[INFO] cloning repository https://github.com/whathegithub/Tcp_server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whathegithub/Tcp_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhathegithub%2FTcp_server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhathegithub%2FTcp_server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d95acc423244c6dab6e90b52f96aedfcbc869ad5 [INFO] checking whathegithub/Tcp_server against master#7bdae134cba57426d3c56b5de737a351762445e1 for pr-123794 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhathegithub%2FTcp_server" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whathegithub/Tcp_server on toolchain 7bdae134cba57426d3c56b5de737a351762445e1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7bdae134cba57426d3c56b5de737a351762445e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/whathegithub/Tcp_server [INFO] finished tweaking git repo https://github.com/whathegithub/Tcp_server [INFO] tweaked toml for git repo https://github.com/whathegithub/Tcp_server written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/whathegithub/Tcp_server 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" "+7bdae134cba57426d3c56b5de737a351762445e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+7bdae134cba57426d3c56b5de737a351762445e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ed8058c9ef436044e739547ae41e870b028bca2187f30a4b081ce973fa3e7c1 [INFO] running `Command { std: "docker" "start" "-a" "1ed8058c9ef436044e739547ae41e870b028bca2187f30a4b081ce973fa3e7c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ed8058c9ef436044e739547ae41e870b028bca2187f30a4b081ce973fa3e7c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ed8058c9ef436044e739547ae41e870b028bca2187f30a4b081ce973fa3e7c1", kill_on_drop: false }` [INFO] [stdout] 1ed8058c9ef436044e739547ae41e870b028bca2187f30a4b081ce973fa3e7c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+7bdae134cba57426d3c56b5de737a351762445e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 873a69b82e3caa5c67b2462efd4cba65d56fb4430698538dcaf5cea25e2df5e4 [INFO] running `Command { std: "docker" "start" "-a" "873a69b82e3caa5c67b2462efd4cba65d56fb4430698538dcaf5cea25e2df5e4", kill_on_drop: false }` [INFO] [stderr] Checking tcp_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handClientMsg` should have a snake case name [INFO] [stdout] --> src/main.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn handClientMsg(mut stream : TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hand_client_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handClientMsg` should have a snake case name [INFO] [stdout] --> src/main.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn handClientMsg(mut stream : TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hand_client_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] running `Command { std: "docker" "inspect" "873a69b82e3caa5c67b2462efd4cba65d56fb4430698538dcaf5cea25e2df5e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "873a69b82e3caa5c67b2462efd4cba65d56fb4430698538dcaf5cea25e2df5e4", kill_on_drop: false }` [INFO] [stdout] 873a69b82e3caa5c67b2462efd4cba65d56fb4430698538dcaf5cea25e2df5e4