[INFO] cloning repository https://github.com/codejoyan/step_wise_mini_lsm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codejoyan/step_wise_mini_lsm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodejoyan%2Fstep_wise_mini_lsm", kill_on_drop: false }`
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[INFO] [stdout] 4ac5054d2fb27789d0a205de3665cd370819a687
[INFO] checking codejoyan/step_wise_mini_lsm against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodejoyan%2Fstep_wise_mini_lsm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codejoyan/step_wise_mini_lsm
[INFO] finished tweaking git repo https://github.com/codejoyan/step_wise_mini_lsm
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[INFO] validating manifest of git repo https://github.com/codejoyan/step_wise_mini_lsm on toolchain 507271bc119683008ec719ecee48814e8ac86c65
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[INFO] crate git repo https://github.com/codejoyan/step_wise_mini_lsm already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling ouroboros_macro v0.18.3
[INFO] [stderr]     Checking ouroboros v0.18.3
[INFO] [stderr]     Checking step_wise_mini_lsm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `mem_table` and `imm_memtables` are never read
[INFO] [stdout]   --> src/lsm_storage.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LsmStorageState {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 12 |     mem_table: Arc<MemTable>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     imm_memtables: Vec<Arc<MemTable>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LsmStorageState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]   --> src/lsm_storage.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl LsmStorageState {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 17 |     fn create() -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_size`, `target_sst_size`, `num_memtable_limit`, `wal_enabled`, and `serializable` are never read
[INFO] [stdout]   --> src/lsm_storage.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct LsmStorageOptions {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 27 |     block_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 28 |     target_sst_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     num_memtable_limit: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     wal_enabled: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 31 |     serializable: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LsmStorageOptions` 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: struct `MiniLsm` is never constructed
[INFO] [stdout]   --> src/lsm_storage.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) struct MiniLsm {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `write_batch`, `put`, and `delete` are never used
[INFO] [stdout]   --> src/lsm_storage.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl MiniLsm {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 56 |     pub fn get(&self, key: &[u8]) -> Result<Option<Bytes>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn write_batch<T: AsRef<[u8]>>(&self, batch: &[WriteBatchRecord<T>]) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn put(&self, key: &[u8], value: &[u8]) -> Result<()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn delete(&self, key: &[u8]) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LsmStorageInner` is never constructed
[INFO] [stdout]   --> src/lsm_storage.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub(crate) struct LsmStorageInner {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/lsm_storage.rs:81:19
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl LsmStorageInner {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout]  81 |     pub(crate) fn next_sst_id(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn get(&self, key: &[u8]) -> Result<Option<Bytes>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn freeze_memtable_with_memtable(&self, mem_table: Arc<MemTable>) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn force_freeze_memtable(&self) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn try_freeze(&self, estimated_size: usize) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn write_batch<T: AsRef<[u8]>>(&self, batch: &[WriteBatchRecord<T>]) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn put(&self, key: &[u8], value: &[u8]) -> Result<()> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn delete(&self, key: &[u8]) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/mem_table.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MemTable {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 23 |     map: Arc<SkipMap<Bytes, Bytes>>,
[INFO] [stdout] 24 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/key.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/key.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mem_table.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mem_table` and `imm_memtables` are never read
[INFO] [stdout]   --> src/lsm_storage.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LsmStorageState {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 12 |     mem_table: Arc<MemTable>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     imm_memtables: Vec<Arc<MemTable>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LsmStorageState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]   --> src/lsm_storage.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl LsmStorageState {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 17 |     fn create() -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_size`, `target_sst_size`, `num_memtable_limit`, `wal_enabled`, and `serializable` are never read
[INFO] [stdout]   --> src/lsm_storage.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct LsmStorageOptions {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 27 |     block_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 28 |     target_sst_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     num_memtable_limit: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     wal_enabled: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 31 |     serializable: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LsmStorageOptions` 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: struct `MiniLsm` is never constructed
[INFO] [stdout]   --> src/lsm_storage.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) struct MiniLsm {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `write_batch`, `put`, and `delete` are never used
[INFO] [stdout]   --> src/lsm_storage.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl MiniLsm {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 56 |     pub fn get(&self, key: &[u8]) -> Result<Option<Bytes>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn write_batch<T: AsRef<[u8]>>(&self, batch: &[WriteBatchRecord<T>]) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn put(&self, key: &[u8], value: &[u8]) -> Result<()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn delete(&self, key: &[u8]) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LsmStorageInner` is never constructed
[INFO] [stdout]   --> src/lsm_storage.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub(crate) struct LsmStorageInner {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/lsm_storage.rs:81:19
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl LsmStorageInner {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout]  81 |     pub(crate) fn next_sst_id(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn get(&self, key: &[u8]) -> Result<Option<Bytes>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn freeze_memtable_with_memtable(&self, mem_table: Arc<MemTable>) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn force_freeze_memtable(&self) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn try_freeze(&self, estimated_size: usize) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn write_batch<T: AsRef<[u8]>>(&self, batch: &[WriteBatchRecord<T>]) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn put(&self, key: &[u8], value: &[u8]) -> Result<()> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn delete(&self, key: &[u8]) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/mem_table.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MemTable {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 23 |     map: Arc<SkipMap<Bytes, Bytes>>,
[INFO] [stdout] 24 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/key.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/key.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn as_key_slice(&self) -> KeySlice {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn as_key_slice(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mem_table.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn key(&self) -> KeySlice {
[INFO] [stdout]    |            ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn key(&self) -> KeySlice<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.47s
[INFO] running `Command { std: "docker" "inspect" "64573c516585c3d20d1f06620b295d449aadb2ca90609f3e5cbd7bce3a203486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64573c516585c3d20d1f06620b295d449aadb2ca90609f3e5cbd7bce3a203486", kill_on_drop: false }`
[INFO] [stdout] 64573c516585c3d20d1f06620b295d449aadb2ca90609f3e5cbd7bce3a203486
