[INFO] cloning repository https://github.com/myst6re/vtun-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myst6re/vtun-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyst6re%2Fvtun-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyst6re%2Fvtun-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aa89fbf07a7faf8403c8565195a1dd0233ac068
[INFO] checking myst6re/vtun-rs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyst6re%2Fvtun-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myst6re/vtun-rs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myst6re/vtun-rs
[INFO] finished tweaking git repo https://github.com/myst6re/vtun-rs
[INFO] tweaked toml for git repo https://github.com/myst6re/vtun-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/myst6re/vtun-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09d27974beed0183484dc7548f1e93363b929408a4ac7cb0199108b1bd79dda3
[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" "09d27974beed0183484dc7548f1e93363b929408a4ac7cb0199108b1bd79dda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d27974beed0183484dc7548f1e93363b929408a4ac7cb0199108b1bd79dda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d27974beed0183484dc7548f1e93363b929408a4ac7cb0199108b1bd79dda3", kill_on_drop: false }`
[INFO] [stdout] 09d27974beed0183484dc7548f1e93363b929408a4ac7cb0199108b1bd79dda3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8998e23051a889d6d38662d735fa5aa7842c3b3ac330a5db174cd7fb0893e824
[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" "8998e23051a889d6d38662d735fa5aa7842c3b3ac330a5db174cd7fb0893e824", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking vtun-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `nix`?
[INFO] [stdout]  --> src/tunnel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::sys::socket::setsockopt;
[INFO] [stdout]   |     ^^^ maybe a missing crate `nix`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `nix`?
[INFO] [stdout]  --> src/tunnel.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nix::sys::socket::sockopt::KeepAlive;
[INFO] [stdout]   |     ^^^ maybe a missing crate `nix`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `nix`?
[INFO] [stdout]  --> src/tunnel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::sys::socket::setsockopt;
[INFO] [stdout]   |     ^^^ maybe a missing crate `nix`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `nix`?
[INFO] [stdout]  --> src/tunnel.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nix::sys::socket::sockopt::KeepAlive;
[INFO] [stdout]   |     ^^^ maybe a missing crate `nix`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]  --> src/tunnel.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]   |                  ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]  --> src/tunnel.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]   |                         ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stdout]  --> src/tunnel.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]   |                                 ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::os::unix::prelude::AsRawFd;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> src/tunnel.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]    |                  ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> src/tunnel.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]    |                         ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stdout]   --> src/tunnel.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]    |                                 ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::os::unix::prelude::AsRawFd;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> src/tunnel.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stdout]    |                   ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> src/tunnel.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stdout]    |                          ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stdout]   --> src/tunnel.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stdout]    |                                  ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::os::unix::prelude::AsRawFd;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Duration` in this scope
[INFO] [stdout]   --> src/tunnel.rs:51:65
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn tunnel(mut stream: TcpStream, udp: bool, timeout: Option<Duration>) {
[INFO] [stdout]    |                                                                 ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `setsockopt` in this scope
[INFO] [stdout]   --> src/tunnel.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         setsockopt(stream.as_raw_fd(), KeepAlive, true);
[INFO] [stdout]    |         ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  | use server::thread::panicking::backtrace::backtrace_rs::symbolize::gimli::mystd::sys::net::setsockopt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `KeepAlive` in this scope
[INFO] [stdout]   --> src/tunnel.rs:60:40
[INFO] [stdout]    |
[INFO] [stdout] 60 |         setsockopt(stream.as_raw_fd(), KeepAlive, true);
[INFO] [stdout]    |                                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/tunnel.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     if (udp) {
[INFO] [stdout]    |        ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/server.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream, ToSocketAddrs};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vtun-rs`
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]  --> src/tunnel.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]   |                  ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]  --> src/tunnel.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]   |                         ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stdout]  --> src/tunnel.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]   |                                 ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::os::unix::prelude::AsRawFd;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> src/tunnel.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]    |                  ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> src/tunnel.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]    |                         ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stdout]   --> src/tunnel.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stdout]    |                                 ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::os::unix::prelude::AsRawFd;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> src/tunnel.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stdout]    |                   ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> src/tunnel.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stdout]    |                          ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stdout]   --> src/tunnel.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stdout]    |                                  ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::os::unix::prelude::AsRawFd;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Duration` in this scope
[INFO] [stdout]   --> src/tunnel.rs:51:65
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn tunnel(mut stream: TcpStream, udp: bool, timeout: Option<Duration>) {
[INFO] [stdout]    |                                                                 ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `setsockopt` in this scope
[INFO] [stdout]   --> src/tunnel.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         setsockopt(stream.as_raw_fd(), KeepAlive, true);
[INFO] [stdout]    |         ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  | use server::thread::panicking::backtrace::backtrace_rs::symbolize::gimli::mystd::sys::net::setsockopt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `KeepAlive` in this scope
[INFO] [stdout]   --> src/tunnel.rs:60:40
[INFO] [stdout]    |
[INFO] [stdout] 60 |         setsockopt(stream.as_raw_fd(), KeepAlive, true);
[INFO] [stdout]    |                                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/tunnel.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     if (udp) {
[INFO] [stdout]    |        ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/server.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream, ToSocketAddrs};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8998e23051a889d6d38662d735fa5aa7842c3b3ac330a5db174cd7fb0893e824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8998e23051a889d6d38662d735fa5aa7842c3b3ac330a5db174cd7fb0893e824", kill_on_drop: false }`
[INFO] [stdout] 8998e23051a889d6d38662d735fa5aa7842c3b3ac330a5db174cd7fb0893e824