[INFO] updating cached repository myst6re/vtun-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/myst6re/vtun-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/myst6re/vtun-rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/myst6re/vtun-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/myst6re/vtun-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/myst6re/vtun-rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/myst6re/vtun-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/myst6re/vtun-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7aa89fbf07a7faf8403c8565195a1dd0233ac068
[INFO] sha for GitHub repo myst6re/vtun-rs: 7aa89fbf07a7faf8403c8565195a1dd0233ac068
[INFO] validating manifest of myst6re/vtun-rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of myst6re/vtun-rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing myst6re/vtun-rs
[INFO] finished frobbing myst6re/vtun-rs
[INFO] frobbed toml for myst6re/vtun-rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/myst6re/vtun-rs/Cargo.toml
[INFO] started frobbing myst6re/vtun-rs
[INFO] finished frobbing myst6re/vtun-rs
[INFO] frobbed toml for myst6re/vtun-rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/myst6re/vtun-rs/Cargo.toml
[INFO] crate myst6re/vtun-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/myst6re/vtun-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking myst6re/vtun-rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/myst6re/vtun-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a527a54be1103255004dfb51e7f838503b0ebc14fac54ca929e014223bc05279
[INFO] running `"docker" "start" "-a" "a527a54be1103255004dfb51e7f838503b0ebc14fac54ca929e014223bc05279"`
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking vtun-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate nix;`?
[INFO] [stderr]  --> src/tunnel.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nix::sys::socket::setsockopt;
[INFO] [stderr]   |     ^^^ maybe a missing `extern crate nix;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate nix;`?
[INFO] [stderr]  --> src/tunnel.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nix::sys::socket::sockopt::KeepAlive;
[INFO] [stderr]   |     ^^^ maybe a missing `extern crate nix;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stderr]  --> src/tunnel.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]   |                  ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Read;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::Read;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stderr]  --> src/tunnel.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]   |                         ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Write;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Write;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::Write;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stderr]  --> src/tunnel.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]   |                                 ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::os::unix::io::AsRawFd;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::os::unix::prelude::AsRawFd;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stderr]   --> src/tunnel.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]    |                  ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::Read;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::prelude::Read;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stderr]   --> src/tunnel.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]    |                         ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::fmt::Write;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::Write;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::prelude::Write;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stderr]   --> src/tunnel.rs:25:33
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]    |                                 ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::io::AsRawFd;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::prelude::AsRawFd;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stderr]   --> src/tunnel.rs:41:19
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stderr]    |                   ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::Read;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::prelude::Read;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stderr]   --> src/tunnel.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stderr]    |                          ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::fmt::Write;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::Write;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::prelude::Write;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stderr]   --> src/tunnel.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::io::AsRawFd;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::prelude::AsRawFd;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Duration` in this scope
[INFO] [stderr]   --> src/tunnel.rs:51:65
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn tunnel(mut stream: TcpStream, udp: bool, timeout: Option<Duration>) {
[INFO] [stderr]    |                                                                 ^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::time::Duration;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `setsockopt` in this scope
[INFO] [stderr]   --> src/tunnel.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         setsockopt(stream.as_raw_fd(), KeepAlive, true);
[INFO] [stderr]    |         ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `KeepAlive` in this scope
[INFO] [stderr]   --> src/tunnel.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 60 |         setsockopt(stream.as_raw_fd(), KeepAlive, true);
[INFO] [stderr]    |                                        ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::sys::socket::setsockopt`
[INFO] [stderr]  --> src/tunnel.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nix::sys::socket::setsockopt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::sys::socket::sockopt::KeepAlive`
[INFO] [stderr]  --> src/tunnel.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nix::sys::socket::sockopt::KeepAlive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/tunnel.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     if (udp) {
[INFO] [stderr]    |        ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/server.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{TcpListener, TcpStream, ToSocketAddrs};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0405, E0412, E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `vtun-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate nix;`?
[INFO] [stderr]  --> src/tunnel.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nix::sys::socket::setsockopt;
[INFO] [stderr]   |     ^^^ maybe a missing `extern crate nix;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate nix;`?
[INFO] [stderr]  --> src/tunnel.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nix::sys::socket::sockopt::KeepAlive;
[INFO] [stderr]   |     ^^^ maybe a missing `extern crate nix;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stderr]  --> src/tunnel.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]   |                  ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Read;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::Read;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stderr]  --> src/tunnel.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]   |                         ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Write;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Write;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::Write;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stderr]  --> src/tunnel.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn tunnel_net<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]   |                                 ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::os::unix::io::AsRawFd;
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::os::unix::prelude::AsRawFd;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stderr]   --> src/tunnel.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]    |                  ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::Read;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::prelude::Read;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stderr]   --> src/tunnel.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]    |                         ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::fmt::Write;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::Write;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::prelude::Write;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stderr]   --> src/tunnel.rs:25:33
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn tunnel_loc<S: Read + Write + AsRawFd>(in_c: S, out_c: S) {
[INFO] [stderr]    |                                 ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::io::AsRawFd;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::prelude::AsRawFd;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stderr]   --> src/tunnel.rs:41:19
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stderr]    |                   ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::Read;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::prelude::Read;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stderr]   --> src/tunnel.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stderr]    |                          ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::fmt::Write;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::Write;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::io::prelude::Write;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawFd` in this scope
[INFO] [stderr]   --> src/tunnel.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn tunnel_loop<S: Read + Write + AsRawFd>(net: S, loc: S) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::io::AsRawFd;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::prelude::AsRawFd;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Duration` in this scope
[INFO] [stderr]   --> src/tunnel.rs:51:65
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn tunnel(mut stream: TcpStream, udp: bool, timeout: Option<Duration>) {
[INFO] [stderr]    |                                                                 ^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::time::Duration;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `setsockopt` in this scope
[INFO] [stderr]   --> src/tunnel.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         setsockopt(stream.as_raw_fd(), KeepAlive, true);
[INFO] [stderr]    |         ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `KeepAlive` in this scope
[INFO] [stderr]   --> src/tunnel.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 60 |         setsockopt(stream.as_raw_fd(), KeepAlive, true);
[INFO] [stderr]    |                                        ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::sys::socket::setsockopt`
[INFO] [stderr]  --> src/tunnel.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nix::sys::socket::setsockopt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::sys::socket::sockopt::KeepAlive`
[INFO] [stderr]  --> src/tunnel.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nix::sys::socket::sockopt::KeepAlive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/tunnel.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     if (udp) {
[INFO] [stderr]    |        ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/server.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{TcpListener, TcpStream, ToSocketAddrs};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0405, E0412, E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `vtun-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a527a54be1103255004dfb51e7f838503b0ebc14fac54ca929e014223bc05279"`
[INFO] running `"docker" "rm" "-f" "a527a54be1103255004dfb51e7f838503b0ebc14fac54ca929e014223bc05279"`
[INFO] [stdout] a527a54be1103255004dfb51e7f838503b0ebc14fac54ca929e014223bc05279