[INFO] cloning repository https://github.com/kekecc/bitcask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kekecc/bitcask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkekecc%2Fbitcask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkekecc%2Fbitcask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9d66df78bb97c712844c07b3655ca98d1e89804
[INFO] checking kekecc/bitcask against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkekecc%2Fbitcask" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kekecc/bitcask
[INFO] finished tweaking git repo https://github.com/kekecc/bitcask
[INFO] tweaked toml for git repo https://github.com/kekecc/bitcask written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kekecc/bitcask on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kekecc/bitcask 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c38e828314fc65bdeb15a0a5721a666d92caa3ca7fd21af0306ec80d2521daee
[INFO] running `Command { std: "docker" "start" "-a" "c38e828314fc65bdeb15a0a5721a666d92caa3ca7fd21af0306ec80d2521daee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c38e828314fc65bdeb15a0a5721a666d92caa3ca7fd21af0306ec80d2521daee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38e828314fc65bdeb15a0a5721a666d92caa3ca7fd21af0306ec80d2521daee", kill_on_drop: false }`
[INFO] [stdout] c38e828314fc65bdeb15a0a5721a666d92caa3ca7fd21af0306ec80d2521daee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2eedf7f7c5cf4ed7cfb3e6566be642c9d40416045199ddb2198f7a00a1269e8
[INFO] running `Command { std: "docker" "start" "-a" "a2eedf7f7c5cf4ed7cfb3e6566be642c9d40416045199ddb2198f7a00a1269e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking clap_builder v4.5.13
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking deunicode v1.6.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
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[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking clap v4.5.13
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking fs4 v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fake v2.9.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking bitcask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AtomicI64` and `AtomicU32`
[INFO] [stdout]  --> src/transaction/manager.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::atomic::{AtomicI64, AtomicU32, AtomicU64, Ordering},
[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: `AtomicI64` and `AtomicU32`
[INFO] [stdout]  --> src/transaction/manager.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::atomic::{AtomicI64, AtomicU32, AtomicU64, Ordering},
[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 variable: `e`
[INFO] [stdout]   --> src/transaction/engine.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     if let Err(e) = storage_.delete(KeySlice::new(key, ts).encode()) {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `padding` is never used
[INFO] [stdout]   --> src/data/datafile.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl DataFile {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn padding(&mut self, max: u64) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_record_with_size` is never used
[INFO] [stdout]   --> src/data/datafile.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl DataFile {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn read_record_with_size(&self, offset: u64, size: u64) -> Result<RecordReader> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Transaction` is never constructed
[INFO] [stdout]   --> src/transaction.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Transaction {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `begin` is never used
[INFO] [stdout]   --> src/transaction.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Transaction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 43 |     pub(crate) fn begin(storage: Arc<Bitcask>, manager: Arc<TxnManager>) -> Self {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TxnEngine` is never constructed
[INFO] [stdout]   --> src/transaction/engine.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TxnEngine {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `close`, `sync`, and `begin_transaction` are never used
[INFO] [stdout]   --> src/transaction/engine.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl TxnEngine {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(storage: Bitcask) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn close(&self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn sync(&self) -> Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn begin_transaction(&self) -> Transaction {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_uncommitted_txn`, `acquire_next_ts`, and `add_txn` are never used
[INFO] [stdout]   --> src/transaction/manager.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TxnManager {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 23 |     pub(crate) fn new(ops: BitcaskOptions, signal: Sender<()>) -> Result<Self> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<HashMap<u64, Vec<Vec<u8>>>> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) fn acquire_next_ts(&self) -> u64 {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub(crate) fn add_txn(&self, version: u64) -> HashSet<u64> {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/batch_write.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new_batch_write(&self, opts: WriteBatchOptions) -> Result<BatchWrite> {
[INFO] [stdout]    |                            ^^^^^ the lifetime is elided here         ^^^^^^^^^^ the same lifetime is hidden 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] 20 |     pub fn new_batch_write(&self, opts: WriteBatchOptions) -> Result<BatchWrite<'_>> {
[INFO] [stdout]    |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/transaction/manager.rs:56:39
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<HashMap<u64, Vec<Vec<u8>>>> {
[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] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<'_, HashMap<u64, Vec<Vec<u8>>>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcask` (lib) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/transaction/engine.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |                     if let Err(e) = storage_.delete(KeySlice::new(key, ts).encode()) {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `padding` is never used
[INFO] [stdout]   --> src/data/datafile.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl DataFile {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn padding(&mut self, max: u64) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_record_with_size` is never used
[INFO] [stdout]   --> src/data/datafile.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl DataFile {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn read_record_with_size(&self, offset: u64, size: u64) -> Result<RecordReader> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Transaction` is never constructed
[INFO] [stdout]   --> src/transaction.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Transaction {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `begin` is never used
[INFO] [stdout]   --> src/transaction.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Transaction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 43 |     pub(crate) fn begin(storage: Arc<Bitcask>, manager: Arc<TxnManager>) -> Self {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TxnEngine` is never constructed
[INFO] [stdout]   --> src/transaction/engine.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TxnEngine {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `close`, `sync`, and `begin_transaction` are never used
[INFO] [stdout]   --> src/transaction/engine.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl TxnEngine {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(storage: Bitcask) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn close(&self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn sync(&self) -> Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn begin_transaction(&self) -> Transaction {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_uncommitted_txn`, `acquire_next_ts`, and `add_txn` are never used
[INFO] [stdout]   --> src/transaction/manager.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TxnManager {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 23 |     pub(crate) fn new(ops: BitcaskOptions, signal: Sender<()>) -> Result<Self> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<HashMap<u64, Vec<Vec<u8>>>> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) fn acquire_next_ts(&self) -> u64 {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub(crate) fn add_txn(&self, version: u64) -> HashSet<u64> {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/batch_write.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new_batch_write(&self, opts: WriteBatchOptions) -> Result<BatchWrite> {
[INFO] [stdout]    |                            ^^^^^ the lifetime is elided here         ^^^^^^^^^^ the same lifetime is hidden 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] 20 |     pub fn new_batch_write(&self, opts: WriteBatchOptions) -> Result<BatchWrite<'_>> {
[INFO] [stdout]    |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/transaction/manager.rs:56:39
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<HashMap<u64, Vec<Vec<u8>>>> {
[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] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<'_, HashMap<u64, Vec<Vec<u8>>>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcask` (lib test) due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a2eedf7f7c5cf4ed7cfb3e6566be642c9d40416045199ddb2198f7a00a1269e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2eedf7f7c5cf4ed7cfb3e6566be642c9d40416045199ddb2198f7a00a1269e8", kill_on_drop: false }`
[INFO] [stdout] a2eedf7f7c5cf4ed7cfb3e6566be642c9d40416045199ddb2198f7a00a1269e8
