[INFO] fetching crate llm-chain-milvus 0.13.0...
[INFO] checking llm-chain-milvus-0.13.0 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate llm-chain-milvus 0.13.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate llm-chain-milvus 0.13.0
[INFO] finished tweaking crates.io crate llm-chain-milvus 0.13.0
[INFO] tweaked toml for crates.io crate llm-chain-milvus 0.13.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate llm-chain-milvus 0.13.0 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate llm-chain-milvus 0.13.0 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60
[INFO] running `Command { std: "docker" "start" "ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60", 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" "ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60", 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" "ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking llm-chain-milvus v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `std::option::Option<std::string::String>`
[INFO] [stdout]    --> src/lib.rs:231:65
[INFO] [stdout]     |
[INFO] [stdout] 231 |   ...                   let _metadata: Option<String> = payload // XXX: temp fix since the
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout] 232 | | ...                                                          // var is not used rn
[INFO] [stdout] 233 | | ...                       .get(&self.metadata_payload_key)
[INFO] [stdout] 234 | | ...                       .unwrap()
[INFO] [stdout] 235 | | ...                       .clone()
[INFO] [stdout] 236 | | ...                       .into();
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 235 -                                     .clone()
[INFO] [stdout] 236 -                                     .into();
[INFO] [stdout] 235 +                                     .clone();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 231 ~                                 let _metadata: Option<String> = <std::option::Option<std::string::String> as Into<_>>::into(payload // XXX: temp fix since the
[INFO] [stdout] 232 |                                                                        // var is not used rn
[INFO] [stdout] 233 |                                     .get(&self.metadata_payload_key)
[INFO] [stdout] 234 |                                     .unwrap()
[INFO] [stdout] 235 ~                                     .clone());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::option::Option<std::string::String>`
[INFO] [stdout]    --> src/lib.rs:231:65
[INFO] [stdout]     |
[INFO] [stdout] 231 |   ...                   let _metadata: Option<String> = payload // XXX: temp fix since the
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout] 232 | | ...                                                          // var is not used rn
[INFO] [stdout] 233 | | ...                       .get(&self.metadata_payload_key)
[INFO] [stdout] 234 | | ...                       .unwrap()
[INFO] [stdout] 235 | | ...                       .clone()
[INFO] [stdout] 236 | | ...                       .into();
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 235 -                                     .clone()
[INFO] [stdout] 236 -                                     .into();
[INFO] [stdout] 235 +                                     .clone();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 231 ~                                 let _metadata: Option<String> = <std::option::Option<std::string::String> as Into<_>>::into(payload // XXX: temp fix since the
[INFO] [stdout] 232 |                                                                        // var is not used rn
[INFO] [stdout] 233 |                                     .get(&self.metadata_payload_key)
[INFO] [stdout] 234 |                                     .unwrap()
[INFO] [stdout] 235 ~                                     .clone());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `llm-chain-milvus` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `llm-chain-milvus` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60", kill_on_drop: false }`
[INFO] [stdout] ed25cc3357bb8df3d5d6634a11566c3f92b43a5f825548424f4193ffe3a36b60
