[INFO] cloning repository https://github.com/Lispython/kafka-replicator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lispython/kafka-replicator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLispython%2Fkafka-replicator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLispython%2Fkafka-replicator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e22a1c2268c07b1af32938a13221f0d7fa1cb9af
[INFO] documenting Lispython/kafka-replicator against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLispython%2Fkafka-replicator" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lispython/kafka-replicator on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lispython/kafka-replicator
[INFO] finished tweaking git repo https://github.com/Lispython/kafka-replicator
[INFO] tweaked toml for git repo https://github.com/Lispython/kafka-replicator written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Lispython/kafka-replicator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3ebaecb58d19880e5a3227cb89e993d9b317362a06e5806252bce102c66f3cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3ebaecb58d19880e5a3227cb89e993d9b317362a06e5806252bce102c66f3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3ebaecb58d19880e5a3227cb89e993d9b317362a06e5806252bce102c66f3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ebaecb58d19880e5a3227cb89e993d9b317362a06e5806252bce102c66f3cd", kill_on_drop: false }`
[INFO] [stdout] a3ebaecb58d19880e5a3227cb89e993d9b317362a06e5806252bce102c66f3cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2789105cf3ab7f8879726d90990ec294a8668be5dcb616f7316668ef417fbb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2789105cf3ab7f8879726d90990ec294a8668be5dcb616f7316668ef417fbb2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]    Compiling rdkafka-sys v1.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking libz-sys v1.1.1
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking byte-unit v4.0.9
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-server v1.0.3
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking rdkafka v0.23.1
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking kafka-replicator v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting kafka-replicator v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicUsize`, `Ordering`, `VarError`, `collections::HashMap`, `self`, `time::Duration`
[INFO] [stdout]   --> src/utils.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     collections::HashMap,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     env::{self, VarError},
[INFO] [stdout]    |           ^^^^  ^^^^^^^^
[INFO] [stdout] 11 |     sync::{
[INFO] [stdout] 12 |         atomic::{AtomicUsize, Ordering},
[INFO] [stdout]    |                  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 13 |         Arc,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 14 |     },
[INFO] [stdout] 15 |     time::Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/utils.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml`
[INFO] [stdout]   --> src/utils.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use toml;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `errors`
[INFO] [stdout]   --> src/utils.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 | use super::{config, errors};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process`
[INFO] [stdout]  --> src/config.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::From, fmt, process, thread};
[INFO] [stdout]   |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/config.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `delay_for`
[INFO] [stdout]   --> src/config.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::time::{delay_for};
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowedHeaders`, `DefaultConsumerContext`, `MessageStream`, `OwnedMessage`, `ToBytes`, `groups::GroupList`, `util::Timeout`
[INFO] [stdout]   --> src/config.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |         stream_consumer::{MessageStream, StreamConsumer},
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 20 |         Consumer, ConsumerContext, DefaultConsumerContext,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |         BorrowedHeaders, BorrowedMessage, Headers, Message, OwnedHeaders, OwnedMessage, ToBytes,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^                                                   ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     util::Timeout,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     TopicPartitionList, topic_partition_list::TopicPartitionListElem, groups::GroupList, metadata::Metadata,
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `future`
[INFO] [stdout]   --> src/config.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 | use futures::{future, stream::StreamExt};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VarError`, `self`
[INFO] [stdout]   --> src/config.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |     env::{self, VarError},
[INFO] [stdout]    |           ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/errors.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntCounter`, `IntGauge`
[INFO] [stdout]  --> src/metrics.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use prometheus::{self, Encoder, IntCounter, IntGauge, IntGaugeVec, TextEncoder, Registry, Opts, GaugeVec, IntCounterVec};
[INFO] [stdout]   |                                 ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/metrics.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, io, collections::HashMap, sync::{Arc, Mutex}, marker::Send};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get`
[INFO] [stdout]  --> src/metrics.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use actix_web::{get, web, App, HttpServer, Responder, middleware};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn add(mut self, other: DeltaStorage<u64>) -> Self::Output {
[INFO] [stdout]     |            ----^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `Command { std: "docker" "inspect" "d2789105cf3ab7f8879726d90990ec294a8668be5dcb616f7316668ef417fbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2789105cf3ab7f8879726d90990ec294a8668be5dcb616f7316668ef417fbb2", kill_on_drop: false }`
[INFO] [stdout] d2789105cf3ab7f8879726d90990ec294a8668be5dcb616f7316668ef417fbb2