[INFO] cloning repository https://github.com/eemmtt/kv-store
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eemmtt/kv-store" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feemmtt%2Fkv-store", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feemmtt%2Fkv-store'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 996622175b4abf7950a5d4370aacb8ee2a06eb29
[INFO] checking eemmtt/kv-store against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feemmtt%2Fkv-store" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eemmtt/kv-store
[INFO] finished tweaking git repo https://github.com/eemmtt/kv-store
[INFO] tweaked toml for git repo https://github.com/eemmtt/kv-store written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eemmtt/kv-store on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eemmtt/kv-store 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa
[INFO] running `Command { std: "docker" "start" "1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking kv-shared v0.1.0 (/opt/rustwide/workdir/crates/kv-shared)
[INFO] [stdout] warning: unused imports: `path::Path` and `str::from_utf8`
[INFO] [stdout]  --> crates/kv-shared/src/lib.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::{fmt, os::fd::{AsRawFd, OwnedFd}, path::Path, str::from_utf8, time::{Duration, SystemTime, UNIX_EPOCH}};
[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: `UnixAddr`
[INFO] [stdout]  --> crates/kv-shared/src/lib.rs:4:86
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use nix::{errno::Errno, libc::{pthread_mutex_t, size_t}, sys::socket::{MsgFlags, UnixAddr, recv, send}};
[INFO] [stdout]   |                                                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `socket::sockopt::ReuseAddr`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:468:80
[INFO] [stdout]     |
[INFO] [stdout] 468 |     use nix::{errno::Errno, fcntl::{OFlag, open}, libc::pthread_mutex_t, sys::{socket::sockopt::ReuseAddr, stat::{Mode, lstat}}, un...
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KVValue`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:469:62
[INFO] [stdout]     |
[INFO] [stdout] 469 |     use crate::{io::{ENTRY_SIZE, KEY_SIZE, KVKey, KVLogItem, KVValue, NANOS_SIZE, SEC_SIZE}, semaphores::{kv_mutex_init, kv_mutex_l...
[INFO] [stdout]     |                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:666:31
[INFO] [stdout]     |
[INFO] [stdout] 666 |     use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]     |                               ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `path::Path` and `str::from_utf8`
[INFO] [stdout]  --> crates/kv-shared/src/lib.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::{fmt, os::fd::{AsRawFd, OwnedFd}, path::Path, str::from_utf8, time::{Duration, SystemTime, UNIX_EPOCH}};
[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: `UnixAddr`
[INFO] [stdout]  --> crates/kv-shared/src/lib.rs:4:86
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use nix::{errno::Errno, libc::{pthread_mutex_t, size_t}, sys::socket::{MsgFlags, UnixAddr, recv, send}};
[INFO] [stdout]   |                                                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `socket::sockopt::ReuseAddr`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:468:80
[INFO] [stdout]     |
[INFO] [stdout] 468 |     use nix::{errno::Errno, fcntl::{OFlag, open}, libc::pthread_mutex_t, sys::{socket::sockopt::ReuseAddr, stat::{Mode, lstat}}, un...
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KVValue`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:469:62
[INFO] [stdout]     |
[INFO] [stdout] 469 |     use crate::{io::{ENTRY_SIZE, KEY_SIZE, KVKey, KVLogItem, KVValue, NANOS_SIZE, SEC_SIZE}, semaphores::{kv_mutex_init, kv_mutex_l...
[INFO] [stdout]     |                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:666:31
[INFO] [stdout]     |
[INFO] [stdout] 666 |     use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]     |                               ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_val`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:693:35
[INFO] [stdout]     |
[INFO] [stdout] 693 |         fn heap_insert(&mut self, new_val: Duration, parent: Option<HeapNode>, child: Option<HeapNode>){
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_node_index`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:695:17
[INFO] [stdout]     |
[INFO] [stdout] 695 |             let new_node_index =  self.nodes.len();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `heap_insert` is never used
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:693:12
[INFO] [stdout]     |
[INFO] [stdout] 687 |     impl MaxTimeHeap {
[INFO] [stdout]     |     ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 693 |         fn heap_insert(&mut self, new_val: Duration, parent: Option<HeapNode>, child: Option<HeapNode>){
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_val`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:693:35
[INFO] [stdout]     |
[INFO] [stdout] 693 |         fn heap_insert(&mut self, new_val: Duration, parent: Option<HeapNode>, child: Option<HeapNode>){
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_node_index`
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:695:17
[INFO] [stdout]     |
[INFO] [stdout] 695 |             let new_node_index =  self.nodes.len();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking kv-server v0.1.0 (/opt/rustwide/workdir/crates/kv-server)
[INFO] [stdout] warning: method `heap_insert` is never used
[INFO] [stdout]    --> crates/kv-shared/src/lib.rs:693:12
[INFO] [stdout]     |
[INFO] [stdout] 687 |     impl MaxTimeHeap {
[INFO] [stdout]     |     ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 693 |         fn heap_insert(&mut self, new_val: Duration, parent: Option<HeapNode>, child: Option<HeapNode>){
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking kv-client v0.1.0 (/opt/rustwide/workdir/crates/kv-client)
[INFO] [stdout] warning: unused imports: `AddressFamily`, `SockType`, and `libc::EINVAL`
[INFO] [stdout]  --> crates/kv-client/src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::{libc::EINVAL, sys::socket::{AddressFamily, SockFlag, SockType, UnixAddr, connect, socket}};
[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: `time::Duration`
[INFO] [stdout]  --> crates/kv-client/src/lib.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{os::fd::AsRawFd, time::Duration};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `pthread_mutex_destroy` and `pthread_mutex_t`
[INFO] [stdout]  --> crates/kv-server/src/lib.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::{errno::Errno, fcntl::{OFlag, open}, libc::{pthread_mutex_destroy, pthread_mutex_t}, sys::{socket::{AddressFamily, Backlog, ...
[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 imports: `pthread_mutex_destroy` and `pthread_mutex_t`
[INFO] [stdout]  --> crates/kv-server/src/lib.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::{errno::Errno, fcntl::{OFlag, open}, libc::{pthread_mutex_destroy, pthread_mutex_t}, sys::{socket::{AddressFamily, Backlog, ...
[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 imports: `AddressFamily`, `SockType`, and `libc::EINVAL`
[INFO] [stdout]  --> crates/kv-client/src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::{libc::EINVAL, sys::socket::{AddressFamily, SockFlag, SockType, UnixAddr, connect, socket}};
[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: `time::Duration`
[INFO] [stdout]  --> crates/kv-client/src/lib.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{os::fd::AsRawFd, time::Duration};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> crates/kv-server/src/lib.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 387 | /         loop {
[INFO] [stdout] 388 | |             let fd = match data.rbuf.get(){
[INFO] [stdout] 389 | |                 Some(fd) => fd,
[INFO] [stdout] 390 | |                 None => {
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |             handle_connection(fd, data.log,data.id).expect("oops at handle_connection");
[INFO] [stdout] 395 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 396 |       
[INFO] [stdout] 397 |           std::ptr::null_mut()
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> crates/kv-server/src/lib.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 387 | /         loop {
[INFO] [stdout] 388 | |             let fd = match data.rbuf.get(){
[INFO] [stdout] 389 | |                 Some(fd) => fd,
[INFO] [stdout] 390 | |                 None => {
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |             handle_connection(fd, data.log,data.id).expect("oops at handle_connection");
[INFO] [stdout] 395 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 396 |       
[INFO] [stdout] 397 |           std::ptr::null_mut()
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> crates/kv-server/src/lib.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for (i, (key, item)) in store.index.map.iter().enumerate(){
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> crates/kv-server/src/lib.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for (i, (key, item)) in store.index.map.iter().enumerate(){
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/kv-server/src/lib.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for (i, (key, item)) in store.index.map.iter().enumerate(){
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> crates/kv-server/src/lib.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for (i, (key, item)) in store.index.map.iter().enumerate(){
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_offset`
[INFO] [stdout]   --> crates/kv-server/src/lib.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let new_offset = nix::unistd::lseek(&new_log_fd, 0, Whence::SeekEnd).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_offset`
[INFO] [stdout]   --> crates/kv-server/src/lib.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let new_offset = nix::unistd::lseek(&new_log_fd, 0, Whence::SeekEnd).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnixAddr`
[INFO] [stdout]  --> crates/kv-client/src/bin/kvcli.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nix::sys::socket::{UnixAddr};
[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::str::from_utf8`
[INFO] [stdout]  --> crates/kv-client/src/bin/kvcli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnixAddr`
[INFO] [stdout]  --> crates/kv-client/src/bin/kvcli.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nix::sys::socket::{UnixAddr};
[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::str::from_utf8`
[INFO] [stdout]  --> crates/kv-client/src/bin/kvcli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> crates/kv-client/src/bin/kvcli.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> crates/kv-client/src/bin/kvcli.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KVKey`
[INFO] [stdout]  --> crates/kv-server/src/main.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use kv_shared::io::{KVKey, KVStore};
[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: `KVKey`
[INFO] [stdout]  --> crates/kv-server/src/main.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use kv_shared::io::{KVKey, KVStore};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa", kill_on_drop: false }`
[INFO] [stdout] 1a37f9bcc0fe9b68741545c21b088dc13298a5402594d0ce9ce4295e9b5580fa
