[INFO] cloning repository https://github.com/beersonthewall/TurtleDB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beersonthewall/TurtleDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeersonthewall%2FTurtleDB", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeersonthewall%2FTurtleDB'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03283635198b08f205af62880fcd7c3a6e628124
[INFO] checking beersonthewall/TurtleDB against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeersonthewall%2FTurtleDB" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beersonthewall/TurtleDB on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beersonthewall/TurtleDB
[INFO] finished tweaking git repo https://github.com/beersonthewall/TurtleDB
[INFO] tweaked toml for git repo https://github.com/beersonthewall/TurtleDB written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/beersonthewall/TurtleDB already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a0457b3d2532e0d4798d90777768e5258b3422619e25ab38d7750b4c0c10e52
[INFO] running `Command { std: "docker" "start" "-a" "5a0457b3d2532e0d4798d90777768e5258b3422619e25ab38d7750b4c0c10e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a0457b3d2532e0d4798d90777768e5258b3422619e25ab38d7750b4c0c10e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0457b3d2532e0d4798d90777768e5258b3422619e25ab38d7750b4c0c10e52", kill_on_drop: false }`
[INFO] [stdout] 5a0457b3d2532e0d4798d90777768e5258b3422619e25ab38d7750b4c0c10e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 564d47c48bbf6bbb20182f6606ffad6dbda99b1304603b47b671d4cf4a80416d
[INFO] running `Command { std: "docker" "start" "-a" "564d47c48bbf6bbb20182f6606ffad6dbda99b1304603b47b671d4cf4a80416d", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking TurtleDB v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]   --> src/storage/disk.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     files: RwLock<HashMap<FileKey, Mutex<File>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/storage/disk.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     counter: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_block`
[INFO] [stdout]   --> src/storage/disk.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(in crate::storage) fn read_block(
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_block`
[INFO] [stdout]   --> src/storage/disk.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(in crate::storage) fn write_block(
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_file`
[INFO] [stdout]   --> src/storage/disk.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn open_file(&mut self, filename: PathBuf) -> Result<FileKey> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocks`
[INFO] [stdout]  --> src/storage/pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     blocks: Vec<Block>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_free_block`
[INFO] [stdout]   --> src/storage/pool.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(in crate::storage) fn get_free_block(&mut self) -> Option<Block> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free_block`
[INFO] [stdout]   --> src/storage/pool.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(in crate::storage) fn free_block(&mut self, block: Block) {
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PageId`
[INFO] [stdout]   --> src/storage/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type PageId = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_pool`
[INFO] [stdout]   --> src/storage/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     buffer_pool: BufferPool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disk_manager`
[INFO] [stdout]   --> src/storage/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     disk_manager: DiskManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_data_directory`
[INFO] [stdout]   --> src/storage/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn init_data_directory(&mut self, data_dir: PathBuf) -> FileKey {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `storage`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     storage: StorageEngine,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]   --> src/storage/disk.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     files: RwLock<HashMap<FileKey, Mutex<File>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/storage/disk.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     counter: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_block`
[INFO] [stdout]   --> src/storage/disk.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(in crate::storage) fn read_block(
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_block`
[INFO] [stdout]   --> src/storage/disk.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(in crate::storage) fn write_block(
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_file`
[INFO] [stdout]   --> src/storage/disk.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn open_file(&mut self, filename: PathBuf) -> Result<FileKey> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocks`
[INFO] [stdout]  --> src/storage/pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     blocks: Vec<Block>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_free_block`
[INFO] [stdout]   --> src/storage/pool.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(in crate::storage) fn get_free_block(&mut self) -> Option<Block> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free_block`
[INFO] [stdout]   --> src/storage/pool.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(in crate::storage) fn free_block(&mut self, block: Block) {
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PageId`
[INFO] [stdout]   --> src/storage/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type PageId = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_pool`
[INFO] [stdout]   --> src/storage/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     buffer_pool: BufferPool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disk_manager`
[INFO] [stdout]   --> src/storage/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     disk_manager: DiskManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_data_directory`
[INFO] [stdout]   --> src/storage/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn init_data_directory(&mut self, data_dir: PathBuf) -> FileKey {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `storage`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     storage: StorageEngine,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking TurtleDB v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]   --> src/storage/disk.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     files: RwLock<HashMap<FileKey, Mutex<File>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/storage/disk.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     counter: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_block`
[INFO] [stdout]   --> src/storage/disk.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(in crate::storage) fn read_block(
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_block`
[INFO] [stdout]   --> src/storage/disk.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(in crate::storage) fn write_block(
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_file`
[INFO] [stdout]   --> src/storage/disk.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn open_file(&mut self, filename: PathBuf) -> Result<FileKey> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocks`
[INFO] [stdout]  --> src/storage/pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     blocks: Vec<Block>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_free_block`
[INFO] [stdout]   --> src/storage/pool.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(in crate::storage) fn get_free_block(&mut self) -> Option<Block> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free_block`
[INFO] [stdout]   --> src/storage/pool.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(in crate::storage) fn free_block(&mut self, block: Block) {
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PageId`
[INFO] [stdout]   --> src/storage/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type PageId = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_pool`
[INFO] [stdout]   --> src/storage/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     buffer_pool: BufferPool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disk_manager`
[INFO] [stdout]   --> src/storage/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     disk_manager: DiskManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_data_directory`
[INFO] [stdout]   --> src/storage/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn init_data_directory(&mut self, data_dir: PathBuf) -> FileKey {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `storage`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     storage: StorageEngine,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]   --> src/storage/disk.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     files: RwLock<HashMap<FileKey, Mutex<File>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/storage/disk.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     counter: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_block`
[INFO] [stdout]   --> src/storage/disk.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(in crate::storage) fn read_block(
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_block`
[INFO] [stdout]   --> src/storage/disk.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub(in crate::storage) fn write_block(
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_file`
[INFO] [stdout]   --> src/storage/disk.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn open_file(&mut self, filename: PathBuf) -> Result<FileKey> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocks`
[INFO] [stdout]  --> src/storage/pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     blocks: Vec<Block>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_free_block`
[INFO] [stdout]   --> src/storage/pool.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(in crate::storage) fn get_free_block(&mut self) -> Option<Block> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free_block`
[INFO] [stdout]   --> src/storage/pool.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(in crate::storage) fn free_block(&mut self, block: Block) {
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PageId`
[INFO] [stdout]   --> src/storage/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type PageId = u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_pool`
[INFO] [stdout]   --> src/storage/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     buffer_pool: BufferPool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disk_manager`
[INFO] [stdout]   --> src/storage/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     disk_manager: DiskManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_data_directory`
[INFO] [stdout]   --> src/storage/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn init_data_directory(&mut self, data_dir: PathBuf) -> FileKey {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `storage`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     storage: StorageEngine,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "564d47c48bbf6bbb20182f6606ffad6dbda99b1304603b47b671d4cf4a80416d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564d47c48bbf6bbb20182f6606ffad6dbda99b1304603b47b671d4cf4a80416d", kill_on_drop: false }`
[INFO] [stdout] 564d47c48bbf6bbb20182f6606ffad6dbda99b1304603b47b671d4cf4a80416d