[INFO] cloning repository https://github.com/circles-png/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/circles-png/codecrafters-redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcircles-png%2Fcodecrafters-redis-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcircles-png%2Fcodecrafters-redis-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d2ce17b96160009f2a70ed3daea4412ff686dd6
[INFO] checking circles-png/codecrafters-redis-rust against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-20
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcircles-png%2Fcodecrafters-redis-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/circles-png/codecrafters-redis-rust
[INFO] finished tweaking git repo https://github.com/circles-png/codecrafters-redis-rust
[INFO] tweaked toml for git repo https://github.com/circles-png/codecrafters-redis-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/circles-png/codecrafters-redis-rust on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/circles-png/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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.5.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded tokio-macros v2.3.0
[INFO] [stderr]   Downloaded enum-as-inner v0.6.1
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded strum_macros v0.27.1
[INFO] [stderr]   Downloaded anyhow v1.0.86
[INFO] [stderr]   Downloaded serde_derive v1.0.210
[INFO] [stderr]   Downloaded backtrace v0.3.73
[INFO] [stderr]   Downloaded serde v1.0.210
[INFO] [stderr]   Downloaded hashbrown v0.15.4
[INFO] [stderr]   Downloaded cc v1.2.30
[INFO] [stderr]   Downloaded bytes v1.6.0
[INFO] [stderr]   Downloaded thiserror v1.0.61
[INFO] [stderr]   Downloaded addr2line v0.22.0
[INFO] [stderr]   Downloaded autocfg v1.3.0
[INFO] [stderr]   Downloaded bitflags v2.6.0
[INFO] [stderr]   Downloaded chumsky v0.10.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.14
[INFO] [stderr]   Downloaded syn v2.0.69
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded gimli v0.29.0
[INFO] [stderr]   Downloaded psm v0.1.26
[INFO] [stderr]   Downloaded stacker v0.1.21
[INFO] [stderr]   Downloaded object v0.36.1
[INFO] [stderr]   Downloaded rustversion v1.0.21
[INFO] [stderr]   Downloaded regex-syntax v0.7.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.61
[INFO] [stderr]   Downloaded redox_syscall v0.5.2
[INFO] [stderr]   Downloaded strum v0.27.1
[INFO] [stderr]   Downloaded regex-automata v0.3.9
[INFO] [stderr]   Downloaded libc v0.2.174
[INFO] [stderr]   Downloaded tokio v1.38.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2facaf1a378320591bdd7aadf82d9092c7aa1d186808c79717e5cf9af85f1e42
[INFO] running `Command { std: "docker" "start" "-a" "2facaf1a378320591bdd7aadf82d9092c7aa1d186808c79717e5cf9af85f1e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2facaf1a378320591bdd7aadf82d9092c7aa1d186808c79717e5cf9af85f1e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2facaf1a378320591bdd7aadf82d9092c7aa1d186808c79717e5cf9af85f1e42", kill_on_drop: false }`
[INFO] [stdout] 2facaf1a378320591bdd7aadf82d9092c7aa1d186808c79717e5cf9af85f1e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b70cdfed7c756e04976e1d1b71a2196f4c07bf731b34c712106f228b94bd634
[INFO] running `Command { std: "docker" "start" "-a" "7b70cdfed7c756e04976e1d1b71a2196f4c07bf731b34c712106f228b94bd634", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling chumsky v0.10.1
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking codecrafters-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `double`
[INFO] [stdout]     --> src/main.rs:1378:26
[INFO] [stdout]      |
[INFO] [stdout] 1378 |             Resp::Double(double) => todo!(),
[INFO] [stdout]      |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_double`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1381:23
[INFO] [stdout]      |
[INFO] [stdout] 1381 |             Resp::Map(hash_map) => todo!(),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1382:30
[INFO] [stdout]      |
[INFO] [stdout] 1382 |             Resp::Attributes(hash_map) => todo!(),
[INFO] [stdout]      |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_set`
[INFO] [stdout]     --> src/main.rs:1383:23
[INFO] [stdout]      |
[INFO] [stdout] 1383 |             Resp::Set(hash_set) => todo!(),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resps`
[INFO] [stdout]     --> src/main.rs:1384:24
[INFO] [stdout]      |
[INFO] [stdout] 1384 |             Resp::Push(resps) => todo!(),
[INFO] [stdout]      |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_resps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entries`
[INFO] [stdout]     --> src/main.rs:1385:26
[INFO] [stdout]      |
[INFO] [stdout] 1385 |             Resp::Stream(entries) => {
[INFO] [stdout]      |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbatim_string`
[INFO] [stdout]     --> src/main.rs:1537:34
[INFO] [stdout]      |
[INFO] [stdout] 1537 |             Resp::VerbatimString(verbatim_string) => todo!(),
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbatim_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1538:23
[INFO] [stdout]      |
[INFO] [stdout] 1538 |             Resp::Map(hash_map) => todo!(),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1539:30
[INFO] [stdout]      |
[INFO] [stdout] 1539 |             Resp::Attributes(hash_map) => todo!(),
[INFO] [stdout]      |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_set`
[INFO] [stdout]     --> src/main.rs:1540:23
[INFO] [stdout]      |
[INFO] [stdout] 1540 |             Resp::Set(hash_set) => todo!(),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resps`
[INFO] [stdout]     --> src/main.rs:1541:24
[INFO] [stdout]      |
[INFO] [stdout] 1541 |             Resp::Push(resps) => todo!(),
[INFO] [stdout]      |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_resps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1542:26
[INFO] [stdout]      |
[INFO] [stdout] 1542 |             Resp::Stream(hash_map) => todo!(),
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `VerbatimString`, `Map`, `Attributes`, `Set`, and `Push` are never constructed
[INFO] [stdout]     --> src/main.rs:1357:5
[INFO] [stdout]      |
[INFO] [stdout] 1346 | enum Resp<'s> {
[INFO] [stdout]      |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 1357 |     VerbatimString(VerbatimString<'s>) = b'=',
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout] 1358 |     Map(HashMap<Resp<'s>, Resp<'s>>) = b'%',
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 1359 |     Attributes(HashMap<Resp<'s>, Resp<'s>>) = b'|',
[INFO] [stdout]      |     ^^^^^^^^^^
[INFO] [stdout] 1360 |     Set(HashSet<Resp<'s>>) = b'~',
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 1361 |     Push(Vec<Resp<'s>>) = b'>',
[INFO] [stdout]      |     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Resp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]     --> src/main.rs:1729:5
[INFO] [stdout]      |
[INFO] [stdout] 1728 | struct Rdb<'s> {
[INFO] [stdout]      |        --- field in this struct
[INFO] [stdout] 1729 |     metadata: HashMap<Cow<'s, str>, Cow<'s, str>>,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `double`
[INFO] [stdout]     --> src/main.rs:1378:26
[INFO] [stdout]      |
[INFO] [stdout] 1378 |             Resp::Double(double) => todo!(),
[INFO] [stdout]      |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_double`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1381:23
[INFO] [stdout]      |
[INFO] [stdout] 1381 |             Resp::Map(hash_map) => todo!(),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1382:30
[INFO] [stdout]      |
[INFO] [stdout] 1382 |             Resp::Attributes(hash_map) => todo!(),
[INFO] [stdout]      |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_set`
[INFO] [stdout]     --> src/main.rs:1383:23
[INFO] [stdout]      |
[INFO] [stdout] 1383 |             Resp::Set(hash_set) => todo!(),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resps`
[INFO] [stdout]     --> src/main.rs:1384:24
[INFO] [stdout]      |
[INFO] [stdout] 1384 |             Resp::Push(resps) => todo!(),
[INFO] [stdout]      |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_resps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entries`
[INFO] [stdout]     --> src/main.rs:1385:26
[INFO] [stdout]      |
[INFO] [stdout] 1385 |             Resp::Stream(entries) => {
[INFO] [stdout]      |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbatim_string`
[INFO] [stdout]     --> src/main.rs:1537:34
[INFO] [stdout]      |
[INFO] [stdout] 1537 |             Resp::VerbatimString(verbatim_string) => todo!(),
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbatim_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1538:23
[INFO] [stdout]      |
[INFO] [stdout] 1538 |             Resp::Map(hash_map) => todo!(),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1539:30
[INFO] [stdout]      |
[INFO] [stdout] 1539 |             Resp::Attributes(hash_map) => todo!(),
[INFO] [stdout]      |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_set`
[INFO] [stdout]     --> src/main.rs:1540:23
[INFO] [stdout]      |
[INFO] [stdout] 1540 |             Resp::Set(hash_set) => todo!(),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resps`
[INFO] [stdout]     --> src/main.rs:1541:24
[INFO] [stdout]      |
[INFO] [stdout] 1541 |             Resp::Push(resps) => todo!(),
[INFO] [stdout]      |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_resps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_map`
[INFO] [stdout]     --> src/main.rs:1542:26
[INFO] [stdout]      |
[INFO] [stdout] 1542 |             Resp::Stream(hash_map) => todo!(),
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `VerbatimString`, `Map`, `Attributes`, `Set`, and `Push` are never constructed
[INFO] [stdout]     --> src/main.rs:1357:5
[INFO] [stdout]      |
[INFO] [stdout] 1346 | enum Resp<'s> {
[INFO] [stdout]      |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 1357 |     VerbatimString(VerbatimString<'s>) = b'=',
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout] 1358 |     Map(HashMap<Resp<'s>, Resp<'s>>) = b'%',
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 1359 |     Attributes(HashMap<Resp<'s>, Resp<'s>>) = b'|',
[INFO] [stdout]      |     ^^^^^^^^^^
[INFO] [stdout] 1360 |     Set(HashSet<Resp<'s>>) = b'~',
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 1361 |     Push(Vec<Resp<'s>>) = b'>',
[INFO] [stdout]      |     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Resp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]     --> src/main.rs:1729:5
[INFO] [stdout]      |
[INFO] [stdout] 1728 | struct Rdb<'s> {
[INFO] [stdout]      |        --- field in this struct
[INFO] [stdout] 1729 |     metadata: HashMap<Cow<'s, str>, Cow<'s, str>>,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.16s
[INFO] running `Command { std: "docker" "inspect" "7b70cdfed7c756e04976e1d1b71a2196f4c07bf731b34c712106f228b94bd634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b70cdfed7c756e04976e1d1b71a2196f4c07bf731b34c712106f228b94bd634", kill_on_drop: false }`
[INFO] [stdout] 7b70cdfed7c756e04976e1d1b71a2196f4c07bf731b34c712106f228b94bd634
