[INFO] cloning repository https://github.com/attenuation/boringvpn
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/attenuation/boringvpn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fattenuation%2Fboringvpn"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fattenuation%2Fboringvpn'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd3a0f0632846011072763099fb2515f2a1e4d2e
[INFO] checking attenuation/boringvpn against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fattenuation%2Fboringvpn" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/attenuation/boringvpn on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/attenuation/boringvpn
[INFO] finished tweaking git repo https://github.com/attenuation/boringvpn
[INFO] tweaked toml for git repo https://github.com/attenuation/boringvpn written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/attenuation/boringvpn already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f30ecdb85116a3e6c8b99e70b64a53d9f7f7cc1d0337f6cfc7860a8b0618ab7
[INFO] running `"docker" "start" "-a" "6f30ecdb85116a3e6c8b99e70b64a53d9f7f7cc1d0337f6cfc7860a8b0618ab7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking transient-hashmap v0.4.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling boringvpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dns-lookup v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr] warning: src/c/tuntap.c: In function 'set_ip':
[INFO] [stderr] warning: src/c/tuntap.c:71:5: warning: format not a string literal and no format arguments [-Wformat-security]
[INFO] [stderr] warning:      printf(ip_addr);
[INFO] [stderr] warning:      ^~~~~~
[INFO] [stderr] warning: src/c/tuntap.c:72:5: warning: format not a string literal and no format arguments [-Wformat-security]
[INFO] [stderr] warning:      printf(netmask);
[INFO] [stderr] warning:      ^~~~~~
[INFO] [stderr] warning: src/c/tuntap.c:86:23: warning: passing argument 2 of 'inet_aton' from incompatible pointer type [-Wincompatible-pointer-types]
[INFO] [stderr] warning:      inet_aton(ip_addr,&sin.sin_addr.s_addr);
[INFO] [stderr] warning:                        ^
[INFO] [stderr] warning: In file included from src/c/tuntap.c:12:0:
[INFO] [stderr] warning: /usr/include/arpa/inet.h:73:12: note: expected 'struct in_addr *' but argument is of type 'in_addr_t * {aka unsigned int *}'
[INFO] [stderr] warning:  extern int inet_aton (const char *__cp, struct in_addr *__inp) __THROW;
[INFO] [stderr] warning:             ^~~~~~~~~
[INFO] [stderr] warning: src/c/tuntap.c:91:23: warning: passing argument 2 of 'inet_aton' from incompatible pointer type [-Wincompatible-pointer-types]
[INFO] [stderr] warning:      inet_aton(netmask,&sin.sin_addr.s_addr);
[INFO] [stderr] warning:                        ^
[INFO] [stderr] warning: In file included from src/c/tuntap.c:12:0:
[INFO] [stderr] warning: /usr/include/arpa/inet.h:73:12: note: expected 'struct in_addr *' but argument is of type 'in_addr_t * {aka unsigned int *}'
[INFO] [stderr] warning:  extern int inet_aton (const char *__cp, struct in_addr *__inp) __THROW;
[INFO] [stderr] warning:             ^~~~~~~~~
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/main.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use libc;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand`
[INFO] [stderr]  --> src/crypto.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ring::{aead,pbkdf2,digest,rand};
[INFO] [stderr]   |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ring::rand::SecureRandom`
[INFO] [stderr]  --> src/crypto.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ring::rand::SecureRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/device.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `Ipv6Addr`
[INFO] [stderr]  --> src/device.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stderr]   |                ^^^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ipv6Addr`
[INFO] [stderr]  --> src/client.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, UdpSocket};
[INFO] [stderr]   |                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CryptoData`
[INFO] [stderr]   --> src/client.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::crypto::{Crypto,CryptoData,CryptoMethod};
[INFO] [stderr]    |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ipv6Addr`, `UdpSocket`
[INFO] [stderr]  --> src/server.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, UdpSocket};
[INFO] [stderr]   |                                  ^^^^^^^^              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dns_lookup`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use dns_lookup;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CryptoData`
[INFO] [stderr]   --> src/server.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::crypto::{Crypto,CryptoData,CryptoMethod};
[INFO] [stderr]    |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/cli.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use clap::{App, Arg, Error,SubCommand};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ffi::OsString`, `path::PathBuf`
[INFO] [stderr]  --> src/cli.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{ffi::OsString,path::PathBuf};
[INFO] [stderr]   |           ^^^^^^^^^^^^^ ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `Ipv6Addr`
[INFO] [stderr]  --> src/cli.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{IpAddr,Ipv4Addr,Ipv6Addr};
[INFO] [stderr]   |                ^^^^^^ ^^^^^^^^ ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/utils.rs:32:54
[INFO] [stderr]    |
[INFO] [stderr] 32 |         Ok(String::from_utf8(output.stdout).unwrap().trim_right().to_string())
[INFO] [stderr]    |                                                      ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/main.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use libc;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand`
[INFO] [stderr]  --> src/crypto.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ring::{aead,pbkdf2,digest,rand};
[INFO] [stderr]   |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ring::rand::SecureRandom`
[INFO] [stderr]  --> src/crypto.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ring::rand::SecureRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/device.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `Ipv6Addr`
[INFO] [stderr]  --> src/device.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stderr]   |                ^^^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]    --> src/device.rs:116:15
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::{thread, time};
[INFO] [stderr]     |               ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ipv6Addr`
[INFO] [stderr]  --> src/client.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, UdpSocket};
[INFO] [stderr]   |                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CryptoData`
[INFO] [stderr]   --> src/client.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::crypto::{Crypto,CryptoData,CryptoMethod};
[INFO] [stderr]    |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ipv6Addr`, `UdpSocket`
[INFO] [stderr]  --> src/server.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, UdpSocket};
[INFO] [stderr]   |                                  ^^^^^^^^              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dns_lookup`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use dns_lookup;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CryptoData`
[INFO] [stderr]   --> src/server.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::crypto::{Crypto,CryptoData,CryptoMethod};
[INFO] [stderr]    |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/cli.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use clap::{App, Arg, Error,SubCommand};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ffi::OsString`, `path::PathBuf`
[INFO] [stderr]  --> src/cli.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{ffi::OsString,path::PathBuf};
[INFO] [stderr]   |           ^^^^^^^^^^^^^ ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, `Ipv6Addr`
[INFO] [stderr]  --> src/cli.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{IpAddr,Ipv4Addr,Ipv6Addr};
[INFO] [stderr]   |                ^^^^^^ ^^^^^^^^ ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/utils.rs:154:54
[INFO] [stderr]     |
[INFO] [stderr] 154 |         Ok(String::from_utf8(output.stdout).unwrap().trim_right().to_string())
[INFO] [stderr]     |                                                      ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/client.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 184 | /         loop {
[INFO] [stderr] 185 | |             poll.poll(&mut events, None).expect("poll failed");
[INFO] [stderr] 186 | |             for event in events.iter() {
[INFO] [stderr] 187 | |                 match event.token() {
[INFO] [stderr] ...   |
[INFO] [stderr] 230 | |             }
[INFO] [stderr] 231 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 232 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/server.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 116 | /         loop {
[INFO] [stderr] 117 | |             // available_ids.append(&mut client_info.prune());
[INFO] [stderr] 118 | |             poll.poll(&mut events, None).expect("poll failed");
[INFO] [stderr] 119 | |             for event in events.iter() {
[INFO] [stderr] ...   |
[INFO] [stderr] 217 | |
[INFO] [stderr] 218 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 219 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/utils.rs:32:54
[INFO] [stderr]    |
[INFO] [stderr] 32 |         Ok(String::from_utf8(output.stdout).unwrap().trim_right().to_string())
[INFO] [stderr]    |                                                      ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/types.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/utils.rs:154:54
[INFO] [stderr]     |
[INFO] [stderr] 154 |         Ok(String::from_utf8(output.stdout).unwrap().trim_right().to_string())
[INFO] [stderr]     |                                                      ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/client.rs:172:126
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let _gw  = utils::DefaultGateWay::create(&client_ip.to_string(), &remote_ip.to_string(),self.default_route).map_err(|e| Error::Route("failed to create route or exist"))?;
[INFO] [stderr]     |                                                                                                                              ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ipv6`
[INFO] [stderr]    --> src/client.rs:168:24
[INFO] [stderr]     |
[INFO] [stderr] 168 |             IpAddr::V6(ipv6) => {},
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_ipv6`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ipv6`
[INFO] [stderr]    --> src/server.rs:134:52
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   IpAddr::V6(ipv6) => {},
[INFO] [stderr]     |                                  ^^^^ help: consider prefixing with an underscore: `_ipv6`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/client.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 184 | /         loop {
[INFO] [stderr] 185 | |             poll.poll(&mut events, None).expect("poll failed");
[INFO] [stderr] 186 | |             for event in events.iter() {
[INFO] [stderr] 187 | |                 match event.token() {
[INFO] [stderr] ...   |
[INFO] [stderr] 230 | |             }
[INFO] [stderr] 231 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 232 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/server.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 116 | /         loop {
[INFO] [stderr] 117 | |             // available_ids.append(&mut client_info.prune());
[INFO] [stderr] 118 | |             poll.poll(&mut events, None).expect("poll failed");
[INFO] [stderr] 119 | |             for event in events.iter() {
[INFO] [stderr] ...   |
[INFO] [stderr] 217 | |
[INFO] [stderr] 218 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 219 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create`
[INFO] [stderr]    --> src/utils.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn create(remote: &str) -> HostRoute {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_route_gateway`
[INFO] [stderr]    --> src/utils.rs:146:1
[INFO] [stderr]     |
[INFO] [stderr] 146 | fn get_route_gateway(route: &str) -> Result<String,String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_public_ip`
[INFO] [stderr]    --> src/utils.rs:161:1
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn get_public_ip() -> Result<String, String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChaCha20`
[INFO] [stderr]  --> src/crypto.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ChaCha20,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key`
[INFO] [stderr]   --> src/crypto.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     key: Vec<u8>
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/crypto.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inc_nonce`
[INFO] [stderr]   --> src/crypto.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn inc_nonce(nonce: &mut [u8]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `method`
[INFO] [stderr]   --> src/crypto.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn method(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nonce_byte`
[INFO] [stderr]   --> src/crypto.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn nonce_byte(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_key`
[INFO] [stderr]   --> src/crypto.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn get_key(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tap`
[INFO] [stderr]   --> src/device.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Tap
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `type_device`
[INFO] [stderr]   --> src/device.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     type_device: Type,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Socket`
[INFO] [stderr]  --> src/types.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Socket(&'static str, io::Error),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Name`
[INFO] [stderr]  --> src/types.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Name(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TunTapDev`
[INFO] [stderr]   --> src/types.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     TunTapDev(&'static str, io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `File`
[INFO] [stderr]   --> src/types.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     File(&'static str, io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Beacon`
[INFO] [stderr]   --> src/types.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Beacon(&'static str, io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Token`
[INFO] [stderr]  --> src/boring.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Token = u64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `resolve`
[INFO] [stderr]   --> src/client.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn resolve(host: &str) -> Result<IpAddr, String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_ip`
[INFO] [stderr]   --> src/client.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn parse_ip(&mut self,ipaddr: &str) -> Result<(),Error>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_netmask`
[INFO] [stderr]   --> src/client.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn parse_netmask(&mut self,netmask: &str) -> Result<(),Error>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_dns`
[INFO] [stderr]   --> src/client.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn parse_dns(&mut self,dns: &str) -> Result<(),Error>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shakehand_tcp`
[INFO] [stderr]    --> src/client.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn shakehand_tcp() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `connect_tcp`
[INFO] [stderr]    --> src/client.rs:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     pub fn connect_tcp() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/types.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/client.rs:172:126
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let _gw  = utils::DefaultGateWay::create(&client_ip.to_string(), &remote_ip.to_string(),self.default_route).map_err(|e| Error::Route("failed to create route or exist"))?;
[INFO] [stderr]     |                                                                                                                              ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ipv6`
[INFO] [stderr]    --> src/client.rs:168:24
[INFO] [stderr]     |
[INFO] [stderr] 168 |             IpAddr::V6(ipv6) => {},
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_ipv6`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ipv6`
[INFO] [stderr]    --> src/server.rs:134:52
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   IpAddr::V6(ipv6) => {},
[INFO] [stderr]     |                                  ^^^^ help: consider prefixing with an underscore: `_ipv6`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create`
[INFO] [stderr]    --> src/utils.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn create(remote: &str) -> HostRoute {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_public_ip`
[INFO] [stderr]    --> src/utils.rs:161:1
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn get_public_ip() -> Result<String, String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChaCha20`
[INFO] [stderr]  --> src/crypto.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ChaCha20,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key`
[INFO] [stderr]   --> src/crypto.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     key: Vec<u8>
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/crypto.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inc_nonce`
[INFO] [stderr]   --> src/crypto.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn inc_nonce(nonce: &mut [u8]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `method`
[INFO] [stderr]   --> src/crypto.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn method(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nonce_byte`
[INFO] [stderr]   --> src/crypto.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn nonce_byte(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_key`
[INFO] [stderr]   --> src/crypto.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn get_key(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tap`
[INFO] [stderr]   --> src/device.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Tap
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `type_device`
[INFO] [stderr]   --> src/device.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     type_device: Type,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Socket`
[INFO] [stderr]  --> src/types.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Socket(&'static str, io::Error),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Name`
[INFO] [stderr]  --> src/types.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Name(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TunTapDev`
[INFO] [stderr]   --> src/types.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     TunTapDev(&'static str, io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `File`
[INFO] [stderr]   --> src/types.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     File(&'static str, io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Beacon`
[INFO] [stderr]   --> src/types.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Beacon(&'static str, io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Token`
[INFO] [stderr]  --> src/boring.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Token = u64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `resolve`
[INFO] [stderr]   --> src/client.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn resolve(host: &str) -> Result<IpAddr, String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_ip`
[INFO] [stderr]   --> src/client.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn parse_ip(&mut self,ipaddr: &str) -> Result<(),Error>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_netmask`
[INFO] [stderr]   --> src/client.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn parse_netmask(&mut self,netmask: &str) -> Result<(),Error>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_dns`
[INFO] [stderr]   --> src/client.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn parse_dns(&mut self,dns: &str) -> Result<(),Error>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shakehand_tcp`
[INFO] [stderr]    --> src/client.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn shakehand_tcp() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `connect_tcp`
[INFO] [stderr]    --> src/client.rs:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     pub fn connect_tcp() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.04s
[INFO] running `"docker" "inspect" "6f30ecdb85116a3e6c8b99e70b64a53d9f7f7cc1d0337f6cfc7860a8b0618ab7"`
[INFO] running `"docker" "rm" "-f" "6f30ecdb85116a3e6c8b99e70b64a53d9f7f7cc1d0337f6cfc7860a8b0618ab7"`
[INFO] [stdout] 6f30ecdb85116a3e6c8b99e70b64a53d9f7f7cc1d0337f6cfc7860a8b0618ab7