[INFO] fetching crate bitcasky 0.1.2...
[INFO] testing bitcasky-0.1.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] extracting crate bitcasky 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate bitcasky 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bitcasky 0.1.2
[INFO] tweaked toml for crates.io crate bitcasky 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitcasky 0.1.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 172 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
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[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding rustix v0.38.44 (available: v1.1.4)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colorchoice v1.0.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1169b6eaae35611fa353c1e92162ef69aa3e3e8c0f7f6f1ca933a47c748aae05
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[INFO] [stdout] 4e31bda4102767bb33c814e9fd3893e6e47edc37ff6cc59110e33b3e5c32fdc3
[INFO] running `Command { std: "docker" "start" "-a" "4e31bda4102767bb33c814e9fd3893e6e47edc37ff6cc59110e33b3e5c32fdc3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling zerocopy-derive v0.8.47
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
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[INFO] [stderr]    Compiling serde v1.0.228
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[INFO] [stderr]    Compiling bitcasky v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `tempfile::TempDir::into_path`: use TempDir::keep()
[INFO] [stdout]    --> src/test_utils.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     dir.into_path()
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `writing_storage_id` is never read
[INFO] [stdout]   --> src/database/core.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct StorageIds {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     pub stable_storage_ids: Vec<StorageId>,
[INFO] [stdout] 67 |     pub writing_storage_id: StorageId,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageIds` has a derived impl for the trait `Debug`, 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: method `rewind` is never used
[INFO] [stdout]   --> src/database/data_storage/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait DataStorageWriter {
[INFO] [stdout]    |           ----------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn rewind(&mut self) -> Result<()>;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `offset` is never used
[INFO] [stdout]   --> src/database/data_storage/mod.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait DataStorageReader {
[INFO] [stdout]    |           ----------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn offset(&self) -> usize;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/formatter/mod.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<K: AsRef<[u8]>, V: Deref<Target = [u8]>> RowToWrite<K, V> {
[INFO] [stdout]    | -------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 59 |     pub fn new(key: K, value: V) -> RowToWrite<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Handle` is never used
[INFO] [stdout]   --> src/fs/mod.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Handle {}
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_type` and `storage_id` are never read
[INFO] [stdout]   --> src/fs/core.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct IdentifiedFile {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 14 |     pub file_type: FileType,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 15 |     pub file: File,
[INFO] [stdout] 16 |     pub storage_id: Option<StorageId>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestingKV` is never constructed
[INFO] [stdout]  --> src/test_utils.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TestingKV {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/test_utils.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TestingKV {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(k: &str, v: &str) -> TestingKV {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn new_expirable(k: &str, v: &str, expire_timestamp: u64) -> TestingKV {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn from_bytes(k: &[u8], v: &[u8]) -> TestingKV {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn key_ref(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn value_ref(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn key(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn value(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn expire_timestamp(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TestingOperator` is never used
[INFO] [stdout]   --> src/test_utils.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum TestingOperator {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestingOperation` is never constructed
[INFO] [stdout]   --> src/test_utils.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TestingOperation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `operator`, `key`, and `value` are never used
[INFO] [stdout]   --> src/test_utils.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl TestingOperation {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 71 |     pub fn operator(&self) -> &TestingOperator {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn key(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn value(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestingOperations` is never constructed
[INFO] [stdout]   --> src/test_utils.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct TestingOperations {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `operations` and `squash` are never used
[INFO] [stdout]   --> src/test_utils.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl TestingOperations {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 90 |     pub fn operations(&self) -> &Vec<TestingOperation> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn squash(&self) -> Vec<TestingOperation> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RandomTestingDataGenerator` is never constructed
[INFO] [stdout]    --> src/test_utils.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct RandomTestingDataGenerator {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `generate_testing_kvs`, `generate_testing_operations`, `generate_testing_kv`, `generate_testing_operation`, and `generate_write_operator` are never used
[INFO] [stdout]    --> src/test_utils.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl RandomTestingDataGenerator {
[INFO] [stdout]     | ------------------------------- associated items in this implementation
[INFO] [stdout] 126 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn generate_testing_kvs(&mut self, kvs_len: usize) -> Vec<TestingKV> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn generate_testing_operations(&mut self, operation_len: usize) -> TestingOperations {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn generate_testing_kv(&mut self) -> TestingKV {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn generate_testing_operation(&mut self) -> TestingOperation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn generate_write_operator(&mut self) -> TestingOperator {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_temporary_directory_path` is never used
[INFO] [stdout]    --> src/test_utils.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub fn get_temporary_directory_path() -> PathBuf {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/core.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 429 |         storage_id: StorageId,
[INFO] [stdout] 430 |     ) -> DatabaseResult<RefMut<StorageId, Mutex<DataStorage>>> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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] 430 |     ) -> DatabaseResult<RefMut<'_, StorageId, Mutex<DataStorage>>> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/data_storage/mmap_data_storage.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn do_read_row(&mut self, offset: usize) -> Result<Option<MetaAndKeyValue>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn do_read_row(&mut self, offset: usize) -> Result<Option<MetaAndKeyValue<'_>>> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/keydir.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, key: &Vec<u8>) -> Option<Ref<Vec<u8>, RowLocation>> {
[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] 67 |     pub fn get(&self, key: &Vec<u8>) -> Option<Ref<'_, Vec<u8>, RowLocation>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/keydir.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn iter(&self) -> KeyDirIterator {
[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] 79 |     pub fn iter(&self) -> KeyDirIterator<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.98s
[INFO] running `Command { std: "docker" "inspect" "4e31bda4102767bb33c814e9fd3893e6e47edc37ff6cc59110e33b3e5c32fdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e31bda4102767bb33c814e9fd3893e6e47edc37ff6cc59110e33b3e5c32fdc3", kill_on_drop: false }`
[INFO] [stdout] 4e31bda4102767bb33c814e9fd3893e6e47edc37ff6cc59110e33b3e5c32fdc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab14fd5a661ebf9bfd18166645774a322236d238d50502b8afdff5fb87188e3
[INFO] running `Command { std: "docker" "start" "-a" "8ab14fd5a661ebf9bfd18166645774a322236d238d50502b8afdff5fb87188e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling test-log-macros v0.2.19
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stderr]    Compiling test-log v0.2.19
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling bitcasky v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `tempfile::TempDir::into_path`: use TempDir::keep()
[INFO] [stdout]    --> src/test_utils.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     dir.into_path()
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `writing_storage_id` is never read
[INFO] [stdout]   --> src/database/core.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct StorageIds {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     pub stable_storage_ids: Vec<StorageId>,
[INFO] [stdout] 67 |     pub writing_storage_id: StorageId,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageIds` has a derived impl for the trait `Debug`, 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: method `rewind` is never used
[INFO] [stdout]   --> src/database/data_storage/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait DataStorageWriter {
[INFO] [stdout]    |           ----------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn rewind(&mut self) -> Result<()>;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `offset` is never used
[INFO] [stdout]   --> src/database/data_storage/mod.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait DataStorageReader {
[INFO] [stdout]    |           ----------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn offset(&self) -> usize;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/formatter/mod.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<K: AsRef<[u8]>, V: Deref<Target = [u8]>> RowToWrite<K, V> {
[INFO] [stdout]    | -------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 59 |     pub fn new(key: K, value: V) -> RowToWrite<K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Handle` is never used
[INFO] [stdout]   --> src/fs/mod.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Handle {}
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_type` and `storage_id` are never read
[INFO] [stdout]   --> src/fs/core.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct IdentifiedFile {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 14 |     pub file_type: FileType,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 15 |     pub file: File,
[INFO] [stdout] 16 |     pub storage_id: Option<StorageId>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestingKV` is never constructed
[INFO] [stdout]  --> src/test_utils.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TestingKV {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/test_utils.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TestingKV {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(k: &str, v: &str) -> TestingKV {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn new_expirable(k: &str, v: &str, expire_timestamp: u64) -> TestingKV {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn from_bytes(k: &[u8], v: &[u8]) -> TestingKV {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn key_ref(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn value_ref(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn key(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn value(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn expire_timestamp(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TestingOperator` is never used
[INFO] [stdout]   --> src/test_utils.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum TestingOperator {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestingOperation` is never constructed
[INFO] [stdout]   --> src/test_utils.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TestingOperation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `operator`, `key`, and `value` are never used
[INFO] [stdout]   --> src/test_utils.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl TestingOperation {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 71 |     pub fn operator(&self) -> &TestingOperator {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn key(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn value(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestingOperations` is never constructed
[INFO] [stdout]   --> src/test_utils.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct TestingOperations {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `operations` and `squash` are never used
[INFO] [stdout]   --> src/test_utils.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl TestingOperations {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 90 |     pub fn operations(&self) -> &Vec<TestingOperation> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn squash(&self) -> Vec<TestingOperation> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RandomTestingDataGenerator` is never constructed
[INFO] [stdout]    --> src/test_utils.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct RandomTestingDataGenerator {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `generate_testing_kvs`, `generate_testing_operations`, `generate_testing_kv`, `generate_testing_operation`, and `generate_write_operator` are never used
[INFO] [stdout]    --> src/test_utils.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl RandomTestingDataGenerator {
[INFO] [stdout]     | ------------------------------- associated items in this implementation
[INFO] [stdout] 126 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn generate_testing_kvs(&mut self, kvs_len: usize) -> Vec<TestingKV> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn generate_testing_operations(&mut self, operation_len: usize) -> TestingOperations {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn generate_testing_kv(&mut self) -> TestingKV {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn generate_testing_operation(&mut self) -> TestingOperation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn generate_write_operator(&mut self) -> TestingOperator {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_temporary_directory_path` is never used
[INFO] [stdout]    --> src/test_utils.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub fn get_temporary_directory_path() -> PathBuf {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/core.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 429 |         storage_id: StorageId,
[INFO] [stdout] 430 |     ) -> DatabaseResult<RefMut<StorageId, Mutex<DataStorage>>> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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] 430 |     ) -> DatabaseResult<RefMut<'_, StorageId, Mutex<DataStorage>>> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/data_storage/mmap_data_storage.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn do_read_row(&mut self, offset: usize) -> Result<Option<MetaAndKeyValue>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn do_read_row(&mut self, offset: usize) -> Result<Option<MetaAndKeyValue<'_>>> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/keydir.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, key: &Vec<u8>) -> Option<Ref<Vec<u8>, RowLocation>> {
[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] 67 |     pub fn get(&self, key: &Vec<u8>) -> Option<Ref<'_, Vec<u8>, RowLocation>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/keydir.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn iter(&self) -> KeyDirIterator {
[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] 79 |     pub fn iter(&self) -> KeyDirIterator<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tempfile::TempDir::into_path`: use TempDir::keep()
[INFO] [stdout]    --> src/test_utils.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     dir.into_path()
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `writing_storage_id` is never read
[INFO] [stdout]   --> src/database/core.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct StorageIds {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 66 |     pub stable_storage_ids: Vec<StorageId>,
[INFO] [stdout] 67 |     pub writing_storage_id: StorageId,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageIds` has a derived impl for the trait `Debug`, 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: trait `Handle` is never used
[INFO] [stdout]   --> src/fs/mod.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Handle {}
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_bytes`, `key_ref`, and `value_ref` are never used
[INFO] [stdout]   --> src/test_utils.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TestingKV {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn from_bytes(k: &[u8], v: &[u8]) -> TestingKV {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn key_ref(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn value_ref(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TestingOperator` is never used
[INFO] [stdout]   --> src/test_utils.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum TestingOperator {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestingOperation` is never constructed
[INFO] [stdout]   --> src/test_utils.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TestingOperation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `operator`, `key`, and `value` are never used
[INFO] [stdout]   --> src/test_utils.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl TestingOperation {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 71 |     pub fn operator(&self) -> &TestingOperator {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn key(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn value(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestingOperations` is never constructed
[INFO] [stdout]   --> src/test_utils.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct TestingOperations {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `operations` and `squash` are never used
[INFO] [stdout]   --> src/test_utils.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl TestingOperations {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 90 |     pub fn operations(&self) -> &Vec<TestingOperation> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn squash(&self) -> Vec<TestingOperation> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RandomTestingDataGenerator` is never constructed
[INFO] [stdout]    --> src/test_utils.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct RandomTestingDataGenerator {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `generate_testing_kvs`, `generate_testing_operations`, `generate_testing_kv`, `generate_testing_operation`, and `generate_write_operator` are never used
[INFO] [stdout]    --> src/test_utils.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl RandomTestingDataGenerator {
[INFO] [stdout]     | ------------------------------- associated items in this implementation
[INFO] [stdout] 126 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn generate_testing_kvs(&mut self, kvs_len: usize) -> Vec<TestingKV> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn generate_testing_operations(&mut self, operation_len: usize) -> TestingOperations {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn generate_testing_kv(&mut self) -> TestingKV {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn generate_testing_operation(&mut self) -> TestingOperation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn generate_write_operator(&mut self) -> TestingOperator {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/core.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 429 |         storage_id: StorageId,
[INFO] [stdout] 430 |     ) -> DatabaseResult<RefMut<StorageId, Mutex<DataStorage>>> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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] 430 |     ) -> DatabaseResult<RefMut<'_, StorageId, Mutex<DataStorage>>> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/data_storage/mmap_data_storage.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn do_read_row(&mut self, offset: usize) -> Result<Option<MetaAndKeyValue>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn do_read_row(&mut self, offset: usize) -> Result<Option<MetaAndKeyValue<'_>>> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/keydir.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, key: &Vec<u8>) -> Option<Ref<Vec<u8>, RowLocation>> {
[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] 67 |     pub fn get(&self, key: &Vec<u8>) -> Option<Ref<'_, Vec<u8>, RowLocation>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/keydir.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn iter(&self) -> KeyDirIterator {
[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] 79 |     pub fn iter(&self) -> KeyDirIterator<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.80s
[INFO] running `Command { std: "docker" "inspect" "8ab14fd5a661ebf9bfd18166645774a322236d238d50502b8afdff5fb87188e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab14fd5a661ebf9bfd18166645774a322236d238d50502b8afdff5fb87188e3", kill_on_drop: false }`
[INFO] [stdout] 8ab14fd5a661ebf9bfd18166645774a322236d238d50502b8afdff5fb87188e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 967c7ba971338fb185d9b4c60e52973b2d0e58aa1eb4ffeabb205c1f196530b2
[INFO] running `Command { std: "docker" "start" "-a" "967c7ba971338fb185d9b4c60e52973b2d0e58aa1eb4ffeabb205c1f196530b2", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `tempfile::TempDir::into_path`: use TempDir::keep()
[INFO] [stderr]    --> src/test_utils.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |     dir.into_path()
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `writing_storage_id` is never read
[INFO] [stderr]   --> src/database/core.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub struct StorageIds {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 66 |     pub stable_storage_ids: Vec<StorageId>,
[INFO] [stderr] 67 |     pub writing_storage_id: StorageId,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StorageIds` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `rewind` is never used
[INFO] [stderr]   --> src/database/data_storage/mod.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub trait DataStorageWriter {
[INFO] [stderr]    |           ----------------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 62 |     fn rewind(&mut self) -> Result<()>;
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `offset` is never used
[INFO] [stderr]   --> src/database/data_storage/mod.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub trait DataStorageReader {
[INFO] [stderr]    |           ----------------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 76 |     fn offset(&self) -> usize;
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/formatter/mod.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 58 | impl<K: AsRef<[u8]>, V: Deref<Target = [u8]>> RowToWrite<K, V> {
[INFO] [stderr]    | -------------------------------------------------------------- associated function in this implementation
[INFO] [stderr] 59 |     pub fn new(key: K, value: V) -> RowToWrite<K, V> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Handle` is never used
[INFO] [stderr]   --> src/fs/mod.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub trait Handle {}
[INFO] [stderr]    |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `file_type` and `storage_id` are never read
[INFO] [stderr]   --> src/fs/core.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct IdentifiedFile {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 14 |     pub file_type: FileType,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 15 |     pub file: File,
[INFO] [stderr] 16 |     pub storage_id: Option<StorageId>,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestingKV` is never constructed
[INFO] [stderr]  --> src/test_utils.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct TestingKV {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/test_utils.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl TestingKV {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 12 |     pub fn new(k: &str, v: &str) -> TestingKV {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn new_expirable(k: &str, v: &str, expire_timestamp: u64) -> TestingKV {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn from_bytes(k: &[u8], v: &[u8]) -> TestingKV {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn key_ref(&self) -> &Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn value_ref(&self) -> &Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn key(&self) -> Vec<u8> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn value(&self) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn expire_timestamp(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TestingOperator` is never used
[INFO] [stderr]   --> src/test_utils.rs:57:10
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub enum TestingOperator {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestingOperation` is never constructed
[INFO] [stderr]   --> src/test_utils.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub struct TestingOperation {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `operator`, `key`, and `value` are never used
[INFO] [stderr]   --> src/test_utils.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | impl TestingOperation {
[INFO] [stderr]    | --------------------- methods in this implementation
[INFO] [stderr] 71 |     pub fn operator(&self) -> &TestingOperator {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn key(&self) -> Vec<u8> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn value(&self) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestingOperations` is never constructed
[INFO] [stderr]   --> src/test_utils.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub struct TestingOperations {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `operations` and `squash` are never used
[INFO] [stderr]   --> src/test_utils.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl TestingOperations {
[INFO] [stderr]    | ---------------------- methods in this implementation
[INFO] [stderr] 90 |     pub fn operations(&self) -> &Vec<TestingOperation> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 94 |     pub fn squash(&self) -> Vec<TestingOperation> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RandomTestingDataGenerator` is never constructed
[INFO] [stderr]    --> src/test_utils.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub struct RandomTestingDataGenerator {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `generate_testing_kvs`, `generate_testing_operations`, `generate_testing_kv`, `generate_testing_operation`, and `generate_write_operator` are never used
[INFO] [stderr]    --> src/test_utils.rs:126:12
[INFO] [stderr]     |
[INFO] [stderr] 125 | impl RandomTestingDataGenerator {
[INFO] [stderr]     | ------------------------------- associated items in this implementation
[INFO] [stderr] 126 |     pub fn new(
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 139 |     pub fn generate_testing_kvs(&mut self, kvs_len: usize) -> Vec<TestingKV> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 145 |     pub fn generate_testing_operations(&mut self, operation_len: usize) -> TestingOperations {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |     pub fn generate_testing_kv(&mut self) -> TestingKV {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 162 |     pub fn generate_testing_operation(&mut self) -> TestingOperation {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 171 |     pub fn generate_write_operator(&mut self) -> TestingOperator {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_temporary_directory_path` is never used
[INFO] [stderr]    --> src/test_utils.rs:180:8
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub fn get_temporary_directory_path() -> PathBuf {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/database/core.rs:428:9
[INFO] [stderr]     |
[INFO] [stderr] 428 |         &self,
[INFO] [stderr]     |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 429 |         storage_id: StorageId,
[INFO] [stderr] 430 |     ) -> DatabaseResult<RefMut<StorageId, Mutex<DataStorage>>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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] 430 |     ) -> DatabaseResult<RefMut<'_, StorageId, Mutex<DataStorage>>> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/database/data_storage/mmap_data_storage.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn do_read_row(&mut self, offset: usize) -> Result<Option<MetaAndKeyValue>> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn do_read_row(&mut self, offset: usize) -> Result<Option<MetaAndKeyValue<'_>>> {
[INFO] [stderr]     |                                                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/keydir.rs:67:16
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn get(&self, key: &Vec<u8>) -> Option<Ref<Vec<u8>, RowLocation>> {
[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] 67 |     pub fn get(&self, key: &Vec<u8>) -> Option<Ref<'_, Vec<u8>, RowLocation>> {
[INFO] [stderr]    |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/keydir.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn iter(&self) -> KeyDirIterator {
[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] 79 |     pub fn iter(&self) -> KeyDirIterator<'_> {
[INFO] [stderr]    |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcasky` (lib) generated 21 warnings (run `cargo fix --lib -p bitcasky` to apply 4 suggestions)
[INFO] [stderr] warning: associated items `from_bytes`, `key_ref`, and `value_ref` are never used
[INFO] [stderr]   --> src/test_utils.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl TestingKV {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn from_bytes(k: &[u8], v: &[u8]) -> TestingKV {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn key_ref(&self) -> &Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn value_ref(&self) -> &Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcasky` (lib test) generated 15 warnings (14 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bitcasky-3123386a83d9c777)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test database::core::database_tests::test_add_dead_bytes ... ok
[INFO] [stdout] test database::core::database_tests::test_read_write_with_stable_files ... ok
[INFO] [stdout] test database::core::database_tests::test_read_write_writing_file ... ok
[INFO] [stdout] test database::core::database_tests::test_recovery_from_crc_failed ... ok
[INFO] [stdout] test database::core::database_tests::test_recovery_from_header_not_fully_written ... ok
[INFO] [stdout] test database::core::database_tests::test_read_write_expirable_value_in_writing_file ... ok
[INFO] [stdout] test database::data_storage::mmap_data_storage::tests::test_read_write_expired_value ... ok
[INFO] [stdout] test database::data_storage::mmap_data_storage::tests::test_read_write_immotal_value ... ok
[INFO] [stdout] test database::data_storage::mmap_data_storage::tests::test_read_next_expired_row ... ok
[INFO] [stdout] test database::data_storage::mmap_data_storage::tests::test_read_next_immortal_row ... ok
[INFO] [stdout] test database::data_storage::mmap_data_storage::tests::test_rewind ... ok
[INFO] [stdout] test database::hint::tests::test_read_write_hint_file ... ok
[INFO] [stdout] test database::tests::test_create_file ... ok
[INFO] [stdout] test database::data_storage::mmap_data_storage::tests::test_write_overflow ... ok
[INFO] [stdout] test database::core::database_tests::test_recovery_from_key_value_not_fully_written ... ok
[INFO] [stdout] test formatter::formatter_v1::tests::test_encode_decode_row_hint ... ok
[INFO] [stdout] test database::core::database_tests::test_read_write_expirable_value_in_stable_files ... ok
[INFO] [stdout] test formatter::tests::test_formatter_v1_file ... ok
[INFO] [stdout] test database::core::database_tests::test_recovery ... ok
[INFO] [stdout] test database::core::database_tests::test_wrap_file ... ok
[INFO] [stdout] test fs::core::tests::test_change_storage_id ... ok
[INFO] [stdout] test database::hint::tests::test_read_write_stable_data_file ... ok
[INFO] [stdout] test formatter::formatter_v1::tests::test_encode_decode_merge_meta ... ok
[INFO] [stdout] test formatter::formatter_v1::tests::test_encode_decode_row ... ok
[INFO] [stdout] test fs::core::tests::test_commit_file ... ok
[INFO] [stdout] test formatter::tests::test_invalid_magic_word ... ok
[INFO] [stdout] test fs::core::tests::test_create_dir ... ok
[INFO] [stdout] test database::data_storage::mmap_data_storage::tests::test_expand_file_size ... ok
[INFO] [stdout] test formatter::tests::test_read_file_header_failed ... ok
[INFO] [stdout] test formatter::tests::test_unknown_formatter_version ... ok
[INFO] [stdout] test fs::core::tests::test_is_empty_dir ... ok
[INFO] [stdout] test merge::core::tests::test_create_merge_file_dir ... ok
[INFO] [stdout] test fs::core::tests::test_create_file ... ok
[INFO] [stdout] test fs::core::tests::test_open_file ... ok
[INFO] [stdout] test fs::core::tests::test_delete_file ... ok
[INFO] [stdout] test fs::file_type::tests::test_file_type ... ok
[INFO] [stdout] test fs::core::tests::test_delete_dir ... ok
[INFO] [stdout] test merge::core::tests::test_commit_merge_files ... ok
[INFO] [stdout] test merge::core::tests::test_read_write_merge_meta ... ok
[INFO] [stdout] test fs::core::tests::test_get_storage_ids_in_dir ... ok
[INFO] [stdout] test storage_id::tests::test_generate_id ... ok
[INFO] [stdout] test storage_id::tests::test_update_storage_id ... ok
[INFO] [stdout] test merge::core::tests::test_recover_merge_with_only_merge_meta ... ok
[INFO] [stdout] test merge::core::tests::test_recover_merge_with_invalid_merge_meta ... ok
[INFO] [stdout] test merge::core::tests::test_recover_merge ... ok
[INFO] [stdout] test merge::core::tests::test_load_merged_files ... ok
[INFO] [stdout] test merge::core::tests::test_recover_merge_failed_with_unexpeded_error ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- merge::core::tests::test_recover_merge_failed_with_unexpeded_error stdout ----
[INFO] [stdout] [INFO  Database] database opened at directory: "/tmp/.tmphoXwwM", with 0 data files
[INFO] [stdout] [INFO  Database] stopping sync worker
[INFO] [stdout] [INFO  Database] database on directory: "/tmp/.tmphoXwwM" closed
[INFO] [stdout] [INFO  Database] database opened at directory: "/tmp/.tmphoXwwM/Merge", with 0 data files
[INFO] [stdout] [INFO  Database] stopping sync worker
[INFO] [stdout] [INFO  Database] database on directory: "/tmp/.tmphoXwwM/Merge" closed
[INFO] [stdout] [INFO  StorageIdGenerator] update storage id to 3
[INFO] [stdout] 
[INFO] [stdout] thread 'merge::core::tests::test_recover_merge_failed_with_unexpeded_error' (99) panicked at src/merge/core.rs:682:9:
[INFO] [stdout] assertion failed: ret.is_err()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b07a7c725da - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b07a7c725da - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b07a7c725da - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b07a7c725da - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b07a7c8821a - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b07a7c8821a - core[786f478f706679df]::fmt::write
[INFO] [stdout]    6:     0x5b07a7c78802 - std[f92b4c606f291077]::io::default_write_fmt::<alloc[64763625b5a07cdb]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b07a7c78802 - <alloc[64763625b5a07cdb]::vec::Vec<u8> as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5b07a7c4f49f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b07a7c4f49f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b07a7c69d39 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b07a7bb57cc - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5b07a7bb57cc - test[20e1f0ae6cad7a17]::test_main_with_exit_callback::<test[20e1f0ae6cad7a17]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b07a7c69ef2 - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5b07a7c69ef2 - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b07a7c4f58a - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5b07a7c46d59 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b07a7c503bd - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b07a7c88a0c - core[786f478f706679df]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b07a7c889d2 - core[786f478f706679df]::panicking::panic
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5b07a7b1eaf5 - bitcasky[37e33ac2a36253fa]::merge::core::tests::test_recover_merge_failed_with_unexpeded_error
[INFO] [stdout]                                at /opt/rustwide/workdir/src/merge/core.rs:682:9
[INFO] [stdout]   21:     0x5b07a7b0f7b7 - bitcasky[37e33ac2a36253fa]::merge::core::tests::test_recover_merge_failed_with_unexpeded_error::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/merge/core.rs:644:56
[INFO] [stdout]   22:     0x5b07a7b9f786 - <bitcasky[37e33ac2a36253fa]::merge::core::tests::test_recover_merge_failed_with_unexpeded_error::{closure#0} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5b07a7ba98ab - <fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b07a7ba98ab - test[20e1f0ae6cad7a17]::__rust_begin_short_backtrace::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5b07a7bb629b - test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5b07a7bb629b - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5b07a7bb629b - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5b07a7bb629b - std[f92b4c606f291077]::panicking::catch_unwind::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5b07a7bb629b - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5b07a7bb629b - test[20e1f0ae6cad7a17]::run_test_in_process
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5b07a7bb629b - test[20e1f0ae6cad7a17]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5b07a7bb19b4 - test[20e1f0ae6cad7a17]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5b07a7bb19b4 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5b07a7bb8ea2 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x5b07a7bb8ea2 - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5b07a7bb8ea2 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5b07a7bb8ea2 - std[f92b4c606f291077]::panicking::catch_unwind::<(), core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5b07a7bb8ea2 - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5b07a7bb8ea2 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x5b07a7bb8ea2 - <std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5b07a7c71ebf - <alloc[64763625b5a07cdb]::boxed::Box<dyn core[786f478f706679df]::ops::function::FnOnce<(), Output = ()> + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   42:     0x5b07a7c71ebf - <std[f92b4c606f291077]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x7852f44aeaa4 - <unknown>
[INFO] [stdout]   44:     0x7852f453ba64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     merge::core::tests::test_recover_merge_failed_with_unexpeded_error
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 46 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "967c7ba971338fb185d9b4c60e52973b2d0e58aa1eb4ffeabb205c1f196530b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967c7ba971338fb185d9b4c60e52973b2d0e58aa1eb4ffeabb205c1f196530b2", kill_on_drop: false }`
[INFO] [stdout] 967c7ba971338fb185d9b4c60e52973b2d0e58aa1eb4ffeabb205c1f196530b2
