[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] checking sanjitako/tun2socks_demo against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanjitako%2Ftun2socks_demo" "/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/sanjitako/tun2socks_demo on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-3/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: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 984120ac7b6c68b7cc077dd7bfea379fe7a3e3ee376975d7e8ab261097bef096
[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" "984120ac7b6c68b7cc077dd7bfea379fe7a3e3ee376975d7e8ab261097bef096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984120ac7b6c68b7cc077dd7bfea379fe7a3e3ee376975d7e8ab261097bef096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984120ac7b6c68b7cc077dd7bfea379fe7a3e3ee376975d7e8ab261097bef096", kill_on_drop: false }`
[INFO] [stdout] 984120ac7b6c68b7cc077dd7bfea379fe7a3e3ee376975d7e8ab261097bef096
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e600d372c011d3db81939fe47c8b74cca8aafd1bd5ee2d99230cd457c6e2c2b5
[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" "e600d372c011d3db81939fe47c8b74cca8aafd1bd5ee2d99230cd457c6e2c2b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking trilock v0.1.0 (https://github.com/wzhd/trilock.git#dc5b657f)
[INFO] [stderr]     Checking managed v0.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking smoltcp v0.7.0 (https://github.com/sanjitako/smoltcp#d59f9289)
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking tun v0.4.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking protosocks v0.7.0 (https://github.com/sanjitako/protosocks?branch=develop#478261dd)
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-fd v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking ustunet v0.2.0 (https://github.com/sanjitako/ustcp#9dcf6883)
[INFO] [stderr]     Checking 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`, `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: 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`, `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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.34s
[INFO] running `Command { std: "docker" "inspect" "e600d372c011d3db81939fe47c8b74cca8aafd1bd5ee2d99230cd457c6e2c2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e600d372c011d3db81939fe47c8b74cca8aafd1bd5ee2d99230cd457c6e2c2b5", kill_on_drop: false }`
[INFO] [stdout] e600d372c011d3db81939fe47c8b74cca8aafd1bd5ee2d99230cd457c6e2c2b5