[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 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapplied-cyber%2Fwallball_proxy" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/applied-cyber/wallball_proxy on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntex v0.42.2
[INFO] [stderr]   Downloaded pnet_transport v0.21.0
[INFO] [stderr]   Downloaded syntex_pos v0.42.0
[INFO] [stderr]   Downloaded pnet_sys v0.21.0
[INFO] [stderr]   Downloaded pnet_base v0.21.0
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded ipnetwork v0.12.8
[INFO] [stderr]   Downloaded pnet_packet v0.21.0
[INFO] [stderr]   Downloaded syntex_syntax v0.42.0
[INFO] [stderr]   Downloaded pnet_datalink v0.21.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.5
[INFO] [stderr]   Downloaded syntex_errors v0.42.0
[INFO] [stderr]   Downloaded pnet v0.21.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.21.0
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded pnet_macros v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e285bf0d0ee44792cb02e49cf25c8af8bd428ea7b6d1acf6c35b561cfce8c2e
[INFO] running `Command { std: "docker" "start" "-a" "0e285bf0d0ee44792cb02e49cf25c8af8bd428ea7b6d1acf6c35b561cfce8c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e285bf0d0ee44792cb02e49cf25c8af8bd428ea7b6d1acf6c35b561cfce8c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e285bf0d0ee44792cb02e49cf25c8af8bd428ea7b6d1acf6c35b561cfce8c2e", kill_on_drop: false }`
[INFO] [stdout] 0e285bf0d0ee44792cb02e49cf25c8af8bd428ea7b6d1acf6c35b561cfce8c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ca6751dfbcb20d230a444bf5212aa3d5ac9c2f3b2a1ed7004da65de07bd471a
[INFO] running `Command { std: "docker" "start" "-a" "2ca6751dfbcb20d230a444bf5212aa3d5ac9c2f3b2a1ed7004da65de07bd471a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling pnet_sys v0.21.0
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling aho-corasick v0.6.5
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[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: 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: 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: 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]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     packet: Box<dyn Packet>,
[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]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     in_iface_channel: Box<dyn DataLinkReceiver>,
[INFO] [stdout]    |                           +++
[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]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     out_iface_channel: Box<dyn DataLinkSender>,
[INFO] [stdout]    |                            +++
[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]   |                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn init(&mut self, packet: Box<dyn Packet>, size: usize) -> Result<(), &str>;
[INFO] [stdout]   |                                    +++
[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]   |                                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next(&mut self) -> Result<Option<Box<dyn Packet>>, &str>;
[INFO] [stdout]   |                                             +++
[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]    |                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn init(&mut self, packet: Box<dyn Packet>, size: usize) -> Result<(), &str> {
[INFO] [stdout]    |                                    +++
[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]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn next(&mut self) -> Result<Option<Box<dyn Packet>>, &str> {
[INFO] [stdout]    |                                             +++
[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]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 |         -> (Box<dyn DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stdout]     |                 +++
[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]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 |         -> (Box<DataLinkSender>, Box<dyn DataLinkReceiver>) {
[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: 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: 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: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: 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: 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: constant `IPv4_ETHERTYPE` is never used
[INFO] [stdout]   --> src/main.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GATEWAY_MAC_ADDR` is never used
[INFO] [stdout]   --> src/main.rs:29:7
[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 `BUF_SIZE` is never used
[INFO] [stdout]   --> src/main.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const BUF_SIZE: usize = 1500;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ICMP_TYPE` is never used
[INFO] [stdout]   --> src/main.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const ICMP_TYPE: usize = 11;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `packet` and `offset` are never read
[INFO] [stdout]   --> src/frag.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ProxyFragStruct {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 15 |     packet: Box<Packet>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `in_iface` and `destination_ip` are never read
[INFO] [stdout]   --> src/proxy_tx.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ProxyTxStruct {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 25 |     in_iface: NetworkInterface,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     destination_ip: Ipv4Addr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_middlebox_ip` and `set_destination_ip` are never used
[INFO] [stdout]   --> src/proxy_tx.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ProxyTxStruct {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn set_middlebox_ip(&mut self, middlebox_ip: Ipv4Addr) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[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 `establish_transport_channel` is never used
[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 `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] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2ca6751dfbcb20d230a444bf5212aa3d5ac9c2f3b2a1ed7004da65de07bd471a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca6751dfbcb20d230a444bf5212aa3d5ac9c2f3b2a1ed7004da65de07bd471a", kill_on_drop: false }`
[INFO] [stdout] 2ca6751dfbcb20d230a444bf5212aa3d5ac9c2f3b2a1ed7004da65de07bd471a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db81b03d765d31bc1d3400cde448365a4d922ffb13cb0913f8ee59149d6051f5
[INFO] running `Command { std: "docker" "start" "-a" "db81b03d765d31bc1d3400cde448365a4d922ffb13cb0913f8ee59149d6051f5", kill_on_drop: false }`
[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: 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: 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: 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]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     packet: Box<dyn Packet>,
[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]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     in_iface_channel: Box<dyn DataLinkReceiver>,
[INFO] [stdout]    |                           +++
[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]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     out_iface_channel: Box<dyn DataLinkSender>,
[INFO] [stdout]    |                            +++
[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]   |                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn init(&mut self, packet: Box<dyn Packet>, size: usize) -> Result<(), &str>;
[INFO] [stdout]   |                                    +++
[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]   |                                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next(&mut self) -> Result<Option<Box<dyn Packet>>, &str>;
[INFO] [stdout]   |                                             +++
[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]    |                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn init(&mut self, packet: Box<dyn Packet>, size: usize) -> Result<(), &str> {
[INFO] [stdout]    |                                    +++
[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]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn next(&mut self) -> Result<Option<Box<dyn Packet>>, &str> {
[INFO] [stdout]    |                                             +++
[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]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 |         -> (Box<dyn DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stdout]     |                 +++
[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]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 |         -> (Box<DataLinkSender>, Box<dyn DataLinkReceiver>) {
[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: 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: 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: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: 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: 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: constant `IPv4_ETHERTYPE` is never used
[INFO] [stdout]   --> src/main.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GATEWAY_MAC_ADDR` is never used
[INFO] [stdout]   --> src/main.rs:29:7
[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 `BUF_SIZE` is never used
[INFO] [stdout]   --> src/main.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const BUF_SIZE: usize = 1500;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ICMP_TYPE` is never used
[INFO] [stdout]   --> src/main.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const ICMP_TYPE: usize = 11;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `packet` and `offset` are never read
[INFO] [stdout]   --> src/frag.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ProxyFragStruct {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 15 |     packet: Box<Packet>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `in_iface` and `destination_ip` are never read
[INFO] [stdout]   --> src/proxy_tx.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ProxyTxStruct {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 25 |     in_iface: NetworkInterface,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     destination_ip: Ipv4Addr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_middlebox_ip` and `set_destination_ip` are never used
[INFO] [stdout]   --> src/proxy_tx.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ProxyTxStruct {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn set_middlebox_ip(&mut self, middlebox_ip: Ipv4Addr) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[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 `establish_transport_channel` is never used
[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 `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] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "db81b03d765d31bc1d3400cde448365a4d922ffb13cb0913f8ee59149d6051f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db81b03d765d31bc1d3400cde448365a4d922ffb13cb0913f8ee59149d6051f5", kill_on_drop: false }`
[INFO] [stdout] db81b03d765d31bc1d3400cde448365a4d922ffb13cb0913f8ee59149d6051f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22391f3618766094c1be41c60fd2c9273309309fa6888b0ef4e961109d1d9ab1
[INFO] running `Command { std: "docker" "start" "-a" "22391f3618766094c1be41c60fd2c9273309309fa6888b0ef4e961109d1d9ab1", 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: 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: 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: 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]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 15 |     packet: Box<dyn Packet>,
[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]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 |     in_iface_channel: Box<dyn DataLinkReceiver>,
[INFO] [stderr]    |                           +++
[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]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 |     out_iface_channel: Box<dyn DataLinkSender>,
[INFO] [stderr]    |                            +++
[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]   |                                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn init(&mut self, packet: Box<dyn Packet>, size: usize) -> Result<(), &str>;
[INFO] [stderr]   |                                    +++
[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]   |                                             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn next(&mut self) -> Result<Option<Box<dyn Packet>>, &str>;
[INFO] [stderr]   |                                             +++
[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]    |                                    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn init(&mut self, packet: Box<dyn Packet>, size: usize) -> Result<(), &str> {
[INFO] [stderr]    |                                    +++
[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]    |                                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn next(&mut self) -> Result<Option<Box<dyn Packet>>, &str> {
[INFO] [stderr]    |                                             +++
[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]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 150 |         -> (Box<dyn DataLinkSender>, Box<DataLinkReceiver>) {
[INFO] [stderr]     |                 +++
[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]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 150 |         -> (Box<DataLinkSender>, Box<dyn DataLinkReceiver>) {
[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: 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: 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: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: 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: 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: constant `IPv4_ETHERTYPE` is never used
[INFO] [stderr]   --> src/main.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 | const IPv4_ETHERTYPE: EtherType = 0x0800;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `GATEWAY_MAC_ADDR` is never used
[INFO] [stderr]   --> src/main.rs:29:7
[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 `BUF_SIZE` is never used
[INFO] [stderr]   --> src/main.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 | const BUF_SIZE: usize = 1500;
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ICMP_TYPE` is never used
[INFO] [stderr]   --> src/main.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 | const ICMP_TYPE: usize = 11;
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `packet` and `offset` are never read
[INFO] [stderr]   --> src/frag.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct ProxyFragStruct {
[INFO] [stderr]    |            --------------- fields in this struct
[INFO] [stderr] 15 |     packet: Box<Packet>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 16 |     offset: usize,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `in_iface` and `destination_ip` are never read
[INFO] [stderr]   --> src/proxy_tx.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct ProxyTxStruct {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] 25 |     in_iface: NetworkInterface,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     destination_ip: Ipv4Addr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_middlebox_ip` and `set_destination_ip` are never used
[INFO] [stderr]   --> src/proxy_tx.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | impl ProxyTxStruct {
[INFO] [stderr]    | ------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn set_middlebox_ip(&mut self, middlebox_ip: Ipv4Addr) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub fn set_destination_ip(&mut self, destination_ip: Ipv4Addr) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `establish_transport_channel` is never used
[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 `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: `wallball_proxy` (bin "wallball_proxy" test) generated 46 warnings (run `cargo fix --bin "wallball_proxy" --tests` to apply 37 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wallball_proxy-8de9af98e3ab2aca)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22391f3618766094c1be41c60fd2c9273309309fa6888b0ef4e961109d1d9ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22391f3618766094c1be41c60fd2c9273309309fa6888b0ef4e961109d1d9ab1", kill_on_drop: false }`
[INFO] [stdout] 22391f3618766094c1be41c60fd2c9273309309fa6888b0ef4e961109d1d9ab1
[INFO] testing applied-cyber/wallball_proxy against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapplied-cyber%2Fwallball_proxy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/applied-cyber/wallball_proxy on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94eea85efa84ebc2c11f61171f82ffeb9913f40a98e13dd3cdb282276c49de9c
[INFO] running `Command { std: "docker" "start" "-a" "94eea85efa84ebc2c11f61171f82ffeb9913f40a98e13dd3cdb282276c49de9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94eea85efa84ebc2c11f61171f82ffeb9913f40a98e13dd3cdb282276c49de9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94eea85efa84ebc2c11f61171f82ffeb9913f40a98e13dd3cdb282276c49de9c", kill_on_drop: false }`
[INFO] [stdout] 94eea85efa84ebc2c11f61171f82ffeb9913f40a98e13dd3cdb282276c49de9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b44ddf941ce624529d97cb274ee5caf23dc4d3119880d96c9fae84f18d24afb7
[INFO] running `Command { std: "docker" "start" "-a" "b44ddf941ce624529d97cb274ee5caf23dc4d3119880d96c9fae84f18d24afb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling pnet_sys v0.21.0
[INFO] [stderr]    Compiling aho-corasick v0.6.5
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b44ddf941ce624529d97cb274ee5caf23dc4d3119880d96c9fae84f18d24afb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44ddf941ce624529d97cb274ee5caf23dc4d3119880d96c9fae84f18d24afb7", kill_on_drop: false }`
[INFO] [stdout] b44ddf941ce624529d97cb274ee5caf23dc4d3119880d96c9fae84f18d24afb7
