[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Ffproxy" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/UE2020/fproxy 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/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-0-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 086834c36f248091eecadecdcec252e047af44ce2e088e43842a47dc1f9931bf [INFO] running `Command { std: "docker" "start" "-a" "086834c36f248091eecadecdcec252e047af44ce2e088e43842a47dc1f9931bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "086834c36f248091eecadecdcec252e047af44ce2e088e43842a47dc1f9931bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "086834c36f248091eecadecdcec252e047af44ce2e088e43842a47dc1f9931bf", kill_on_drop: false }` [INFO] [stdout] 086834c36f248091eecadecdcec252e047af44ce2e088e43842a47dc1f9931bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f149d0f36155a83481589859454bb9c0f7f182bf16a54b27491e016e2dc78c3e [INFO] running `Command { std: "docker" "start" "-a" "f149d0f36155a83481589859454bb9c0f7f182bf16a54b27491e016e2dc78c3e", 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 syn v1.0.90 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking num_cpus v1.13.1 [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: 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: 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.17s [INFO] running `Command { std: "docker" "inspect" "f149d0f36155a83481589859454bb9c0f7f182bf16a54b27491e016e2dc78c3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f149d0f36155a83481589859454bb9c0f7f182bf16a54b27491e016e2dc78c3e", kill_on_drop: false }` [INFO] [stdout] f149d0f36155a83481589859454bb9c0f7f182bf16a54b27491e016e2dc78c3e [INFO] checking UE2020/fproxy against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Ffproxy" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/UE2020/fproxy on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37b2f7f9e34478b2473167571257007a77e339c01d7cd6b9bde565fd1d2fb273 [INFO] running `Command { std: "docker" "start" "-a" "37b2f7f9e34478b2473167571257007a77e339c01d7cd6b9bde565fd1d2fb273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37b2f7f9e34478b2473167571257007a77e339c01d7cd6b9bde565fd1d2fb273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37b2f7f9e34478b2473167571257007a77e339c01d7cd6b9bde565fd1d2fb273", kill_on_drop: false }` [INFO] [stdout] 37b2f7f9e34478b2473167571257007a77e339c01d7cd6b9bde565fd1d2fb273 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7879b04662b03090da02f7320ea2de3b9da4dfd82b05fbe896110c8b134c5a7 [INFO] running `Command { std: "docker" "start" "-a" "a7879b04662b03090da02f7320ea2de3b9da4dfd82b05fbe896110c8b134c5a7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking cfg-if v1.0.0 [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] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.45s [INFO] running `Command { std: "docker" "inspect" "a7879b04662b03090da02f7320ea2de3b9da4dfd82b05fbe896110c8b134c5a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7879b04662b03090da02f7320ea2de3b9da4dfd82b05fbe896110c8b134c5a7", kill_on_drop: false }` [INFO] [stdout] a7879b04662b03090da02f7320ea2de3b9da4dfd82b05fbe896110c8b134c5a7