[INFO] fetching crate mvclient 0.3.0... [INFO] building mvclient-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate mvclient 0.3.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate mvclient 0.3.0 [INFO] finished tweaking crates.io crate mvclient 0.3.0 [INFO] tweaked toml for crates.io crate mvclient 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mvclient 0.3.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 173 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding reqwest v0.11.27 (available: v0.12.23) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] [stderr] Adding zstd v0.11.2+zstd.1.5.2 (available: v0.13.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0dcce8dcacfe8b2bfe77eee0fe04c9adec4a7570df3bc9bd4ce65c5b82a2074b [INFO] running `Command { std: "docker" "start" "-a" "0dcce8dcacfe8b2bfe77eee0fe04c9adec4a7570df3bc9bd4ce65c5b82a2074b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0dcce8dcacfe8b2bfe77eee0fe04c9adec4a7570df3bc9bd4ce65c5b82a2074b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dcce8dcacfe8b2bfe77eee0fe04c9adec4a7570df3bc9bd4ce65c5b82a2074b", kill_on_drop: false }` [INFO] [stdout] 0dcce8dcacfe8b2bfe77eee0fe04c9adec4a7570df3bc9bd4ce65c5b82a2074b [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e40d6946f64b7a4834b32d8dab744f17ad8673e2531b6c5c9ec4e55d691a3842 [INFO] running `Command { std: "docker" "start" "-a" "e40d6946f64b7a4834b32d8dab744f17ad8673e2531b6c5c9ec4e55d691a3842", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling zstd-safe v5.0.2+zstd.1.5.2 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling cc v1.2.39 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling rmp v0.8.14 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling zstd-sys v2.0.16+zstd.1.5.7 [INFO] [stderr] Compiling blake3 v1.8.2 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling serde_bytes v0.11.19 [INFO] [stderr] Compiling bytes v1.10.1 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling url v2.5.7 [INFO] [stderr] Compiling rmp-serde v1.3.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling http v0.2.12 [INFO] [stderr] Compiling http-body v0.4.6 [INFO] [stderr] Compiling zstd v0.11.2+zstd.1.5.2 [INFO] [stderr] Compiling tokio-util v0.7.16 [INFO] [stderr] Compiling h2 v0.3.27 [INFO] [stderr] Compiling hyper v0.14.32 [INFO] [stderr] Compiling reqwest v0.11.27 [INFO] [stderr] Compiling mvclient v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `tokio::sync::RwLockWriteGuard` that must be used [INFO] [stdout] --> src/lib.rs:434:9 [INFO] [stdout] | [INFO] [stdout] 434 | self.async_ctx.background_completion.write().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the RwLock will immediately unlock [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 434 | let _ = self.async_ctx.background_completion.write().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `tokio::sync::RwLockWriteGuard` that must be used [INFO] [stdout] --> src/lib.rs:635:9 [INFO] [stdout] | [INFO] [stdout] 635 | self.async_ctx.background_completion.write().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the RwLock will immediately unlock [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 635 | let _ = self.async_ctx.background_completion.write().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.11s [INFO] running `Command { std: "docker" "inspect" "e40d6946f64b7a4834b32d8dab744f17ad8673e2531b6c5c9ec4e55d691a3842", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e40d6946f64b7a4834b32d8dab744f17ad8673e2531b6c5c9ec4e55d691a3842", kill_on_drop: false }` [INFO] [stdout] e40d6946f64b7a4834b32d8dab744f17ad8673e2531b6c5c9ec4e55d691a3842 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e314de203e6602b4ee39a0ee1930d5fbe238cef36e438023a9bbb2929905697 [INFO] running `Command { std: "docker" "start" "-a" "5e314de203e6602b4ee39a0ee1930d5fbe238cef36e438023a9bbb2929905697", kill_on_drop: false }` [INFO] [stdout] warning: unused `tokio::sync::RwLockWriteGuard` that must be used [INFO] [stdout] --> src/lib.rs:434:9 [INFO] [stdout] | [INFO] [stdout] 434 | self.async_ctx.background_completion.write().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the RwLock will immediately unlock [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 434 | let _ = self.async_ctx.background_completion.write().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `tokio::sync::RwLockWriteGuard` that must be used [INFO] [stdout] --> src/lib.rs:635:9 [INFO] [stdout] | [INFO] [stdout] 635 | self.async_ctx.background_completion.write().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the RwLock will immediately unlock [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 635 | let _ = self.async_ctx.background_completion.write().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mvclient v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `tokio::sync::RwLockWriteGuard` that must be used [INFO] [stdout] --> src/lib.rs:434:9 [INFO] [stdout] | [INFO] [stdout] 434 | self.async_ctx.background_completion.write().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the RwLock will immediately unlock [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 434 | let _ = self.async_ctx.background_completion.write().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `tokio::sync::RwLockWriteGuard` that must be used [INFO] [stdout] --> src/lib.rs:635:9 [INFO] [stdout] | [INFO] [stdout] 635 | self.async_ctx.background_completion.write().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the RwLock will immediately unlock [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 635 | let _ = self.async_ctx.background_completion.write().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `Command { std: "docker" "inspect" "5e314de203e6602b4ee39a0ee1930d5fbe238cef36e438023a9bbb2929905697", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e314de203e6602b4ee39a0ee1930d5fbe238cef36e438023a9bbb2929905697", kill_on_drop: false }` [INFO] [stdout] 5e314de203e6602b4ee39a0ee1930d5fbe238cef36e438023a9bbb2929905697