[INFO] cloning repository https://github.com/dust1/relationaldb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dust1/relationaldb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdust1%2Frelationaldb-rs", kill_on_drop: false }`
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[INFO] [stdout] 8b9d7cabb7accd40eadb30d94e2f5fc2ee777fea
[INFO] building dust1/relationaldb-rs against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdust1%2Frelationaldb-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/dust1/relationaldb-rs
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[INFO] validating manifest of git repo https://github.com/dust1/relationaldb-rs on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
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[INFO] crate git repo https://github.com/dust1/relationaldb-rs already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `PoolManager::fetch_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn fetch_page(&mut self, page_id: usize) -> Option<Arc<Mutex<BufferPoolCache>>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `PoolManager::fetch_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `PoolManager::new_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new_page(&mut self) -> Arc<Mutex<BufferPoolCache>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `PoolManager::new_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `<BufferPoolManager as PoolManager>::fetch_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn fetch_page(&mut self, page_id: usize) -> Option<Arc<Mutex<BufferPoolCache>>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `<BufferPoolManager as PoolManager>::fetch_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `<BufferPoolManager as PoolManager>::new_page`
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn new_page(&mut self) -> Arc<Mutex<BufferPoolCache>> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `<BufferPoolManager as PoolManager>::new_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout]   8 | struct BufferPoolCache {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/storage/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const PAGE_SIZE: usize = 1024 * 4;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClockReplacer` is never constructed
[INFO] [stdout]  --> src/storage/clock_replacer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ClockReplacer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `un_pin`, `pin`, `victim`, and `size` are never used
[INFO] [stdout]   --> src/storage/clock_replacer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ClockReplacer {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(num_pages: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn un_pin(&mut self, frame_id: usize) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn pin(&mut self, frame_id: usize) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn victim(&mut self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DiskManager` is never used
[INFO] [stdout]   --> src/storage/disk_manager.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait DiskManager {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageDevice` is never constructed
[INFO] [stdout]   --> src/storage/disk_manager.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct PageDevice {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `open` is never used
[INFO] [stdout]   --> src/storage/disk_manager.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl PageDevice {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn open(dir: &Path) -> Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPoolCache` is never constructed
[INFO] [stdout]  --> src/storage/buffer_pool_manager.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct BufferPoolCache {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPoolManager` is never constructed
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct BufferPoolManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PoolManager` is never used
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait PoolManager {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `allocate_page`, `deallocate_page`, `validate_page_id`, and `check_queue` are never used
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BufferPoolManager {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 40 |     pub fn new(pool_size: usize, disk_manager: Arc<dyn DiskManager>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn allocate_page(&mut self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn deallocate_page(&mut self, _page_id: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn validate_page_id(&self, page_id: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn check_queue(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create`, `read`, and `sync` are never used
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl BufferPoolCache {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 145 |
[INFO] [stdout] 146 |     pub fn create(page_id: usize, disk_manager: Arc<dyn DiskManager>) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn read(page_id: usize, disk_manager: Arc<dyn DiskManager>) -> Option<Self> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn sync(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         disk_manager.write_page(page_id, &page_data);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let _ = disk_manager.write_page(page_id, &page_data);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             self.disk_manager.write_page(self.page_id, &self.cache);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             let _ = self.disk_manager.write_page(self.page_id, &self.cache);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "1ec7aa9c0f8e6b23d520573dc9a0002731f0c6c5f16fc5043ff13da6b48da9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec7aa9c0f8e6b23d520573dc9a0002731f0c6c5f16fc5043ff13da6b48da9c8", kill_on_drop: false }`
[INFO] [stdout] 1ec7aa9c0f8e6b23d520573dc9a0002731f0c6c5f16fc5043ff13da6b48da9c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2565f8f0787b503aab3e26b1f7bed0db1e8d4dfb1fd02b903c70ce1a03170131
[INFO] running `Command { std: "docker" "start" "-a" "2565f8f0787b503aab3e26b1f7bed0db1e8d4dfb1fd02b903c70ce1a03170131", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `PoolManager::fetch_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn fetch_page(&mut self, page_id: usize) -> Option<Arc<Mutex<BufferPoolCache>>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `PoolManager::fetch_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `PoolManager::new_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new_page(&mut self) -> Arc<Mutex<BufferPoolCache>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `PoolManager::new_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `<BufferPoolManager as PoolManager>::fetch_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn fetch_page(&mut self, page_id: usize) -> Option<Arc<Mutex<BufferPoolCache>>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `<BufferPoolManager as PoolManager>::fetch_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `<BufferPoolManager as PoolManager>::new_page`
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn new_page(&mut self) -> Arc<Mutex<BufferPoolCache>> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `<BufferPoolManager as PoolManager>::new_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout]   8 | struct BufferPoolCache {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/storage/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const PAGE_SIZE: usize = 1024 * 4;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClockReplacer` is never constructed
[INFO] [stdout]  --> src/storage/clock_replacer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ClockReplacer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `un_pin`, `pin`, `victim`, and `size` are never used
[INFO] [stdout]   --> src/storage/clock_replacer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ClockReplacer {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(num_pages: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn un_pin(&mut self, frame_id: usize) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn pin(&mut self, frame_id: usize) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn victim(&mut self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DiskManager` is never used
[INFO] [stdout]   --> src/storage/disk_manager.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait DiskManager {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageDevice` is never constructed
[INFO] [stdout]   --> src/storage/disk_manager.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct PageDevice {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `open` is never used
[INFO] [stdout]   --> src/storage/disk_manager.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl PageDevice {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn open(dir: &Path) -> Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPoolCache` is never constructed
[INFO] [stdout]  --> src/storage/buffer_pool_manager.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct BufferPoolCache {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPoolManager` is never constructed
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct BufferPoolManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PoolManager` is never used
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait PoolManager {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `allocate_page`, `deallocate_page`, `validate_page_id`, and `check_queue` are never used
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BufferPoolManager {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 40 |     pub fn new(pool_size: usize, disk_manager: Arc<dyn DiskManager>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn allocate_page(&mut self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn deallocate_page(&mut self, _page_id: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn validate_page_id(&self, page_id: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn check_queue(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create`, `read`, and `sync` are never used
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl BufferPoolCache {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 145 |
[INFO] [stdout] 146 |     pub fn create(page_id: usize, disk_manager: Arc<dyn DiskManager>) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn read(page_id: usize, disk_manager: Arc<dyn DiskManager>) -> Option<Self> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn sync(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         disk_manager.write_page(page_id, &page_data);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let _ = disk_manager.write_page(page_id, &page_data);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             self.disk_manager.write_page(self.page_id, &self.cache);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             let _ = self.disk_manager.write_page(self.page_id, &self.cache);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling relationaldb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `table_page_5`
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:215:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut table_page_5 = buffer_pool_manager.new_page();
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_table_page_5`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut table_page_5 = buffer_pool_manager.new_page();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `PoolManager::fetch_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn fetch_page(&mut self, page_id: usize) -> Option<Arc<Mutex<BufferPoolCache>>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `PoolManager::fetch_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `PoolManager::new_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new_page(&mut self) -> Arc<Mutex<BufferPoolCache>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `PoolManager::new_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `<BufferPoolManager as PoolManager>::fetch_page`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn fetch_page(&mut self, page_id: usize) -> Option<Arc<Mutex<BufferPoolCache>>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `<BufferPoolManager as PoolManager>::fetch_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct BufferPoolCache {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BufferPoolCache` is more private than the item `<BufferPoolManager as PoolManager>::new_page`
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn new_page(&mut self) -> Arc<Mutex<BufferPoolCache>> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `<BufferPoolManager as PoolManager>::new_page` is reachable at visibility `pub(in crate::storage)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `BufferPoolCache` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:8:1
[INFO] [stdout]     |
[INFO] [stdout]   8 | struct BufferPoolCache {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `delete_page` and `flush_all_page` are never used
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait PoolManager {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn delete_page(&mut self, page_id: usize);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 32 |     fn flush_all_page(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `deallocate_page` is never used
[INFO] [stdout]   --> src/storage/buffer_pool_manager.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BufferPoolManager {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn deallocate_page(&mut self, _page_id: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         disk_manager.write_page(page_id, &page_data);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let _ = disk_manager.write_page(page_id, &page_data);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/storage/buffer_pool_manager.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             self.disk_manager.write_page(self.page_id, &self.cache);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             let _ = self.disk_manager.write_page(self.page_id, &self.cache);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "2565f8f0787b503aab3e26b1f7bed0db1e8d4dfb1fd02b903c70ce1a03170131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2565f8f0787b503aab3e26b1f7bed0db1e8d4dfb1fd02b903c70ce1a03170131", kill_on_drop: false }`
[INFO] [stdout] 2565f8f0787b503aab3e26b1f7bed0db1e8d4dfb1fd02b903c70ce1a03170131
