[INFO] fetching crate rserve-rust-client 0.1.0...
[INFO] testing rserve-rust-client-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rserve-rust-client 0.1.0 into /workspace/builds/worker-5-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rserve-rust-client 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cff3b51d8452bbcaab6e240504153397003dc96f2baefc3507d233786b23b5ed
[INFO] running `Command { std: "docker" "start" "-a" "cff3b51d8452bbcaab6e240504153397003dc96f2baefc3507d233786b23b5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff3b51d8452bbcaab6e240504153397003dc96f2baefc3507d233786b23b5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff3b51d8452bbcaab6e240504153397003dc96f2baefc3507d233786b23b5ed", kill_on_drop: false }`
[INFO] [stdout] cff3b51d8452bbcaab6e240504153397003dc96f2baefc3507d233786b23b5ed
[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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a8bc947d67157024fb897f2f5659551808b773b3b117c8780c299eca1b9e24b
[INFO] running `Command { std: "docker" "start" "-a" "7a8bc947d67157024fb897f2f5659551808b773b3b117c8780c299eca1b9e24b", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "7a8bc947d67157024fb897f2f5659551808b773b3b117c8780c299eca1b9e24b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8bc947d67157024fb897f2f5659551808b773b3b117c8780c299eca1b9e24b", kill_on_drop: false }`
[INFO] [stdout] 7a8bc947d67157024fb897f2f5659551808b773b3b117c8780c299eca1b9e24b
[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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cff70c627003ba8d55888ee16355b73223d21a93ce9fe14544b2e87e8ca38ab
[INFO] running `Command { std: "docker" "start" "-a" "2cff70c627003ba8d55888ee16355b73223d21a93ce9fe14544b2e87e8ca38ab", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "2cff70c627003ba8d55888ee16355b73223d21a93ce9fe14544b2e87e8ca38ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cff70c627003ba8d55888ee16355b73223d21a93ce9fe14544b2e87e8ca38ab", kill_on_drop: false }`
[INFO] [stdout] 2cff70c627003ba8d55888ee16355b73223d21a93ce9fe14544b2e87e8ca38ab
[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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 150b53c22e5b97b12ec0ab0ff862de7c5df5646479e997330138d1d5e82f147e
[INFO] running `Command { std: "docker" "start" "-a" "150b53c22e5b97b12ec0ab0ff862de7c5df5646479e997330138d1d5e82f147e", 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)]` 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 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rserve_rust_client-3808e50c5831cc60)
[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] [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" "150b53c22e5b97b12ec0ab0ff862de7c5df5646479e997330138d1d5e82f147e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150b53c22e5b97b12ec0ab0ff862de7c5df5646479e997330138d1d5e82f147e", kill_on_drop: false }`
[INFO] [stdout] 150b53c22e5b97b12ec0ab0ff862de7c5df5646479e997330138d1d5e82f147e