[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] testing kekecc/bitcask against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkekecc%2Fbitcask" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kekecc/bitcask on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeff6be17c88d4151439886121d1bf39df3d335e5785987a62f4d564cb5eb843
[INFO] running `Command { std: "docker" "start" "-a" "aeff6be17c88d4151439886121d1bf39df3d335e5785987a62f4d564cb5eb843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeff6be17c88d4151439886121d1bf39df3d335e5785987a62f4d564cb5eb843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeff6be17c88d4151439886121d1bf39df3d335e5785987a62f4d564cb5eb843", kill_on_drop: false }`
[INFO] [stdout] aeff6be17c88d4151439886121d1bf39df3d335e5785987a62f4d564cb5eb843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a8425f3cbb7c7f596f4ca98a38ecea9f5e2bf15ed7c45baa99f79f59a9b8c24
[INFO] running `Command { std: "docker" "start" "-a" "1a8425f3cbb7c7f596f4ca98a38ecea9f5e2bf15ed7c45baa99f79f59a9b8c24", 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]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling deunicode v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling clap_builder v4.5.13
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling bytes v1.6.1
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[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
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[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling fs4 v0.8.4
[INFO] [stderr]    Compiling clap v4.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling fake v2.9.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling 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 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] 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.93s
[INFO] running `Command { std: "docker" "inspect" "1a8425f3cbb7c7f596f4ca98a38ecea9f5e2bf15ed7c45baa99f79f59a9b8c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8425f3cbb7c7f596f4ca98a38ecea9f5e2bf15ed7c45baa99f79f59a9b8c24", kill_on_drop: false }`
[INFO] [stdout] 1a8425f3cbb7c7f596f4ca98a38ecea9f5e2bf15ed7c45baa99f79f59a9b8c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7faac0a93adb1ff6c42c0c75e181d4d579f71d00c88f6fa23dca1c3e63db2dbb
[INFO] running `Command { std: "docker" "start" "-a" "7faac0a93adb1ff6c42c0c75e181d4d579f71d00c88f6fa23dca1c3e63db2dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 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] 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] [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] 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "7faac0a93adb1ff6c42c0c75e181d4d579f71d00c88f6fa23dca1c3e63db2dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7faac0a93adb1ff6c42c0c75e181d4d579f71d00c88f6fa23dca1c3e63db2dbb", kill_on_drop: false }`
[INFO] [stdout] 7faac0a93adb1ff6c42c0c75e181d4d579f71d00c88f6fa23dca1c3e63db2dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bc0a88728ad8ec4577ae7d218bf1205d26a5a280787db2f8bfb13185efae315
[INFO] running `Command { std: "docker" "start" "-a" "0bc0a88728ad8ec4577ae7d218bf1205d26a5a280787db2f8bfb13185efae315", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `AtomicI64` and `AtomicU32`
[INFO] [stderr]  --> src/transaction/manager.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |     sync::atomic::{AtomicI64, AtomicU32, AtomicU64, Ordering},
[INFO] [stderr]   |                    ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/transaction/engine.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     if let Err(e) = storage_.delete(KeySlice::new(key, ts).encode()) {
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `padding` is never used
[INFO] [stderr]   --> src/data/datafile.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl DataFile {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub fn padding(&mut self, max: u64) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `read_record_with_size` is never used
[INFO] [stderr]   --> src/data/datafile.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 62 | impl DataFile {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub fn read_record_with_size(&self, offset: u64, size: u64) -> Result<RecordReader> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `begin` is never used
[INFO] [stderr]   --> src/transaction.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl Transaction {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 43 |     pub(crate) fn begin(storage: Arc<Bitcask>, manager: Arc<TxnManager>) -> Self {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TxnEngine` is never constructed
[INFO] [stderr]   --> src/transaction/engine.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct TxnEngine {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `close`, `sync`, and `begin_transaction` are never used
[INFO] [stderr]   --> src/transaction/engine.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl TxnEngine {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 16 |     pub fn new(storage: Bitcask) -> Result<Self> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn close(&self) -> Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub fn sync(&self) -> Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     pub fn begin_transaction(&self) -> Transaction {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `get_uncommitted_txn`, `acquire_next_ts`, and `add_txn` are never used
[INFO] [stderr]   --> src/transaction/manager.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl TxnManager {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 23 |     pub(crate) fn new(ops: BitcaskOptions, signal: Sender<()>) -> Result<Self> {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<HashMap<u64, Vec<Vec<u8>>>> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub(crate) fn acquire_next_ts(&self) -> u64 {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub(crate) fn add_txn(&self, version: u64) -> HashSet<u64> {
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/batch_write.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new_batch_write(&self, opts: WriteBatchOptions) -> Result<BatchWrite> {
[INFO] [stderr]    |                            ^^^^^ the lifetime is elided here         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new_batch_write(&self, opts: WriteBatchOptions) -> Result<BatchWrite<'_>> {
[INFO] [stderr]    |                                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/transaction/manager.rs:56:39
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<HashMap<u64, Vec<Vec<u8>>>> {
[INFO] [stderr]    |                                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub(crate) fn get_uncommitted_txn(&self) -> MappedMutexGuard<'_, HashMap<u64, Vec<Vec<u8>>>> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcask` (lib) generated 10 warnings (run `cargo fix --lib -p bitcask` to apply 4 suggestions)
[INFO] [stderr] warning: `bitcask` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bitcask-434aa73a4cadff6f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test data::datafile::tests::read ... ok
[INFO] [stdout] test data::datafile::tests::new ... ok
[INFO] [stdout] test data::log_record::tests::record_encode_and_decode ... ok
[INFO] [stdout] test data::datafile::tests::write ... ok
[INFO] [stdout] test storage::tests::t ... FAILED
[INFO] [stdout] test batch_write::tests::test_bitcask_write_batch ... ok
[INFO] [stdout] test storage::tests::test_bitcask_merge ... FAILED
[INFO] [stdout] test storage::tests::test_bitcask_put_get_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- storage::tests::t stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'storage::tests::t' (30) panicked at src/storage.rs:539:14:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fdb28b2677a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fdb28b2677a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fdb28b2677a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fdb28b2677a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fdb28b3b43a - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fdb28b3b43a - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x5fdb28b2b782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fdb28b2b782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5fdb28b038cf - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fdb28b038cf - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fdb28b1e189 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fdb28a9051c - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5fdb28a9051c - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fdb28b1e342 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5fdb28b1e342 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fdb28b03988 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fdb28afac29 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fdb28b0484d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fdb28b3bcec - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fdb28b3ba62 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5fdb28a76c6b - core::result::Result<T,E>::unwrap::hb8cae130900cc01a
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5fdb28a76c6b - bitcask::storage::tests::t::h20d7375eb9e0f0de
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage.rs:539:14
[INFO] [stdout]   22:     0x5fdb28a76cd7 - bitcask::storage::tests::t::{{closure}}::h4ca6340d5be8a85c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage.rs:532:11
[INFO] [stdout]   23:     0x5fdb28a785f6 - core::ops::function::FnOnce::call_once::hdbbbd29256c5e2b8
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fdb28a845fb - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5fdb28a845fb - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5fdb28a90feb - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5fdb28a90feb - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5fdb28a90feb - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5fdb28a90feb - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5fdb28a90feb - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fdb28a90feb - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5fdb28a90feb - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5fdb28a8c704 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5fdb28a8c704 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5fdb28a93bf2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5fdb28a93bf2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5fdb28a93bf2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5fdb28a93bf2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5fdb28a93bf2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fdb28a93bf2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5fdb28a93bf2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5fdb28b2600f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x5fdb28b2600f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7f8597b83aa4 - <unknown>
[INFO] [stdout]   45:     0x7f8597c10a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- storage::tests::test_bitcask_merge stdout ----
[INFO] [stdout] Error: get: key not found!
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl anyhow::Error>::msg
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.86/src/backtrace.rs:27:14
[INFO] [stdout]    1: bitcask::storage::Bitcask::get
[INFO] [stdout]              at ./src/storage.rs:151:20
[INFO] [stdout]    2: bitcask::storage::tests::test_bitcask_merge
[INFO] [stdout]              at ./src/storage.rs:524:33
[INFO] [stdout]    3: bitcask::storage::tests::test_bitcask_merge::{{closure}}
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]              at ./src/storage.rs:505:32
[INFO] [stdout]    4: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    5: <fn() -> core::result::Result<(), alloc::string::String> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    6: test::__rust_begin_short_backtrace::<core::result::Result<(), alloc::string::String>, fn() -> core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]    7: test::run_test_in_process::{closure#0}
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]    9: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>, core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   10: std::panicking::catch_unwind::<core::result::Result<(), alloc::string::String>, core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>>
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>, core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: test::run_test_in_process
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   13: test::run_test::{closure#0}
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   14: test::run_test::{closure#1}
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   15: std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   16: std::thread::lifecycle::spawn_unchecked::<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   17: <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   18: std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   19: std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   20: std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   21: std::thread::lifecycle::spawn_unchecked::<test::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   22: <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   24: <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   25: <unknown>
[INFO] [stdout]   26: clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     storage::tests::t
[INFO] [stdout]     storage::tests::test_bitcask_merge
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bc0a88728ad8ec4577ae7d218bf1205d26a5a280787db2f8bfb13185efae315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc0a88728ad8ec4577ae7d218bf1205d26a5a280787db2f8bfb13185efae315", kill_on_drop: false }`
[INFO] [stdout] 0bc0a88728ad8ec4577ae7d218bf1205d26a5a280787db2f8bfb13185efae315
