[INFO] cloning repository https://github.com/ericrobolson/g_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericrobolson/g_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2Fg_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2Fg_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a2f880a6fb3a4ba4556a750091bf361a51559ec
[INFO] checking ericrobolson/g_network against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2Fg_network" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ericrobolson/g_network
[INFO] finished tweaking git repo https://github.com/ericrobolson/g_network
[INFO] tweaked toml for git repo https://github.com/ericrobolson/g_network written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ericrobolson/g_network on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ericrobolson/g_network 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9463ee20bd2648de865827d560f23e089d24a5cc995aeaef016fdeded5727726
[INFO] running `Command { std: "docker" "start" "-a" "9463ee20bd2648de865827d560f23e089d24a5cc995aeaef016fdeded5727726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9463ee20bd2648de865827d560f23e089d24a5cc995aeaef016fdeded5727726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9463ee20bd2648de865827d560f23e089d24a5cc995aeaef016fdeded5727726", kill_on_drop: false }`
[INFO] [stdout] 9463ee20bd2648de865827d560f23e089d24a5cc995aeaef016fdeded5727726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c62d4d54dfdb0e7cb521a7f1f838885722e7293a876f8e14579b16216933658
[INFO] running `Command { std: "docker" "start" "-a" "2c62d4d54dfdb0e7cb521a7f1f838885722e7293a876f8e14579b16216933658", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking networking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |             /// This will ensure that we only start acking valid packets.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 107 |             latest_ack_id: PacketId::from(0).decrement(),
[INFO] [stdout]     |             -------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             /// This ensures that we start polling at the proper id.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 109 |             next_id_to_poll: packet_id::Inner::MAX.into(),
[INFO] [stdout]     |             --------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             /// The next packet to send off.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 111 |             next_packet_id: 0.into(),
[INFO] [stdout]     |             ------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             /// The capacity for each packet.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 113 |             packet_capacity,
[INFO] [stdout]     |             --------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             /// The received packets.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 115 |             received_packet_buffer: RingBuffer::new(),
[INFO] [stdout]     |             ----------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             /// The sent packets and the delivery status.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 117 |             sent_packet_sequence_buffer: RingBuffer::new(),
[INFO] [stdout]     |             ---------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             /// The socket handle.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 119 |             socket,
[INFO] [stdout]     |             ------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `packet_id::*`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use packet_id::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |             /// This will ensure that we only start acking valid packets.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 107 |             latest_ack_id: PacketId::from(0).decrement(),
[INFO] [stdout]     |             -------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             /// This ensures that we start polling at the proper id.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 109 |             next_id_to_poll: packet_id::Inner::MAX.into(),
[INFO] [stdout]     |             --------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             /// The next packet to send off.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 111 |             next_packet_id: 0.into(),
[INFO] [stdout]     |             ------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             /// The capacity for each packet.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 113 |             packet_capacity,
[INFO] [stdout]     |             --------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             /// The received packets.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 115 |             received_packet_buffer: RingBuffer::new(),
[INFO] [stdout]     |             ----------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             /// The sent packets and the delivery status.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 117 |             sent_packet_sequence_buffer: RingBuffer::new(),
[INFO] [stdout]     |             ---------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/connection.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             /// The socket handle.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 119 |             socket,
[INFO] [stdout]     |             ------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `packet::*`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use packet::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `packet_id::*`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use packet_id::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/connection.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 199 | /                 match Packet::from_bytes(&buff) {
[INFO] [stdout] 200 | |                     Ok(packet) => {
[INFO] [stdout] 201 | |                         // Read in sequence from the packet header
[INFO] [stdout] 202 | |                         let ack_id = packet.ack_id();
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |                     Err(_) => todo!(),
[INFO] [stdout] 235 | |                 }
[INFO] [stdout]     | |_________________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 236 |
[INFO] [stdout] 237 |                   todo!()
[INFO] [stdout]     |                   ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/connection.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 199 | /                 match Packet::from_bytes(&buff) {
[INFO] [stdout] 200 | |                     Ok(packet) => {
[INFO] [stdout] 201 | |                         // Read in sequence from the packet header
[INFO] [stdout] 202 | |                         let ack_id = packet.ack_id();
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |                     Err(_) => todo!(),
[INFO] [stdout] 235 | |                 }
[INFO] [stdout]     | |_________________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 236 |
[INFO] [stdout] 237 |                   todo!()
[INFO] [stdout]     |                   ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DeliveryStatus` is never used
[INFO] [stdout]   --> src/connection.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum DeliveryStatus {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Notification` is never constructed
[INFO] [stdout]   --> src/connection.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Notification {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/connection.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const BUFFER_SIZE: usize = 1024;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Connection` is never constructed
[INFO] [stdout]   --> src/connection.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Connection<TSocket>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/connection.rs:46:12
[INFO] [stdout]     |
[INFO] [stdout]  41 | / impl<TSocket> Connection<TSocket>
[INFO] [stdout]  42 | | where
[INFO] [stdout]  43 | |     TSocket: Socket,
[INFO] [stdout]     | |____________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  46 |       pub fn generate_packet(&mut self) -> Packet {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |       fn handle_acks(&mut self, packet: &Packet) {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |       fn mark_in_flight_as_dropped(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |       pub fn new(packet_capacity: usize, socket: TSocket) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |       pub fn poll_notification(&mut self) -> Option<Notification> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |       pub fn receive(&mut self) -> Result<Option<Packet>, PacketErr> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |       fn set_acks(&self, packet: &mut Packet) {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |       pub fn send_packet(&mut self, mut packet: Packet) -> Result<(), SocketErr> {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SocketErr` is never used
[INFO] [stdout]  --> src/socket.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum SocketErr {}
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Socket` is never used
[INFO] [stdout]  --> src/socket.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Socket {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/test_helpers.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{borrow::Borrow, cell::RefCell};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `expected` is never read
[INFO] [stdout]    --> src/connection.rs:612:13
[INFO] [stdout]     |
[INFO] [stdout] 612 |             expected[3].1 = AckStatus::Ackd;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Notification` is never constructed
[INFO] [stdout]   --> src/connection.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Notification {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `poll_notification` and `receive` are never used
[INFO] [stdout]    --> src/connection.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout]  41 | / impl<TSocket> Connection<TSocket>
[INFO] [stdout]  42 | | where
[INFO] [stdout]  43 | |     TSocket: Socket,
[INFO] [stdout]     | |____________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |       pub fn poll_notification(&mut self) -> Option<Notification> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |       pub fn receive(&mut self) -> Result<Option<Packet>, PacketErr> {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read` is never used
[INFO] [stdout]   --> src/socket.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait Socket {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn read(&self, buff: &mut [u8]) -> Result<(), SocketErr>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "2c62d4d54dfdb0e7cb521a7f1f838885722e7293a876f8e14579b16216933658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c62d4d54dfdb0e7cb521a7f1f838885722e7293a876f8e14579b16216933658", kill_on_drop: false }`
[INFO] [stdout] 2c62d4d54dfdb0e7cb521a7f1f838885722e7293a876f8e14579b16216933658
