[INFO] updating cached repository https://github.com/Tonghua-Li/rust-socks5
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0677f2d2737cad9495b16b283000ff0e3849bc52
[INFO] checking Tonghua-Li/rust-socks5 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonghua-Li%2Frust-socks5" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tonghua-Li/rust-socks5 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Tonghua-Li/rust-socks5
[INFO] finished tweaking git repo https://github.com/Tonghua-Li/rust-socks5
[INFO] tweaked toml for git repo https://github.com/Tonghua-Li/rust-socks5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Tonghua-Li/rust-socks5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 816cf82b4b4e652bb24ba8c24145ef8af6fa847a054c3f59d41cbd00d3e6281f
[INFO] running `"docker" "start" "-a" "816cf82b4b4e652bb24ba8c24145ef8af6fa847a054c3f59d41cbd00d3e6281f"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | /     loop{
[INFO] [stderr] 52 | |         match state{
[INFO] [stderr] 53 | |             Socks5State::Init => {
[INFO] [stderr] 54 | |                 let n = ri.peek(&mut b1).await?;
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 81 |       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/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | /     loop{
[INFO] [stderr] 52 | |         match state{
[INFO] [stderr] 53 | |             Socks5State::Init => {
[INFO] [stderr] 54 | |                 let n = ri.peek(&mut b1).await?;
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 81 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transfer`
[INFO] [stderr]   --> src/main.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 | async fn transfer(mut inbound: TcpStream, proxy_addr: String) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transfer`
[INFO] [stderr]   --> src/main.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 | async fn transfer(mut inbound: TcpStream, proxy_addr: String) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.91s
[INFO] running `"docker" "inspect" "816cf82b4b4e652bb24ba8c24145ef8af6fa847a054c3f59d41cbd00d3e6281f"`
[INFO] running `"docker" "rm" "-f" "816cf82b4b4e652bb24ba8c24145ef8af6fa847a054c3f59d41cbd00d3e6281f"`
[INFO] [stdout] 816cf82b4b4e652bb24ba8c24145ef8af6fa847a054c3f59d41cbd00d3e6281f