[INFO] fetching crate volt-client-grpc 0.1.0...
[INFO] checking volt-client-grpc-0.1.0 against master#c290daa1e5274a52e54a0f49e31bd70192abc606 for pr-133502-23
[INFO] extracting crate volt-client-grpc 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate volt-client-grpc 0.1.0
[INFO] finished tweaking crates.io crate volt-client-grpc 0.1.0
[INFO] tweaked toml for crates.io crate volt-client-grpc 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate volt-client-grpc 0.1.0 on toolchain c290daa1e5274a52e54a0f49e31bd70192abc606
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate volt-client-grpc 0.1.0 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" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "f6219944cefc88dd30f38e322217c3ab059240d1ae03e13dbd047422e2a9308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6219944cefc88dd30f38e322217c3ab059240d1ae03e13dbd047422e2a9308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6219944cefc88dd30f38e322217c3ab059240d1ae03e13dbd047422e2a9308f" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6219944cefc88dd30f38e322217c3ab059240d1ae03e13dbd047422e2a9308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6219944cefc88dd30f38e322217c3ab059240d1ae03e13dbd047422e2a9308f" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `relay_invoke_tx` and `relay_invoke_rx` are never read
[INFO] [stdout]   --> src/volt_client.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct VoltClient {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 76 |     relay_invoke_tx: Arc<Mutex<Option<mpsc::Sender<volt::InvokeRequest>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 77 |     /// Relay invoke stream receiver
[INFO] [stdout] 78 |     relay_invoke_rx: Arc<Mutex<Option<Streaming<volt::InvokeResponse>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `establish_relay_connection` is never used
[INFO] [stdout]     --> src/volt_client.rs:1164:14
[INFO] [stdout]      |
[INFO] [stdout]   81 | impl VoltClient {
[INFO] [stdout]      | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1164 |     async fn establish_relay_connection(&self) -> Result<()> {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `relay_invoke_tx` and `relay_invoke_rx` are never read
[INFO] [stdout]   --> src/volt_client.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct VoltClient {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 76 |     relay_invoke_tx: Arc<Mutex<Option<mpsc::Sender<volt::InvokeRequest>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 77 |     /// Relay invoke stream receiver
[INFO] [stdout] 78 |     relay_invoke_rx: Arc<Mutex<Option<Streaming<volt::InvokeResponse>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `establish_relay_connection` is never used
[INFO] [stdout]     --> src/volt_client.rs:1164:14
[INFO] [stdout]      |
[INFO] [stdout]   81 | impl VoltClient {
[INFO] [stdout]      | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1164 |     async fn establish_relay_connection(&self) -> Result<()> {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "f6219944cefc88dd30f38e322217c3ab059240d1ae03e13dbd047422e2a9308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6219944cefc88dd30f38e322217c3ab059240d1ae03e13dbd047422e2a9308f", kill_on_drop: false }`
[INFO] [stdout] f6219944cefc88dd30f38e322217c3ab059240d1ae03e13dbd047422e2a9308f
