[INFO] cloning repository https://github.com/wangmarkqi/udp_hole_punching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangmarkqi/udp_hole_punching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 462a00f77110c86bc82ecf2eb4139cb1fe4d5e3c
[INFO] checking wangmarkqi/udp_hole_punching against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangmarkqi/udp_hole_punching on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] finished tweaking git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] tweaked toml for git repo https://github.com/wangmarkqi/udp_hole_punching written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wangmarkqi/udp_hole_punching already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a63354c9772e88ebbced25e7c66846a5eaa6e1d1db0717fe23f7bc6a3421ef44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a63354c9772e88ebbced25e7c66846a5eaa6e1d1db0717fe23f7bc6a3421ef44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63354c9772e88ebbced25e7c66846a5eaa6e1d1db0717fe23f7bc6a3421ef44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63354c9772e88ebbced25e7c66846a5eaa6e1d1db0717fe23f7bc6a3421ef44", kill_on_drop: false }`
[INFO] [stdout] a63354c9772e88ebbced25e7c66846a5eaa6e1d1db0717fe23f7bc6a3421ef44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ff65646536a8275607ff431624d62bdd2c19345797612939ddd0b4a73e8881f
[INFO] running `Command { std: "docker" "start" "-a" "7ff65646536a8275607ff431624d62bdd2c19345797612939ddd0b4a73e8881f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking event-listener v2.2.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking async-channel v1.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking futures-lite v0.1.8
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking udp_hole_punching v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `MutexGuard`
[INFO] [stdout]  --> src/client/rec_cache.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{Arc, Mutex, MutexGuard}, collections::HashMap};
[INFO] [stdout]   |                  ^^^         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/client/rec_cache.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packets::Packets`
[INFO] [stdout]  --> src/client/packet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::packets::Packets;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/client/conf.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::net::{SocketAddr};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `MutexGuard`, `collections::HashMap`
[INFO] [stdout]  --> src/client/conf.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{sync::{Arc, Mutex, MutexGuard}, collections::HashMap};
[INFO] [stdout]   |                  ^^^         ^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packets::Packets`
[INFO] [stdout]  --> src/client/cmd_packet.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::packets::Packets;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::conf::Conf`
[INFO] [stdout]  --> src/client/cmd_packet.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::conf::Conf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/client/cmd_packet.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/client/api_callee.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::OnceCell`
[INFO] [stdout]  --> src/client/api_callee.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use once_cell::sync::OnceCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packets::Packets`
[INFO] [stdout]   --> src/client/api_callee.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use super::packets::Packets;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::api_peer::*`
[INFO] [stdout]   --> src/client/api_callee.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use super::api_peer::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::api_server::*`
[INFO] [stdout]   --> src/client/api_callee.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use super::api_server::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::OnceCell`
[INFO] [stdout]  --> src/client/api_peer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use once_cell::sync::OnceCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::server::swap_cmd::SwapCmd`
[INFO] [stdout]  --> src/client/api_peer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::server::swap_cmd::SwapCmd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/client/api_peer.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/client/api_server.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packet::Packet`
[INFO] [stdout]  --> src/client/api_server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::packet::Packet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rec_cache::RecCache`
[INFO] [stdout]  --> src/client/api_server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::rec_cache::RecCache;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packets::Packets`
[INFO] [stdout]  --> src/client/api_server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::packets::Packets;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `MutexGuard`
[INFO] [stdout]  --> src/client/rec_cache.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{Arc, Mutex, MutexGuard}, collections::HashMap};
[INFO] [stdout]   |                  ^^^         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/client/rec_cache.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packets::Packets`
[INFO] [stdout]  --> src/client/packet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::packets::Packets;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/client/conf.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::net::{SocketAddr};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `MutexGuard`, `collections::HashMap`
[INFO] [stdout]  --> src/client/conf.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{sync::{Arc, Mutex, MutexGuard}, collections::HashMap};
[INFO] [stdout]   |                  ^^^         ^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packets::Packets`
[INFO] [stdout]  --> src/client/cmd_packet.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::packets::Packets;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::conf::Conf`
[INFO] [stdout]  --> src/client/cmd_packet.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::conf::Conf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/client/cmd_packet.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/client/api_callee.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::OnceCell`
[INFO] [stdout]  --> src/client/api_callee.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use once_cell::sync::OnceCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packets::Packets`
[INFO] [stdout]   --> src/client/api_callee.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use super::packets::Packets;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::api_peer::*`
[INFO] [stdout]   --> src/client/api_callee.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use super::api_peer::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::api_server::*`
[INFO] [stdout]   --> src/client/api_callee.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use super::api_server::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::OnceCell`
[INFO] [stdout]  --> src/client/api_peer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use once_cell::sync::OnceCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::server::swap_cmd::SwapCmd`
[INFO] [stdout]  --> src/client/api_peer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::server::swap_cmd::SwapCmd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/client/api_peer.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/client/api_server.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packet::Packet`
[INFO] [stdout]  --> src/client/api_server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::packet::Packet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rec_cache::RecCache`
[INFO] [stdout]  --> src/client/api_server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::rec_cache::RecCache;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::packets::Packets`
[INFO] [stdout]  --> src/client/api_server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::packets::Packets;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/client/api_peer.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     loop {
[INFO] [stdout] 22 | |         let mut rest = vec![];
[INFO] [stdout] 23 | |         for pac in task.iter() {
[INFO] [stdout] 24 | |             let data = pac.to_bytes();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         };
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 42 |       Ok(true)
[INFO] [stdout]    |       ^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/client/api_peer.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     loop {
[INFO] [stdout] 22 | |         let mut rest = vec![];
[INFO] [stdout] 23 | |         for pac in task.iter() {
[INFO] [stdout] 24 | |             let data = pac.to_bytes();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         };
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 42 |       Ok(true)
[INFO] [stdout]    |       ^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/client/packet.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let max = if remainder != 0 { times } else { times - 1 };
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client/api_callee.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if let Err(e) = receive {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/client/api_peer.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let (n, address) = soc.recv_from(&mut buf).await?;
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/client/api_server.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let (n, address) = soc.recv_from(&mut buf).await?;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]   --> src/client/api_server.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let cmd = buf[0];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client/rec_cache.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut store = RCache.lock().unwrap();
[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/client/conf.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut m = Conf::default();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/server/process.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     make_match(host).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RCache` should have an upper case name
[INFO] [stdout]   --> src/client/rec_cache.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub static RCache: Lazy<Mutex<HashMap<SocketAddr, RecCache>>> = Lazy::new(|| {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper case: `RCACHE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/client/api_callee.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     listen().await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> src/client/packets.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let res=Packet::new_pacs_from_send_bytes(body,12);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- -- supplied 2 arguments
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected 1 argument
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/client/packet.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_pacs_from_send_bytes( body: &Vec<u8>) -> Vec<Packet> {
[INFO] [stdout]    |     --------------------------------------------------------------- defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `udp_hole_punching`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7ff65646536a8275607ff431624d62bdd2c19345797612939ddd0b4a73e8881f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff65646536a8275607ff431624d62bdd2c19345797612939ddd0b4a73e8881f", kill_on_drop: false }`
[INFO] [stdout] 7ff65646536a8275607ff431624d62bdd2c19345797612939ddd0b4a73e8881f