[INFO] cloning repository https://github.com/jscottransom/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jscottransom/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjscottransom%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjscottransom%2Fwalrus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6739e6f4463d16066ae29b35352514cce3c6e66
[INFO] checking jscottransom/walrus against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjscottransom%2Fwalrus" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jscottransom/walrus
[INFO] finished tweaking git repo https://github.com/jscottransom/walrus
[INFO] tweaked toml for git repo https://github.com/jscottransom/walrus written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jscottransom/walrus on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jscottransom/walrus 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53c94d89904ff107554b130622090375e822329247d51c6f293098420c48076b
[INFO] running `Command { std: "docker" "start" "-a" "53c94d89904ff107554b130622090375e822329247d51c6f293098420c48076b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53c94d89904ff107554b130622090375e822329247d51c6f293098420c48076b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c94d89904ff107554b130622090375e822329247d51c6f293098420c48076b", kill_on_drop: false }`
[INFO] [stdout] 53c94d89904ff107554b130622090375e822329247d51c6f293098420c48076b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94bbcac25806ee1f1644356564357215028efae8d79bcb76a6176c226bddcbca
[INFO] running `Command { std: "docker" "start" "-a" "94bbcac25806ee1f1644356564357215028efae8d79bcb76a6176c226bddcbca", kill_on_drop: false }`
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[INFO] [stderr]     Checking futures-executor v0.3.31
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[INFO] [stderr]     Checking ron v0.7.1
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[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking config v0.13.4
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]    Compiling walrus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper-util v0.1.14
[INFO] [stderr]     Checking hyper-timeout v0.5.2
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[INFO] [stdout] warning: unused imports: `BigEndian` and `ByteOrder`
[INFO] [stdout]  --> src/log/log.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byteorder::{BigEndian, ByteOrder};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/log/log.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/log/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]  --> src/log/log.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::{self, DirEntry};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `store`
[INFO] [stdout]  --> src/log/log.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::{config, segment, store};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_trait::async_trait`
[INFO] [stdout]  --> src/cluster/election.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]  --> src/cluster/election.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]  --> src/cluster/discovery.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |               ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/cluster/state.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/cluster/state.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeRole`
[INFO] [stdout]  --> src/cluster/replication.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cluster::state::{ClusterStateManager, NodeRole};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_trait::async_trait`
[INFO] [stdout]  --> src/cluster/replication.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]  --> src/cluster/replication.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |               ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/cluster/mod.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub use election::*;
[INFO] [stdout]    |         ^^^^^^^^^^^ the name `LogEntry` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 10 | pub use replication::*;
[INFO] [stdout]    |         -------------- but the name `LogEntry` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]  --> src/server/service.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/server/service.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::{error, info, warn};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadResponse` and `WriteResponse`
[INFO] [stdout]   --> src/client/grpc.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use proto::{WriteRequest, WriteResponse, ReadRequest, ReadResponse, Record};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/client/service.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{error, info, warn};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigEndian` and `ByteOrder`
[INFO] [stdout]  --> src/log/log.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byteorder::{BigEndian, ByteOrder};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/log/log.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/log/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]  --> src/log/log.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::{self, DirEntry};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `store`
[INFO] [stdout]  --> src/log/log.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::{config, segment, store};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_trait::async_trait`
[INFO] [stdout]  --> src/cluster/election.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]  --> src/cluster/election.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]  --> src/cluster/discovery.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |               ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/cluster/state.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/cluster/state.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeRole`
[INFO] [stdout]  --> src/cluster/replication.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cluster::state::{ClusterStateManager, NodeRole};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_trait::async_trait`
[INFO] [stdout]  --> src/cluster/replication.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]  --> src/cluster/replication.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |               ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/cluster/mod.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub use election::*;
[INFO] [stdout]    |         ^^^^^^^^^^^ the name `LogEntry` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 10 | pub use replication::*;
[INFO] [stdout]    |         -------------- but the name `LogEntry` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]  --> src/server/service.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/server/service.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::{error, info, warn};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadResponse` and `WriteResponse`
[INFO] [stdout]   --> src/client/grpc.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use proto::{WriteRequest, WriteResponse, ReadRequest, ReadResponse, Record};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/client/service.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{error, info, warn};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/log/log.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |     if let Some(mut last_segment) = segments.pop() {
[INFO] [stdout]    |                 ----^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_info`
[INFO] [stdout]    --> src/cluster/election.rs:176:23
[INFO] [stdout]     |
[INFO] [stdout] 176 |         for (node_id, node_info) in &state.nodes {
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_info`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_info`
[INFO] [stdout]    --> src/cluster/election.rs:241:23
[INFO] [stdout]     |
[INFO] [stdout] 241 |         for (node_id, node_info) in &state.nodes {
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/cluster/discovery.rs:80:46
[INFO] [stdout]    |
[INFO] [stdout] 80 |     async fn ping_node(&self, node_id: &str, addr: &SocketAddr) -> Result<bool> {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/cluster/replication.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let state = self.state_manager.get_state();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/log/log.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |     if let Some(mut last_segment) = segments.pop() {
[INFO] [stdout]    |                 ----^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_info`
[INFO] [stdout]    --> src/cluster/election.rs:176:23
[INFO] [stdout]     |
[INFO] [stdout] 176 |         for (node_id, node_info) in &state.nodes {
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_info`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_info`
[INFO] [stdout]    --> src/cluster/election.rs:241:23
[INFO] [stdout]     |
[INFO] [stdout] 241 |         for (node_id, node_info) in &state.nodes {
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/cluster/discovery.rs:80:46
[INFO] [stdout]    |
[INFO] [stdout] 80 |     async fn ping_node(&self, node_id: &str, addr: &SocketAddr) -> Result<bool> {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/cluster/replication.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let state = self.state_manager.get_state();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLUSH_THRESHOLD` is never used
[INFO] [stdout]   --> src/log/store.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const FLUSH_THRESHOLD: usize = 64 * 1024; // 64 KB -> This supports frequent flushing
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNC_THRESHOLD` is never used
[INFO] [stdout]   --> src/log/store.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SYNC_THRESHOLD: usize = 256 * 1024; // 256 KB -> Reduces the volume of sys calls.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNC_INTERVAL` is never used
[INFO] [stdout]   --> src/log/store.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const SYNC_INTERVAL: Duration = Duration::from_millis(1000);
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_sync`, `bytes_buffered`, and `sync_bytes` are never read
[INFO] [stdout]   --> src/log/store.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Store {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     last_sync: Instant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     bytes_buffered: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 27 |     sync_bytes: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_heartbeat` is never read
[INFO] [stdout]   --> src/cluster/election.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct LeaderElection {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 55 |     last_heartbeat: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LeaderElection` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/client/service.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WalClientService {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 11 |     clients: Arc<RwLock<HashMap<String, WalClient>>>,
[INFO] [stdout] 12 |     config: ClusterConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:282:42
[INFO] [stdout]     |
[INFO] [stdout] 282 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 283 | |                         let method = WriteSvc(inner);
[INFO] [stdout] 284 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 285 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 295 | |                         Ok(res)
[INFO] [stdout] 296 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:325:42
[INFO] [stdout]     |
[INFO] [stdout] 325 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 326 | |                         let method = ReadSvc(inner);
[INFO] [stdout] 327 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 328 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 338 | |                         Ok(res)
[INFO] [stdout] 339 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:343:41
[INFO] [stdout]     |
[INFO] [stdout] 343 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 344 | |                         let mut response = http::Response::new(
[INFO] [stdout] 345 | |                             tonic::body::Body::default(),
[INFO] [stdout] 346 | |                         );
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |                         Ok(response)
[INFO] [stdout] 359 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:358:25
[INFO] [stdout]     |
[INFO] [stdout] 358 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLUSH_THRESHOLD` is never used
[INFO] [stdout]   --> src/log/store.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const FLUSH_THRESHOLD: usize = 64 * 1024; // 64 KB -> This supports frequent flushing
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNC_THRESHOLD` is never used
[INFO] [stdout]   --> src/log/store.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SYNC_THRESHOLD: usize = 256 * 1024; // 256 KB -> Reduces the volume of sys calls.
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNC_INTERVAL` is never used
[INFO] [stdout]   --> src/log/store.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const SYNC_INTERVAL: Duration = Duration::from_millis(1000);
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `walrus` (lib) due to 6 previous errors; 29 warnings emitted
[INFO] [stdout] warning: fields `last_sync`, `bytes_buffered`, and `sync_bytes` are never read
[INFO] [stdout]   --> src/log/store.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Store {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     last_sync: Instant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     bytes_buffered: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 27 |     sync_bytes: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `last_heartbeat` is never read
[INFO] [stdout]   --> src/cluster/election.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct LeaderElection {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 55 |     last_heartbeat: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LeaderElection` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/client/service.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct WalClientService {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 11 |     clients: Arc<RwLock<HashMap<String, WalClient>>>,
[INFO] [stdout] 12 |     config: ClusterConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:282:42
[INFO] [stdout]     |
[INFO] [stdout] 282 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 283 | |                         let method = WriteSvc(inner);
[INFO] [stdout] 284 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 285 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 295 | |                         Ok(res)
[INFO] [stdout] 296 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:325:42
[INFO] [stdout]     |
[INFO] [stdout] 325 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 326 | |                         let method = ReadSvc(inner);
[INFO] [stdout] 327 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] 328 | |                         let mut grpc = tonic::server::Grpc::new(codec)
[INFO] [stdout] ...   |
[INFO] [stdout] 338 | |                         Ok(res)
[INFO] [stdout] 339 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:343:41
[INFO] [stdout]     |
[INFO] [stdout] 343 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 344 | |                         let mut response = http::Response::new(
[INFO] [stdout] 345 | |                             tonic::body::Body::default(),
[INFO] [stdout] 346 | |                         );
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |                         Ok(response)
[INFO] [stdout] 359 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<response::Response<tonic::body::Body>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/walrus-610c7ed7305efa4d/out/log.rs:358:25
[INFO] [stdout]     |
[INFO] [stdout] 358 |                         Ok(response)
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `walrus` (lib test) due to 6 previous errors; 29 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "94bbcac25806ee1f1644356564357215028efae8d79bcb76a6176c226bddcbca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94bbcac25806ee1f1644356564357215028efae8d79bcb76a6176c226bddcbca", kill_on_drop: false }`
[INFO] [stdout] 94bbcac25806ee1f1644356564357215028efae8d79bcb76a6176c226bddcbca
