[INFO] cloning repository https://github.com/peacewalker122/slow-database
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peacewalker122/slow-database" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeacewalker122%2Fslow-database", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeacewalker122%2Fslow-database'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f2fa5427b2e51c3aba0b20155453c1e08a4b87f
[INFO] testing peacewalker122/slow-database against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeacewalker122%2Fslow-database" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/peacewalker122/slow-database
[INFO] finished tweaking git repo https://github.com/peacewalker122/slow-database
[INFO] tweaked toml for git repo https://github.com/peacewalker122/slow-database written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/peacewalker122/slow-database on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/peacewalker122/slow-database 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 0513db5b8713a590756df9e6bc3f87898e8b19e839ef490f4f463b4eee9f97c4
[INFO] running `Command { std: "docker" "start" "-a" "0513db5b8713a590756df9e6bc3f87898e8b19e839ef490f4f463b4eee9f97c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0513db5b8713a590756df9e6bc3f87898e8b19e839ef490f4f463b4eee9f97c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0513db5b8713a590756df9e6bc3f87898e8b19e839ef490f4f463b4eee9f97c4", kill_on_drop: false }`
[INFO] [stdout] 0513db5b8713a590756df9e6bc3f87898e8b19e839ef490f4f463b4eee9f97c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85dadbae63e28e1c6e17efa8720ef22eb58768f8c83257a538db8fb4ec8ad3f1
[INFO] running `Command { std: "docker" "start" "-a" "85dadbae63e28e1c6e17efa8720ef22eb58768f8c83257a538db8fb4ec8ad3f1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `io::Cursor`
[INFO] [stdout]  --> src/storage/compactionmanager/compaction.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{io::Cursor, path::PathBuf, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `index::SparseIndexEntry` and `self`
[INFO] [stdout]   --> src/storage/compactionmanager/compaction.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bloom::{self, BloomFilterWrapper},
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 15 |     index::SparseIndexEntry,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::DBError`
[INFO] [stdout]  --> src/storage/footer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     error::DBError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::footer::SSTableFooter`
[INFO] [stdout]  --> src/storage/index.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::footer::SSTableFooter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `api::Store` and `storage::MockStore`
[INFO] [stdout]  --> src/storage/recovermanager/raft.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     storage::{api::Store, storage::MockStore},
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cursor` and `borrow::Cow`
[INFO] [stdout]  --> src/storage/writemanager/block.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{Cursor, Read, Seek, SeekFrom},
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Record` and `error::DBError`
[INFO] [stdout]   --> src/storage/writemanager/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     error::DBError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |         record::{MemtableRecord, Record},
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::RwLock`
[INFO] [stdout]   --> src/storage/writemanager/write.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::{io::AsyncWriteExt, sync::RwLock};
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let mut wal_file = TokioFile::open(file_path).await?;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Write`
[INFO] [stdout]   --> src/storage/recovermanager/wal.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     io::Write,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_bits`
[INFO] [stdout]    --> src/storage/bloom.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let num_bits = u64::from_be_bytes(buf) as usize;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reserved_segment_id`
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:241:21
[INFO] [stdout]     |
[INFO] [stdout] 241 |         if let Some(reserved_segment_id) = self.reserved_wal.lock().await.pop_front() {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reserved_segment_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sstable_dir`
[INFO] [stdout]    --> src/storage/kv2.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let sstable_dir = sstable_dir.clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sstable_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequence_number`
[INFO] [stdout]   --> src/storage/readmanager/read.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         sequence_number: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequence_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checkpoint_lsn`
[INFO] [stdout]    --> src/storage/manifest_codec.rs:217:22
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 let (checkpoint_lsn, active_wal_segment) = decode_checkpoint_payload(payload)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkpoint_lsn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segment_id`
[INFO] [stdout]   --> src/storage/recovermanager/raft.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |     async fn mark_reserved(&self, segment_id: u64) -> Result<(), std::io::Error> {
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segment_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_type`
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:322:17
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let record_type = match record_type_buf[0] {
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `record_offset` is never read
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |             record_offset = WAL_HEADER_SIZE; // start reading records right after the header if no checkpoint offset is set
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `footer`
[INFO] [stdout]    --> src/storage/sstable_codec.rs:158:14
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let (footer, index, bloom) = Self::deserialize_sections(reader).await?;
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_block_payload_for_key` is never used
[INFO] [stdout]    --> src/storage/readmanager/read.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn scan_block_payload_for_key(payload: &[u8], target_key: &[u8]) -> Option<MemtableRecord> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogCommand` is never constructed
[INFO] [stdout]  --> src/storage/recovermanager/log_store.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LogCommand {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `serialize`, and `deserialize` are never used
[INFO] [stdout]   --> src/storage/recovermanager/log_store.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl LogCommand {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(record_type: RecordType, key: Vec<u8>, value: Vec<u8>, lsn: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn serialize(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn deserialize(data: &[u8]) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogPosition` is never constructed
[INFO] [stdout]   --> src/storage/recovermanager/log_store.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct LogPosition {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LogStore` is never used
[INFO] [stdout]   --> src/storage/recovermanager/log_store.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub trait LogStore: Send + Sync {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RaftRecoverManager` is never constructed
[INFO] [stdout]  --> src/storage/recovermanager/raft.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RaftRecoverManager {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/recovermanager/raft.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RaftRecoverManager {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(raft_storage: tokio::sync::RwLock<RaftNode>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FileWalStore` is never used
[INFO] [stdout]   --> src/storage/recovermanager/wal.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub type FileWalStore = WALManager;
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_sparse_index` is never used
[INFO] [stdout]    --> src/storage/sstable_codec.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn decode_sparse_index(index_block: &[u8]) -> Result<Vec<SparseIndexEntry>, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/storage/writemanager/block.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Full(Block, Vec<u8>),
[INFO] [stdout]    |     ----        ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 19 -     Full(Block, Vec<u8>),
[INFO] [stdout] 19 +     Full(Block, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `size` are never used
[INFO] [stdout]    --> src/storage/writemanager/block.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout]  57 | impl BlockBuilder {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `record_count`, `level`, and `file_id` are never read
[INFO] [stdout]   --> src/storage/writemanager/write.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct CheckpointResult {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub record_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 30 |     /// Level at which SSTable was written
[INFO] [stdout] 31 |     pub level: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 32 |     /// File ID used for the SSTable
[INFO] [stdout] 33 |     pub file_id: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CheckpointResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_default_dir` is never used
[INFO] [stdout]   --> src/storage/writemanager/write.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl WriteComponent {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn with_default_dir(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     async fn get(&self, key: &[u8]) -> Result<Option<Cow<'_, Vec<u8>>>, DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 11 -     async fn get(&self, key: &[u8]) -> Result<Option<Cow<'_, Vec<u8>>>, DBError>;
[INFO] [stdout] 11 +     fn get(&self, key: &[u8]) -> impl std::future::Future<Output = Result<Option<Cow<'_, Vec<u8>>>, DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 12 -     async fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout] 12 +     fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> impl std::future::Future<Output = Result<(), DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn delete(&mut self, key: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 13 -     async fn delete(&mut self, key: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout] 13 +     fn delete(&mut self, key: Vec<u8>) -> impl std::future::Future<Output = Result<(), DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.45s
[INFO] running `Command { std: "docker" "inspect" "85dadbae63e28e1c6e17efa8720ef22eb58768f8c83257a538db8fb4ec8ad3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85dadbae63e28e1c6e17efa8720ef22eb58768f8c83257a538db8fb4ec8ad3f1", kill_on_drop: false }`
[INFO] [stdout] 85dadbae63e28e1c6e17efa8720ef22eb58768f8c83257a538db8fb4ec8ad3f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 104cebdf25aca3c622fcec16f44f8bd04e3c80211fa0a4a9178d6ce7098a825b
[INFO] running `Command { std: "docker" "start" "-a" "104cebdf25aca3c622fcec16f44f8bd04e3c80211fa0a4a9178d6ce7098a825b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling zmij v1.0.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling mintex v0.1.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling uuid v1.23.1
[INFO] [stderr]    Compiling pulldown-cmark v0.13.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v22.0.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling prost-build v0.14.3
[INFO] [stderr]    Compiling tonic-prost-build v0.14.5
[INFO] [stderr]    Compiling rust-raft v0.1.0 (https://github.com/peacewalker122/rust-raft#4e8f6a2a)
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling dhat v0.3.3
[INFO] [stderr]    Compiling ceredb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::Cursor`
[INFO] [stdout]  --> src/storage/compactionmanager/compaction.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{io::Cursor, path::PathBuf, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `index::SparseIndexEntry` and `self`
[INFO] [stdout]   --> src/storage/compactionmanager/compaction.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bloom::{self, BloomFilterWrapper},
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 15 |     index::SparseIndexEntry,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::DBError`
[INFO] [stdout]  --> src/storage/footer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     error::DBError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::footer::SSTableFooter`
[INFO] [stdout]  --> src/storage/index.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::footer::SSTableFooter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `api::Store` and `storage::MockStore`
[INFO] [stdout]  --> src/storage/recovermanager/raft.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     storage::{api::Store, storage::MockStore},
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cursor` and `borrow::Cow`
[INFO] [stdout]  --> src/storage/writemanager/block.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{Cursor, Read, Seek, SeekFrom},
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Record` and `error::DBError`
[INFO] [stdout]   --> src/storage/writemanager/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     error::DBError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |         record::{MemtableRecord, Record},
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::RwLock`
[INFO] [stdout]   --> src/storage/writemanager/write.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::{io::AsyncWriteExt, sync::RwLock};
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let mut wal_file = TokioFile::open(file_path).await?;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Cursor`
[INFO] [stdout]  --> src/storage/compactionmanager/compaction.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{io::Cursor, path::PathBuf, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `index::SparseIndexEntry` and `self`
[INFO] [stdout]   --> src/storage/compactionmanager/compaction.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bloom::{self, BloomFilterWrapper},
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 15 |     index::SparseIndexEntry,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::DBError`
[INFO] [stdout]  --> src/storage/footer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     error::DBError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::footer::SSTableFooter`
[INFO] [stdout]  --> src/storage/index.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::footer::SSTableFooter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `api::Store` and `storage::MockStore`
[INFO] [stdout]  --> src/storage/recovermanager/raft.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     storage::{api::Store, storage::MockStore},
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cursor` and `borrow::Cow`
[INFO] [stdout]  --> src/storage/writemanager/block.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{Cursor, Read, Seek, SeekFrom},
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Record` and `error::DBError`
[INFO] [stdout]   --> src/storage/writemanager/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     error::DBError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |         record::{MemtableRecord, Record},
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::RwLock`
[INFO] [stdout]   --> src/storage/writemanager/write.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::{io::AsyncWriteExt, sync::RwLock};
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Write`
[INFO] [stdout]   --> src/storage/recovermanager/wal.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     io::Write,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_bits`
[INFO] [stdout]    --> src/storage/bloom.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let num_bits = u64::from_be_bytes(buf) as usize;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reserved_segment_id`
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:241:21
[INFO] [stdout]     |
[INFO] [stdout] 241 |         if let Some(reserved_segment_id) = self.reserved_wal.lock().await.pop_front() {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reserved_segment_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sstable_dir`
[INFO] [stdout]    --> src/storage/kv2.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let sstable_dir = sstable_dir.clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sstable_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequence_number`
[INFO] [stdout]   --> src/storage/readmanager/read.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         sequence_number: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequence_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checkpoint_lsn`
[INFO] [stdout]    --> src/storage/manifest_codec.rs:217:22
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 let (checkpoint_lsn, active_wal_segment) = decode_checkpoint_payload(payload)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkpoint_lsn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segment_id`
[INFO] [stdout]   --> src/storage/recovermanager/raft.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |     async fn mark_reserved(&self, segment_id: u64) -> Result<(), std::io::Error> {
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segment_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_type`
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:322:17
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let record_type = match record_type_buf[0] {
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `record_offset` is never read
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |             record_offset = WAL_HEADER_SIZE; // start reading records right after the header if no checkpoint offset is set
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let mut wal_file = TokioFile::open(file_path).await?;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `footer`
[INFO] [stdout]    --> src/storage/sstable_codec.rs:158:14
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let (footer, index, bloom) = Self::deserialize_sections(reader).await?;
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_block_payload_for_key` is never used
[INFO] [stdout]    --> src/storage/readmanager/read.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn scan_block_payload_for_key(payload: &[u8], target_key: &[u8]) -> Option<MemtableRecord> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogCommand` is never constructed
[INFO] [stdout]  --> src/storage/recovermanager/log_store.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LogCommand {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `serialize`, and `deserialize` are never used
[INFO] [stdout]   --> src/storage/recovermanager/log_store.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl LogCommand {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(record_type: RecordType, key: Vec<u8>, value: Vec<u8>, lsn: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn serialize(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn deserialize(data: &[u8]) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogPosition` is never constructed
[INFO] [stdout]   --> src/storage/recovermanager/log_store.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct LogPosition {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LogStore` is never used
[INFO] [stdout]   --> src/storage/recovermanager/log_store.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub trait LogStore: Send + Sync {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RaftRecoverManager` is never constructed
[INFO] [stdout]  --> src/storage/recovermanager/raft.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RaftRecoverManager {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/recovermanager/raft.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RaftRecoverManager {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(raft_storage: tokio::sync::RwLock<RaftNode>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FileWalStore` is never used
[INFO] [stdout]   --> src/storage/recovermanager/wal.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub type FileWalStore = WALManager;
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_sparse_index` is never used
[INFO] [stdout]    --> src/storage/sstable_codec.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn decode_sparse_index(index_block: &[u8]) -> Result<Vec<SparseIndexEntry>, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/storage/writemanager/block.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Full(Block, Vec<u8>),
[INFO] [stdout]    |     ----        ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 19 -     Full(Block, Vec<u8>),
[INFO] [stdout] 19 +     Full(Block, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `size` are never used
[INFO] [stdout]    --> src/storage/writemanager/block.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout]  57 | impl BlockBuilder {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `record_count`, `level`, and `file_id` are never read
[INFO] [stdout]   --> src/storage/writemanager/write.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct CheckpointResult {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub record_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 30 |     /// Level at which SSTable was written
[INFO] [stdout] 31 |     pub level: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 32 |     /// File ID used for the SSTable
[INFO] [stdout] 33 |     pub file_id: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CheckpointResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_default_dir` is never used
[INFO] [stdout]   --> src/storage/writemanager/write.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl WriteComponent {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn with_default_dir(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     async fn get(&self, key: &[u8]) -> Result<Option<Cow<'_, Vec<u8>>>, DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 11 -     async fn get(&self, key: &[u8]) -> Result<Option<Cow<'_, Vec<u8>>>, DBError>;
[INFO] [stdout] 11 +     fn get(&self, key: &[u8]) -> impl std::future::Future<Output = Result<Option<Cow<'_, Vec<u8>>>, DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 12 -     async fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout] 12 +     fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> impl std::future::Future<Output = Result<(), DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn delete(&mut self, key: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 13 -     async fn delete(&mut self, key: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout] 13 +     fn delete(&mut self, key: Vec<u8>) -> impl std::future::Future<Output = Result<(), DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tempfile::TempDir::into_path`: use TempDir::keep()
[INFO] [stdout]   --> src/testing/mod.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let path = temp_dir.into_path();
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_bits`
[INFO] [stdout]    --> src/storage/bloom.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let num_bits = u64::from_be_bytes(buf) as usize;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reserved_segment_id`
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:241:21
[INFO] [stdout]     |
[INFO] [stdout] 241 |         if let Some(reserved_segment_id) = self.reserved_wal.lock().await.pop_front() {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reserved_segment_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sstable_dir`
[INFO] [stdout]    --> src/storage/kv2.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let sstable_dir = sstable_dir.clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sstable_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequence_number`
[INFO] [stdout]   --> src/storage/readmanager/read.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         sequence_number: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequence_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_type`
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:322:17
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let record_type = match record_type_buf[0] {
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `record_offset` is never read
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |             record_offset = WAL_HEADER_SIZE; // start reading records right after the header if no checkpoint offset is set
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checkpoint_lsn`
[INFO] [stdout]    --> src/storage/manifest_codec.rs:217:22
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 let (checkpoint_lsn, active_wal_segment) = decode_checkpoint_payload(payload)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkpoint_lsn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segment_id`
[INFO] [stdout]   --> src/storage/recovermanager/raft.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |     async fn mark_reserved(&self, segment_id: u64) -> Result<(), std::io::Error> {
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segment_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:612:13
[INFO] [stdout]     |
[INFO] [stdout] 612 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:646:13
[INFO] [stdout]     |
[INFO] [stdout] 646 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:701:13
[INFO] [stdout]     |
[INFO] [stdout] 701 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:733:13
[INFO] [stdout]     |
[INFO] [stdout] 733 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:768:13
[INFO] [stdout]     |
[INFO] [stdout] 768 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:798:13
[INFO] [stdout]     |
[INFO] [stdout] 798 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:829:13
[INFO] [stdout]     |
[INFO] [stdout] 829 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:863:13
[INFO] [stdout]     |
[INFO] [stdout] 863 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:882:17
[INFO] [stdout]     |
[INFO] [stdout] 882 |             let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:901:13
[INFO] [stdout]     |
[INFO] [stdout] 901 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:935:17
[INFO] [stdout]     |
[INFO] [stdout] 935 |             let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:952:13
[INFO] [stdout]     |
[INFO] [stdout] 952 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/recovermanager/wal.rs:975:17
[INFO] [stdout]     |
[INFO] [stdout] 975 |             let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/storage/recovermanager/wal.rs:1002:13
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stdout]      |             ----^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `footer`
[INFO] [stdout]    --> src/storage/sstable_codec.rs:158:14
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let (footer, index, bloom) = Self::deserialize_sections(reader).await?;
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `footer`
[INFO] [stdout]    --> src/storage/sstable_codec.rs:376:13
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let footer = SSTableFooter {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bloom_block`
[INFO] [stdout]    --> src/storage/sstable_codec.rs:430:13
[INFO] [stdout]     |
[INFO] [stdout] 430 |         let bloom_block = bloom.encode();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bloom_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]    --> src/storage/sstable_codec.rs:445:13
[INFO] [stdout]     |
[INFO] [stdout] 445 |         let decoded = SSTableCodec::deserialize(&mut cursor).await.unwrap();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_block_payload_for_key` is never used
[INFO] [stdout]    --> src/storage/readmanager/read.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn scan_block_payload_for_key(payload: &[u8], target_key: &[u8]) -> Option<MemtableRecord> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FileWalStore` is never used
[INFO] [stdout]   --> src/storage/recovermanager/wal.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub type FileWalStore = WALManager;
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_sparse_index` is never used
[INFO] [stdout]    --> src/storage/sstable_codec.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn decode_sparse_index(index_block: &[u8]) -> Result<Vec<SparseIndexEntry>, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_id` is never read
[INFO] [stdout]   --> src/storage/writemanager/write.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct CheckpointResult {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub file_id: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CheckpointResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_default_dir` is never used
[INFO] [stdout]   --> src/storage/writemanager/write.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl WriteComponent {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn with_default_dir(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     async fn get(&self, key: &[u8]) -> Result<Option<Cow<'_, Vec<u8>>>, DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 11 -     async fn get(&self, key: &[u8]) -> Result<Option<Cow<'_, Vec<u8>>>, DBError>;
[INFO] [stdout] 11 +     fn get(&self, key: &[u8]) -> impl std::future::Future<Output = Result<Option<Cow<'_, Vec<u8>>>, DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 12 -     async fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout] 12 +     fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> impl std::future::Future<Output = Result<(), DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/api/api.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn delete(&mut self, key: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 13 -     async fn delete(&mut self, key: Vec<u8>) -> Result<(), DBError>;
[INFO] [stdout] 13 +     fn delete(&mut self, key: Vec<u8>) -> impl std::future::Future<Output = Result<(), DBError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Block` should have a snake case name
[INFO] [stdout]    --> src/storage/sstable_codec.rs:558:13
[INFO] [stdout]     |
[INFO] [stdout] 558 |         let Block = SSTableCodec::get_block(&mut cursor, &footer, &index, "flush-key-3".as_bytes())
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.96s
[INFO] running `Command { std: "docker" "inspect" "104cebdf25aca3c622fcec16f44f8bd04e3c80211fa0a4a9178d6ce7098a825b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104cebdf25aca3c622fcec16f44f8bd04e3c80211fa0a4a9178d6ce7098a825b", kill_on_drop: false }`
[INFO] [stdout] 104cebdf25aca3c622fcec16f44f8bd04e3c80211fa0a4a9178d6ce7098a825b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdb697e7b72b2fcc5287ce9e1bf35ed6228f781b6dd06ecabeb20395d4aa7c63
[INFO] running `Command { std: "docker" "start" "-a" "cdb697e7b72b2fcc5287ce9e1bf35ed6228f781b6dd06ecabeb20395d4aa7c63", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `io::Cursor`
[INFO] [stderr]  --> src/storage/compactionmanager/compaction.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{io::Cursor, path::PathBuf, sync::Arc};
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `index::SparseIndexEntry` and `self`
[INFO] [stderr]   --> src/storage/compactionmanager/compaction.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     bloom::{self, BloomFilterWrapper},
[INFO] [stderr]    |             ^^^^
[INFO] [stderr] 15 |     index::SparseIndexEntry,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::DBError`
[INFO] [stderr]  --> src/storage/footer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     error::DBError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::footer::SSTableFooter`
[INFO] [stderr]  --> src/storage/index.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use super::footer::SSTableFooter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `api::Store` and `storage::MockStore`
[INFO] [stderr]  --> src/storage/recovermanager/raft.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |     storage::{api::Store, storage::MockStore},
[INFO] [stderr]   |               ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cursor` and `borrow::Cow`
[INFO] [stderr]  --> src/storage/writemanager/block.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     borrow::Cow,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 3 |     io::{Cursor, Read, Seek, SeekFrom},
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Record` and `error::DBError`
[INFO] [stderr]   --> src/storage/writemanager/block.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     error::DBError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |         record::{MemtableRecord, Record},
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::RwLock`
[INFO] [stderr]   --> src/storage/writemanager/write.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio::{io::AsyncWriteExt, sync::RwLock};
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let mut wal_file = TokioFile::open(file_path).await?;
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::Write`
[INFO] [stderr]   --> src/storage/recovermanager/wal.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     io::Write,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_bits`
[INFO] [stderr]    --> src/storage/bloom.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let num_bits = u64::from_be_bytes(buf) as usize;
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bits`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reserved_segment_id`
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:241:21
[INFO] [stderr]     |
[INFO] [stderr] 241 |         if let Some(reserved_segment_id) = self.reserved_wal.lock().await.pop_front() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reserved_segment_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sstable_dir`
[INFO] [stderr]    --> src/storage/kv2.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |             let sstable_dir = sstable_dir.clone();
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sstable_dir`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sequence_number`
[INFO] [stderr]   --> src/storage/readmanager/read.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         sequence_number: u64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequence_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checkpoint_lsn`
[INFO] [stderr]    --> src/storage/manifest_codec.rs:217:22
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 let (checkpoint_lsn, active_wal_segment) = decode_checkpoint_payload(payload)?;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkpoint_lsn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `segment_id`
[INFO] [stderr]   --> src/storage/recovermanager/raft.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |     async fn mark_reserved(&self, segment_id: u64) -> Result<(), std::io::Error> {
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segment_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `record_type`
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:322:17
[INFO] [stderr]     |
[INFO] [stderr] 322 |             let record_type = match record_type_buf[0] {
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_type`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `record_offset` is never read
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:308:13
[INFO] [stderr]     |
[INFO] [stderr] 308 |             record_offset = WAL_HEADER_SIZE; // start reading records right after the header if no checkpoint offset is set
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `footer`
[INFO] [stderr]    --> src/storage/sstable_codec.rs:158:14
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let (footer, index, bloom) = Self::deserialize_sections(reader).await?;
[INFO] [stderr]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stderr] 
[INFO] [stderr] warning: function `scan_block_payload_for_key` is never used
[INFO] [stderr]    --> src/storage/readmanager/read.rs:147:4
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn scan_block_payload_for_key(payload: &[u8], target_key: &[u8]) -> Option<MemtableRecord> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LogCommand` is never constructed
[INFO] [stderr]  --> src/storage/recovermanager/log_store.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct LogCommand {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `serialize`, and `deserialize` are never used
[INFO] [stderr]   --> src/storage/recovermanager/log_store.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl LogCommand {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 12 |     pub fn new(record_type: RecordType, key: Vec<u8>, value: Vec<u8>, lsn: u64) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn serialize(&self) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn deserialize(data: &[u8]) -> Result<Self, std::io::Error> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LogPosition` is never constructed
[INFO] [stderr]   --> src/storage/recovermanager/log_store.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub struct LogPosition {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `LogStore` is never used
[INFO] [stderr]   --> src/storage/recovermanager/log_store.rs:75:11
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub trait LogStore: Send + Sync {
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RaftRecoverManager` is never constructed
[INFO] [stderr]  --> src/storage/recovermanager/raft.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct RaftRecoverManager {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/storage/recovermanager/raft.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl RaftRecoverManager {
[INFO] [stderr]    | ----------------------- associated function in this implementation
[INFO] [stderr] 13 |     pub fn new(raft_storage: tokio::sync::RwLock<RaftNode>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `FileWalStore` is never used
[INFO] [stderr]   --> src/storage/recovermanager/wal.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub type FileWalStore = WALManager;
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `decode_sparse_index` is never used
[INFO] [stderr]    --> src/storage/sstable_codec.rs:252:4
[INFO] [stderr]     |
[INFO] [stderr] 252 | fn decode_sparse_index(index_block: &[u8]) -> Result<Vec<SparseIndexEntry>, std::io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/storage/writemanager/block.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Full(Block, Vec<u8>),
[INFO] [stderr]    |     ----        ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[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] 19 -     Full(Block, Vec<u8>),
[INFO] [stderr] 19 +     Full(Block, ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_empty` and `size` are never used
[INFO] [stderr]    --> src/storage/writemanager/block.rs:147:12
[INFO] [stderr]     |
[INFO] [stderr]  57 | impl BlockBuilder {
[INFO] [stderr]     | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 147 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 152 |     pub fn size(&self) -> usize {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `record_count`, `level`, and `file_id` are never read
[INFO] [stderr]   --> src/storage/writemanager/write.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct CheckpointResult {
[INFO] [stderr]    |            ---------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub record_count: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 30 |     /// Level at which SSTable was written
[INFO] [stderr] 31 |     pub level: u32,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 32 |     /// File ID used for the SSTable
[INFO] [stderr] 33 |     pub file_id: u64,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CheckpointResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `with_default_dir` is never used
[INFO] [stderr]   --> src/storage/writemanager/write.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 57 | impl WriteComponent {
[INFO] [stderr]    | ------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 82 |     pub fn with_default_dir(
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]   --> src/api/api.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     async fn get(&self, key: &[u8]) -> Result<Option<Cow<'_, Vec<u8>>>, DBError>;
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stderr]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stderr]    |
[INFO] [stderr] 11 -     async fn get(&self, key: &[u8]) -> Result<Option<Cow<'_, Vec<u8>>>, DBError>;
[INFO] [stderr] 11 +     fn get(&self, key: &[u8]) -> impl std::future::Future<Output = Result<Option<Cow<'_, Vec<u8>>>, DBError>> + Send;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]   --> src/api/api.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     async fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), DBError>;
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stderr]    |
[INFO] [stderr] 12 -     async fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> Result<(), DBError>;
[INFO] [stderr] 12 +     fn put(&mut self, key: Vec<u8>, value: Vec<u8>) -> impl std::future::Future<Output = Result<(), DBError>> + Send;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]   --> src/api/api.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     async fn delete(&mut self, key: Vec<u8>) -> Result<(), DBError>;
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stderr]    |
[INFO] [stderr] 13 -     async fn delete(&mut self, key: Vec<u8>) -> Result<(), DBError>;
[INFO] [stderr] 13 +     fn delete(&mut self, key: Vec<u8>) -> impl std::future::Future<Output = Result<(), DBError>> + Send;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `ceredb` (lib) generated 35 warnings (run `cargo fix --lib -p ceredb` to apply 17 suggestions)
[INFO] [stderr] warning: use of deprecated method `tempfile::TempDir::into_path`: use TempDir::keep()
[INFO] [stderr]   --> src/testing/mod.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let path = temp_dir.into_path();
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:612:13
[INFO] [stderr]     |
[INFO] [stderr] 612 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:646:13
[INFO] [stderr]     |
[INFO] [stderr] 646 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:701:13
[INFO] [stderr]     |
[INFO] [stderr] 701 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:733:13
[INFO] [stderr]     |
[INFO] [stderr] 733 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:768:13
[INFO] [stderr]     |
[INFO] [stderr] 768 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:798:13
[INFO] [stderr]     |
[INFO] [stderr] 798 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:829:13
[INFO] [stderr]     |
[INFO] [stderr] 829 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:863:13
[INFO] [stderr]     |
[INFO] [stderr] 863 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:882:17
[INFO] [stderr]     |
[INFO] [stderr] 882 |             let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:901:13
[INFO] [stderr]     |
[INFO] [stderr] 901 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:935:17
[INFO] [stderr]     |
[INFO] [stderr] 935 |             let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:952:13
[INFO] [stderr]     |
[INFO] [stderr] 952 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/recovermanager/wal.rs:975:17
[INFO] [stderr]     |
[INFO] [stderr] 975 |             let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/storage/recovermanager/wal.rs:1002:13
[INFO] [stderr]      |
[INFO] [stderr] 1002 |         let mut wal_manager = super::WALManager::new(wal_dir.clone(), 1024 * 1024)
[INFO] [stderr]      |             ----^^^^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `footer`
[INFO] [stderr]    --> src/storage/sstable_codec.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 |         let footer = SSTableFooter {
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_footer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bloom_block`
[INFO] [stderr]    --> src/storage/sstable_codec.rs:430:13
[INFO] [stderr]     |
[INFO] [stderr] 430 |         let bloom_block = bloom.encode();
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bloom_block`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decoded`
[INFO] [stderr]    --> src/storage/sstable_codec.rs:445:13
[INFO] [stderr]     |
[INFO] [stderr] 445 |         let decoded = SSTableCodec::deserialize(&mut cursor).await.unwrap();
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stderr] 
[INFO] [stderr] warning: field `file_id` is never read
[INFO] [stderr]   --> src/storage/writemanager/write.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct CheckpointResult {
[INFO] [stderr]    |            ---------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub file_id: u64,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CheckpointResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Block` should have a snake case name
[INFO] [stderr]    --> src/storage/sstable_codec.rs:558:13
[INFO] [stderr]     |
[INFO] [stderr] 558 |         let Block = SSTableCodec::get_block(&mut cursor, &footer, &index, "flush-key-3".as_bytes())
[INFO] [stderr]     |             ^^^^^ help: convert the identifier to snake case: `block`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ceredb` (lib test) generated 45 warnings (25 duplicates) (run `cargo fix --lib -p ceredb --tests` to apply 17 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ceredb-7196baeee9ef4585)
[INFO] [stdout] 
[INFO] [stdout] running 107 tests
[INFO] [stdout] test command::tests::parse_get_command ... ok
[INFO] [stdout] test command::tests::execute_set_get_delete_flow ... ok
[INFO] [stdout] test command::tests::parse_invalid_arity ... ok
[INFO] [stdout] test command::tests::execute_set_get_delete_flow_async ... ok
[INFO] [stdout] test command::tests::parse_set_command ... ok
[INFO] [stdout] test command::tests::parse_set_with_empty_quoted_value ... ok
[INFO] [stdout] test command::tests::parse_set_with_escaped_quote_in_value ... ok
[INFO] [stdout] test command::tests::parse_set_with_quoted_value ... ok
[INFO] [stdout] test command::tests::parse_unterminated_quote ... ok
[INFO] [stdout] test command::tests::parse_set_with_single_quoted_value ... ok
[INFO] [stdout] test config::tests::test_verbose_flag ... ok
[INFO] [stdout] test storage::block::tests::test_block_decode_multiple_records ... ok
[INFO] [stdout] test storage::block::tests::test_block_builder ... ok
[INFO] [stdout] test storage::block::tests::test_block_decode_preserves_record_types ... ok
[INFO] [stdout] test command::tests::parse_delete_command ... ok
[INFO] [stdout] test storage::block::tests::test_block_decode_corrupted_record_data ... ok
[INFO] [stdout] test storage::block::tests::test_block_decode_with_varying_key_sizes ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_block_full_triggers_new_block ... ignored, Skipped: memory allocation error - needs investigation
[INFO] [stdout] test storage::block::tests::test_block_decode_single_record ... ok
[INFO] [stdout] test storage::block::tests::test_block_decode_cursor_position_advances ... ok
[INFO] [stdout] test storage::bloom::tests::test_bloom_filter_no_false_negatives ... ok
[INFO] [stdout] test storage::bloom::tests::test_bloom_filter_clear ... ok
[INFO] [stdout] test storage::bloom::tests::test_bloom_filter_encode_decode ... ok
[INFO] [stdout] test storage::bloom::tests::test_bloom_filter_basic ... ok
[INFO] [stdout] test storage::bloom::tests::test_bloom_filter_encode_async_decode ... ok
[INFO] [stdout] test command::tests::parse_lowercase_commands ... ok
[INFO] [stdout] test config::tests::test_log_level_parsing ... ok
[INFO] [stdout] test storage::block::tests::test_block_decode_invalid_record_count ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::compute_level_range_uses_manifest_range_when_present ... ok
[INFO] [stdout] test command::tests::parse_del_shorthand_command ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::ranges_overlap_when_boundaries_touch ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::ranges_do_not_overlap_when_disjoint ... ok
[INFO] [stdout] test storage::bloom::tests::test_bloom_filter_false_positive_rate ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_duplicate_keys_older_delete_newer_put_survives ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_duplicate_key_appears_once_after_compaction ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_duplicate_keys_equal_lsn_delete_wins ... ok
[INFO] [stdout] test storage::manifest_codec::tests::decode_add_payload_supports_legacy_without_range_fields ... ok
[INFO] [stdout] test storage::manifest_codec::tests::encode_and_decode_entry_roundtrip ... ok
[INFO] [stdout] test storage::manifest_codec::tests::decode_rejects_checksum_mismatch ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_duplicate_keys_newest_delete_dropped ... ok
[INFO] [stdout] test storage::record::tests::test_record_checksum_validation ... ok
[INFO] [stdout] test storage::record::tests::test_record_decode_calculates_offset ... ok
[INFO] [stdout] test storage::record::tests::test_record_equality_different_timestamp ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_bloom_filter_contains_all_keys ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_single_record_sstables ... ok
[INFO] [stdout] test storage::record::tests::test_record_ordering_by_key ... ok
[INFO] [stdout] test storage::record::tests::test_record_ordering_by_timestamp ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_single_sstable_single_block ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::compaction_with_delete_tombstones ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_multiple_sstables_non_overlapping ... ok
[INFO] [stdout] test storage::record::tests::test_record_equality_same_timestamp ... ok
[INFO] [stdout] test storage::record::tests::test_record_timestamp_encoding ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_empty_blocks ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_append_writes_log_to_raft ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_duplicate_keys_timestamps ... ok
[INFO] [stdout] test storage::record::tests::test_record_tombstone ... ok
[INFO] [stdout] test storage::readmanager::read::tests::get_returns_latest_visible_version_for_snapshot_sequence_number ... ok
[INFO] [stdout] test storage::kv2::tests::kvengine_put_get_delete_roundtrip ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::merge_duplicate_keys_non_contiguous_input_order ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_delete_command_roundtrip ... ok
[INFO] [stdout] test storage::compactionmanager::compaction::tests::compaction_merge_reverse_order ... ok
[INFO] [stdout] test storage::record::tests::test_record_timestamp_extreme_values ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_mark_reserved_returns_ok ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_new_creates_recover_manager ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_rotate_returns_placeholder_value ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_recover_commands_skips_invalid_serialized_data ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_recover_commands_returns_written_commands ... ok
[INFO] [stdout] test storage::kv2::tests::open_recovers_written_value_from_wal_after_restart ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::initialize_new_file_segment ... ok
[INFO] [stdout] test storage::sstable_codec::tests::deserialize_reads_footer_and_bloom ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_append_multiple_commands ... ok
[INFO] [stdout] test storage::sstable_codec::tests::deserialize_returns_section_metadata_without_loading_blocks ... ok
[INFO] [stdout] test storage::sstable_codec::tests::range_from_index_returns_first_and_last_boundaries ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::recover_empty_wal ... ok
[INFO] [stdout] test storage::kv2::tests::open_initializes_storage_directories ... ok
[INFO] [stdout] test storage::sstable_codec::tests::range_from_index_returns_none_for_empty_index ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_add_multiple_records ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_add_record ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_block_full ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_build_empty ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_build ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_first_last_key_tracking ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_initial_state ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_size_calculation ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_with_delete_records ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_builder_with_non_zero_offset ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_encode_header ... ok
[INFO] [stdout] test storage::writemanager::block::tests::test_block_with_various_key_lengths ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::recover_checksum_verification ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::write_log_empty_value ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::write_log_delete_record ... ok
[INFO] [stdout] test storage::manifest_codec::tests::manager_replays_entries ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::write_log_creates_new_segment ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::write_log_large_key_and_value ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::recover_with_delete_records ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::write_log_multiple_records ... ok
[INFO] [stdout] test storage::recovermanager::raft::test::test_append_with_peers_fails_gracefully ... ok
[INFO] [stdout] test storage::writemanager::write::tests::put_appends_put_record_to_memtable_and_updates_size ... ok
[INFO] [stdout] test storage::sstable_codec::tests::deserialize_reads_sstable_written_by_flush_serialize_path ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::recover_with_put_records ... ok
[INFO] [stdout] test storage::writemanager::write::tests::delete_appends_tombstone_record_to_memtable_and_updates_size ... ok
[INFO] [stdout] test storage::readmanager::read::tests::get_reads_from_sstable_when_memtable_misses ... ok
[INFO] [stdout] test storage::writemanager::write::tests::flush_persists_memtable_and_updates_manifest ... ok
[INFO] [stdout] test storage::writemanager::write::tests::flush_twice_registers_two_sstables_with_incrementing_ids ... ok
[INFO] [stdout] test storage::writemanager::write::tests::flush_persists_bloom_filter_metadata_for_memtable_keys ... ok
[INFO] [stdout] test storage::recovermanager::wal::test::write_log_single_record ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ceredb-e33cb4878867b43a)
[INFO] [stderr]    Doc-tests ceredb
[INFO] [stdout] test storage::writemanager::write::tests::flush_rotates_wal_on_each_successful_flush ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 106 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[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] [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] running `Command { std: "docker" "inspect" "cdb697e7b72b2fcc5287ce9e1bf35ed6228f781b6dd06ecabeb20395d4aa7c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb697e7b72b2fcc5287ce9e1bf35ed6228f781b6dd06ecabeb20395d4aa7c63", kill_on_drop: false }`
[INFO] [stdout] cdb697e7b72b2fcc5287ce9e1bf35ed6228f781b6dd06ecabeb20395d4aa7c63
