalink_channel(&in_iface);
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/proxy_tx.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (mut out_iface_channel, _) = establish_datalink_channel(&out_iface);
[INFO] [stdout]    |              ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy_tx.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &mut |mut new_packet| {
[INFO] [stdout]     |               ----^^^^^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy_tx.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let mut payload = new_ethernet_packet.payload_mut();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy_tx.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |         Ok((tx, mut rx)) => (tx, rx),
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `packet`
[INFO] [stdout]   --> src/frag.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     packet: Box<Packet>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]   --> src/frag.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_iface`
[INFO] [stdout]   --> src/proxy_tx.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     in_iface: NetworkInterface,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `destination_ip`
[INFO] [stdout]   --> src/proxy_tx.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     destination_ip: Ipv4Addr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_middlebox_ip`
[INFO] [stdout]   --> src/proxy_tx.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_middlebox_ip(&mut self, middlebox_ip: Ipv4Addr) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_destination_ip`
[INFO] [stdout]   --> src/proxy_tx.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn set_destination_ip(&mut self, destination_ip: Ipv4Addr) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `establish_transport_channel`
[INFO] [stdout]    --> src/proxy_tx.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn establish_transport_channel(protocol: TransportChannelType, buf_size: usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IPv4_ETHERTYPE`
[INFO] [stdout]   --> src/main.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GATEWAY_MAC_ADDR`
[INFO] [stdout]   --> src/main.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | const GATEWAY_MAC_ADDR: MacAddr = MacAddr(0x0, 0x0, 0x0, 0x0, 0x0, 0x0);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BUF_SIZE`
[INFO] [stdout]   --> src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | const BUF_SIZE: usize = 1500;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ICMP_TYPE`
[INFO] [stdout]   --> src/main.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | const ICMP_TYPE: usize = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IPv4_ETHERTYPE` should have an upper case name
[INFO] [stdout]   --> src/main.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `IPV4_ETHERTYPE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61dff2dc08c08eff356f0657ff8345d9f832b30578b5997b15b927ae892ee56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61dff2dc08c08eff356f0657ff8345d9f832b30578b5997b15b927ae892ee56e", kill_on_drop: false }`
[INFO] [stdout] 61dff2dc08c08eff356f0657ff8345d9f832b30578b5997b15b927ae892ee56e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2b188ad851bb3beca0dab4b98d5409377f13d94d3e5c83f5ae4f48bc4da6114
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2b188ad851bb3beca0dab4b98d5409377f13d94d3e5c83f5ae4f48bc4da6114", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `MutablePacket`
[INFO] [stderr]  --> src/frag.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pnet::packet::{Packet, MutablePacket};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/frag.rs:8:36
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str>;
[INFO] [stderr]   |                                    ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/frag.rs:9:45
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn next(&mut self) -> Result<Option<Box<Packet>>, &str>;
[INFO] [stderr]   |                                             ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frag.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |     packet: Box<Packet>,
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frag.rs:23:36
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stderr]    |                                    ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frag.rs:28:45
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn next(&mut self) -> Result<Option<Box<Packet>>, &str> {
[INFO] [stderr]    |                                             ^^^^^^ help: use `dyn`: `dyn Packet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frag::ProxyFragmenter`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use frag::ProxyFragmenter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PacketSize`
[INFO] [stderr]  --> src/proxy_tx.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 | use pnet::packet::{Packet, MutablePacket, PacketSize};
[INFO] [stderr]   |                                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ip::IpNextHeaderProtocols`
[INFO] [stderr]   --> src/proxy_tx.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pnet::packet::ip::IpNextHeaderProtocols;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/proxy_tx.rs:26:27
[INFO] [stderr]    |
[INFO] [stderr] 26 |     in_iface_channel: Box<DataLinkReceiver>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkReceiver`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/proxy_tx.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |     out_iface_channel: Box<DataLinkSender>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkSender`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proxy_tx.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |         -> (Box<DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkSender`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proxy_tx.rs:150:38
[INFO] [stderr]     |
[INFO] [stderr] 150 |         -> (Box<DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DataLinkReceiver`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::datalink`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use pnet::datalink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DataLinkReceiver`, `DataLinkSender`, `NetworkInterface`
[INFO] [stderr]   --> src/main.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | use pnet::datalink::{NetworkInterface, EtherType, DataLinkSender, DataLinkReceiver, MacAddr};
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::datalink::Channel::Ethernet`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pnet::datalink::Channel::Ethernet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stderr]   --> src/main.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pnet::packet::{Packet, MutablePacket};
[INFO] [stderr]    |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EtherTypes`, `EthernetPacket`, `MutableEthernetPacket`
[INFO] [stderr]   --> src/main.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | use pnet::packet::ethernet::{EthernetPacket, MutableEthernetPacket, EtherTypes};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ip::IpNextHeaderProtocols`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use pnet::packet::ip::IpNextHeaderProtocols;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::packet::ipv4::MutableIpv4Packet`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use pnet::packet::ipv4::MutableIpv4Packet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TransportReceiver`, `TransportSender`, `transport_channel`
[INFO] [stderr]   --> src/main.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 | use pnet::transport::{transport_channel, TransportReceiver, TransportSender};
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::transport::TransportChannelType`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use pnet::transport::TransportChannelType;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Layer3`, `Layer4`
[INFO] [stderr]   --> src/main.rs:18:45
[INFO] [stderr]    |
[INFO] [stderr] 18 | use pnet::transport::TransportChannelType::{Layer3, Layer4};
[INFO] [stderr]    |                                             ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pnet::transport::TransportProtocol::Ipv4`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use pnet::transport::TransportProtocol::Ipv4;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `icmp_packet_iter`, `udp_packet_iter`
[INFO] [stderr]   --> src/main.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 | use pnet::transport::{icmp_packet_iter, udp_packet_iter};
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet`
[INFO] [stderr]   --> src/frag.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/frag.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn init(&mut self, packet: Box<Packet>, size: usize) -> Result<(), &str> {
[INFO] [stderr]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/proxy_tx.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |         Err(e) => panic!("Error: Failed to establish transport channel."),
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/proxy_tx.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     Err(e) => {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/proxy_tx.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let offset = EthernetPacket::minimum_packet_size();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/proxy_tx.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let (_, mut in_iface_channel) = establish_datalink_channel(&in_iface);
[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/proxy_tx.rs:45:14
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let (mut out_iface_channel, _) = establish_datalink_channel(&out_iface);
[INFO] [stderr]    |              ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/proxy_tx.rs:113:15
[INFO] [stderr]     |
[INFO] [stderr] 113 |         &mut |mut new_packet| {
[INFO] [stderr]     |               ----^^^^^^^^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/proxy_tx.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let mut payload = new_ethernet_packet.payload_mut();
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/proxy_tx.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |         Ok((tx, mut rx)) => (tx, rx),
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `packet`
[INFO] [stderr]   --> src/frag.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     packet: Box<Packet>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `offset`
[INFO] [stderr]   --> src/frag.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     offset: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_iface`
[INFO] [stderr]   --> src/proxy_tx.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     in_iface: NetworkInterface,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `destination_ip`
[INFO] [stderr]   --> src/proxy_tx.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     destination_ip: Ipv4Addr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_middlebox_ip`
[INFO] [stderr]   --> src/proxy_tx.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_middlebox_ip(&mut self, middlebox_ip: Ipv4Addr) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_destination_ip`
[INFO] [stderr]   --> src/proxy_tx.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn set_destination_ip(&mut self, destination_ip: Ipv4Addr) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `establish_transport_channel`
[INFO] [stderr]    --> src/proxy_tx.rs:140:4
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn establish_transport_channel(protocol: TransportChannelType, buf_size: usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `IPv4_ETHERTYPE`
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `GATEWAY_MAC_ADDR`
[INFO] [stderr]   --> src/main.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | const GATEWAY_MAC_ADDR: MacAddr = MacAddr(0x0, 0x0, 0x0, 0x0, 0x0, 0x0);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `BUF_SIZE`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const BUF_SIZE: usize = 1500;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ICMP_TYPE`
[INFO] [stderr]   --> src/main.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | const ICMP_TYPE: usize = 11;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `IPv4_ETHERTYPE` should have an upper case name
[INFO] [stderr]   --> src/main.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `IPV4_ETHERTYPE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 49 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wallball_proxy-e1fabc736d7e1127
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2b188ad851bb3beca0dab4b98d5409377f13d94d3e5c83f5ae4f48bc4da6114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b188ad851bb3beca0dab4b98d5409377f13d94d3e5c83f5ae4f48bc4da6114", kill_on_drop: false }`
[INFO] [stdout] a2b188ad851bb3beca0dab4b98d5409377f13d94d3e5c83f5ae4f48bc4da6114
