[INFO] cloning repository https://github.com/liamwhite/dash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liamwhite/dash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamwhite%2Fdash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamwhite%2Fdash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 817a4294140033f7488caaa131ea8e5d995f573a
[INFO] checking liamwhite/dash against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamwhite%2Fdash" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liamwhite/dash on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liamwhite/dash
[INFO] finished tweaking git repo https://github.com/liamwhite/dash
[INFO] tweaked toml for git repo https://github.com/liamwhite/dash written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/liamwhite/dash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09e75441d62726d51d5f3a519a974206dec519f44136cde94f4c9bddcb888d00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09e75441d62726d51d5f3a519a974206dec519f44136cde94f4c9bddcb888d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09e75441d62726d51d5f3a519a974206dec519f44136cde94f4c9bddcb888d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e75441d62726d51d5f3a519a974206dec519f44136cde94f4c9bddcb888d00", kill_on_drop: false }`
[INFO] [stdout] 09e75441d62726d51d5f3a519a974206dec519f44136cde94f4c9bddcb888d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b35eea078b2cfb884a4bf6f8715cda94c10f1d9ff517f06af92a8b6e6f666b00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b35eea078b2cfb884a4bf6f8715cda94c10f1d9ff517f06af92a8b6e6f666b00", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde-big-array v0.3.0
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking dash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Drop`
[INFO] [stdout]  --> src/database/memory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Drop`
[INFO] [stdout]  --> src/database/memory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/database/wal.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let position = self.file.seek(SeekFrom::Start(offset))?;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/database/transaction.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |         if let Some(list) = self.file_events.get(&file) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_ref`
[INFO] [stdout]    --> src/database/transaction.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |         if let Some(file_ref) = self.files.get(&file) {
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/database/transaction.rs:145:47
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn file_exists_for_transaction(&mut self, txn: TransactionId, file: FileId) -> Result<bool> {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/database/transaction.rs:162:47
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn page_exists_for_transaction(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<bool> {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/database/transaction.rs:162:67
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn page_exists_for_transaction(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<bool> {
[INFO] [stdout]     |                                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/database/transaction.rs:162:81
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn page_exists_for_transaction(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<bool> {
[INFO] [stdout]     |                                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/database/transaction.rs:166:44
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_page_from_undo_cache(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Option<[u8; 4096]> {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/database/transaction.rs:166:64
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_page_from_undo_cache(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Option<[u8; 4096]> {
[INFO] [stdout]     |                                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/database/transaction.rs:166:78
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_page_from_undo_cache(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Option<[u8; 4096]> {
[INFO] [stdout]     |                                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]  --> src/database/checkpoint.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn apply_wal_event(event: &WalEvent, manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]  --> src/database/checkpoint.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn apply_wal_event(event: &WalEvent, manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]   |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]   --> src/database/checkpoint.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn checkpoint_step(manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]   --> src/database/checkpoint.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn crash_recover(manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/database/wal.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Result<T> = std::result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `WalOffset`
[INFO] [stdout]   --> src/database/wal.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type WalOffset = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WalReference`
[INFO] [stdout]   --> src/database/wal.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct WalReference {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/database/wal.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(path: &String) -> Result<WalReference> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `modify_page`
[INFO] [stdout]   --> src/database/wal.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn modify_page(&mut self, transaction_id: u64, file_id: u64, page_id: u64, undo: &[u8; 4096], redo: &[u8; 4096]) -> Result<WalOff...
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `commit_transaction`
[INFO] [stdout]   --> src/database/wal.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn commit_transaction(&mut self, transaction_id: u64) -> Result<WalOffset> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort_transaction`
[INFO] [stdout]   --> src/database/wal.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn abort_transaction(&mut self, transaction_id: u64) -> Result<WalOffset> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extend_file`
[INFO] [stdout]   --> src/database/wal.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn extend_file(&mut self, transaction_id: u64, file_id: u64, extend_amt: i64) -> Result<WalOffset> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_file`
[INFO] [stdout]    --> src/database/wal.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn create_file(&mut self, transaction_id: u64, file_id: u64) -> Result<WalOffset> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_file`
[INFO] [stdout]    --> src/database/wal.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn delete_file(&mut self, transaction_id: u64, file_id: u64) -> Result<WalOffset> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_entry`
[INFO] [stdout]    --> src/database/wal.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn read_entry(&mut self, offset: WalOffset) -> Result<WalEvent> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `truncate`
[INFO] [stdout]    --> src/database/wal.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn truncate(&mut self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/database/transaction.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result<T> = std::result::Result<T, Box<dyn Error>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TransactionId`
[INFO] [stdout]   --> src/database/transaction.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type TransactionId = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionWalOffset`
[INFO] [stdout]   --> src/database/transaction.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct TransactionWalOffset {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionManager`
[INFO] [stdout]   --> src/database/transaction.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct TransactionManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/database/transaction.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new(base_path: &String) -> Result<TransactionManager> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `begin_transaction`
[INFO] [stdout]   --> src/database/transaction.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn begin_transaction(&mut self) -> Result<TransactionId> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_page`
[INFO] [stdout]    --> src/database/transaction.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn read_page(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<[u8; 4096]> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_page`
[INFO] [stdout]    --> src/database/transaction.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn write_page(&mut self, txn: TransactionId, file: FileId, offset: PageId, new_page: &[u8; 4096]) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wal`
[INFO] [stdout]    --> src/database/transaction.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn wal(&mut self) -> &mut WalReference {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_exists_for_transaction`
[INFO] [stdout]    --> src/database/transaction.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn file_exists_for_transaction(&mut self, txn: TransactionId, file: FileId) -> Result<bool> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `page_exists_for_transaction`
[INFO] [stdout]    --> src/database/transaction.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn page_exists_for_transaction(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<bool> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_page_from_undo_cache`
[INFO] [stdout]    --> src/database/transaction.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_page_from_undo_cache(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Option<[u8; 4096]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_page_from_file`
[INFO] [stdout]    --> src/database/transaction.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn get_page_from_file(&mut self, file: FileId, offset: PageId) -> Result<[u8; 4096]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_redo_page_from_wal_event`
[INFO] [stdout]    --> src/database/transaction.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn get_redo_page_from_wal_event(&mut self, wal_offset: WalOffset) -> Result<[u8; 4096]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_page_event`
[INFO] [stdout]    --> src/database/transaction.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn add_page_event(&mut self, txn: TransactionId, file: FileId, offset: PageId, wal_offset: WalOffset) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_event_to_transaction_list`
[INFO] [stdout]    --> src/database/transaction.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn add_event_to_transaction_list(&mut self, txn: TransactionId, wal_offset: WalOffset) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/database/checkpoint.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Result<T> = std::result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `apply_wal_event`
[INFO] [stdout]  --> src/database/checkpoint.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn apply_wal_event(event: &WalEvent, manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `checkpoint_step`
[INFO] [stdout]   --> src/database/checkpoint.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn checkpoint_step(manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `crash_recover`
[INFO] [stdout]   --> src/database/checkpoint.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn crash_recover(manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/database/memory.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Result<T> = std::result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MemoryProxy`
[INFO] [stdout]  --> src/database/memory.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct MemoryProxy<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/database/memory.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(txn: TransactionId, file: FileId, manager: &'a mut TransactionManager) -> MemoryProxy<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_aligned`
[INFO] [stdout]   --> src/database/memory.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn read_aligned(&mut self, address: usize, size: usize) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/database/wal.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let position = self.file.seek(SeekFrom::Start(offset))?;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/database/transaction.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |         if let Some(list) = self.file_events.get(&file) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_ref`
[INFO] [stdout]    --> src/database/transaction.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |         if let Some(file_ref) = self.files.get(&file) {
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/database/transaction.rs:145:47
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn file_exists_for_transaction(&mut self, txn: TransactionId, file: FileId) -> Result<bool> {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/database/transaction.rs:162:47
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn page_exists_for_transaction(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<bool> {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/database/transaction.rs:162:67
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn page_exists_for_transaction(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<bool> {
[INFO] [stdout]     |                                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/database/transaction.rs:162:81
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn page_exists_for_transaction(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<bool> {
[INFO] [stdout]     |                                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]    --> src/database/transaction.rs:166:44
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_page_from_undo_cache(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Option<[u8; 4096]> {
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/database/transaction.rs:166:64
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_page_from_undo_cache(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Option<[u8; 4096]> {
[INFO] [stdout]     |                                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/database/transaction.rs:166:78
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_page_from_undo_cache(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Option<[u8; 4096]> {
[INFO] [stdout]     |                                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]  --> src/database/checkpoint.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn apply_wal_event(event: &WalEvent, manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]  --> src/database/checkpoint.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn apply_wal_event(event: &WalEvent, manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]   |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]   --> src/database/checkpoint.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn checkpoint_step(manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]   --> src/database/checkpoint.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn crash_recover(manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/database/wal.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Result<T> = std::result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `WalOffset`
[INFO] [stdout]   --> src/database/wal.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type WalOffset = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WalReference`
[INFO] [stdout]   --> src/database/wal.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct WalReference {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/database/wal.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn new(path: &String) -> Result<WalReference> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `modify_page`
[INFO] [stdout]   --> src/database/wal.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn modify_page(&mut self, transaction_id: u64, file_id: u64, page_id: u64, undo: &[u8; 4096], redo: &[u8; 4096]) -> Result<WalOff...
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `commit_transaction`
[INFO] [stdout]   --> src/database/wal.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn commit_transaction(&mut self, transaction_id: u64) -> Result<WalOffset> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort_transaction`
[INFO] [stdout]   --> src/database/wal.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn abort_transaction(&mut self, transaction_id: u64) -> Result<WalOffset> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extend_file`
[INFO] [stdout]   --> src/database/wal.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn extend_file(&mut self, transaction_id: u64, file_id: u64, extend_amt: i64) -> Result<WalOffset> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_file`
[INFO] [stdout]    --> src/database/wal.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn create_file(&mut self, transaction_id: u64, file_id: u64) -> Result<WalOffset> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_file`
[INFO] [stdout]    --> src/database/wal.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn delete_file(&mut self, transaction_id: u64, file_id: u64) -> Result<WalOffset> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_entry`
[INFO] [stdout]    --> src/database/wal.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn read_entry(&mut self, offset: WalOffset) -> Result<WalEvent> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `truncate`
[INFO] [stdout]    --> src/database/wal.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn truncate(&mut self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/database/transaction.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result<T> = std::result::Result<T, Box<dyn Error>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TransactionId`
[INFO] [stdout]   --> src/database/transaction.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type TransactionId = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionWalOffset`
[INFO] [stdout]   --> src/database/transaction.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct TransactionWalOffset {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TransactionManager`
[INFO] [stdout]   --> src/database/transaction.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct TransactionManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/database/transaction.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new(base_path: &String) -> Result<TransactionManager> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `begin_transaction`
[INFO] [stdout]   --> src/database/transaction.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn begin_transaction(&mut self) -> Result<TransactionId> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_page`
[INFO] [stdout]    --> src/database/transaction.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn read_page(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<[u8; 4096]> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_page`
[INFO] [stdout]    --> src/database/transaction.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn write_page(&mut self, txn: TransactionId, file: FileId, offset: PageId, new_page: &[u8; 4096]) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wal`
[INFO] [stdout]    --> src/database/transaction.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn wal(&mut self) -> &mut WalReference {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_exists_for_transaction`
[INFO] [stdout]    --> src/database/transaction.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn file_exists_for_transaction(&mut self, txn: TransactionId, file: FileId) -> Result<bool> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `page_exists_for_transaction`
[INFO] [stdout]    --> src/database/transaction.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn page_exists_for_transaction(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Result<bool> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_page_from_undo_cache`
[INFO] [stdout]    --> src/database/transaction.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_page_from_undo_cache(&mut self, txn: TransactionId, file: FileId, offset: PageId) -> Option<[u8; 4096]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_page_from_file`
[INFO] [stdout]    --> src/database/transaction.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn get_page_from_file(&mut self, file: FileId, offset: PageId) -> Result<[u8; 4096]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_redo_page_from_wal_event`
[INFO] [stdout]    --> src/database/transaction.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn get_redo_page_from_wal_event(&mut self, wal_offset: WalOffset) -> Result<[u8; 4096]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_page_event`
[INFO] [stdout]    --> src/database/transaction.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn add_page_event(&mut self, txn: TransactionId, file: FileId, offset: PageId, wal_offset: WalOffset) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_event_to_transaction_list`
[INFO] [stdout]    --> src/database/transaction.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn add_event_to_transaction_list(&mut self, txn: TransactionId, wal_offset: WalOffset) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/database/checkpoint.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Result<T> = std::result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `apply_wal_event`
[INFO] [stdout]  --> src/database/checkpoint.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn apply_wal_event(event: &WalEvent, manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `checkpoint_step`
[INFO] [stdout]   --> src/database/checkpoint.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn checkpoint_step(manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `crash_recover`
[INFO] [stdout]   --> src/database/checkpoint.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn crash_recover(manager: &mut TransactionManager) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/database/memory.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Result<T> = std::result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MemoryProxy`
[INFO] [stdout]  --> src/database/memory.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct MemoryProxy<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/database/memory.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(txn: TransactionId, file: FileId, manager: &'a mut TransactionManager) -> MemoryProxy<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_aligned`
[INFO] [stdout]   --> src/database/memory.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn read_aligned(&mut self, address: usize, size: usize) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.40s
[INFO] running `Command { std: "docker" "inspect" "b35eea078b2cfb884a4bf6f8715cda94c10f1d9ff517f06af92a8b6e6f666b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35eea078b2cfb884a4bf6f8715cda94c10f1d9ff517f06af92a8b6e6f666b00", kill_on_drop: false }`
[INFO] [stdout] b35eea078b2cfb884a4bf6f8715cda94c10f1d9ff517f06af92a8b6e6f666b00