[INFO] cloning repository https://github.com/sanjitako/tun2socks_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sanjitako/tun2socks_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanjitako%2Ftun2socks_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanjitako%2Ftun2socks_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a238bdbd53d3d07708f56a88f4edd8ee68c22c57
[INFO] testing sanjitako/tun2socks_demo against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanjitako%2Ftun2socks_demo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sanjitako/tun2socks_demo on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sanjitako/tun2socks_demo
[INFO] finished tweaking git repo https://github.com/sanjitako/tun2socks_demo
[INFO] tweaked toml for git repo https://github.com/sanjitako/tun2socks_demo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sanjitako/tun2socks_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sanjitako/protosocks`
[INFO] [stderr]     Updating git repository `https://github.com/sanjitako/ustcp`
[INFO] [stderr]     Updating git repository `https://github.com/sanjitako/smoltcp`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/wzhd/trilock.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded managed v0.7.2
[INFO] [stderr]   Downloaded tokio-fd v0.3.0
[INFO] [stderr]   Downloaded tun v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30c5d298fbbbef49d8e899cba494d1dfce8fb60b9494d44dc55809d5546525f2
[INFO] running `Command { std: "docker" "start" "-a" "30c5d298fbbbef49d8e899cba494d1dfce8fb60b9494d44dc55809d5546525f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30c5d298fbbbef49d8e899cba494d1dfce8fb60b9494d44dc55809d5546525f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c5d298fbbbef49d8e899cba494d1dfce8fb60b9494d44dc55809d5546525f2", kill_on_drop: false }`
[INFO] [stdout] 30c5d298fbbbef49d8e899cba494d1dfce8fb60b9494d44dc55809d5546525f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c20ae20a819180bb39722c65593a2af6b02a646cc9f91c8ff79c7fcf3ead1df
[INFO] running `Command { std: "docker" "start" "-a" "1c20ae20a819180bb39722c65593a2af6b02a646cc9f91c8ff79c7fcf3ead1df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling smoltcp v0.7.0 (https://github.com/sanjitako/smoltcp#d59f9289)
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling ioctl-sys v0.5.2
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling managed v0.7.2
[INFO] [stderr]    Compiling trilock v0.1.0 (https://github.com/wzhd/trilock.git#dc5b657f)
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling tun v0.4.4
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling protosocks v0.7.0 (https://github.com/sanjitako/protosocks?branch=develop#478261dd)
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-fd v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.6
[INFO] [stderr]    Compiling ustunet v0.2.0 (https://github.com/sanjitako/ustcp#9dcf6883)
[INFO] [stderr]    Compiling tun2socks_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `future::Select`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{future::Select, StreamExt};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AuthReplyRepr`, `ProtocolDecoder`, `Reply::Method`, `Reply`, `Request`, and `SocksAddr`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     AuthReplyRepr, CmdRepr, Method::NoAuth, MethodPacket, MethodRepr, MethodsRepr, ProtocolDecoder,
[INFO] [stdout]   |     ^^^^^^^^^^^^^                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     ProtocolEncoder, Rep::Success, RepPacket, RepRepr, Reply, Reply::Method, Request, SocksAddr,
[INFO] [stdout]   |                                                        ^^^^^  ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     while let Some(mut stream) = server.next().await {
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     socks5_stream.set_nodelay(true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let _ = socks5_stream.set_nodelay(true);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: smoltcp v0.7.0 (https://github.com/sanjitako/smoltcp#d59f9289)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1c20ae20a819180bb39722c65593a2af6b02a646cc9f91c8ff79c7fcf3ead1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c20ae20a819180bb39722c65593a2af6b02a646cc9f91c8ff79c7fcf3ead1df", kill_on_drop: false }`
[INFO] [stdout] 1c20ae20a819180bb39722c65593a2af6b02a646cc9f91c8ff79c7fcf3ead1df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e234015f191e5c673a898d1e30aed27fbc6d84bf5993d91fe898291cf0f3f800
[INFO] running `Command { std: "docker" "start" "-a" "e234015f191e5c673a898d1e30aed27fbc6d84bf5993d91fe898291cf0f3f800", kill_on_drop: false }`
[INFO] [stderr]    Compiling tun2socks_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `future::Select`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{future::Select, StreamExt};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AuthReplyRepr`, `ProtocolDecoder`, `Reply::Method`, `Reply`, `Request`, and `SocksAddr`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     AuthReplyRepr, CmdRepr, Method::NoAuth, MethodPacket, MethodRepr, MethodsRepr, ProtocolDecoder,
[INFO] [stdout]   |     ^^^^^^^^^^^^^                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     ProtocolEncoder, Rep::Success, RepPacket, RepRepr, Reply, Reply::Method, Request, SocksAddr,
[INFO] [stdout]   |                                                        ^^^^^  ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     while let Some(mut stream) = server.next().await {
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     socks5_stream.set_nodelay(true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let _ = socks5_stream.set_nodelay(true);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: smoltcp v0.7.0 (https://github.com/sanjitako/smoltcp#d59f9289)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e234015f191e5c673a898d1e30aed27fbc6d84bf5993d91fe898291cf0f3f800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e234015f191e5c673a898d1e30aed27fbc6d84bf5993d91fe898291cf0f3f800", kill_on_drop: false }`
[INFO] [stdout] e234015f191e5c673a898d1e30aed27fbc6d84bf5993d91fe898291cf0f3f800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7a78cddcc369d6b0b585ef2e6a395e15229a31d212fb763c7319d458f16f1a3
[INFO] running `Command { std: "docker" "start" "-a" "c7a78cddcc369d6b0b585ef2e6a395e15229a31d212fb763c7319d458f16f1a3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `future::Select`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::{future::Select, StreamExt};
[INFO] [stderr]   |               ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AuthReplyRepr`, `ProtocolDecoder`, `Reply::Method`, `Reply`, `Request`, and `SocksAddr`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     AuthReplyRepr, CmdRepr, Method::NoAuth, MethodPacket, MethodRepr, MethodsRepr, ProtocolDecoder,
[INFO] [stderr]   |     ^^^^^^^^^^^^^                                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 9 |     ProtocolEncoder, Rep::Success, RepPacket, RepRepr, Reply, Reply::Method, Request, SocksAddr,
[INFO] [stderr]   |                                                        ^^^^^  ^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     while let Some(mut stream) = server.next().await {
[INFO] [stderr]    |                    ----^^^^^^
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     socks5_stream.set_nodelay(true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let _ = socks5_stream.set_nodelay(true);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tun2socks_demo` (bin "tun2socks_demo" test) generated 4 warnings (run `cargo fix --bin "tun2socks_demo" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: smoltcp v0.7.0 (https://github.com/sanjitako/smoltcp#d59f9289)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tun2socks_demo-1730d96ffa0dfd98)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7a78cddcc369d6b0b585ef2e6a395e15229a31d212fb763c7319d458f16f1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a78cddcc369d6b0b585ef2e6a395e15229a31d212fb763c7319d458f16f1a3", kill_on_drop: false }`
[INFO] [stdout] c7a78cddcc369d6b0b585ef2e6a395e15229a31d212fb763c7319d458f16f1a3
