[INFO] cloning repository https://github.com/LMJW/tokio-udp-protobuf-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LMJW/tokio-udp-protobuf-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLMJW%2Ftokio-udp-protobuf-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLMJW%2Ftokio-udp-protobuf-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 575b76b78b5e4cf3ad920659dbacb2daebb6e204 [INFO] checking LMJW/tokio-udp-protobuf-example against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLMJW%2Ftokio-udp-protobuf-example" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LMJW/tokio-udp-protobuf-example on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LMJW/tokio-udp-protobuf-example [INFO] finished tweaking git repo https://github.com/LMJW/tokio-udp-protobuf-example [INFO] tweaked toml for git repo https://github.com/LMJW/tokio-udp-protobuf-example written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LMJW/tokio-udp-protobuf-example 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prost-derive v0.9.0 [INFO] [stderr] Downloaded fixedbitset v0.4.1 [INFO] [stderr] Downloaded prost v0.9.0 [INFO] [stderr] Downloaded prost-types v0.9.0 [INFO] [stderr] Downloaded anyhow v1.0.52 [INFO] [stderr] Downloaded quote v1.0.14 [INFO] [stderr] Downloaded petgraph v0.6.0 [INFO] [stderr] Downloaded syn v1.0.84 [INFO] [stderr] Downloaded tokio v1.15.0 [INFO] [stderr] Downloaded prost-build v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7722c95a5f6a361ca6cc7263263f0f96ab9ac32518fd6355f126f659b2b1212 [INFO] running `Command { std: "docker" "start" "-a" "a7722c95a5f6a361ca6cc7263263f0f96ab9ac32518fd6355f126f659b2b1212", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7722c95a5f6a361ca6cc7263263f0f96ab9ac32518fd6355f126f659b2b1212", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7722c95a5f6a361ca6cc7263263f0f96ab9ac32518fd6355f126f659b2b1212", kill_on_drop: false }` [INFO] [stdout] a7722c95a5f6a361ca6cc7263263f0f96ab9ac32518fd6355f126f659b2b1212 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3afbfd54f0f77d8df0bd4ec0b6c91b3156592f1067a43966248cdf2f658cffdd [INFO] running `Command { std: "docker" "start" "-a" "3afbfd54f0f77d8df0bd4ec0b6c91b3156592f1067a43966248cdf2f658cffdd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Compiling which v4.2.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Compiling prost-build v0.9.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling prost-derive v0.9.0 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Compiling prost v0.9.0 [INFO] [stderr] Compiling prost-types v0.9.0 [INFO] [stderr] Compiling tokio-stream-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `prost::encoding::sint32::encode` [INFO] [stdout] --> bin/client.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use prost::encoding::sint32::encode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prost::encoding::sint32::encode` [INFO] [stdout] --> bin/client.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use prost::encoding::sint32::encode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> bin/client.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 47 | / loop{ [INFO] [stdout] 48 | | let mut s = vec![]; [INFO] [stdout] 49 | | input.read_buf(&mut s).await.unwrap(); [INFO] [stdout] 50 | | println!("received input from stdin: {:?}", std::str::from_utf8(&s)); [INFO] [stdout] ... | [INFO] [stdout] 60 | | sock.send(&mut buf).await?; [INFO] [stdout] 61 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 62 | [INFO] [stdout] 63 | 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] --> bin/client.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 47 | / loop{ [INFO] [stdout] 48 | | let mut s = vec![]; [INFO] [stdout] 49 | | input.read_buf(&mut s).await.unwrap(); [INFO] [stdout] 50 | | println!("received input from stdin: {:?}", std::str::from_utf8(&s)); [INFO] [stdout] ... | [INFO] [stdout] 60 | | sock.send(&mut buf).await?; [INFO] [stdout] 61 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 62 | [INFO] [stdout] 63 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` 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 5.40s [INFO] running `Command { std: "docker" "inspect" "3afbfd54f0f77d8df0bd4ec0b6c91b3156592f1067a43966248cdf2f658cffdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3afbfd54f0f77d8df0bd4ec0b6c91b3156592f1067a43966248cdf2f658cffdd", kill_on_drop: false }` [INFO] [stdout] 3afbfd54f0f77d8df0bd4ec0b6c91b3156592f1067a43966248cdf2f658cffdd