[INFO] cloning repository https://github.com/laohanlinux/canal-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laohanlinux/canal-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaohanlinux%2Fcanal-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaohanlinux%2Fcanal-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e85e7122f8d629ce4de30417182674db0874243
[INFO] testing laohanlinux/canal-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaohanlinux%2Fcanal-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laohanlinux/canal-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/laohanlinux/canal-rs
[INFO] finished tweaking git repo https://github.com/laohanlinux/canal-rs
[INFO] tweaked toml for git repo https://github.com/laohanlinux/canal-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/laohanlinux/canal-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b775027307d3fecf4cf9662f8e0d6a806b718da8c5fdcafd75f576861139ce19
[INFO] running `Command { std: "docker" "start" "-a" "b775027307d3fecf4cf9662f8e0d6a806b718da8c5fdcafd75f576861139ce19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b775027307d3fecf4cf9662f8e0d6a806b718da8c5fdcafd75f576861139ce19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b775027307d3fecf4cf9662f8e0d6a806b718da8c5fdcafd75f576861139ce19", kill_on_drop: false }`
[INFO] [stdout] b775027307d3fecf4cf9662f8e0d6a806b718da8c5fdcafd75f576861139ce19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56d4208983a5344f0de26911d6e2e86140b7febc76e6cd26314da5314b86a72b
[INFO] running `Command { std: "docker" "start" "-a" "56d4208983a5344f0de26911d6e2e86140b7febc76e6cd26314da5314b86a72b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling protobuf v2.18.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling zookeeper v0.5.9
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling canal-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/client.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{info, trace, warn};
[INFO] [stdout]   |           ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncRead`, `AsyncWriteExt`, `AsyncWrite`
[INFO] [stdout]  --> src/client.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^                ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/client.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{Bytes, BytesMut};
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sink`, `Stream`, `future`
[INFO] [stdout]   --> src/client.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::{future, Sink, SinkExt, Stream, StreamExt};
[INFO] [stdout]    |               ^^^^^^  ^^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail`, `err_msg`
[INFO] [stdout]   --> src/client.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 | use failure::{Error as FailureError, Fail, err_msg};
[INFO] [stdout]    |                                      ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_from_bytes`
[INFO] [stdout]   --> src/client.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use protobuf::{Message, parse_from_bytes};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Watch`, `ZkError`, `ZkResult`
[INFO] [stdout]  --> src/cluster.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use zookeeper::{ZkResult, ZooKeeper, Watch, WatchedEvent, Watcher, ZkError};
[INFO] [stdout]   |                 ^^^^^^^^             ^^^^^                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SinkExt`, `Sink`, `Stream`, `future`
[INFO] [stdout]  --> src/cluster.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |               ^^^^^^  ^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Fail`
[INFO] [stdout]  --> src/cluster.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use failure::{Error as FailureError, Fail};
[INFO] [stdout]   |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `self`
[INFO] [stdout]  --> src/cluster.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::oneshot::{self, Receiver, Sender};
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task`
[INFO] [stdout]  --> src/cluster.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::task;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]  --> src/cluster.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::runtime::Runtime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/cluster.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer`, `Serializer`
[INFO] [stdout]  --> src/cluster.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json::{Serializer, Deserializer};
[INFO] [stdout]   |                  ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/cluster.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/cluster.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/protobuf/EntryProtocol.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/protobuf/CanalProtocol.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude`
[INFO] [stdout]  --> src/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/client.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]  --> src/cluster.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFutureExt`
[INFO] [stdout]  --> src/cluster.rs:2:57
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_path`
[INFO] [stdout]    --> src/cluster.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 let active_path = format!("/otter/canal/destinations/{}/running", destinations.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.45s
[INFO] running `Command { std: "docker" "inspect" "56d4208983a5344f0de26911d6e2e86140b7febc76e6cd26314da5314b86a72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d4208983a5344f0de26911d6e2e86140b7febc76e6cd26314da5314b86a72b", kill_on_drop: false }`
[INFO] [stdout] 56d4208983a5344f0de26911d6e2e86140b7febc76e6cd26314da5314b86a72b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bf24af26cfcf8973ec727cd251a63de28e457d5467995e8ba31da39d2bee9e3
[INFO] running `Command { std: "docker" "start" "-a" "1bf24af26cfcf8973ec727cd251a63de28e457d5467995e8ba31da39d2bee9e3", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/client.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{info, trace, warn};
[INFO] [stdout]   |           ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling canal-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncRead`, `AsyncWriteExt`, `AsyncWrite`
[INFO] [stdout]  --> src/client.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^                ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/client.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{Bytes, BytesMut};
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sink`, `Stream`, `future`
[INFO] [stdout]   --> src/client.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::{future, Sink, SinkExt, Stream, StreamExt};
[INFO] [stdout]    |               ^^^^^^  ^^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail`, `err_msg`
[INFO] [stdout]   --> src/client.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 | use failure::{Error as FailureError, Fail, err_msg};
[INFO] [stdout]    |                                      ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_from_bytes`
[INFO] [stdout]   --> src/client.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use protobuf::{Message, parse_from_bytes};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Watch`, `ZkError`, `ZkResult`
[INFO] [stdout]  --> src/cluster.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use zookeeper::{ZkResult, ZooKeeper, Watch, WatchedEvent, Watcher, ZkError};
[INFO] [stdout]   |                 ^^^^^^^^             ^^^^^                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SinkExt`, `Sink`, `Stream`, `future`
[INFO] [stdout]  --> src/cluster.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |               ^^^^^^  ^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Fail`
[INFO] [stdout]  --> src/cluster.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use failure::{Error as FailureError, Fail};
[INFO] [stdout]   |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `self`
[INFO] [stdout]  --> src/cluster.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::oneshot::{self, Receiver, Sender};
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task`
[INFO] [stdout]  --> src/cluster.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::task;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]  --> src/cluster.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::runtime::Runtime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/cluster.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer`, `Serializer`
[INFO] [stdout]  --> src/cluster.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json::{Serializer, Deserializer};
[INFO] [stdout]   |                  ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/cluster.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/cluster.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/protobuf/EntryProtocol.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/protobuf/CanalProtocol.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude`
[INFO] [stdout]  --> src/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/client.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]  --> src/cluster.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFutureExt`
[INFO] [stdout]  --> src/cluster.rs:2:57
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_path`
[INFO] [stdout]    --> src/cluster.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 let active_path = format!("/otter/canal/destinations/{}/running", destinations.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/client.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{info, trace, warn};
[INFO] [stdout]   |           ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncRead`, `AsyncWriteExt`, `AsyncWrite`
[INFO] [stdout]  --> src/client.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^                ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/client.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{Bytes, BytesMut};
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sink`, `Stream`, `future`
[INFO] [stdout]   --> src/client.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::{future, Sink, SinkExt, Stream, StreamExt};
[INFO] [stdout]    |               ^^^^^^  ^^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail`, `err_msg`
[INFO] [stdout]   --> src/client.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 | use failure::{Error as FailureError, Fail, err_msg};
[INFO] [stdout]    |                                      ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_from_bytes`
[INFO] [stdout]   --> src/client.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use protobuf::{Message, parse_from_bytes};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Watch`, `ZkError`, `ZkResult`
[INFO] [stdout]  --> src/cluster.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use zookeeper::{ZkResult, ZooKeeper, Watch, WatchedEvent, Watcher, ZkError};
[INFO] [stdout]   |                 ^^^^^^^^             ^^^^^                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SinkExt`, `Sink`, `Stream`, `future`
[INFO] [stdout]  --> src/cluster.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |               ^^^^^^  ^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Fail`
[INFO] [stdout]  --> src/cluster.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use failure::{Error as FailureError, Fail};
[INFO] [stdout]   |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `self`
[INFO] [stdout]  --> src/cluster.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::oneshot::{self, Receiver, Sender};
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task`
[INFO] [stdout]  --> src/cluster.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::task;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]  --> src/cluster.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::runtime::Runtime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/cluster.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer`, `Serializer`
[INFO] [stdout]  --> src/cluster.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json::{Serializer, Deserializer};
[INFO] [stdout]   |                  ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/cluster.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/cluster.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]    --> src/cluster.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude::*`
[INFO] [stdout]    --> src/cluster.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     use tokio::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task`
[INFO] [stdout]    --> src/cluster.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     use tokio::task;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]    --> src/cluster.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use tokio::runtime::Runtime;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/protobuf/EntryProtocol.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/protobuf/CanalProtocol.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude`
[INFO] [stdout]  --> src/client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/client.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]  --> src/cluster.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFutureExt`
[INFO] [stdout]  --> src/cluster.rs:2:57
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_path`
[INFO] [stdout]    --> src/cluster.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 let active_path = format!("/otter/canal/destinations/{}/running", destinations.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "1bf24af26cfcf8973ec727cd251a63de28e457d5467995e8ba31da39d2bee9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf24af26cfcf8973ec727cd251a63de28e457d5467995e8ba31da39d2bee9e3", kill_on_drop: false }`
[INFO] [stdout] 1bf24af26cfcf8973ec727cd251a63de28e457d5467995e8ba31da39d2bee9e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfcfda6981cb4a12fba3b060200d95fca8ba04b9b172b5535ff9a02646847db7
[INFO] running `Command { std: "docker" "start" "-a" "dfcfda6981cb4a12fba3b060200d95fca8ba04b9b172b5535ff9a02646847db7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stderr]  --> src/client.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{info, trace, warn};
[INFO] [stderr]   |           ^^^^  ^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/client.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/client.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsyncRead`, `AsyncWriteExt`, `AsyncWrite`
[INFO] [stderr]  --> src/client.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stderr]   |                 ^^^^^^^^^                ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BytesMut`
[INFO] [stderr]   --> src/client.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 | use bytes::{Bytes, BytesMut};
[INFO] [stderr]    |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sink`, `Stream`, `future`
[INFO] [stderr]   --> src/client.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use futures::{future, Sink, SinkExt, Stream, StreamExt};
[INFO] [stderr]    |               ^^^^^^  ^^^^           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Fail`, `err_msg`
[INFO] [stderr]   --> src/client.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 | use failure::{Error as FailureError, Fail, err_msg};
[INFO] [stderr]    |                                      ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parse_from_bytes`
[INFO] [stderr]   --> src/client.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 | use protobuf::{Message, parse_from_bytes};
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Watch`, `ZkError`, `ZkResult`
[INFO] [stderr]  --> src/cluster.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use zookeeper::{ZkResult, ZooKeeper, Watch, WatchedEvent, Watcher, ZkError};
[INFO] [stderr]   |                 ^^^^^^^^             ^^^^^                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SinkExt`, `Sink`, `Stream`, `future`
[INFO] [stderr]  --> src/cluster.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stderr]   |               ^^^^^^  ^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Fail`
[INFO] [stderr]  --> src/cluster.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use failure::{Error as FailureError, Fail};
[INFO] [stderr]   |                                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, `self`
[INFO] [stderr]  --> src/cluster.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::sync::oneshot::{self, Receiver, Sender};
[INFO] [stderr]   |                            ^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::task`
[INFO] [stderr]  --> src/cluster.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio::task;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stderr]  --> src/cluster.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tokio::runtime::Runtime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/cluster.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserializer`, `Serializer`
[INFO] [stderr]  --> src/cluster.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde_json::{Serializer, Deserializer};
[INFO] [stderr]   |                  ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/cluster.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]   --> src/cluster.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::net::SocketAddr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: custom inner attributes are unstable
[INFO] [stderr]  --> src/protobuf/EntryProtocol.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![rustfmt::skip]
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(soft_unstable)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] warning: custom inner attributes are unstable
[INFO] [stderr]  --> src/protobuf/CanalProtocol.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![rustfmt::skip]
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::prelude`
[INFO] [stderr]  --> src/client.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tokio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncReadExt`
[INFO] [stderr]  --> src/client.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
[INFO] [stderr]   |                            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamExt`
[INFO] [stderr]  --> src/cluster.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stderr]   |                                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryFutureExt`
[INFO] [stderr]  --> src/cluster.rs:2:57
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::{future, Sink, SinkExt, Stream, StreamExt, TryFutureExt};
[INFO] [stderr]   |                                                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `active_path`
[INFO] [stderr]    --> src/cluster.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 let active_path = format!("/otter/canal/destinations/{}/running", destinations.clone());
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]    --> src/cluster.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     use std::time::Duration;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::prelude::*`
[INFO] [stderr]    --> src/cluster.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |     use tokio::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::task`
[INFO] [stderr]    --> src/cluster.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     use tokio::task;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stderr]    --> src/cluster.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     use tokio::runtime::Runtime;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `canal-rs` (lib) generated 25 warnings
[INFO] [stderr] warning: `canal-rs` (lib test) generated 29 warnings (25 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/canal_rs-bc2aa325bb52eb9d)
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests canal-rs
[INFO] [stdout] test cluster::test::it_works ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "dfcfda6981cb4a12fba3b060200d95fca8ba04b9b172b5535ff9a02646847db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcfda6981cb4a12fba3b060200d95fca8ba04b9b172b5535ff9a02646847db7", kill_on_drop: false }`
[INFO] [stdout] dfcfda6981cb4a12fba3b060200d95fca8ba04b9b172b5535ff9a02646847db7