[INFO] fetching crate rserve-rust-client 0.1.0...
[INFO] testing rserve-rust-client-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rserve-rust-client 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rserve-rust-client 0.1.0
[INFO] finished tweaking crates.io crate rserve-rust-client 0.1.0
[INFO] tweaked toml for crates.io crate rserve-rust-client 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rserve-rust-client 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56fc594dbfc22e496d11fd79b58180402269ddb6adbcd8b34330909ad5935377
[INFO] running `Command { std: "docker" "start" "-a" "56fc594dbfc22e496d11fd79b58180402269ddb6adbcd8b34330909ad5935377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56fc594dbfc22e496d11fd79b58180402269ddb6adbcd8b34330909ad5935377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fc594dbfc22e496d11fd79b58180402269ddb6adbcd8b34330909ad5935377", kill_on_drop: false }`
[INFO] [stdout] 56fc594dbfc22e496d11fd79b58180402269ddb6adbcd8b34330909ad5935377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6298fd117e0490f0c71fbf2c88a3ac95cce5f8d6ffb824605f3d5bf45aa06ef
[INFO] running `Command { std: "docker" "start" "-a" "c6298fd117e0490f0c71fbf2c88a3ac95cce5f8d6ffb824605f3d5bf45aa06ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling rserve-rust-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `shut_down` is never used
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl RserveConnection {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |   async fn shut_down(&mut self) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.69s
[INFO] running `Command { std: "docker" "inspect" "c6298fd117e0490f0c71fbf2c88a3ac95cce5f8d6ffb824605f3d5bf45aa06ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6298fd117e0490f0c71fbf2c88a3ac95cce5f8d6ffb824605f3d5bf45aa06ef", kill_on_drop: false }`
[INFO] [stdout] c6298fd117e0490f0c71fbf2c88a3ac95cce5f8d6ffb824605f3d5bf45aa06ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07becc217aa45b7f46485b6bd2d0a4a77895fe038d6637b067f63ca48e4f2766
[INFO] running `Command { std: "docker" "start" "-a" "07becc217aa45b7f46485b6bd2d0a4a77895fe038d6637b067f63ca48e4f2766", kill_on_drop: false }`
[INFO] [stderr]    Compiling rserve-rust-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `shut_down` is never used
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl RserveConnection {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |   async fn shut_down(&mut self) -> std::io::Result<()> {
[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 `shut_down` is never used
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl RserveConnection {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |   async fn shut_down(&mut self) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "07becc217aa45b7f46485b6bd2d0a4a77895fe038d6637b067f63ca48e4f2766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07becc217aa45b7f46485b6bd2d0a4a77895fe038d6637b067f63ca48e4f2766", kill_on_drop: false }`
[INFO] [stdout] 07becc217aa45b7f46485b6bd2d0a4a77895fe038d6637b067f63ca48e4f2766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d334bbb6d9711a371616c97fc62b3fd2a53e5fdfdc2d81aaccb2cf7fe0c5cf1
[INFO] running `Command { std: "docker" "start" "-a" "8d334bbb6d9711a371616c97fc62b3fd2a53e5fdfdc2d81aaccb2cf7fe0c5cf1", kill_on_drop: false }`
[INFO] [stderr] warning: method `shut_down` is never used
[INFO] [stderr]   --> src/lib.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl RserveConnection {
[INFO] [stderr]    | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 53 |   async fn shut_down(&mut self) -> std::io::Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rserve-rust-client` (lib) generated 1 warning
[INFO] [stderr] warning: `rserve-rust-client` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rserve_rust_client-43162d750fd5a49d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rserve_rust_client
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d334bbb6d9711a371616c97fc62b3fd2a53e5fdfdc2d81aaccb2cf7fe0c5cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d334bbb6d9711a371616c97fc62b3fd2a53e5fdfdc2d81aaccb2cf7fe0c5cf1", kill_on_drop: false }`
[INFO] [stdout] 8d334bbb6d9711a371616c97fc62b3fd2a53e5fdfdc2d81aaccb2cf7fe0c5cf1