[INFO] cloning repository https://github.com/UE2020/fproxy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UE2020/fproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Ffproxy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Ffproxy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ec50b2e38fe1c64f011ce6900721f0f1734439d [INFO] checking UE2020/fproxy against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Ffproxy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/UE2020/fproxy on toolchain fc545c6b951a304df08b327c158f92678582f435 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/UE2020/fproxy [INFO] finished tweaking git repo https://github.com/UE2020/fproxy [INFO] tweaked toml for git repo https://github.com/UE2020/fproxy written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/UE2020/fproxy 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" "+fc545c6b951a304df08b327c158f92678582f435" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 036826f9e96005f431649cf3073e7cbe1e274e365e6fa25a374e460a9a706153 [INFO] running `Command { std: "docker" "start" "-a" "036826f9e96005f431649cf3073e7cbe1e274e365e6fa25a374e460a9a706153", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "036826f9e96005f431649cf3073e7cbe1e274e365e6fa25a374e460a9a706153", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "036826f9e96005f431649cf3073e7cbe1e274e365e6fa25a374e460a9a706153", kill_on_drop: false }` [INFO] [stdout] 036826f9e96005f431649cf3073e7cbe1e274e365e6fa25a374e460a9a706153 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f49d083cfbf1e02a9c29e5b9ee7646c9f32a20fdf23aa5022c0de46b47a3df0b [INFO] running `Command { std: "docker" "start" "-a" "f49d083cfbf1e02a9c29e5b9ee7646c9f32a20fdf23aa5022c0de46b47a3df0b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking fproxy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Result` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Result, Error, Cursor}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWriteExt` [INFO] [stdout] --> src/parser.rs:2:31 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Result` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Result, Error, Cursor}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWriteExt` [INFO] [stdout] --> src/parser.rs:2:31 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut proxy_stream = TcpStream::connect(hostname).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: unreachable expression [INFO] [stdout] --> src/main.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 158 | / loop { [INFO] [stdout] 159 | | let (stream, _) = listener.accept().await?; [INFO] [stdout] 160 | | spawn(async { [INFO] [stdout] 161 | | if let Err(_) = handle_client(stream).await { [INFO] [stdout] ... | [INFO] [stdout] 164 | | }); [INFO] [stdout] 165 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 166 | [INFO] [stdout] 167 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut proxy_stream = TcpStream::connect(hostname).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: unreachable expression [INFO] [stdout] --> src/main.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 158 | / loop { [INFO] [stdout] 159 | | let (stream, _) = listener.accept().await?; [INFO] [stdout] 160 | | spawn(async { [INFO] [stdout] 161 | | if let Err(_) = handle_client(stream).await { [INFO] [stdout] ... | [INFO] [stdout] 164 | | }); [INFO] [stdout] 165 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 166 | [INFO] [stdout] 167 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.97s [INFO] running `Command { std: "docker" "inspect" "f49d083cfbf1e02a9c29e5b9ee7646c9f32a20fdf23aa5022c0de46b47a3df0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f49d083cfbf1e02a9c29e5b9ee7646c9f32a20fdf23aa5022c0de46b47a3df0b", kill_on_drop: false }` [INFO] [stdout] f49d083cfbf1e02a9c29e5b9ee7646c9f32a20fdf23aa5022c0de46b47a3df0b