[INFO] cloning repository https://github.com/acsses/tcp_tunnel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acsses/tcp_tunnel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facsses%2Ftcp_tunnel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facsses%2Ftcp_tunnel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f973b3ed156e3bd1f9c36d122265676ee25ca200
[INFO] checking acsses/tcp_tunnel against master#818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc for pr-156114-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facsses%2Ftcp_tunnel" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/acsses/tcp_tunnel
[INFO] finished tweaking git repo https://github.com/acsses/tcp_tunnel
[INFO] tweaked toml for git repo https://github.com/acsses/tcp_tunnel written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/acsses/tcp_tunnel on toolchain 818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/acsses/tcp_tunnel 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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e94349883e19765b7e54db8be3ca05e74145f4f42d96741b9e327babbf0c61fa
[INFO] running `Command { std: "docker" "start" "-a" "e94349883e19765b7e54db8be3ca05e74145f4f42d96741b9e327babbf0c61fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e94349883e19765b7e54db8be3ca05e74145f4f42d96741b9e327babbf0c61fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94349883e19765b7e54db8be3ca05e74145f4f42d96741b9e327babbf0c61fa", kill_on_drop: false }`
[INFO] [stdout] e94349883e19765b7e54db8be3ca05e74145f4f42d96741b9e327babbf0c61fa
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e867d435775f1853dd76591a7fe21a3ba2ff8207644d675179d8d87e57388b66
[INFO] running `Command { std: "docker" "start" "-a" "e867d435775f1853dd76591a7fe21a3ba2ff8207644d675179d8d87e57388b66", kill_on_drop: false }`
[INFO] [stderr]     Checking tcp_tunnnel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::Write, net::{TcpListener,TcpStream}};
[INFO] [stdout]   |                                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::Write, net::{TcpListener,TcpStream}};
[INFO] [stdout]   |                                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "e867d435775f1853dd76591a7fe21a3ba2ff8207644d675179d8d87e57388b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e867d435775f1853dd76591a7fe21a3ba2ff8207644d675179d8d87e57388b66", kill_on_drop: false }`
[INFO] [stdout] e867d435775f1853dd76591a7fe21a3ba2ff8207644d675179d8d87e57388b66