[INFO] cloning repository https://github.com/coldmon91/tunnelr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coldmon91/tunnelr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoldmon91%2Ftunnelr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoldmon91%2Ftunnelr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 832b7025f60a8634bb378665da63cab774496879
[INFO] checking coldmon91/tunnelr against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoldmon91%2Ftunnelr" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coldmon91/tunnelr on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coldmon91/tunnelr
[INFO] finished tweaking git repo https://github.com/coldmon91/tunnelr
[INFO] tweaked toml for git repo https://github.com/coldmon91/tunnelr written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/coldmon91/tunnelr 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8e578f2ee44e0204cac6fe22ef5753845b89036d0ab265f9f6c3c1d1e6544e0
[INFO] running `Command { std: "docker" "start" "-a" "a8e578f2ee44e0204cac6fe22ef5753845b89036d0ab265f9f6c3c1d1e6544e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e578f2ee44e0204cac6fe22ef5753845b89036d0ab265f9f6c3c1d1e6544e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e578f2ee44e0204cac6fe22ef5753845b89036d0ab265f9f6c3c1d1e6544e0", kill_on_drop: false }`
[INFO] [stdout] a8e578f2ee44e0204cac6fe22ef5753845b89036d0ab265f9f6c3c1d1e6544e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30d3edf8c4a718f9613cbe4eb9b97e7ca4f379a12c0a968aac8ef4e5cac4a28e
[INFO] running `Command { std: "docker" "start" "-a" "30d3edf8c4a718f9613cbe4eb9b97e7ca4f379a12c0a968aac8ef4e5cac4a28e", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking tlsay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadBuf`, `self`
[INFO] [stdout]  --> src/tunnel/mod.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::io::{self, ReadBuf, AsyncReadExt};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/agent/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpSocket`
[INFO] [stdout]  --> src/agent/mod.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::{net::{TcpSocket, TcpStream}, io::AsyncWriteExt, io::AsyncReadExt};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadHalf`, `WriteHalf`
[INFO] [stdout]  --> src/agent/mod.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::net::tcp::{ReadHalf, WriteHalf};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadBuf`, `self`
[INFO] [stdout]  --> src/tunnel/mod.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::io::{self, ReadBuf, AsyncReadExt};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/agent/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpSocket`
[INFO] [stdout]  --> src/agent/mod.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::{net::{TcpSocket, TcpStream}, io::AsyncWriteExt, io::AsyncReadExt};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadHalf`, `WriteHalf`
[INFO] [stdout]  --> src/agent/mod.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::net::tcp::{ReadHalf, WriteHalf};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/tunnel/mod.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (mut socket, addr) = listener.accept().await.unwrap();
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/tunnel/mod.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (mut socket, addr) = listener.accept().await.unwrap();
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tunnel/mod.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (mut socket, addr) = listener.accept().await.unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/tunnel/mod.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (mut socket, addr) = listener.accept().await.unwrap();
[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 import: `io::Read`
[INFO] [stdout]  --> src/tunnel/mod.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::{HashMap, VecDeque}, vec, io::Read};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]  --> src/tunnel/mod.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::{HashMap, VecDeque}, vec, io::Read};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tunnel_port`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let tunnel_port :u16 = args.server_port.parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tunnel_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/tunnel/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct User {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 10 |     pub session_id: u32,
[INFO] [stdout] 11 |     pub id: u32,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_read` is never used
[INFO] [stdout]   --> src/tunnel/mod.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | async fn async_read(r_half: &ReadHalf<'_>, buff: &mut Vec<u8>) -> Result<usize, std::io::Error> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MAX_USER` should have a snake case name
[INFO] [stdout]   --> src/tunnel/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let MAX_USER = 2;
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `max_user`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tunnel_port`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let tunnel_port :u16 = args.server_port.parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tunnel_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/tunnel/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct User {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 10 |     pub session_id: u32,
[INFO] [stdout] 11 |     pub id: u32,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_read` is never used
[INFO] [stdout]   --> src/tunnel/mod.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | async fn async_read(r_half: &ReadHalf<'_>, buff: &mut Vec<u8>) -> Result<usize, std::io::Error> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MAX_USER` should have a snake case name
[INFO] [stdout]   --> src/tunnel/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let MAX_USER = 2;
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `max_user`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "30d3edf8c4a718f9613cbe4eb9b97e7ca4f379a12c0a968aac8ef4e5cac4a28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d3edf8c4a718f9613cbe4eb9b97e7ca4f379a12c0a968aac8ef4e5cac4a28e", kill_on_drop: false }`
[INFO] [stdout] 30d3edf8c4a718f9613cbe4eb9b97e7ca4f379a12c0a968aac8ef4e5cac4a28e