[INFO] cloning repository https://github.com/akishichinibu/codecrafters-redis-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akishichinibu/codecrafters-redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakishichinibu%2Fcodecrafters-redis-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakishichinibu%2Fcodecrafters-redis-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecb20da00c4470cfada472095b956f875ff02600
[INFO] checking akishichinibu/codecrafters-redis-rust 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%2Fakishichinibu%2Fcodecrafters-redis-rust" "/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/akishichinibu/codecrafters-redis-rust
[INFO] finished tweaking git repo https://github.com/akishichinibu/codecrafters-redis-rust
[INFO] tweaked toml for git repo https://github.com/akishichinibu/codecrafters-redis-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/akishichinibu/codecrafters-redis-rust 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/akishichinibu/codecrafters-redis-rust 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] 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] 5fc7d1f08399ef4f0dbcba27d3f37482784308d5a2995e1ade81517f9e795a59
[INFO] running `Command { std: "docker" "start" "-a" "5fc7d1f08399ef4f0dbcba27d3f37482784308d5a2995e1ade81517f9e795a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc7d1f08399ef4f0dbcba27d3f37482784308d5a2995e1ade81517f9e795a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc7d1f08399ef4f0dbcba27d3f37482784308d5a2995e1ade81517f9e795a59", kill_on_drop: false }`
[INFO] [stdout] 5fc7d1f08399ef4f0dbcba27d3f37482784308d5a2995e1ade81517f9e795a59
[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] b25d86e22d2ac4b19b07c51fc242f6cc796116512dd1cb1a27fe5d8ac2a5429e
[INFO] running `Command { std: "docker" "start" "-a" "b25d86e22d2ac4b19b07c51fc242f6cc796116512dd1cb1a27fe5d8ac2a5429e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling anyhow v1.0.59
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.9.5
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ctrlc v3.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking redis-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]   --> src/replica.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::{spawn, task};
[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: `spawn`
[INFO] [stdout]   --> src/replica.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::{spawn, task};
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/replica.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | /     loop {
[INFO] [stdout] 105 | |         let (command, length) = match reader.read_command(&mut parser).await {
[INFO] [stdout] 106 | |             Ok(command) => command,
[INFO] [stdout] 107 | |             Err(e) => return Err(e),
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         offset += length;
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 140 |       println!("[replica progate] progation done");
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/replica.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | /     loop {
[INFO] [stdout] 105 | |         let (command, length) = match reader.read_command(&mut parser).await {
[INFO] [stdout] 106 | |             Ok(command) => command,
[INFO] [stdout] 107 | |             Err(e) => return Err(e),
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         offset += length;
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 140 |       println!("[replica progate] progation done");
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/command.rs:196:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 n => {
[INFO] [stdout]     |                 - matches any value
[INFO] [stdout] ...
[INFO] [stdout] 196 |                 n => return Err(RedisCommandError::DismatchedArgsNum(2, n)),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/command.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 n => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/command.rs:196:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 n => {
[INFO] [stdout]     |                 - matches any value
[INFO] [stdout] ...
[INFO] [stdout] 196 |                 n => return Err(RedisCommandError::DismatchedArgsNum(2, n)),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/command.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 n => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/parser.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 414 |         let (values, t) = parser.parse().unwrap();
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/parser.rs:417:22
[INFO] [stdout]     |
[INFO] [stdout] 417 |         let (values, t) = parser.parse().unwrap();
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/parser.rs:420:22
[INFO] [stdout]     |
[INFO] [stdout] 420 |         let (values, t) = parser.parse().unwrap();
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/parser.rs:445:22
[INFO] [stdout]     |
[INFO] [stdout] 445 |         let (values, t) = parser.parse().unwrap();
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/parser.rs:449:22
[INFO] [stdout]     |
[INFO] [stdout] 449 |         let (values, t) = parser.parse().unwrap();
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/parser.rs:473:13
[INFO] [stdout]     |
[INFO] [stdout] 473 |         let input = "*0\r\n".as_bytes();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/parser.rs:485:21
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let (value, t) = parser.parse().unwrap();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis`
[INFO] [stdout]   --> src/replica.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     redis: Redis,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_redis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis`
[INFO] [stdout]   --> src/replica.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     redis: Redis,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_redis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_replica`
[INFO] [stdout]   --> src/worker.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let is_replica = {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_replica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_replica`
[INFO] [stdout]   --> src/worker.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let is_replica = {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_replica`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/redis.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     #[structopt(long, default_value = "127.0.0.1")]
[INFO] [stdout] 12 | |     pub host: String,
[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: Result<String, Infallible>
[INFO] [stdout]   --> src/redis.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     #[structopt(long)]
[INFO] [stdout] 16 | |     pub replicaof: Option<Vec<String>>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/redis.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     #[structopt(long)]
[INFO] [stdout] 18 | |     pub dir: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/redis.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(long, default_value = "dump.rdb")]
[INFO] [stdout] 20 | |     pub dbfilename: String,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/redis.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     #[structopt(long, default_value = "127.0.0.1")]
[INFO] [stdout] 12 | |     pub host: String,
[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: Result<String, Infallible>
[INFO] [stdout]   --> src/redis.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     #[structopt(long)]
[INFO] [stdout] 16 | |     pub replicaof: Option<Vec<String>>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/redis.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     #[structopt(long)]
[INFO] [stdout] 18 | |     pub dir: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/redis.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(long, default_value = "dump.rdb")]
[INFO] [stdout] 20 | |     pub dbfilename: String,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis-starter-rust` (bin "redis-starter-rust" test) due to 4 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `redis-starter-rust` (bin "redis-starter-rust") due to 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b25d86e22d2ac4b19b07c51fc242f6cc796116512dd1cb1a27fe5d8ac2a5429e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25d86e22d2ac4b19b07c51fc242f6cc796116512dd1cb1a27fe5d8ac2a5429e", kill_on_drop: false }`
[INFO] [stdout] b25d86e22d2ac4b19b07c51fc242f6cc796116512dd1cb1a27fe5d8ac2a5429e