[INFO] cloning repository https://github.com/shoyo/minuSQL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shoyo/minuSQL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoyo%2FminuSQL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoyo%2FminuSQL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f9c131aabf6551891dbb7e85aeea8c1fe9d3847
[INFO] checking shoyo/minuSQL against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoyo%2FminuSQL" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shoyo/minuSQL 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/shoyo/minuSQL
[INFO] finished tweaking git repo https://github.com/shoyo/minuSQL
[INFO] tweaked toml for git repo https://github.com/shoyo/minuSQL written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/shoyo/minuSQL 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d00d3d9a33f5335ad8391d6531e4e24ee4df073a509435072da60fd5566bff0
[INFO] running `Command { std: "docker" "start" "-a" "0d00d3d9a33f5335ad8391d6531e4e24ee4df073a509435072da60fd5566bff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d00d3d9a33f5335ad8391d6531e4e24ee4df073a509435072da60fd5566bff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d00d3d9a33f5335ad8391d6531e4e24ee4df073a509435072da60fd5566bff0", kill_on_drop: false }`
[INFO] [stdout] 0d00d3d9a33f5335ad8391d6531e4e24ee4df073a509435072da60fd5566bff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b2f857768cdd2e52c245578e4fb4e68b8a6b3c556061241b350bf52f88f039a2
[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" "b2f857768cdd2e52c245578e4fb4e68b8a6b3c556061241b350bf52f88f039a2", kill_on_drop: false }`
[INFO] [stderr]     Checking jin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BUFFER_SIZE`
[INFO] [stdout]   --> src/buffer/manager.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::common::{BufferFrameIdT, PageIdT, BUFFER_SIZE};
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLockReadGuard`
[INFO] [stdout]   --> src/buffer/manager.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::sync::{Arc, Mutex, RwLockReadGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Relation`
[INFO] [stdout]  --> src/execution/transaction.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::relation::relation::{Relation, RelationGuard};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::manager::BufferManager`
[INFO] [stdout]  --> src/index/btree_index.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::buffer::manager::BufferManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::relation::relation::Relation`
[INFO] [stdout]  --> src/page/relation_page.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::relation::relation::Relation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::relation::attribute::Attribute`
[INFO] [stdout]  --> src/relation/record.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::relation::attribute::Attribute;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/relation/record.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BUFFER_SIZE`
[INFO] [stdout]   --> src/buffer/manager.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::common::{BufferFrameIdT, PageIdT, BUFFER_SIZE};
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLockReadGuard`
[INFO] [stdout]   --> src/buffer/manager.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::sync::{Arc, Mutex, RwLockReadGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Relation`
[INFO] [stdout]  --> src/execution/transaction.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::relation::relation::{Relation, RelationGuard};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::manager::BufferManager`
[INFO] [stdout]  --> src/index/btree_index.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::buffer::manager::BufferManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::relation::relation::Relation`
[INFO] [stdout]  --> src/page/relation_page.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::relation::relation::Relation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::relation::attribute::Attribute`
[INFO] [stdout]  --> src/relation/record.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::relation::attribute::Attribute;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/relation/record.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::page::Page`
[INFO] [stdout]  --> src/relation/heap.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::page::Page;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_size`
[INFO] [stdout]   --> src/buffer/eviction_policies/clock.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(buffer_size: BufferFrameIdT) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_id`
[INFO] [stdout]   --> src/buffer/eviction_policies/clock.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn pin(&self, frame_id: BufferFrameIdT) {
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_id`
[INFO] [stdout]   --> src/buffer/eviction_policies/clock.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn unpin(&self, frame_id: BufferFrameIdT) {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/buffer/eviction_policies/lru.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Some(node) => {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/buffer/eviction_policies/lru.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 let queue = self.queue.lock().unwrap();
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/buffer/eviction_policies/lru.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let queue = self.queue.lock().unwrap();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]   --> src/buffer/manager.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn fetch_page(&self, page_id: PageIdT) -> Result<PageLatch, ()> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:102:31
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn delete_page(&self, page_id: PageIdT) -> Result<(), ()> {
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn flush_page(&self, page_id: PageIdT) -> Result<(), ()> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn pin_page(&self, page_id: PageIdT) -> Result<(), ()> {
[INFO] [stdout]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:126:30
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn unpin_page(&self, page_id: PageIdT) -> Result<(), ()> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_id`
[INFO] [stdout]    --> src/buffer/manager.rs:131:34
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn _get_page_by_frame(&self, frame_id: BufferFrameIdT) -> Result<PageLatch, ()> {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:138:34
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn _page_table_lookup(&self, page_id: PageIdT) -> Option<BufferFrameIdT> {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/btree_index.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn get(key: &Record, txn: &'a Transaction) -> Vec<RecordId> {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/btree_index.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn get(key: &Record, txn: &'a Transaction) -> Vec<RecordId> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/btree_index.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rid`
[INFO] [stdout]   --> src/index/btree_index.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/btree_index.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/btree_index.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rid`
[INFO] [stdout]   --> src/index/btree_index.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/btree_index.rs:37:44
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/hash_table_index.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn get(key: &Record, txn: &'a Transaction) -> Vec<RecordId> {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/hash_table_index.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn get(key: &Record, txn: &'a Transaction) -> Vec<RecordId> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/hash_table_index.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rid`
[INFO] [stdout]   --> src/index/hash_table_index.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/hash_table_index.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/hash_table_index.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rid`
[INFO] [stdout]   --> src/index/hash_table_index.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/hash_table_index.rs:34:44
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lsn`
[INFO] [stdout]   --> src/page/dictionary_page.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn set_lsn(&mut self, lsn: LsnT) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_lsn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/page/relation_page.rs:208:33
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn update_record(&mut self, record: Record) -> Result<(), ()> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/relation/heap.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn insert(&mut self, record: Record) -> Result<(), ()> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_id`
[INFO] [stdout]   --> src/relation/heap.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn flag_delete(&mut self, record_id: RecordIdT) -> Result<(), ()> {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_id`
[INFO] [stdout]   --> src/relation/heap.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn commit_delete(&mut self, record_id: RecordIdT) -> Result<(), ()> {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_id`
[INFO] [stdout]   --> src/relation/heap.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn rollback_delete(&mut self, record_id: RecordIdT) -> Result<(), ()> {
[INFO] [stdout]    |                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/relation/record.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_column_value(&self, idx: u32, schema: &Schema) -> &[u8] {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schema`
[INFO] [stdout]   --> src/relation/record.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_column_value(&self, idx: u32, schema: &Schema) -> &[u8] {
[INFO] [stdout]    |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/buffer/eviction_policies/slow.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut count = queue
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::page::Page`
[INFO] [stdout]  --> src/relation/heap.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::page::Page;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_size`
[INFO] [stdout]   --> src/buffer/eviction_policies/clock.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(buffer_size: BufferFrameIdT) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_id`
[INFO] [stdout]   --> src/buffer/eviction_policies/clock.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn pin(&self, frame_id: BufferFrameIdT) {
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_id`
[INFO] [stdout]   --> src/buffer/eviction_policies/clock.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn unpin(&self, frame_id: BufferFrameIdT) {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/buffer/eviction_policies/lru.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Some(node) => {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/buffer/eviction_policies/lru.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 let queue = self.queue.lock().unwrap();
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/buffer/eviction_policies/lru.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let queue = self.queue.lock().unwrap();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lru`
[INFO] [stdout]   --> src/buffer/eviction_policies/lru.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let lru = setup();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_lru`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]   --> src/buffer/manager.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn fetch_page(&self, page_id: PageIdT) -> Result<PageLatch, ()> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:102:31
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn delete_page(&self, page_id: PageIdT) -> Result<(), ()> {
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn flush_page(&self, page_id: PageIdT) -> Result<(), ()> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn pin_page(&self, page_id: PageIdT) -> Result<(), ()> {
[INFO] [stdout]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:126:30
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn unpin_page(&self, page_id: PageIdT) -> Result<(), ()> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_id`
[INFO] [stdout]    --> src/buffer/manager.rs:131:34
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn _get_page_by_frame(&self, frame_id: BufferFrameIdT) -> Result<PageLatch, ()> {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_id`
[INFO] [stdout]    --> src/buffer/manager.rs:138:34
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn _page_table_lookup(&self, page_id: PageIdT) -> Option<BufferFrameIdT> {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/btree_index.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn get(key: &Record, txn: &'a Transaction) -> Vec<RecordId> {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/btree_index.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn get(key: &Record, txn: &'a Transaction) -> Vec<RecordId> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/btree_index.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rid`
[INFO] [stdout]   --> src/index/btree_index.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/btree_index.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/btree_index.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rid`
[INFO] [stdout]   --> src/index/btree_index.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/btree_index.rs:37:44
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/hash_table_index.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn get(key: &Record, txn: &'a Transaction) -> Vec<RecordId> {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/hash_table_index.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn get(key: &Record, txn: &'a Transaction) -> Vec<RecordId> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/hash_table_index.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rid`
[INFO] [stdout]   --> src/index/hash_table_index.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/hash_table_index.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn set(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/index/hash_table_index.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rid`
[INFO] [stdout]   --> src/index/hash_table_index.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/index/hash_table_index.rs:34:44
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn delete(key: &Record, rid: RecordId, txn: &'a Transaction) {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lsn`
[INFO] [stdout]   --> src/page/dictionary_page.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn set_lsn(&mut self, lsn: LsnT) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_lsn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/page/relation_page.rs:208:33
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn update_record(&mut self, record: Record) -> Result<(), ()> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/relation/heap.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn insert(&mut self, record: Record) -> Result<(), ()> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_id`
[INFO] [stdout]   --> src/relation/heap.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn flag_delete(&mut self, record_id: RecordIdT) -> Result<(), ()> {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_id`
[INFO] [stdout]   --> src/relation/heap.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn commit_delete(&mut self, record_id: RecordIdT) -> Result<(), ()> {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_id`
[INFO] [stdout]   --> src/relation/heap.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn rollback_delete(&mut self, record_id: RecordIdT) -> Result<(), ()> {
[INFO] [stdout]    |                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/relation/record.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_column_value(&self, idx: u32, schema: &Schema) -> &[u8] {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schema`
[INFO] [stdout]   --> src/relation/record.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_column_value(&self, idx: u32, schema: &Schema) -> &[u8] {
[INFO] [stdout]    |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/buffer/eviction_policies/slow.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut count = queue
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `evict_policy`
[INFO] [stdout]   --> src/buffer/manager.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     evict_policy: Arc<Mutex<Box<dyn EvictionPolicy>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_table`
[INFO] [stdout]   --> src/buffer/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     page_table: RwLock<HashMap<PageIdT, BufferFrameIdT>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/execution/executors/insert.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     meta: QueryMeta,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]   --> src/execution/executors/insert.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     node: InsertPlanNode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transaction`
[INFO] [stdout]   --> src/execution/executors/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     transaction: Arc<Transaction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `system_catalog`
[INFO] [stdout]   --> src/execution/executors/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     system_catalog: Arc<SystemCatalog>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_manager`
[INFO] [stdout]   --> src/execution/executors/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     buffer_manager: Arc<BufferManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `relation_id`
[INFO] [stdout]   --> src/execution/plans/insert.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     relation_id: RelationIdT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/execution/transaction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     id: TransactionIdT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/execution/transaction.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     state: TransactionState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prev_lsn`
[INFO] [stdout]   --> src/execution/transaction.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     prev_lsn: LsnT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `write_record_q`
[INFO] [stdout]   --> src/execution/transaction.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     write_record_q: Arc<Mutex<VecDeque<WriteRecord>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_q`
[INFO] [stdout]   --> src/execution/transaction.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     page_q: Arc<Mutex<VecDeque<RelationPage>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delete_page_q`
[INFO] [stdout]   --> src/execution/transaction.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     delete_page_q: Arc<Mutex<VecDeque<RelationPage>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shared_lock_q`
[INFO] [stdout]   --> src/execution/transaction.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     shared_lock_q: Arc<Mutex<VecDeque<RecordId>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `exclusive_lock_q`
[INFO] [stdout]   --> src/execution/transaction.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     exclusive_lock_q: Arc<Mutex<VecDeque<RecordId>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Shrinking`
[INFO] [stdout]   --> src/execution/transaction.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Shrinking,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Committed`
[INFO] [stdout]   --> src/execution/transaction.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Committed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Aborted`
[INFO] [stdout]   --> src/execution/transaction.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     Aborted,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Insert`
[INFO] [stdout]   --> src/execution/transaction.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Insert,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Delete`
[INFO] [stdout]   --> src/execution/transaction.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Update`
[INFO] [stdout]   --> src/execution/transaction.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Update,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rid`
[INFO] [stdout]   --> src/execution/transaction.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     rid: RecordId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `record`
[INFO] [stdout]   --> src/execution/transaction.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     record: Option<Record>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `op`
[INFO] [stdout]   --> src/execution/transaction.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     op: WriteOp,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `relation`
[INFO] [stdout]   --> src/execution/transaction.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     relation: RelationGuard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/index/btree_index.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     meta: IndexMeta<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tree`
[INFO] [stdout]   --> src/index/btree_index.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     tree: BTreeMap<K, V>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/index/hash_table_index.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     meta: IndexMeta<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map`
[INFO] [stdout]   --> src/index/hash_table_index.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     map: HashMap<K, V>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/index/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `table_name`
[INFO] [stdout]   --> src/index/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     table_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `schema`
[INFO] [stdout]   --> src/index/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     schema: &'a Schema,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LogRecovery`
[INFO] [stdout]  --> src/log/recovery.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct LogRecovery {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `redo`
[INFO] [stdout]   --> src/log/recovery.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn redo() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `undo`
[INFO] [stdout]   --> src/log/recovery.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn undo() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_record`
[INFO] [stdout]    --> src/page/relation_page.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn update_record(&mut self, record: Record) -> Result<(), ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head_page_id`
[INFO] [stdout]   --> src/relation/heap.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     head_page_id: PageIdT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/page/mod.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut array = [1; PAGE_SIZE as usize];
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/page/relation_page.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         write_u32(&mut self.data, new_free_ptr + 1, offset_addr);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/page/relation_page.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         write_u32(&mut self.data, record.len(), length_addr);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `evict_policy`
[INFO] [stdout]   --> src/buffer/manager.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     evict_policy: Arc<Mutex<Box<dyn EvictionPolicy>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_table`
[INFO] [stdout]   --> src/buffer/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     page_table: RwLock<HashMap<PageIdT, BufferFrameIdT>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/execution/executors/insert.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     meta: QueryMeta,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]   --> src/execution/executors/insert.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     node: InsertPlanNode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transaction`
[INFO] [stdout]   --> src/execution/executors/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     transaction: Arc<Transaction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `system_catalog`
[INFO] [stdout]   --> src/execution/executors/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     system_catalog: Arc<SystemCatalog>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_manager`
[INFO] [stdout]   --> src/execution/executors/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     buffer_manager: Arc<BufferManager>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `relation_id`
[INFO] [stdout]   --> src/execution/plans/insert.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     relation_id: RelationIdT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/execution/transaction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     id: TransactionIdT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/execution/transaction.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     state: TransactionState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prev_lsn`
[INFO] [stdout]   --> src/execution/transaction.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     prev_lsn: LsnT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `write_record_q`
[INFO] [stdout]   --> src/execution/transaction.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     write_record_q: Arc<Mutex<VecDeque<WriteRecord>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `page_q`
[INFO] [stdout]   --> src/execution/transaction.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     page_q: Arc<Mutex<VecDeque<RelationPage>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delete_page_q`
[INFO] [stdout]   --> src/execution/transaction.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     delete_page_q: Arc<Mutex<VecDeque<RelationPage>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shared_lock_q`
[INFO] [stdout]   --> src/execution/transaction.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     shared_lock_q: Arc<Mutex<VecDeque<RecordId>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `exclusive_lock_q`
[INFO] [stdout]   --> src/execution/transaction.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     exclusive_lock_q: Arc<Mutex<VecDeque<RecordId>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Shrinking`
[INFO] [stdout]   --> src/execution/transaction.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Shrinking,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Committed`
[INFO] [stdout]   --> src/execution/transaction.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Committed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Aborted`
[INFO] [stdout]   --> src/execution/transaction.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     Aborted,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Insert`
[INFO] [stdout]   --> src/execution/transaction.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Insert,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Delete`
[INFO] [stdout]   --> src/execution/transaction.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Update`
[INFO] [stdout]   --> src/execution/transaction.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Update,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rid`
[INFO] [stdout]   --> src/execution/transaction.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     rid: RecordId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `record`
[INFO] [stdout]   --> src/execution/transaction.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     record: Option<Record>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `op`
[INFO] [stdout]   --> src/execution/transaction.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     op: WriteOp,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `relation`
[INFO] [stdout]   --> src/execution/transaction.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     relation: RelationGuard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/index/btree_index.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     meta: IndexMeta<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tree`
[INFO] [stdout]   --> src/index/btree_index.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     tree: BTreeMap<K, V>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/index/hash_table_index.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     meta: IndexMeta<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `map`
[INFO] [stdout]   --> src/index/hash_table_index.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     map: HashMap<K, V>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/index/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `table_name`
[INFO] [stdout]   --> src/index/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     table_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `schema`
[INFO] [stdout]   --> src/index/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     schema: &'a Schema,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LogRecovery`
[INFO] [stdout]  --> src/log/recovery.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct LogRecovery {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `redo`
[INFO] [stdout]   --> src/log/recovery.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn redo() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `undo`
[INFO] [stdout]   --> src/log/recovery.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn undo() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_record`
[INFO] [stdout]    --> src/page/relation_page.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn update_record(&mut self, record: Record) -> Result<(), ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head_page_id`
[INFO] [stdout]   --> src/relation/heap.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     head_page_id: PageIdT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 86 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/page/relation_page.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         write_u32(&mut self.data, new_free_ptr + 1, offset_addr);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/page/relation_page.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         write_u32(&mut self.data, record.len(), length_addr);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 88 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> tests/catalog.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `txn_manager`
[INFO] [stdout]   --> tests/catalog.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     txn_manager: TransactionManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup`
[INFO] [stdout]   --> tests/execution.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn setup() -> Box<dyn QueryPlanNode> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> tests/buffer_pool.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jin::page::Page`
[INFO] [stdout]  --> tests/buffer_pool.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use jin::page::Page;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> tests/buffer_pool.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut ctx = setup();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> tests/buffer_pool.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut ctx = setup();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/buffer_pool.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut ctx = setup();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/buffer_pool.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut ctx = setup();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "b2f857768cdd2e52c245578e4fb4e68b8a6b3c556061241b350bf52f88f039a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f857768cdd2e52c245578e4fb4e68b8a6b3c556061241b350bf52f88f039a2", kill_on_drop: false }`
[INFO] [stdout] b2f857768cdd2e52c245578e4fb4e68b8a6b3c556061241b350bf52f88f039a2