[INFO] cloning repository https://github.com/Bombachicky/rust_database
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bombachicky/rust_database" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBombachicky%2Frust_database", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBombachicky%2Frust_database'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68be8608ab9dcb9d7604097824add1ae5a361898
[INFO] testing Bombachicky/rust_database against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBombachicky%2Frust_database" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bombachicky/rust_database
[INFO] finished tweaking git repo https://github.com/Bombachicky/rust_database
[INFO] tweaked toml for git repo https://github.com/Bombachicky/rust_database written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bombachicky/rust_database on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bombachicky/rust_database already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab81cbe375b46c19dd5029f6fb54f538f376423e04b493c2a0dead15c43028bd
[INFO] running `Command { std: "docker" "start" "-a" "ab81cbe375b46c19dd5029f6fb54f538f376423e04b493c2a0dead15c43028bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab81cbe375b46c19dd5029f6fb54f538f376423e04b493c2a0dead15c43028bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab81cbe375b46c19dd5029f6fb54f538f376423e04b493c2a0dead15c43028bd", kill_on_drop: false }`
[INFO] [stdout] ab81cbe375b46c19dd5029f6fb54f538f376423e04b493c2a0dead15c43028bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c338552049d79f8cb3e2f3bde10aa71876bba6132cee43c5ad337df2e61efd
[INFO] running `Command { std: "docker" "start" "-a" "c7c338552049d79f8cb3e2f3bde10aa71876bba6132cee43c5ad337df2e61efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_database v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/backend/node.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell`
[INFO] [stdout]  --> src/backend/node.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cell, process::exit};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `table`
[INFO] [stdout]  --> src/backend/node.rs:4:78
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::backend::{cursor::Cursor, pager::PAGE_SIZE, row::{Row, ROW_SIZE}, table, Pager, Table};
[INFO] [stdout]   |                                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/backend/node.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 |     if (right_child_page_num == INVALID_PAGE_NUM) {
[INFO] [stdout]     |        ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 -     if (right_child_page_num == INVALID_PAGE_NUM) {
[INFO] [stdout] 242 +     if right_child_page_num == INVALID_PAGE_NUM  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/backend/table.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |         cursor.end_of_table = (num_cells == 0);
[INFO] [stdout]    |                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         cursor.end_of_table = (num_cells == 0);
[INFO] [stdout] 27 +         cursor.end_of_table = num_cells == 0 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pager::Pager`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pager::Pager;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_keys`
[INFO] [stdout]    --> src/backend/node.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let num_keys = *internal_node_num_keys(node) as usize;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_keys`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/backend/node.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let child = table.pager.get_page(child_page_num).unwrap();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/node.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let mut parent: &mut [u8; 4096];
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_node`
[INFO] [stdout]    --> src/backend/node.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let mut new_node: &mut [u8; 4096];
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `parent` is assigned to, but never used
[INFO] [stdout]    --> src/backend/node.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let mut parent: &mut [u8; 4096];
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_parent` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_node` is never read
[INFO] [stdout]    --> src/backend/node.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         old_node = table.pager.get_page(old_page_num).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 307 |     old_node = table.pager.get_page(parent_page_num).unwrap();
[INFO] [stdout]     |     --------------------------------------------------------- `old_node` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `parent` is never read
[INFO] [stdout]    --> src/backend/node.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         parent = table.pager.get_page(old_node_parent).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `parent` is never read
[INFO] [stdout]    --> src/backend/node.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         parent = table.pager.get_page(table.root_page_num).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_num_keys` is never read
[INFO] [stdout]    --> src/backend/node.rs:342:5
[INFO] [stdout]     |
[INFO] [stdout] 342 |     old_num_keys -= 1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/backend/node.rs:569:71
[INFO] [stdout]     |
[INFO] [stdout] 569 | pub fn leaf_node_split_and_insert(cursor: &Cursor, table: &mut Table, key: usize, value: &mut Row) {
[INFO] [stdout]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cursor` is never constructed
[INFO] [stdout]  --> src/backend/cursor.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cursor {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `table_start` and `cursor_advance` are never used
[INFO] [stdout]   --> src/backend/cursor.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Cursor{
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn table_start(table: &mut Table) -> std::io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn cursor_advance(&mut self, table: &mut Table) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NodeType` is never used
[INFO] [stdout]  --> src/backend/node.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum NodeType {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NODE_TYPE_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const NODE_TYPE_SIZE: usize = std::mem::size_of::<u8>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NODE_TYPE_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const NODE_TYPE_OFFSET: usize = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IS_ROOT_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const IS_ROOT_SIZE: usize = std::mem::size_of::<u8>();
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IS_ROOT_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const IS_ROOT_OFFSET: usize = NODE_TYPE_OFFSET + NODE_TYPE_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const PARENT_POINTER_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARENT_POINTER_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const PARENT_POINTER_OFFSET: usize = IS_ROOT_OFFSET + IS_ROOT_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMMON_NODE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const COMMON_NODE_HEADER_SIZE: usize =
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_NUM_KEYS_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const INTERNAL_NODE_NUM_KEYS_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_NUM_KEYS_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const INTERNAL_NODE_NUM_KEYS_OFFSET: usize = COMMON_NODE_HEADER_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_RIGHT_CHILD_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const INTERNAL_NODE_RIGHT_CHILD_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_RIGHT_CHILD_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const INTERNAL_NODE_RIGHT_CHILD_OFFSET: usize = INTERNAL_NODE_NUM_KEYS_OFFSET + INTERNAL_NODE_NUM_KEYS_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const INTERNAL_NODE_HEADER_SIZE: usize = INTERNAL_NODE_NUM_KEYS_OFFSET + INTERNAL_NODE_NUM_KEYS_SIZE + INTERNAL_NODE_RIGHT_CHILD...
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_NUM_CELLS_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub const LEAF_NODE_NUM_CELLS_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_NUM_CELLS_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const LEAF_NODE_NUM_CELLS_OFFSET: usize = COMMON_NODE_HEADER_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_NEXT_LEAF_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const LEAF_NODE_NEXT_LEAF_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_NEXT_LEAF_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const LEAF_NODE_NEXT_LEAF_OFFSET: usize = LEAF_NODE_NUM_CELLS_OFFSET + LEAF_NODE_NUM_CELLS_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub const LEAF_NODE_HEADER_SIZE: usize = COMMON_NODE_HEADER_SIZE
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_KEY_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub const INTERNAL_NODE_KEY_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_CHILD_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const INTERNAL_NODE_CHILD_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_CELL_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const INTERNAL_NODE_CELL_SIZE: usize = INTERNAL_NODE_KEY_SIZE + INTERNAL_NODE_CHILD_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INTERNAL_NODE_MAX_CELLS` is never used
[INFO] [stdout]   --> src/backend/node.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const INTERNAL_NODE_MAX_CELLS: usize = 3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_KEY_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub const LEAF_NODE_KEY_SIZE: usize = std::mem::size_of::<u32>();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_KEY_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub const LEAF_NODE_KEY_OFFSET: usize = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_VALUE_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const LEAF_NODE_VALUE_SIZE: usize = ROW_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_VALUE_OFFSET` is never used
[INFO] [stdout]   --> src/backend/node.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub const LEAF_NODE_VALUE_OFFSET: usize = LEAF_NODE_KEY_OFFSET + LEAF_NODE_KEY_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_CELL_SIZE` is never used
[INFO] [stdout]   --> src/backend/node.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub const LEAF_NODE_CELL_SIZE: usize = LEAF_NODE_KEY_SIZE + LEAF_NODE_VALUE_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_SPACE_FOR_CELLS` is never used
[INFO] [stdout]   --> src/backend/node.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub const LEAF_NODE_SPACE_FOR_CELLS: usize = PAGE_SIZE - LEAF_NODE_HEADER_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_MAX_CELLS` is never used
[INFO] [stdout]   --> src/backend/node.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub const LEAF_NODE_MAX_CELLS: usize = LEAF_NODE_SPACE_FOR_CELLS / LEAF_NODE_CELL_SIZE;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_RIGHT_SPLIT_COUNT` is never used
[INFO] [stdout]   --> src/backend/node.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub const LEAF_NODE_RIGHT_SPLIT_COUNT: usize = (LEAF_NODE_MAX_CELLS + 1) / 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEAF_NODE_LEFT_SPLIT_COUNT` is never used
[INFO] [stdout]   --> src/backend/node.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub const LEAF_NODE_LEFT_SPLIT_COUNT: usize = (LEAF_NODE_MAX_CELLS + 1) - LEAF_NODE_RIGHT_SPLIT_COUNT;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INVALID_PAGE_NUM` is never used
[INFO] [stdout]   --> src/backend/node.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub const INVALID_PAGE_NUM: u32 = u32::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_node_type` is never used
[INFO] [stdout]   --> src/backend/node.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn get_node_type(page: &[u8]) -> NodeType {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_node_type` is never used
[INFO] [stdout]   --> src/backend/node.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn set_node_type(page: &mut [u8], nodetype: NodeType) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_node_max_key` is never used
[INFO] [stdout]   --> src/backend/node.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn get_node_max_key(pager: &mut Pager, page_num: usize) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_node_max_key_from_node` is never used
[INFO] [stdout]   --> src/backend/node.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn get_node_max_key_from_node(node: &mut [u8]) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaf_node_next_leaf` is never used
[INFO] [stdout]    --> src/backend/node.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn leaf_node_next_leaf(node: &mut [u8]) -> &mut u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_node_root` is never used
[INFO] [stdout]    --> src/backend/node.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn is_node_root(node: &mut [u8]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_node_root` is never used
[INFO] [stdout]    --> src/backend/node.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn set_node_root(node: &mut [u8], is_root: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `node_parent` is never used
[INFO] [stdout]    --> src/backend/node.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn node_parent(node: &mut[u8]) -> &mut u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `initialize_internal_node` is never used
[INFO] [stdout]    --> src/backend/node.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn initialize_internal_node(node: &mut[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_num_keys` is never used
[INFO] [stdout]    --> src/backend/node.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub fn internal_node_num_keys(node: &mut [u8]) -> &mut u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_right_child` is never used
[INFO] [stdout]    --> src/backend/node.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn internal_node_right_child(node: &mut [u8]) -> &mut u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_cell` is never used
[INFO] [stdout]    --> src/backend/node.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn internal_node_cell(node: &mut [u8], cell_num: usize) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_child` is never used
[INFO] [stdout]    --> src/backend/node.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub fn internal_node_child(node: &mut [u8], child_num: usize) -> &mut u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_key` is never used
[INFO] [stdout]    --> src/backend/node.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn internal_node_key(node: &mut [u8], key_num: usize) -> &mut u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_internal_node_key` is never used
[INFO] [stdout]    --> src/backend/node.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub fn update_internal_node_key(node: &mut[u8], old_key: usize, new_key: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_find_child` is never used
[INFO] [stdout]    --> src/backend/node.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn internal_node_find_child(node: &mut[u8], key: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_find` is never used
[INFO] [stdout]    --> src/backend/node.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn internal_node_find(table: &mut Table, page_num: usize, key: usize) -> Cursor {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_insert` is never used
[INFO] [stdout]    --> src/backend/node.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn internal_node_insert(table: &mut Table, parent_page_num: usize, child_page_num: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_node_split_and_insert` is never used
[INFO] [stdout]    --> src/backend/node.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn internal_node_split_and_insert(table: &mut Table, parent_page_num: usize, child_page_num: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaf_node_num_cells` is never used
[INFO] [stdout]    --> src/backend/node.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub fn leaf_node_num_cells(node: &mut [u8]) -> &mut u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaf_node_cell` is never used
[INFO] [stdout]    --> src/backend/node.rs:394:8
[INFO] [stdout]     |
[INFO] [stdout] 394 | pub fn leaf_node_cell(node: &mut [u8], cell_num: usize) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaf_node_key` is never used
[INFO] [stdout]    --> src/backend/node.rs:400:8
[INFO] [stdout]     |
[INFO] [stdout] 400 | pub fn leaf_node_key(node: &mut [u8], cell_num: usize) -> &mut u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaf_node_value` is never used
[INFO] [stdout]    --> src/backend/node.rs:404:8
[INFO] [stdout]     |
[INFO] [stdout] 404 | pub fn leaf_node_value(node: &mut [u8], cell_num: usize) -> &mut [u8]  {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `initialize_leaf_node` is never used
[INFO] [stdout]    --> src/backend/node.rs:409:8
[INFO] [stdout]     |
[INFO] [stdout] 409 | pub fn initialize_leaf_node(node: &mut [u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaf_node_insert` is never used
[INFO] [stdout]    --> src/backend/node.rs:415:8
[INFO] [stdout]     |
[INFO] [stdout] 415 | pub fn leaf_node_insert(cursor: &mut Cursor, table: &mut Table, key: usize, value: &mut Row) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaf_node_find` is never used
[INFO] [stdout]    --> src/backend/node.rs:440:8
[INFO] [stdout]     |
[INFO] [stdout] 440 | pub fn leaf_node_find(table: &mut Table, page_num: usize, key: usize) -> Cursor {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_new_root` is never used
[INFO] [stdout]    --> src/backend/node.rs:469:8
[INFO] [stdout]     |
[INFO] [stdout] 469 | pub fn create_new_root(table: &mut Table, right_child_num: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaf_node_split_and_insert` is never used
[INFO] [stdout]    --> src/backend/node.rs:569:8
[INFO] [stdout]     |
[INFO] [stdout] 569 | pub fn leaf_node_split_and_insert(cursor: &Cursor, table: &mut Table, key: usize, value: &mut Row) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indent` is never used
[INFO] [stdout]    --> src/backend/node.rs:644:8
[INFO] [stdout]     |
[INFO] [stdout] 644 | pub fn indent(level: u32) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_tree` is never used
[INFO] [stdout]    --> src/backend/node.rs:650:8
[INFO] [stdout]     |
[INFO] [stdout] 650 | pub fn print_tree(pager: &mut Pager, page_num: usize, indentation_level: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/backend/pager.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const PAGE_SIZE: usize = 4096;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_MAX_PAGES` is never used
[INFO] [stdout]  --> src/backend/pager.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const TABLE_MAX_PAGES: usize = 100;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Page` is never used
[INFO] [stdout]  --> src/backend/pager.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Page = Box<[u8; PAGE_SIZE]>;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pager` is never constructed
[INFO] [stdout]   --> src/backend/pager.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Pager {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `open`, `get_page`, `pager_flush`, and `get_unused_page_num` are never used
[INFO] [stdout]    --> src/backend/pager.rs:18:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl Pager {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  18 |     pub fn open(path: &str) -> Result<Self> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  45 |     pub fn get_page(&mut self, page_num: usize) -> Result<&mut [u8; PAGE_SIZE]> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  84 |     pub fn pager_flush(&mut self, page_num: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn get_unused_page_num(&mut self) -> u32{ self.num_pages as u32 }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ID_SIZE` is never used
[INFO] [stdout]  --> src/backend/row.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const ID_SIZE: usize = 4;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `USERNAME_SIZE` is never used
[INFO] [stdout]  --> src/backend/row.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const USERNAME_SIZE: usize = 32;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMAIL_SIZE` is never used
[INFO] [stdout]  --> src/backend/row.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const EMAIL_SIZE: usize = 255;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ID_OFFSET` is never used
[INFO] [stdout]  --> src/backend/row.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const ID_OFFSET: usize = 0;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `USERNAME_OFFSET` is never used
[INFO] [stdout]  --> src/backend/row.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const USERNAME_OFFSET: usize = ID_OFFSET + ID_SIZE;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMAIL_OFFSET` is never used
[INFO] [stdout]  --> src/backend/row.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const EMAIL_OFFSET: usize = USERNAME_OFFSET + USERNAME_SIZE;
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROW_SIZE` is never used
[INFO] [stdout]  --> src/backend/row.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const ROW_SIZE: usize = ID_SIZE + USERNAME_SIZE + EMAIL_SIZE;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Row` is never constructed
[INFO] [stdout]   --> src/backend/row.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Row {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `serialize` and `deserialize` are never used
[INFO] [stdout]   --> src/backend/row.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Row {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn serialize(&self, destination: &mut [u8]) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn deserialize(source: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_MAX_PAGES` is never used
[INFO] [stdout]  --> src/backend/table.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const TABLE_MAX_PAGES: usize = 100;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROWS_PER_PAGE` is never used
[INFO] [stdout]  --> src/backend/table.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const ROWS_PER_PAGE: usize = PAGE_SIZE / ROW_SIZE;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_MAX_ROWS` is never used
[INFO] [stdout]  --> src/backend/table.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const TABLE_MAX_ROWS: usize = ROWS_PER_PAGE * TABLE_MAX_PAGES;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Table` is never constructed
[INFO] [stdout]  --> src/backend/table.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Table {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `table_start`, `cursor_value`, and `table_find` are never used
[INFO] [stdout]   --> src/backend/table.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Table {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     pub fn new(file_path: &str) -> std::io::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn table_start(&mut self) -> Cursor {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn cursor_value(&mut self, cursor: &Cursor) -> std::io::Result<&mut [u8]> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn table_find(&mut self, key: usize) -> Cursor {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/backend/node.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             drop(node); // drop the borrow before recursive call
[INFO] [stdout]    |             ^^^^^----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut [u8; 4096]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 81 -             drop(node); // drop the borrow before recursive call
[INFO] [stdout] 81 +             let _ = node; // drop the borrow before recursive call
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     drop(old_node); // Now the borrow ends
[INFO] [stdout]     |     ^^^^^--------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 283 -     drop(old_node); // Now the borrow ends
[INFO] [stdout] 283 +     let _ = old_node; // Now the borrow ends
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         drop(new_node);
[INFO] [stdout]     |         ^^^^^--------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 304 -         drop(new_node);
[INFO] [stdout] 304 +         let _ = new_node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:343:5
[INFO] [stdout]     |
[INFO] [stdout] 343 |     drop(old_node);
[INFO] [stdout]     |     ^^^^^--------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 343 -     drop(old_node);
[INFO] [stdout] 343 +     let _ = old_node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/backend/node.rs:479:5
[INFO] [stdout]     |
[INFO] [stdout] 479 |     table.pager.get_page(left_child_num as usize); // Pre-allocate
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let _ = table.pager.get_page(left_child_num as usize); // Pre-allocate
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |     drop(root_binding);
[INFO] [stdout]     |     ^^^^^------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 512 -     drop(root_binding);
[INFO] [stdout] 512 +     let _ = root_binding;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:513:5
[INFO] [stdout]     |
[INFO] [stdout] 513 |     drop(right_child_binding);
[INFO] [stdout]     |     ^^^^^-------------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 513 -     drop(right_child_binding);
[INFO] [stdout] 513 +     let _ = right_child_binding;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 514 |     drop(left_child_binding);
[INFO] [stdout]     |     ^^^^^------------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 514 -     drop(left_child_binding);
[INFO] [stdout] 514 +     let _ = left_child_binding;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:653:5
[INFO] [stdout]     |
[INFO] [stdout] 653 |     drop(node);
[INFO] [stdout]     |     ^^^^^----^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 653 -     drop(node);
[INFO] [stdout] 653 +     let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:671:13
[INFO] [stdout]     |
[INFO] [stdout] 671 |             drop(node);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 671 -             drop(node);
[INFO] [stdout] 671 +             let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:677:21
[INFO] [stdout]     |
[INFO] [stdout] 677 |                     drop(node);
[INFO] [stdout]     |                     ^^^^^----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 677 -                     drop(node);
[INFO] [stdout] 677 +                     let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:683:21
[INFO] [stdout]     |
[INFO] [stdout] 683 |                     drop(node);
[INFO] [stdout]     |                     ^^^^^----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 683 -                     drop(node);
[INFO] [stdout] 683 +                     let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:688:17
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 drop(node);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 688 -                 drop(node);
[INFO] [stdout] 688 +                 let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "c7c338552049d79f8cb3e2f3bde10aa71876bba6132cee43c5ad337df2e61efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c338552049d79f8cb3e2f3bde10aa71876bba6132cee43c5ad337df2e61efd", kill_on_drop: false }`
[INFO] [stdout] c7c338552049d79f8cb3e2f3bde10aa71876bba6132cee43c5ad337df2e61efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7aa353e13f7d9c54e69c50360f7e69ad2a041376751f771a63f752c6db62998
[INFO] running `Command { std: "docker" "start" "-a" "c7aa353e13f7d9c54e69c50360f7e69ad2a041376751f771a63f752c6db62998", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_database v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/backend/node.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell`
[INFO] [stdout]  --> src/backend/node.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cell, process::exit};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `table`
[INFO] [stdout]  --> src/backend/node.rs:4:78
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::backend::{cursor::Cursor, pager::PAGE_SIZE, row::{Row, ROW_SIZE}, table, Pager, Table};
[INFO] [stdout]   |                                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/backend/node.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 |     if (right_child_page_num == INVALID_PAGE_NUM) {
[INFO] [stdout]     |        ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 -     if (right_child_page_num == INVALID_PAGE_NUM) {
[INFO] [stdout] 242 +     if right_child_page_num == INVALID_PAGE_NUM  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/backend/table.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |         cursor.end_of_table = (num_cells == 0);
[INFO] [stdout]    |                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         cursor.end_of_table = (num_cells == 0);
[INFO] [stdout] 27 +         cursor.end_of_table = num_cells == 0 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LEAF_NODE_CELL_SIZE`, `LEAF_NODE_MAX_CELLS`, `leaf_node_insert`, `leaf_node_key`, `leaf_node_value`, and `print_tree`
[INFO] [stdout]   --> src/main.rs:12:71
[INFO] [stdout]    |
[INFO] [stdout] 12 | ...e, leaf_node_insert, leaf_node_key, leaf_node_num_cells, leaf_node_value, print_tree, set_node_root, LEAF_NODE_CELL_SIZE, LEAF_NODE_HEADER_SIZE, LEAF_NODE_MAX_CELLS, L...
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^                       ^^^^^^^^^^^^^^^  ^^^^^^^^^^                 ^^^^^^^^^^^^^^^^^^^                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_keys`
[INFO] [stdout]    --> src/backend/node.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let num_keys = *internal_node_num_keys(node) as usize;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_keys`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/backend/node.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let child = table.pager.get_page(child_page_num).unwrap();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/node.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let mut parent: &mut [u8; 4096];
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_node`
[INFO] [stdout]    --> src/backend/node.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let mut new_node: &mut [u8; 4096];
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `parent` is assigned to, but never used
[INFO] [stdout]    --> src/backend/node.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let mut parent: &mut [u8; 4096];
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_parent` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_node` is never read
[INFO] [stdout]    --> src/backend/node.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         old_node = table.pager.get_page(old_page_num).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 307 |     old_node = table.pager.get_page(parent_page_num).unwrap();
[INFO] [stdout]     |     --------------------------------------------------------- `old_node` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `parent` is never read
[INFO] [stdout]    --> src/backend/node.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         parent = table.pager.get_page(old_node_parent).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `parent` is never read
[INFO] [stdout]    --> src/backend/node.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         parent = table.pager.get_page(table.root_page_num).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_num_keys` is never read
[INFO] [stdout]    --> src/backend/node.rs:342:5
[INFO] [stdout]     |
[INFO] [stdout] 342 |     old_num_keys -= 1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/backend/node.rs:569:71
[INFO] [stdout]     |
[INFO] [stdout] 569 | pub fn leaf_node_split_and_insert(cursor: &Cursor, table: &mut Table, key: usize, value: &mut Row) {
[INFO] [stdout]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `table_start` is never used
[INFO] [stdout]   --> src/backend/cursor.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Cursor{
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn table_start(table: &mut Table) -> std::io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_MAX_PAGES` is never used
[INFO] [stdout]  --> src/backend/table.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const TABLE_MAX_PAGES: usize = 100;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROWS_PER_PAGE` is never used
[INFO] [stdout]  --> src/backend/table.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const ROWS_PER_PAGE: usize = PAGE_SIZE / ROW_SIZE;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TABLE_MAX_ROWS` is never used
[INFO] [stdout]  --> src/backend/table.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const TABLE_MAX_ROWS: usize = ROWS_PER_PAGE * TABLE_MAX_PAGES;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `table_start` is never used
[INFO] [stdout]   --> src/backend/table.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Table {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn table_start(&mut self) -> Cursor {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_test_table` is never used
[INFO] [stdout]    --> src/main.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn create_test_table() -> Table {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_row` is never used
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn create_row(id: u32) -> Row {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/backend/node.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             drop(node); // drop the borrow before recursive call
[INFO] [stdout]    |             ^^^^^----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut [u8; 4096]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 81 -             drop(node); // drop the borrow before recursive call
[INFO] [stdout] 81 +             let _ = node; // drop the borrow before recursive call
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     drop(old_node); // Now the borrow ends
[INFO] [stdout]     |     ^^^^^--------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 283 -     drop(old_node); // Now the borrow ends
[INFO] [stdout] 283 +     let _ = old_node; // Now the borrow ends
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         drop(new_node);
[INFO] [stdout]     |         ^^^^^--------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 304 -         drop(new_node);
[INFO] [stdout] 304 +         let _ = new_node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:343:5
[INFO] [stdout]     |
[INFO] [stdout] 343 |     drop(old_node);
[INFO] [stdout]     |     ^^^^^--------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 343 -     drop(old_node);
[INFO] [stdout] 343 +     let _ = old_node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/backend/node.rs:479:5
[INFO] [stdout]     |
[INFO] [stdout] 479 |     table.pager.get_page(left_child_num as usize); // Pre-allocate
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let _ = table.pager.get_page(left_child_num as usize); // Pre-allocate
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |     drop(root_binding);
[INFO] [stdout]     |     ^^^^^------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 512 -     drop(root_binding);
[INFO] [stdout] 512 +     let _ = root_binding;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:513:5
[INFO] [stdout]     |
[INFO] [stdout] 513 |     drop(right_child_binding);
[INFO] [stdout]     |     ^^^^^-------------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 513 -     drop(right_child_binding);
[INFO] [stdout] 513 +     let _ = right_child_binding;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 514 |     drop(left_child_binding);
[INFO] [stdout]     |     ^^^^^------------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 514 -     drop(left_child_binding);
[INFO] [stdout] 514 +     let _ = left_child_binding;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:653:5
[INFO] [stdout]     |
[INFO] [stdout] 653 |     drop(node);
[INFO] [stdout]     |     ^^^^^----^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 653 -     drop(node);
[INFO] [stdout] 653 +     let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:671:13
[INFO] [stdout]     |
[INFO] [stdout] 671 |             drop(node);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 671 -             drop(node);
[INFO] [stdout] 671 +             let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:677:21
[INFO] [stdout]     |
[INFO] [stdout] 677 |                     drop(node);
[INFO] [stdout]     |                     ^^^^^----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 677 -                     drop(node);
[INFO] [stdout] 677 +                     let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:683:21
[INFO] [stdout]     |
[INFO] [stdout] 683 |                     drop(node);
[INFO] [stdout]     |                     ^^^^^----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 683 -                     drop(node);
[INFO] [stdout] 683 +                     let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/backend/node.rs:688:17
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 drop(node);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut [u8; 4096]`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 688 -                 drop(node);
[INFO] [stdout] 688 +                 let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c7aa353e13f7d9c54e69c50360f7e69ad2a041376751f771a63f752c6db62998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7aa353e13f7d9c54e69c50360f7e69ad2a041376751f771a63f752c6db62998", kill_on_drop: false }`
[INFO] [stdout] c7aa353e13f7d9c54e69c50360f7e69ad2a041376751f771a63f752c6db62998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d708e260f8340ebe6f38f68736b09fd118a6a5dcacdda297732f1cb2920639a
[INFO] running `Command { std: "docker" "start" "-a" "8d708e260f8340ebe6f38f68736b09fd118a6a5dcacdda297732f1cb2920639a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> src/backend/node.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cell`
[INFO] [stderr]  --> src/backend/node.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{cell, process::exit};
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `table`
[INFO] [stderr]  --> src/backend/node.rs:4:78
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::backend::{cursor::Cursor, pager::PAGE_SIZE, row::{Row, ROW_SIZE}, table, Pager, Table};
[INFO] [stderr]   |                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/backend/node.rs:242:8
[INFO] [stderr]     |
[INFO] [stderr] 242 |     if (right_child_page_num == INVALID_PAGE_NUM) {
[INFO] [stderr]     |        ^                                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 242 -     if (right_child_page_num == INVALID_PAGE_NUM) {
[INFO] [stderr] 242 +     if right_child_page_num == INVALID_PAGE_NUM  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/backend/table.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |         cursor.end_of_table = (num_cells == 0);
[INFO] [stderr]    |                               ^              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 -         cursor.end_of_table = (num_cells == 0);
[INFO] [stderr] 27 +         cursor.end_of_table = num_cells == 0 ;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LEAF_NODE_CELL_SIZE`, `LEAF_NODE_MAX_CELLS`, `leaf_node_insert`, `leaf_node_key`, `leaf_node_value`, and `print_tree`
[INFO] [stderr]   --> src/main.rs:12:71
[INFO] [stderr]    |
[INFO] [stderr] 12 | ...e, leaf_node_insert, leaf_node_key, leaf_node_num_cells, leaf_node_value, print_tree, set_node_root, LEAF_NODE_CELL_SIZE, LEAF_NODE_HEADER_SIZE, LEAF_NODE_MAX_CELLS, L...
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^                       ^^^^^^^^^^^^^^^  ^^^^^^^^^^                 ^^^^^^^^^^^^^^^^^^^                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_keys`
[INFO] [stderr]    --> src/backend/node.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let num_keys = *internal_node_num_keys(node) as usize;
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_keys`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/backend/node.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |     let child = table.pager.get_page(child_page_num).unwrap();
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend/node.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |     let mut parent: &mut [u8; 4096];
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_node`
[INFO] [stderr]    --> src/backend/node.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |     let mut new_node: &mut [u8; 4096];
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_node`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `parent` is assigned to, but never used
[INFO] [stderr]    --> src/backend/node.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |     let mut parent: &mut [u8; 4096];
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_parent` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `old_node` is never read
[INFO] [stderr]    --> src/backend/node.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         old_node = table.pager.get_page(old_page_num).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 307 |     old_node = table.pager.get_page(parent_page_num).unwrap();
[INFO] [stderr]     |     --------------------------------------------------------- `old_node` is overwritten here before the previous value is read
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `parent` is never read
[INFO] [stderr]    --> src/backend/node.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         parent = table.pager.get_page(old_node_parent).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `parent` is never read
[INFO] [stderr]    --> src/backend/node.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |         parent = table.pager.get_page(table.root_page_num).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `old_num_keys` is never read
[INFO] [stderr]    --> src/backend/node.rs:342:5
[INFO] [stderr]     |
[INFO] [stderr] 342 |     old_num_keys -= 1;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/backend/node.rs:569:71
[INFO] [stderr]     |
[INFO] [stderr] 569 | pub fn leaf_node_split_and_insert(cursor: &Cursor, table: &mut Table, key: usize, value: &mut Row) {
[INFO] [stderr]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `table_start` is never used
[INFO] [stderr]   --> src/backend/cursor.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl Cursor{
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn table_start(table: &mut Table) -> std::io::Result<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TABLE_MAX_PAGES` is never used
[INFO] [stderr]  --> src/backend/table.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const TABLE_MAX_PAGES: usize = 100;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ROWS_PER_PAGE` is never used
[INFO] [stderr]  --> src/backend/table.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const ROWS_PER_PAGE: usize = PAGE_SIZE / ROW_SIZE;
[INFO] [stderr]   |           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TABLE_MAX_ROWS` is never used
[INFO] [stderr]  --> src/backend/table.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const TABLE_MAX_ROWS: usize = ROWS_PER_PAGE * TABLE_MAX_PAGES;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `table_start` is never used
[INFO] [stderr]   --> src/backend/table.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Table {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn table_start(&mut self) -> Cursor {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_test_table` is never used
[INFO] [stderr]    --> src/main.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn create_test_table() -> Table {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_row` is never used
[INFO] [stderr]    --> src/main.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn create_row(id: u32) -> Row {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/backend/node.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             drop(node); // drop the borrow before recursive call
[INFO] [stderr]    |             ^^^^^----^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&mut [u8; 4096]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 81 -             drop(node); // drop the borrow before recursive call
[INFO] [stderr] 81 +             let _ = node; // drop the borrow before recursive call
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:283:5
[INFO] [stderr]     |
[INFO] [stderr] 283 |     drop(old_node); // Now the borrow ends
[INFO] [stderr]     |     ^^^^^--------^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&mut [u8; 4096]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 283 -     drop(old_node); // Now the borrow ends
[INFO] [stderr] 283 +     let _ = old_node; // Now the borrow ends
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |         drop(new_node);
[INFO] [stderr]     |         ^^^^^--------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut [u8; 4096]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 304 -         drop(new_node);
[INFO] [stderr] 304 +         let _ = new_node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:343:5
[INFO] [stderr]     |
[INFO] [stderr] 343 |     drop(old_node);
[INFO] [stderr]     |     ^^^^^--------^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&mut [u8; 4096]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 343 -     drop(old_node);
[INFO] [stderr] 343 +     let _ = old_node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/backend/node.rs:479:5
[INFO] [stderr]     |
[INFO] [stderr] 479 |     table.pager.get_page(left_child_num as usize); // Pre-allocate
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 479 |     let _ = table.pager.get_page(left_child_num as usize); // Pre-allocate
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:512:5
[INFO] [stderr]     |
[INFO] [stderr] 512 |     drop(root_binding);
[INFO] [stderr]     |     ^^^^^------------^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 512 -     drop(root_binding);
[INFO] [stderr] 512 +     let _ = root_binding;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:513:5
[INFO] [stderr]     |
[INFO] [stderr] 513 |     drop(right_child_binding);
[INFO] [stderr]     |     ^^^^^-------------------^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 513 -     drop(right_child_binding);
[INFO] [stderr] 513 +     let _ = right_child_binding;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:514:5
[INFO] [stderr]     |
[INFO] [stderr] 514 |     drop(left_child_binding);
[INFO] [stderr]     |     ^^^^^------------------^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&mut Option<Box<[u8; 4096]>>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 514 -     drop(left_child_binding);
[INFO] [stderr] 514 +     let _ = left_child_binding;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:653:5
[INFO] [stderr]     |
[INFO] [stderr] 653 |     drop(node);
[INFO] [stderr]     |     ^^^^^----^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&mut [u8; 4096]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 653 -     drop(node);
[INFO] [stderr] 653 +     let _ = node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:671:13
[INFO] [stderr]     |
[INFO] [stderr] 671 |             drop(node);
[INFO] [stderr]     |             ^^^^^----^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  argument has type `&mut [u8; 4096]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 671 -             drop(node);
[INFO] [stderr] 671 +             let _ = node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:677:21
[INFO] [stderr]     |
[INFO] [stderr] 677 |                     drop(node);
[INFO] [stderr]     |                     ^^^^^----^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          argument has type `&mut [u8; 4096]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 677 -                     drop(node);
[INFO] [stderr] 677 +                     let _ = node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:683:21
[INFO] [stderr]     |
[INFO] [stderr] 683 |                     drop(node);
[INFO] [stderr]     |                     ^^^^^----^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          argument has type `&mut [u8; 4096]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 683 -                     drop(node);
[INFO] [stderr] 683 +                     let _ = node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/backend/node.rs:688:17
[INFO] [stderr]     |
[INFO] [stderr] 688 |                 drop(node);
[INFO] [stderr]     |                 ^^^^^----^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      argument has type `&mut [u8; 4096]`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 688 -                 drop(node);
[INFO] [stderr] 688 +                 let _ = node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_database` (bin "rust_database" test) generated 36 warnings (run `cargo fix --bin "rust_database" -p rust_database --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_database-1ccf2261c354aaa5)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_row_serialization_roundtrip ... ok
[INFO] [stdout] test tests::test_cursor_value_reads_correct_location ... FAILED
[INFO] [stdout] test tests::test_insert_multiple_rows_and_validate ... FAILED
[INFO] [stdout] test tests::pager_read_write_cycle ... FAILED
[INFO] [stdout] test tests::test_cursor_advance ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin rust_database`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_cursor_value_reads_correct_location stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_cursor_value_reads_correct_location' (20) panicked at src/main.rs:68:42:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b0fccd41b28 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b0fccd5599a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b0fccd5599a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5b0fccd46392 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5b0fccd46392 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5b0fccd20b06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b0fccd20b06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b0fccd3a019 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b0fcccd5eac - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5b0fcccd5eac - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5b0fccd3a1d2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5b0fccd3a1d2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b0fccd20bc2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5b0fccd184a9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b0fccd218dd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b0fccd560ec - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b0fccd55e62 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5b0fcccbcb61 - <core[5a1c3e9896636f3a]::result::Result<rust_database[9992fc3c5a1e303f]::backend::table::Table, std[d054f6f42beb1baa]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5b0fcccbcb61 - rust_database[9992fc3c5a1e303f]::tests::test_cursor_value_reads_correct_location
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:68:42
[INFO] [stdout]   22:     0x5b0fcccbb167 - rust_database[9992fc3c5a1e303f]::tests::test_cursor_value_reads_correct_location::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:65:50
[INFO] [stdout]   23:     0x5b0fcccc39b6 - <rust_database[9992fc3c5a1e303f]::tests::test_cursor_value_reads_correct_location::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b0fcccc8f8b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b0fcccc8f8b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5b0fcccd6805 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5b0fcccd1364 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5b0fcccd1364 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5b0fcccd9882 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5b0fcccd9882 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b0fccd4148f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5b0fccd4148f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x74761e5afaa4 - <unknown>
[INFO] [stdout]   45:     0x74761e63ca64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_insert_multiple_rows_and_validate stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_insert_multiple_rows_and_validate' (21) panicked at src/main.rs:133:47:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b0fccd41b28 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b0fccd5599a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b0fccd5599a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5b0fccd46392 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5b0fccd46392 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5b0fccd20b06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b0fccd20b06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b0fccd3a019 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b0fcccd5eac - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5b0fcccd5eac - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5b0fccd3a1d2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5b0fccd3a1d2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b0fccd20bc2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5b0fccd184a9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b0fccd218dd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b0fccd560ec - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b0fccd55e62 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5b0fcccbc55c - <core[5a1c3e9896636f3a]::result::Result<rust_database[9992fc3c5a1e303f]::backend::table::Table, std[d054f6f42beb1baa]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5b0fcccbc55c - rust_database[9992fc3c5a1e303f]::tests::test_insert_multiple_rows_and_validate
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:133:47
[INFO] [stdout]   22:     0x5b0fcccbb137 - rust_database[9992fc3c5a1e303f]::tests::test_insert_multiple_rows_and_validate::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:129:44
[INFO] [stdout]   23:     0x5b0fcccc3976 - <rust_database[9992fc3c5a1e303f]::tests::test_insert_multiple_rows_and_validate::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b0fcccc8f8b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b0fcccc8f8b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5b0fcccd6805 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5b0fcccd1364 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5b0fcccd1364 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5b0fcccd9882 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5b0fcccd9882 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b0fccd4148f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5b0fccd4148f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x74761e5afaa4 - <unknown>
[INFO] [stdout]   45:     0x74761e63ca64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::pager_read_write_cycle stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::pager_read_write_cycle' (18) panicked at src/main.rs:25:48:
[INFO] [stdout] Failed to open pager: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b0fccd41b28 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b0fccd5599a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b0fccd5599a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5b0fccd46392 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5b0fccd46392 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5b0fccd20b06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b0fccd20b06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b0fccd3a019 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b0fcccd5eac - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5b0fcccd5eac - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5b0fccd3a1d2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5b0fccd3a1d2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b0fccd20bc2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5b0fccd184a9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b0fccd218dd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b0fccd560ec - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b0fccd55e62 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5b0fcccc5475 - <core[5a1c3e9896636f3a]::result::Result<rust_database[9992fc3c5a1e303f]::backend::pager::Pager, std[d054f6f42beb1baa]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5b0fcccbbfb7 - rust_database[9992fc3c5a1e303f]::tests::pager_read_write_cycle
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:25:48
[INFO] [stdout]   22:     0x5b0fcccbb0d7 - rust_database[9992fc3c5a1e303f]::tests::pager_read_write_cycle::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:20:32
[INFO] [stdout]   23:     0x5b0fcccc38f6 - <rust_database[9992fc3c5a1e303f]::tests::pager_read_write_cycle::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b0fcccc8f8b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b0fcccc8f8b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5b0fcccd6805 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5b0fcccd1364 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5b0fcccd1364 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5b0fcccd9882 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5b0fcccd9882 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b0fccd4148f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5b0fccd4148f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x74761e5afaa4 - <unknown>
[INFO] [stdout]   45:     0x74761e63ca64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_cursor_advance stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_cursor_advance' (19) panicked at src/main.rs:93:42:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b0fccd41b28 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b0fccd41b28 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b0fccd5599a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b0fccd5599a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x5b0fccd46392 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5b0fccd46392 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5b0fccd20b06 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b0fccd20b06 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b0fccd3a019 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b0fcccd5eac - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5b0fcccd5eac - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5b0fccd3a1d2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5b0fccd3a1d2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b0fccd20bc2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5b0fccd184a9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b0fccd218dd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b0fccd560ec - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b0fccd55e62 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5b0fcccbbb11 - <core[5a1c3e9896636f3a]::result::Result<rust_database[9992fc3c5a1e303f]::backend::table::Table, std[d054f6f42beb1baa]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5b0fcccbbb11 - rust_database[9992fc3c5a1e303f]::tests::test_cursor_advance
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:93:42
[INFO] [stdout]   22:     0x5b0fcccbb0a7 - rust_database[9992fc3c5a1e303f]::tests::test_cursor_advance::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:90:29
[INFO] [stdout]   23:     0x5b0fcccc38b6 - <rust_database[9992fc3c5a1e303f]::tests::test_cursor_advance::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b0fcccc8f8b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b0fcccc8f8b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5b0fcccd6805 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5b0fcccd6805 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5b0fcccd6805 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5b0fcccd1364 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5b0fcccd1364 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5b0fcccd9882 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b0fcccd9882 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5b0fcccd9882 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b0fccd4148f - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x5b0fccd4148f - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x74761e5afaa4 - <unknown>
[INFO] [stdout]   45:     0x74761e63ca64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::pager_read_write_cycle
[INFO] [stdout]     tests::test_cursor_advance
[INFO] [stdout]     tests::test_cursor_value_reads_correct_location
[INFO] [stdout]     tests::test_insert_multiple_rows_and_validate
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d708e260f8340ebe6f38f68736b09fd118a6a5dcacdda297732f1cb2920639a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d708e260f8340ebe6f38f68736b09fd118a6a5dcacdda297732f1cb2920639a", kill_on_drop: false }`
[INFO] [stdout] 8d708e260f8340ebe6f38f68736b09fd118a6a5dcacdda297732f1cb2920639a
