[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] d8f2be721043a3151086afcefdf71a200becf322
[INFO] checking shoyo/minuSQL against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoyo%2FminuSQL" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shoyo/minuSQL on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-12/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd16365df4b5a85d44b31d1c36b007b1264b695d576b92fabb0bc12d276c9006
[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" "bd16365df4b5a85d44b31d1c36b007b1264b695d576b92fabb0bc12d276c9006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd16365df4b5a85d44b31d1c36b007b1264b695d576b92fabb0bc12d276c9006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd16365df4b5a85d44b31d1c36b007b1264b695d576b92fabb0bc12d276c9006", kill_on_drop: false }`
[INFO] [stdout] bd16365df4b5a85d44b31d1c36b007b1264b695d576b92fabb0bc12d276c9006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e26342a7ac15f09120bdb3dd1a65574f43372a1fe1b1f9c2ea7baa5b8744522
[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" "2e26342a7ac15f09120bdb3dd1a65574f43372a1fe1b1f9c2ea7baa5b8744522", kill_on_drop: false }`
[INFO] [stderr]     Checking jin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::execution::plans::BasePlanNode`
[INFO] [stdout]  --> src/execution/executors/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::execution::plans::BasePlanNode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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::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::execution::plans::BasePlanNode`
[INFO] [stdout]  --> src/execution/executors/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::execution::plans::BasePlanNode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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::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 variable: `record`
[INFO] [stdout]    --> src/block/table_block.rs:212:33
[INFO] [stdout]     |
[INFO] [stdout] 212 |     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]     = 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:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn pin(&mut 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:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn unpin(&mut 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/lru.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn pin(&mut 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/lru.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn unpin(&mut 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: `i`
[INFO] [stdout]   --> src/buffer/manager.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |             for i in 0..BUFFER_SIZE as usize {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/buffer/manager.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let mut frame = self.buffer_pool[open_frame_id].write().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]    --> src/buffer/manager.rs:123:36
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn delete_block(&mut self, block_id: BlockIdT) -> Result<(), ()> {
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]    --> src/buffer/manager.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn flush_block(&mut self, block_id: BlockIdT) -> Result<(), ()> {
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_idx`
[INFO] [stdout]   --> src/execution/plans/insert.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn get_child(&self, child_idx: u32) -> &'a dyn BasePlanNode<'a> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_idx`
[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: `record`
[INFO] [stdout]   --> src/relation/heap.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     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:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |     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:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     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:56:39
[INFO] [stdout]    |
[INFO] [stdout] 56 |     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/manager.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut list = self.free_list.lock().unwrap();
[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]   --> src/buffer/manager.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let mut frame = self.buffer_pool[open_frame_id].write().unwrap();
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_record`
[INFO] [stdout]    --> src/block/table_block.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn update_record(&mut self, record: Record) -> Result<(), ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `policy`
[INFO] [stdout]   --> src/buffer/manager.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     policy: ClockPolicy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/execution/executors/insert.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     meta: ExecutorMeta<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]   --> src/execution/executors/insert.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     node: InsertPlanNode<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transaction`
[INFO] [stdout]   --> src/execution/executors/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     transaction: &'a Transaction,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `system_catalog`
[INFO] [stdout]   --> src/execution/executors/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     system_catalog: &'a SystemCatalog,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_manager`
[INFO] [stdout]   --> src/execution/executors/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     buffer_manager: &'a BufferManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/execution/plans/insert.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     meta: PlanMeta<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `relation_id`
[INFO] [stdout]   --> src/execution/plans/insert.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     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: `block_q`
[INFO] [stdout]   --> src/execution/transaction.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     block_q: Arc<Mutex<VecDeque<TableBlock>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delete_block_q`
[INFO] [stdout]   --> src/execution/transaction.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     delete_block_q: Arc<Mutex<VecDeque<TableBlock>>>,
[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: field is never read: `head_block_id`
[INFO] [stdout]   --> src/relation/heap.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     head_block_id: BlockIdT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> src/block/table_block.rs:212:33
[INFO] [stdout]     |
[INFO] [stdout] 212 |     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]     = 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:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn pin(&mut 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:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn unpin(&mut 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/lru.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn pin(&mut 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/lru.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn unpin(&mut 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: `i`
[INFO] [stdout]   --> src/buffer/manager.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |             for i in 0..BUFFER_SIZE as usize {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/buffer/manager.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let mut frame = self.buffer_pool[open_frame_id].write().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]    --> src/buffer/manager.rs:123:36
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn delete_block(&mut self, block_id: BlockIdT) -> Result<(), ()> {
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_id`
[INFO] [stdout]    --> src/buffer/manager.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn flush_block(&mut self, block_id: BlockIdT) -> Result<(), ()> {
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_idx`
[INFO] [stdout]   --> src/execution/plans/insert.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn get_child(&self, child_idx: u32) -> &'a dyn BasePlanNode<'a> {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_idx`
[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: `record`
[INFO] [stdout]   --> src/relation/heap.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     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:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |     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:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     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:56:39
[INFO] [stdout]    |
[INFO] [stdout] 56 |     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/manager.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut list = self.free_list.lock().unwrap();
[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]   --> src/buffer/manager.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let mut frame = self.buffer_pool[open_frame_id].write().unwrap();
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 77 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_record`
[INFO] [stdout]    --> src/block/table_block.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn update_record(&mut self, record: Record) -> Result<(), ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `policy`
[INFO] [stdout]   --> src/buffer/manager.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     policy: ClockPolicy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/execution/executors/insert.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     meta: ExecutorMeta<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]   --> src/execution/executors/insert.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     node: InsertPlanNode<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transaction`
[INFO] [stdout]   --> src/execution/executors/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     transaction: &'a Transaction,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `system_catalog`
[INFO] [stdout]   --> src/execution/executors/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     system_catalog: &'a SystemCatalog,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer_manager`
[INFO] [stdout]   --> src/execution/executors/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     buffer_manager: &'a BufferManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]   --> src/execution/plans/insert.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     meta: PlanMeta<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `relation_id`
[INFO] [stdout]   --> src/execution/plans/insert.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     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: `block_q`
[INFO] [stdout]   --> src/execution/transaction.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     block_q: Arc<Mutex<VecDeque<TableBlock>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delete_block_q`
[INFO] [stdout]   --> src/execution/transaction.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     delete_block_q: Arc<Mutex<VecDeque<TableBlock>>>,
[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: field is never read: `head_block_id`
[INFO] [stdout]   --> src/relation/heap.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     head_block_id: BlockIdT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 77 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jin::buffer::manager::BufferManager`
[INFO] [stdout]  --> tests/integration.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use jin::buffer::manager::BufferManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jin::disk::manager::DiskManager`
[INFO] [stdout]  --> tests/integration.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use jin::disk::manager::DiskManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "2e26342a7ac15f09120bdb3dd1a65574f43372a1fe1b1f9c2ea7baa5b8744522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e26342a7ac15f09120bdb3dd1a65574f43372a1fe1b1f9c2ea7baa5b8744522", kill_on_drop: false }`
[INFO] [stdout] 2e26342a7ac15f09120bdb3dd1a65574f43372a1fe1b1f9c2ea7baa5b8744522