[INFO] cloning repository https://github.com/lryan599/mini-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lryan599/mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flryan599%2Fmini-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flryan599%2Fmini-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7db4ecb647a998cd8c0829fd2b273fce2b49f71
[INFO] testing lryan599/mini-redis against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flryan599%2Fmini-redis" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lryan599/mini-redis on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lryan599/mini-redis
[INFO] finished tweaking git repo https://github.com/lryan599/mini-redis
[INFO] tweaked toml for git repo https://github.com/lryan599/mini-redis written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lryan599/mini-redis 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry-aws v0.8.0
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35d354531e7c0f255a7781a7664bd9f96ba6ace9ef37f9a54a662dd111bdc4af
[INFO] running `Command { std: "docker" "start" "-a" "35d354531e7c0f255a7781a7664bd9f96ba6ace9ef37f9a54a662dd111bdc4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35d354531e7c0f255a7781a7664bd9f96ba6ace9ef37f9a54a662dd111bdc4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d354531e7c0f255a7781a7664bd9f96ba6ace9ef37f9a54a662dd111bdc4af", kill_on_drop: false }`
[INFO] [stdout] 35d354531e7c0f255a7781a7664bd9f96ba6ace9ef37f9a54a662dd111bdc4af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c7f7c6bc6ea000f364b3add713cc0d7e099ddbeef2a48cefdd5d5210cdb234a
[INFO] running `Command { std: "docker" "start" "-a" "6c7f7c6bc6ea000f364b3add713cc0d7e099ddbeef2a48cefdd5d5210cdb234a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling anstyle v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling clap_builder v4.4.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling clap v4.4.2
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling mini-redis v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/cmd/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/multi.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/exec.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/discard.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/incr.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cmd::{Parse, ParseError};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/db.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/db.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |         if let Some(v) = state.entries.remove(key) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let mut state = self.shared.state.lock().unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/multi.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Multi {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/exec.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Exec {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/discard.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Discard {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/del.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Del {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/incr.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Incr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save_state` is never used
[INFO] [stdout]    --> src/db.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Db {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     fn save_state(&self) -> crate::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save` is never used
[INFO] [stdout]    --> src/db.rs:382:8
[INFO] [stdout]     |
[INFO] [stdout] 374 | impl State {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 382 |     fn save(&self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.57s
[INFO] running `Command { std: "docker" "inspect" "6c7f7c6bc6ea000f364b3add713cc0d7e099ddbeef2a48cefdd5d5210cdb234a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7f7c6bc6ea000f364b3add713cc0d7e099ddbeef2a48cefdd5d5210cdb234a", kill_on_drop: false }`
[INFO] [stdout] 6c7f7c6bc6ea000f364b3add713cc0d7e099ddbeef2a48cefdd5d5210cdb234a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d944f4f8ef702c11d2857e0ca0779b54c7b5b1bdd96faa269439d10cdb61e12
[INFO] running `Command { std: "docker" "start" "-a" "8d944f4f8ef702c11d2857e0ca0779b54c7b5b1bdd96faa269439d10cdb61e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini-redis v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/cmd/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/multi.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/exec.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/discard.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/incr.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cmd::{Parse, ParseError};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/db.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/db.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |         if let Some(v) = state.entries.remove(key) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let mut state = self.shared.state.lock().unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/multi.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Multi {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/exec.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Exec {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/discard.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Discard {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/del.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Del {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/incr.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Incr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save_state` is never used
[INFO] [stdout]    --> src/db.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Db {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     fn save_state(&self) -> crate::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save` is never used
[INFO] [stdout]    --> src/db.rs:382:8
[INFO] [stdout]     |
[INFO] [stdout] 374 | impl State {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 382 |     fn save(&self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpenOptions`
[INFO] [stdout]  --> tests/rdb_reader.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> tests/rdb_reader.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{io, u8, vec};
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/rdb_reader.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     STRING(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decoding` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 |     STRING(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/rdb_reader.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     I8(i8),
[INFO] [stdout]    |     -- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decoding` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 |     I8(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/rdb_reader.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     I16(i16),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decoding` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 |     I16(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/rdb_reader.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     I32(i32),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decoding` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 |     I32(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> tests/rdb_reader.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct RDB {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 52 |     // 0x5245444953, "redis"
[INFO] [stdout] 53 |     magic_string: [u8; 5],
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 54 |     // 读时不检查RDB版本，但写为0x30303039
[INFO] [stdout] 55 |     version: [u8; 4],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 56 |     // metadata最多由三个FA组成
[INFO] [stdout] 57 |     metadata: Bytes,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 58 |     // 只考虑一个数据库，0xFE00
[INFO] [stdout] 59 |     db_selector: [u8; 2],
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 60 |     // 以FB开头，后接两个length-int
[INFO] [stdout] 61 |     resize_db: Bytes,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 62 |     // 以FD开头，后接一个$unsigned int代表时间戳，后面是$value-type，$string-encoded-key和$encoded-value
[INFO] [stdout] 63 |     kv_expiry: Bytes,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 64 |     // 以FC开头，后接一个$unsigned long代表时间戳，后面是$value-type，$string-encoded-key和$encoded-value
[INFO] [stdout] 65 |     kv_expiry_ms: Bytes,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 66 |     // 没有过期限制的KV，由$value-type，$string-encoded-key和$encoded-value组成
[INFO] [stdout] 67 |     kv: Bytes,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/cmd/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/multi.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/exec.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/discard.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stdout]   |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseError`
[INFO] [stdout]  --> src/cmd/incr.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cmd::{Parse, ParseError};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/db.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/db.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |         if let Some(v) = state.entries.remove(key) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let mut state = self.shared.state.lock().unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/multi.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Multi {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/exec.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Exec {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/discard.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Discard {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/del.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Del {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_frame` is never used
[INFO] [stdout]   --> src/cmd/incr.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Incr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save_state` is never used
[INFO] [stdout]    --> src/db.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Db {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     fn save_state(&self) -> crate::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save` is never used
[INFO] [stdout]    --> src/db.rs:382:8
[INFO] [stdout]     |
[INFO] [stdout] 374 | impl State {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 382 |     fn save(&self) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "8d944f4f8ef702c11d2857e0ca0779b54c7b5b1bdd96faa269439d10cdb61e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d944f4f8ef702c11d2857e0ca0779b54c7b5b1bdd96faa269439d10cdb61e12", kill_on_drop: false }`
[INFO] [stdout] 8d944f4f8ef702c11d2857e0ca0779b54c7b5b1bdd96faa269439d10cdb61e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0f45d1ba7e844bfcebfd802f413ba742c4ff08d7e76ff30df732b1533e66d5f
[INFO] running `Command { std: "docker" "start" "-a" "a0f45d1ba7e844bfcebfd802f413ba742c4ff08d7e76ff30df732b1533e66d5f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ops::Mul`
[INFO] [stderr]  --> src/cmd/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::Mul;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]  --> src/cmd/multi.rs:1:39
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stderr]   |                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]  --> src/cmd/exec.rs:1:39
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stderr]   |                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]  --> src/cmd/discard.rs:1:39
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Connection, Frame, Parse, ParseError};
[INFO] [stderr]   |                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]  --> src/cmd/incr.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cmd::{Parse, ParseError};
[INFO] [stderr]   |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/db.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/db.rs:313:21
[INFO] [stderr]     |
[INFO] [stderr] 313 |         if let Some(v) = state.entries.remove(key) {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/db.rs:322:13
[INFO] [stderr]     |
[INFO] [stderr] 322 |         let mut state = self.shared.state.lock().unwrap();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_frame` is never used
[INFO] [stderr]   --> src/cmd/multi.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Multi {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_frame` is never used
[INFO] [stderr]   --> src/cmd/exec.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Exec {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_frame` is never used
[INFO] [stderr]   --> src/cmd/discard.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Discard {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_frame` is never used
[INFO] [stderr]   --> src/cmd/del.rs:52:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Del {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_frame` is never used
[INFO] [stderr]   --> src/cmd/incr.rs:72:19
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Incr {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub(crate) fn into_frame(self) -> Frame {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `save_state` is never used
[INFO] [stderr]    --> src/db.rs:321:8
[INFO] [stderr]     |
[INFO] [stderr] 121 | impl Db {
[INFO] [stderr]     | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 321 |     fn save_state(&self) -> crate::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `save` is never used
[INFO] [stderr]    --> src/db.rs:382:8
[INFO] [stderr]     |
[INFO] [stderr] 374 | impl State {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 382 |     fn save(&self) {}
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-redis` (lib) generated 15 warnings (run `cargo fix --lib -p mini-redis` to apply 7 suggestions)
[INFO] [stderr] warning: `mini-redis` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr] warning: unused import: `OpenOptions`
[INFO] [stderr]  --> tests/rdb_reader.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |                     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vec`
[INFO] [stderr]  --> tests/rdb_reader.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{io, u8, vec};
[INFO] [stderr]   |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/rdb_reader.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     STRING(String),
[INFO] [stderr]    |     ------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Decoding` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 37 |     STRING(()),
[INFO] [stderr]    |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/rdb_reader.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     I8(i8),
[INFO] [stderr]    |     -- ^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Decoding` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 38 |     I8(()),
[INFO] [stderr]    |        ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/rdb_reader.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     I16(i16),
[INFO] [stderr]    |     --- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Decoding` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 39 |     I16(()),
[INFO] [stderr]    |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/rdb_reader.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     I32(i32),
[INFO] [stderr]    |     --- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Decoding` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 40 |     I32(()),
[INFO] [stderr]    |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> tests/rdb_reader.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | struct RDB {
[INFO] [stderr]    |        --- fields in this struct
[INFO] [stderr] 52 |     // 0x5245444953, "redis"
[INFO] [stderr] 53 |     magic_string: [u8; 5],
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 54 |     // 读时不检查RDB版本，但写为0x30303039
[INFO] [stderr] 55 |     version: [u8; 4],
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 56 |     // metadata最多由三个FA组成
[INFO] [stderr] 57 |     metadata: Bytes,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 58 |     // 只考虑一个数据库，0xFE00
[INFO] [stderr] 59 |     db_selector: [u8; 2],
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 60 |     // 以FB开头，后接两个length-int
[INFO] [stderr] 61 |     resize_db: Bytes,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 62 |     // 以FD开头，后接一个$unsigned int代表时间戳，后面是$value-type，$string-encoded-key和$encoded-value
[INFO] [stderr] 63 |     kv_expiry: Bytes,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 64 |     // 以FC开头，后接一个$unsigned long代表时间戳，后面是$value-type，$string-encoded-key和$encoded-value
[INFO] [stderr] 65 |     kv_expiry_ms: Bytes,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 66 |     // 没有过期限制的KV，由$value-type，$string-encoded-key和$encoded-value组成
[INFO] [stderr] 67 |     kv: Bytes,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-redis` (test "rdb_reader") generated 7 warnings (run `cargo fix --test "rdb_reader"` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini_redis-04d56e9a2406c337)
[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] [stderr]      Running unittests src/bin/cli.rs (/opt/rustwide/target/debug/deps/mini_redis_cli-1d6c753409c87aa1)
[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] [stderr]      Running unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/mini_redis_server-5cb4891ad7c8e215)
[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] [stderr]      Running tests/buffered_client.rs (/opt/rustwide/target/debug/deps/buffered_client-43c8599e337f0810)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test pool_key_value_get_set ... ok
[INFO] [stderr]      Running tests/client.rs (/opt/rustwide/target/debug/deps/client-2679b133d50dc961)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test ping_pong_without_message ... ok
[INFO] [stdout] test receive_message_subscribed_channel ... ok
[INFO] [stdout] test key_value_get_set ... ok
[INFO] [stdout] test receive_message_multiple_subscribed_channels ... ok
[INFO] [stdout] test ping_pong_with_message ... ok
[INFO] [stdout] test unsubscribes_from_channels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rdb_reader.rs (/opt/rustwide/target/debug/deps/rdb_reader-52cfe1b85834c6b5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::t2 ... ok
[INFO] [stdout] test tests::t1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::t1 stdout ----
[INFO] [stdout] thread 'tests::t1' panicked at tests/rdb_reader.rs:284:43:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5858dd83364a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5858dd83364a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5858dd83364a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5858dd83364a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5858dd858a23 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5858dd858a23 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5858dd830813 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5858dd833492 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5858dd834aaa - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5858dd8348b4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5858dd7ff5c9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5858dd7ff5c9 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5858dd835148 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5858dd835148 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5858dd834f0a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5858dd833b29 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5858dd834b9c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5858dd7bfa60 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5858dd7bfe06 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x5858dd7c7048 - core::result::Result<T,E>::unwrap::h45ade6646621a402
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5858dd7c7048 - rdb_reader::tests::t1::hd1353169a587f1f8
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/rdb_reader.rs:284:17
[INFO] [stdout]   21:     0x5858dd7c6fb7 - rdb_reader::tests::t1::{{closure}}::h61385c3dd01580e9
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/rdb_reader.rs:283:12
[INFO] [stdout]   22:     0x5858dd7c1e16 - core::ops::function::FnOnce::call_once::h69f358ea111b1b0d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5858dd803f8b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5858dd803f8b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x5858dd8037c7 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x5858dd8037c7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5858dd8037c7 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5858dd8037c7 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5858dd8037c7 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5858dd8037c7 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x5858dd8037c7 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x5858dd7c8aa4 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x5858dd7c8aa4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5858dd7cc16e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x5858dd7cc16e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5858dd7cc16e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5858dd7cc16e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5858dd7cc16e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5858dd7cc16e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x5858dd7cc16e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5858dd838eab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5858dd838eab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5858dd838eab - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7f934b3ddac3 - <unknown>
[INFO] [stdout]   45:     0x7f934b46ea04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::t1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test rdb_reader`
[INFO] running `Command { std: "docker" "inspect" "a0f45d1ba7e844bfcebfd802f413ba742c4ff08d7e76ff30df732b1533e66d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f45d1ba7e844bfcebfd802f413ba742c4ff08d7e76ff30df732b1533e66d5f", kill_on_drop: false }`
[INFO] [stdout] a0f45d1ba7e844bfcebfd802f413ba742c4ff08d7e76ff30df732b1533e66d5f
