[INFO] fetching crate moleculer 0.3.5...
[INFO] checking moleculer-0.3.5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate moleculer 0.3.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate moleculer 0.3.5 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate moleculer 0.3.5
[INFO] finished tweaking crates.io crate moleculer 0.3.5
[INFO] tweaked toml for crates.io crate moleculer 0.3.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate moleculer 0.3.5 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "998d808957ef222902a23c44539398713f0815702fce86dad4bf5ec867f49a53", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `ip_list`, `hostname`, `client`, and `instance_id` are never read
[INFO] [stdout]    --> src/broker/registry.rs:177:16
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub(crate) struct Node {
[INFO] [stdout]     |                   ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub(crate) ip_list: Vec<String>,
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 178 |     pub(crate) hostname: String,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 179 |     pub(crate) client: Client,
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 180 |     pub(crate) instance_id: String,
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type_`, `version`, and `lang_version` are never read
[INFO] [stdout]   --> src/channels/messages.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub(crate) struct Client {
[INFO] [stdout]    |                       ------ fields in this struct
[INFO] [stdout] 12 |         #[serde(rename = "type")]
[INFO] [stdout] 13 |         type_: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |         version: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 15 |         lang_version: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ver` is never read
[INFO] [stdout]   --> src/channels/messages.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) struct HeartbeatMessage {
[INFO] [stdout]    |                       ---------------- field in this struct
[INFO] [stdout] 28 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HeartbeatMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ver` is never read
[INFO] [stdout]   --> src/channels/messages.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) struct DisconnectMessage {
[INFO] [stdout]    |                       ----------------- field in this struct
[INFO] [stdout] 35 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DisconnectMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ver`, `config`, and `metadata` are never read
[INFO] [stdout]   --> src/channels/messages.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) struct InfoMessage {
[INFO] [stdout]    |                       ----------- fields in this struct
[INFO] [stdout] 42 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |         pub(crate) config: HashMap<String, String>,
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 54 |         pub(crate) metadata: HashMap<String, String>,
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InfoMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ver` is never read
[INFO] [stdout]   --> src/channels/messages.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub(crate) struct DiscoverMessage {
[INFO] [stdout]    |                       --------------- field in this struct
[INFO] [stdout] 59 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiscoverMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ver`, `tracing`, `stream`, `seq`, and `groups` are never read
[INFO] [stdout]   --> src/channels/messages.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub(crate) struct EventMessage {
[INFO] [stdout]    |                       ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         pub(crate) tracing: Option<bool>,
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |         pub(crate) stream: Option<bool>,
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         pub(crate) seq: Option<i32>,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |         pub(crate) groups: Option<Vec<String>>,
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/channels/messages.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) struct RequestMessage {
[INFO] [stdout]     |                       -------------- fields in this struct
[INFO] [stdout] 105 |         pub(crate) id: String,
[INFO] [stdout]     |                    ^^
[INFO] [stdout] 106 |         pub(crate) sender: String,
[INFO] [stdout] 107 |         pub(crate) ver: String,
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |         pub(crate) timeout: f32,
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] 118 |         pub(crate) level: i32,
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |         pub(crate) tracing: Option<bool>,
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |         pub(crate) stream: Option<bool>,
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |         pub(crate) seq: Option<i32>,
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RequestMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ver`, `meta`, `error`, and `success` are never read
[INFO] [stdout]    --> src/channels/messages.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub(crate) struct ResponseMessage {
[INFO] [stdout]     |                       --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |         pub(crate) ver: String,
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         pub(crate) meta: Value,
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |         pub(crate) error: Option<crate::channels::messages::MoleculerError>,
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |         pub(crate) success: bool,
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResponseMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/channels/event.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) enum Error {}
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ip_list`, `hostname`, `client`, and `instance_id` are never read
[INFO] [stdout]    --> src/broker/registry.rs:177:16
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub(crate) struct Node {
[INFO] [stdout]     |                   ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub(crate) ip_list: Vec<String>,
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 178 |     pub(crate) hostname: String,
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 179 |     pub(crate) client: Client,
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 180 |     pub(crate) instance_id: String,
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type_`, `version`, and `lang_version` are never read
[INFO] [stdout]   --> src/channels/messages.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub(crate) struct Client {
[INFO] [stdout]    |                       ------ fields in this struct
[INFO] [stdout] 12 |         #[serde(rename = "type")]
[INFO] [stdout] 13 |         type_: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |         version: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 15 |         lang_version: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Client` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ver` is never read
[INFO] [stdout]   --> src/channels/messages.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) struct HeartbeatMessage {
[INFO] [stdout]    |                       ---------------- field in this struct
[INFO] [stdout] 28 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HeartbeatMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ver` is never read
[INFO] [stdout]   --> src/channels/messages.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) struct DisconnectMessage {
[INFO] [stdout]    |                       ----------------- field in this struct
[INFO] [stdout] 35 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DisconnectMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ver`, `config`, and `metadata` are never read
[INFO] [stdout]   --> src/channels/messages.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) struct InfoMessage {
[INFO] [stdout]    |                       ----------- fields in this struct
[INFO] [stdout] 42 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |         pub(crate) config: HashMap<String, String>,
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 54 |         pub(crate) metadata: HashMap<String, String>,
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InfoMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ver` is never read
[INFO] [stdout]   --> src/channels/messages.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub(crate) struct DiscoverMessage {
[INFO] [stdout]    |                       --------------- field in this struct
[INFO] [stdout] 59 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiscoverMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ver`, `tracing`, `stream`, `seq`, and `groups` are never read
[INFO] [stdout]   --> src/channels/messages.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub(crate) struct EventMessage {
[INFO] [stdout]    |                       ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |         pub(crate) ver: String,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |         pub(crate) tracing: Option<bool>,
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |         pub(crate) stream: Option<bool>,
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |         pub(crate) seq: Option<i32>,
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |         pub(crate) groups: Option<Vec<String>>,
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/channels/messages.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub(crate) struct RequestMessage {
[INFO] [stdout]     |                       -------------- fields in this struct
[INFO] [stdout] 105 |         pub(crate) id: String,
[INFO] [stdout]     |                    ^^
[INFO] [stdout] 106 |         pub(crate) sender: String,
[INFO] [stdout] 107 |         pub(crate) ver: String,
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |         pub(crate) timeout: f32,
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] 118 |         pub(crate) level: i32,
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |         pub(crate) tracing: Option<bool>,
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |         pub(crate) stream: Option<bool>,
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |         pub(crate) seq: Option<i32>,
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RequestMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ver`, `meta`, `error`, and `success` are never read
[INFO] [stdout]    --> src/channels/messages.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub(crate) struct ResponseMessage {
[INFO] [stdout]     |                       --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |         pub(crate) ver: String,
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         pub(crate) meta: Value,
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |         pub(crate) error: Option<crate::channels::messages::MoleculerError>,
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |         pub(crate) success: bool,
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResponseMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/channels/event.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) enum Error {}
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v7.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "998d808957ef222902a23c44539398713f0815702fce86dad4bf5ec867f49a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998d808957ef222902a23c44539398713f0815702fce86dad4bf5ec867f49a53", kill_on_drop: false }`
[INFO] [stdout] 998d808957ef222902a23c44539398713f0815702fce86dad4bf5ec867f49a53