[INFO] fetching crate nacos-naming-client 0.1.16...
[INFO] checking nacos-naming-client-0.1.16 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate nacos-naming-client 0.1.16 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nacos-naming-client 0.1.16 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nacos-naming-client 0.1.16
[INFO] finished tweaking crates.io crate nacos-naming-client 0.1.16
[INFO] tweaked toml for crates.io crate nacos-naming-client 0.1.16 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 172 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
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[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded local_ipaddress v0.1.3
[INFO] [stderr]   Downloaded nacos-sdk-core v0.1.0
[INFO] [stderr]   Downloaded hyper-tls v0.6.0
[INFO] [stderr]   Downloaded h2 v0.4.4
[INFO] [stderr]   Downloaded winreg v0.52.0
[INFO] [stderr]   Downloaded prometheus v0.13.3
[INFO] [stderr]   Downloaded reqwest v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50869c639d1abee9e29e1ce83058d952c4652f095e2b6785bf147521f4ec1831
[INFO] running `Command { std: "docker" "start" "-a" "50869c639d1abee9e29e1ce83058d952c4652f095e2b6785bf147521f4ec1831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50869c639d1abee9e29e1ce83058d952c4652f095e2b6785bf147521f4ec1831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50869c639d1abee9e29e1ce83058d952c4652f095e2b6785bf147521f4ec1831", kill_on_drop: false }`
[INFO] [stdout] 50869c639d1abee9e29e1ce83058d952c4652f095e2b6785bf147521f4ec1831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468fb45929cb3a6ee0fa280d968891b1e4f637c587678ea7da02af0feacb77d7
[INFO] running `Command { std: "docker" "start" "-a" "468fb45929cb3a6ee0fa280d968891b1e4f637c587678ea7da02af0feacb77d7", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking tracing v0.1.40
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[INFO] [stderr]     Checking nacos-naming-client v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `count` and `doms` are never read
[INFO] [stdout]    --> src/data/model.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct ServiceList {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 112 |     count: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 113 |     doms: Vec<String>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ServiceList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `update_when_empty` is never read
[INFO] [stdout]   --> src/data/service_holder.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ServiceHolder {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     update_when_empty: bool
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServiceHolder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `count` and `doms` are never read
[INFO] [stdout]    --> src/data/model.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct ServiceList {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 112 |     count: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 113 |     doms: Vec<String>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ServiceList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `update_when_empty` is never read
[INFO] [stdout]   --> src/data/service_holder.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ServiceHolder {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     update_when_empty: bool
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServiceHolder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.14s
[INFO] running `Command { std: "docker" "inspect" "468fb45929cb3a6ee0fa280d968891b1e4f637c587678ea7da02af0feacb77d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468fb45929cb3a6ee0fa280d968891b1e4f637c587678ea7da02af0feacb77d7", kill_on_drop: false }`
[INFO] [stdout] 468fb45929cb3a6ee0fa280d968891b1e4f637c587678ea7da02af0feacb77d7