[INFO] cloning repository https://github.com/taisho6339/database-internal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taisho6339/database-internal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisho6339%2Fdatabase-internal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisho6339%2Fdatabase-internal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd4d9d2ede9ba37957e207c5280b5036298718b3
[INFO] testing taisho6339/database-internal against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisho6339%2Fdatabase-internal" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taisho6339/database-internal on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taisho6339/database-internal
[INFO] finished tweaking git repo https://github.com/taisho6339/database-internal
[INFO] tweaked toml for git repo https://github.com/taisho6339/database-internal written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/taisho6339/database-internal 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binary-layout v3.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2e1ee542e21f86d0ea464944165da59f3839ce040f8f8ee883f29c868f7b8c5
[INFO] running `Command { std: "docker" "start" "-a" "b2e1ee542e21f86d0ea464944165da59f3839ce040f8f8ee883f29c868f7b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2e1ee542e21f86d0ea464944165da59f3839ce040f8f8ee883f29c868f7b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e1ee542e21f86d0ea464944165da59f3839ce040f8f8ee883f29c868f7b8c5", kill_on_drop: false }`
[INFO] [stdout] b2e1ee542e21f86d0ea464944165da59f3839ce040f8f8ee883f29c868f7b8c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 019b42f872e056582de9f0c17b33bc6ad848ecbb66f594bd4c64cb431375d078
[INFO] running `Command { std: "docker" "start" "-a" "019b42f872e056582de9f0c17b33bc6ad848ecbb66f594bd4c64cb431375d078", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling binary-layout v3.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]    Compiling thiserror v1.0.34
[INFO] [stderr]    Compiling database-internal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/btree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::btree::node::Node`
[INFO] [stdout]  --> src/btree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::btree::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]  --> src/btree/slotted_page.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::btree::slotted_page::cell::body`
[INFO] [stdout]  --> src/btree/slotted_page.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::btree::slotted_page::cell::body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/btree/node.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/btree/node.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SlottedPage`
[INFO] [stdout]  --> src/btree/node.rs:8:53
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::btree::slotted_page::{MAGIC_NUMBER_LEAF, SlottedPage};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::disk_manager::PageId`
[INFO] [stdout]   --> src/btree/node.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::disk_manager::PageId;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/access_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/access_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/access_manager.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/access_manager.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufferError`
[INFO] [stdout]   --> src/access_manager.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::buffer_manager::{BufferError, BufferId, PageBuffer};
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/disk_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/disk_manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/disk_manager.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/access_manager.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut disk_manager = DiskManager::new(path).context("failed to new disk manager")?;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/access_manager.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut buffer_manager = BufferManager::new(10);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let a = [1, 2, 3];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn print(a: [i32; 3]) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Btree` is never constructed
[INFO] [stdout]   --> src/btree.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Btree {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_PAGE_ID` is never used
[INFO] [stdout]   --> src/btree.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const ROOT_PAGE_ID: PageId = PageId(0);
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/btree.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Btree {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(access_manager: Rc<AccessManager>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POINTER_SIZE` is never used
[INFO] [stdout]   --> src/btree/slotted_page.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const POINTER_SIZE: usize = 32;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_NUMBER_LEAF` is never used
[INFO] [stdout]   --> src/btree/slotted_page.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const MAGIC_NUMBER_LEAF: u32 = 0x32DD56AA;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_NUMBER_INTERNAL` is never used
[INFO] [stdout]   --> src/btree/slotted_page.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub const MAGIC_NUMBER_INTERNAL: u32 = 0x32DD77AB;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidKey` and `PageOverflow` are never constructed
[INFO] [stdout]   --> src/btree/slotted_page.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 70 |     #[error("invalid key")]
[INFO] [stdout] 71 |     InvalidKey,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 72 |     #[error("page over flow")]
[INFO] [stdout] 73 |     PageOverflow,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/btree/slotted_page.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout] 76  | impl SlottedPage {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92  |     pub fn wrap(data: [u8; PAGE_SIZE]) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98  |     pub fn valid(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn to_bytes(&self) -> &[u8; PAGE_SIZE] {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn body_view(&self) -> &[u8] {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn body_view_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn pointer_view(&self, index: usize) -> pointer::View<impl AsRef<[u8]> + '_> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub fn pointer_view_mut(&mut self, index: usize) -> pointer::View<impl AsRef<[u8]> + AsMut<[u8]> + '_> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn cell_view(&self, index: usize) -> cell::View<impl AsRef<[u8]> + '_> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn cell_view_mut(&mut self, index: usize) -> cell::View<impl AsRef<[u8]> + AsMut<[u8]> + '_> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn cell_free_space(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     pub fn add_cell(&mut self, index: usize, key: &[u8], value: &[u8]) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/btree/node.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Node {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_leaf`, and `find` are never used
[INFO] [stdout]   --> src/btree/node.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 26 |     pub fn new(page_buffer: Rc<PageBuffer>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn is_leaf(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn find(&self, key: &[u8]) -> (u16, bool) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AccessManager` is never constructed
[INFO] [stdout]   --> src/access_manager.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct AccessManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `initialize`, and `fetch_page` are never used
[INFO] [stdout]   --> src/access_manager.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl AccessManager {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 24 |     pub fn new(path: impl AsRef<Path>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn initialize(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<Rc<PageBuffer>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_usize`, `to_u32`, `to_u64`, and `increment_id` are never used
[INFO] [stdout]   --> src/buffer_manager.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl BufferId {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn to_usize(&self) -> usize { self.0 as usize }
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 13 |     pub fn to_u32(self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn increment_id(self) -> BufferId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NoFreeBuffer` is never constructed
[INFO] [stdout]   --> src/buffer_manager.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum BufferError {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 26 |     #[error("no free buffer available in buffer pool")]
[INFO] [stdout] 27 |     NoFreeBuffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufferError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `is_pinned`, `usage_count`, and `buffer` are never read
[INFO] [stdout]   --> src/buffer_manager.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct BufferItem {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 47 |     is_pinned: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 48 |     usage_count: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 49 |     buffer: Rc<PageBuffer>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufferItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferManager` is never constructed
[INFO] [stdout]   --> src/buffer_manager.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct BufferManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_page`, `fetch_page`, and `increment_next_buffer_id` are never used
[INFO] [stdout]    --> src/buffer_manager.rs:59:12
[INFO] [stdout]     |
[INFO] [stdout] 58  | impl BufferManager {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 59  |     pub fn new(size: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |     pub fn add_page(&mut self, item: SlottedPage) -> Result<BufferId, BufferError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn fetch_page(&mut self, buffer_id: BufferId) -> Option<Rc<PageBuffer>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn increment_next_buffer_id(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_u32` and `to_u64` are never used
[INFO] [stdout]   --> src/disk_manager.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl PageId {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 15 |     pub fn to_u32(self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DiskManager` is never constructed
[INFO] [stdout]   --> src/disk_manager.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct DiskManager {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `next_page_id`, `write_page`, and `fetch_page` are never used
[INFO] [stdout]   --> src/disk_manager.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DiskManager {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(file_path: impl AsRef<Path>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn next_page_id(&self) -> &PageId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn write_page(&mut self, page_id: PageId, page: &SlottedPage) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<SlottedPage> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "019b42f872e056582de9f0c17b33bc6ad848ecbb66f594bd4c64cb431375d078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019b42f872e056582de9f0c17b33bc6ad848ecbb66f594bd4c64cb431375d078", kill_on_drop: false }`
[INFO] [stdout] 019b42f872e056582de9f0c17b33bc6ad848ecbb66f594bd4c64cb431375d078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30b319d20e9e56bfe5b745362b1a36574cea9e4e2f5114db6472ef093f29e05e
[INFO] running `Command { std: "docker" "start" "-a" "30b319d20e9e56bfe5b745362b1a36574cea9e4e2f5114db6472ef093f29e05e", kill_on_drop: false }`
[INFO] [stderr]    Compiling database-internal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/btree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::btree::node::Node`
[INFO] [stdout]  --> src/btree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::btree::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]  --> src/btree/slotted_page.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::btree::slotted_page::cell::body`
[INFO] [stdout]  --> src/btree/slotted_page.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::btree::slotted_page::cell::body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/btree/node.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::disk_manager::PageId`
[INFO] [stdout]   --> src/btree/node.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::disk_manager::PageId;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/btree/node.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     use std::borrow::BorrowMut;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/btree/node.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell`, `pointer`
[INFO] [stdout]   --> src/btree/node.rs:85:38
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use crate::btree::slotted_page::{cell, MAGIC_NUMBER_LEAF, pointer};
[INFO] [stdout]    |                                      ^^^^                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/access_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/access_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/access_manager.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/access_manager.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufferError`
[INFO] [stdout]   --> src/access_manager.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::buffer_manager::{BufferError, BufferId, PageBuffer};
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/disk_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/disk_manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/disk_manager.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::write`
[INFO] [stdout]   --> src/disk_manager.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use std::ptr::write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell_size`
[INFO] [stdout]   --> src/btree/node.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let cell_size: usize = 8;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/access_manager.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut disk_manager = DiskManager::new(path).context("failed to new disk manager")?;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/access_manager.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut buffer_manager = BufferManager::new(10);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cleanup`
[INFO] [stdout]   --> src/access_manager.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let cleanup = Cleanup;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cleanup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cleanup`
[INFO] [stdout]   --> src/disk_manager.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let cleanup = Cleanup;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cleanup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let a = [1, 2, 3];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn print(a: [i32; 3]) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Btree` is never constructed
[INFO] [stdout]   --> src/btree.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Btree {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_PAGE_ID` is never used
[INFO] [stdout]   --> src/btree.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const ROOT_PAGE_ID: PageId = PageId(0);
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/btree.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Btree {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(access_manager: Rc<AccessManager>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POINTER_SIZE` is never used
[INFO] [stdout]   --> src/btree/slotted_page.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const POINTER_SIZE: usize = 32;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_leaf` is never used
[INFO] [stdout]   --> src/btree/node.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn is_leaf(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fetch_page` is never used
[INFO] [stdout]   --> src/access_manager.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl AccessManager {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<Rc<PageBuffer>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_u32`, `to_u64`, and `increment_id` are never used
[INFO] [stdout]   --> src/buffer_manager.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl BufferId {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn to_usize(&self) -> usize { self.0 as usize }
[INFO] [stdout] 13 |     pub fn to_u32(self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn increment_id(self) -> BufferId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_u32` is never used
[INFO] [stdout]   --> src/disk_manager.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl PageId {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 15 |     pub fn to_u32(self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `next_page_id` is never read
[INFO] [stdout]   --> src/disk_manager.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct DiskManager {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 27 |     file: File,
[INFO] [stdout] 28 |     next_page_id: PageId,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_page_id` is never used
[INFO] [stdout]   --> src/disk_manager.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DiskManager {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn next_page_id(&self) -> &PageId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "30b319d20e9e56bfe5b745362b1a36574cea9e4e2f5114db6472ef093f29e05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b319d20e9e56bfe5b745362b1a36574cea9e4e2f5114db6472ef093f29e05e", kill_on_drop: false }`
[INFO] [stdout] 30b319d20e9e56bfe5b745362b1a36574cea9e4e2f5114db6472ef093f29e05e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4a471b0c34d798fed7bfa51eea8d2f6d4c3e1c7bb16da802a5072d21a6896a9
[INFO] running `Command { std: "docker" "start" "-a" "f4a471b0c34d798fed7bfa51eea8d2f6d4c3e1c7bb16da802a5072d21a6896a9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `anyhow::Context`
[INFO] [stderr]  --> src/btree.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use anyhow::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::btree::node::Node`
[INFO] [stderr]  --> src/btree.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::btree::node::Node;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stderr]  --> src/btree/slotted_page.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stderr]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::btree::slotted_page::cell::body`
[INFO] [stderr]  --> src/btree/slotted_page.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::btree::slotted_page::cell::body;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thiserror::Error`
[INFO] [stderr]  --> src/btree/node.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use thiserror::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::disk_manager::PageId`
[INFO] [stderr]   --> src/btree/node.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::disk_manager::PageId;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]   --> src/btree/node.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     use std::borrow::BorrowMut;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/btree/node.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     use std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `cell`, `pointer`
[INFO] [stderr]   --> src/btree/node.rs:85:38
[INFO] [stderr]    |
[INFO] [stderr] 85 |     use crate::btree::slotted_page::{cell, MAGIC_NUMBER_LEAF, pointer};
[INFO] [stderr]    |                                      ^^^^                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/access_manager.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/access_manager.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow`
[INFO] [stderr]  --> src/access_manager.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thiserror::Error`
[INFO] [stderr]  --> src/access_manager.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use thiserror::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufferError`
[INFO] [stderr]   --> src/access_manager.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::buffer_manager::{BufferError, BufferId, PageBuffer};
[INFO] [stderr]    |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/disk_manager.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/disk_manager.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow`
[INFO] [stderr]  --> src/disk_manager.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::write`
[INFO] [stderr]   --> src/disk_manager.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     use std::ptr::write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cell_size`
[INFO] [stderr]   --> src/btree/node.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let cell_size: usize = 8;
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/access_manager.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut disk_manager = DiskManager::new(path).context("failed to new disk manager")?;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/access_manager.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut buffer_manager = BufferManager::new(10);
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cleanup`
[INFO] [stderr]   --> src/access_manager.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let cleanup = Cleanup;
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cleanup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cleanup`
[INFO] [stderr]   --> src/disk_manager.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let cleanup = Cleanup;
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cleanup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let a = [1, 2, 3];
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: function `print` is never used
[INFO] [stderr]  --> src/main.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn print(a: [i32; 3]) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Btree` is never constructed
[INFO] [stderr]   --> src/btree.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Btree {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ROOT_PAGE_ID` is never used
[INFO] [stderr]   --> src/btree.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | const ROOT_PAGE_ID: PageId = PageId(0);
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/btree.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Btree {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn new(access_manager: Rc<AccessManager>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `POINTER_SIZE` is never used
[INFO] [stderr]   --> src/btree/slotted_page.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub const POINTER_SIZE: usize = 32;
[INFO] [stderr]    |           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_leaf` is never used
[INFO] [stderr]   --> src/btree/node.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Node {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn is_leaf(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fetch_page` is never used
[INFO] [stderr]   --> src/access_manager.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl AccessManager {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<Rc<PageBuffer>> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `to_u32`, `to_u64`, and `increment_id` are never used
[INFO] [stderr]   --> src/buffer_manager.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl BufferId {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 12 |     pub fn to_usize(&self) -> usize { self.0 as usize }
[INFO] [stderr] 13 |     pub fn to_u32(self) -> u32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn to_u64(self) -> u64 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn increment_id(self) -> BufferId {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_u32` is never used
[INFO] [stderr]   --> src/disk_manager.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl PageId {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 15 |     pub fn to_u32(self) -> u32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `next_page_id` is never read
[INFO] [stderr]   --> src/disk_manager.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct DiskManager {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 27 |     file: File,
[INFO] [stderr] 28 |     next_page_id: PageId,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `next_page_id` is never used
[INFO] [stderr]   --> src/disk_manager.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl DiskManager {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn next_page_id(&self) -> &PageId {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `database-internal` (bin "database-internal" test) generated 35 warnings (run `cargo fix --bin "database-internal" --tests` to apply 24 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/database_internal-cc4c5f82361084ea)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test btree::slotted_page::tests::test_add_cell ... ok
[INFO] [stdout] test btree::node::tests::test_find ... ok
[INFO] [stdout] test btree::slotted_page::tests::test_new ... ok
[INFO] [stdout] test buffer_manager::tests::test_add_page ... ok
[INFO] [stdout] test btree::slotted_page::tests::test_get_pointer ... ok
[INFO] [stdout] test buffer_manager::tests::test_increment_next_buffer_id ... ok
[INFO] [stdout] test buffer_manager::tests::test_fetch_page ... ok
[INFO] [stdout] thread 'disk_manager::tests::work_as_expected' panicked at src/disk_manager.rs:94:9:
[INFO] [stderr] thread 'disk_manager::tests::work_as_expected' panicked at library/core/src/panicking.rs:163:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stderr] panic in a destructor during cleanup
[INFO] [stdout]   left: false
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stdout]  right: true
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5619619af526 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5619619af526 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5619619af526 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5619619af526 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5619619d8450 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5619619d8450 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5619619acf8f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5619619af304 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5619619af304 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5619619b1077 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x5619619b0d5d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56196197c0e7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56196197c0e7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5619619b1696 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5619619b1696 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5619619b13e2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5619619afa26 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5619619b1140 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x561961921225 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56196192165b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56196192d03e - core::panicking::assert_failed::h070c35846eeed18c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x561961943e87 - database_internal::disk_manager::tests::work_as_expected::hd4874ce664730688
[INFO] [stdout]                                at /opt/rustwide/workdir/src/disk_manager.rs:94:9
[INFO] [stdout]   22:     0x561961943bd7 - database_internal::disk_manager::tests::work_as_expected::{{closure}}::hb577b4dc4ff2b94e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/disk_manager.rs:88:26
[INFO] [stdout]   23:     0x56196193bac6 - core::ops::function::FnOnce::call_once::h8974270cf8d648e7
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5619619819bf - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5619619819bf - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x561961980741 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x561961980741 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x561961980741 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x561961980741 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x561961980741 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x561961980741 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x561961980741 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x561961947a76 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x561961947a76 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x56196194cad7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x56196194cad7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56196194cad7 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x56196194cad7 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x56196194cad7 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x56196194cad7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x56196194cad7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5619619b61f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x5619619b61f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x5619619b61f5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f6e7d5e2ac3 - <unknown>
[INFO] [stdout]   46:     0x7f6e7d673bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] thread 'disk_manager::tests::work_as_expected' panicked at src/disk_manager.rs:83:38:
[INFO] [stdout] failed to remove db file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5619619af526 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5619619af526 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5619619af526 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5619619af526 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5619619d8450 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5619619d8450 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5619619acf8f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5619619af304 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5619619af304 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5619619b1077 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x5619619b0d5d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56196197c0e7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56196197c0e7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5619619b1696 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5619619b1696 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5619619b13e2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5619619afa26 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5619619b1140 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x561961921225 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5619619217c3 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x5619619394cf - core::result::Result<T,E>::expect::h4973bfd4f2d91316
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1030:23
[INFO] [stdout]   21:     0x561961943bb1 - <database_internal::disk_manager::tests::Cleanup as core::ops::drop::Drop>::drop::ha18829295d6e1173
[INFO] [stdout]                                at /opt/rustwide/workdir/src/disk_manager.rs:83:13
[INFO] [stdout]   22:     0x56196193c5ba - core::ptr::drop_in_place<database_internal::disk_manager::tests::Cleanup>::hb50b351895e31fd3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ptr/mod.rs:507:1
[INFO] [stdout]   23:     0x561961943c96 - database_internal::disk_manager::tests::work_as_expected::hd4874ce664730688
[INFO] [stdout]                                at /opt/rustwide/workdir/src/disk_manager.rs:110:5
[INFO] [stdout]   24:     0x561961943bd7 - database_internal::disk_manager::tests::work_as_expected::{{closure}}::hb577b4dc4ff2b94e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/disk_manager.rs:88:26
[INFO] [stdout]   25:     0x56196193bac6 - core::ops::function::FnOnce::call_once::h8974270cf8d648e7
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5619619819bf - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5619619819bf - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   28:     0x561961980741 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   29:     0x561961980741 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x561961980741 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   31:     0x561961980741 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   32:     0x561961980741 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x561961980741 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   34:     0x561961980741 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   35:     0x561961947a76 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   36:     0x561961947a76 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x56196194cad7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x56196194cad7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x56196194cad7 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   40:     0x56196194cad7 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   41:     0x56196194cad7 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x56196194cad7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x56196194cad7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5619619b61f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x5619619b61f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x5619619b61f5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f6e7d5e2ac3 - <unknown>
[INFO] [stdout]   48:     0x7f6e7d673bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--bin database-internal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/database_internal-cc4c5f82361084ea` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "f4a471b0c34d798fed7bfa51eea8d2f6d4c3e1c7bb16da802a5072d21a6896a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a471b0c34d798fed7bfa51eea8d2f6d4c3e1c7bb16da802a5072d21a6896a9", kill_on_drop: false }`
[INFO] [stdout] f4a471b0c34d798fed7bfa51eea8d2f6d4c3e1c7bb16da802a5072d21a6896a9
[INFO] testing taisho6339/database-internal against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisho6339%2Fdatabase-internal" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taisho6339/database-internal on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taisho6339/database-internal
[INFO] finished tweaking git repo https://github.com/taisho6339/database-internal
[INFO] tweaked toml for git repo https://github.com/taisho6339/database-internal written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/taisho6339/database-internal 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02cb0c56b51db703525ba0f130ff284f260b02b858fec0053a2b01bb3343faf9
[INFO] running `Command { std: "docker" "start" "-a" "02cb0c56b51db703525ba0f130ff284f260b02b858fec0053a2b01bb3343faf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02cb0c56b51db703525ba0f130ff284f260b02b858fec0053a2b01bb3343faf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02cb0c56b51db703525ba0f130ff284f260b02b858fec0053a2b01bb3343faf9", kill_on_drop: false }`
[INFO] [stdout] 02cb0c56b51db703525ba0f130ff284f260b02b858fec0053a2b01bb3343faf9
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f1b8e68c4272ba3eb1c9072b78a9710dcd68c862ab4940752340a44c6976bb1
[INFO] running `Command { std: "docker" "start" "-a" "9f1b8e68c4272ba3eb1c9072b78a9710dcd68c862ab4940752340a44c6976bb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling binary-layout v3.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]    Compiling thiserror v1.0.34
[INFO] [stderr]    Compiling database-internal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/btree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::btree::node::Node`
[INFO] [stdout]  --> src/btree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::btree::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]  --> src/btree/slotted_page.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::btree::slotted_page::cell::body`
[INFO] [stdout]  --> src/btree/slotted_page.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::btree::slotted_page::cell::body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/btree/node.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/btree/node.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SlottedPage`
[INFO] [stdout]  --> src/btree/node.rs:8:53
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::btree::slotted_page::{MAGIC_NUMBER_LEAF, SlottedPage};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::disk_manager::PageId`
[INFO] [stdout]   --> src/btree/node.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::disk_manager::PageId;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/access_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/access_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/access_manager.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/access_manager.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufferError`
[INFO] [stdout]   --> src/access_manager.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::buffer_manager::{BufferError, BufferId, PageBuffer};
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/disk_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/disk_manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/disk_manager.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/access_manager.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut disk_manager = DiskManager::new(path).context("failed to new disk manager")?;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/access_manager.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut buffer_manager = BufferManager::new(10);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let a = [1, 2, 3];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn print(a: [i32; 3]) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Btree` is never constructed
[INFO] [stdout]   --> src/btree.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Btree {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_PAGE_ID` is never used
[INFO] [stdout]   --> src/btree.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const ROOT_PAGE_ID: PageId = PageId(0);
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/btree.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Btree {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(access_manager: Rc<AccessManager>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POINTER_SIZE` is never used
[INFO] [stdout]   --> src/btree/slotted_page.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const POINTER_SIZE: usize = 32;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_NUMBER_LEAF` is never used
[INFO] [stdout]   --> src/btree/slotted_page.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const MAGIC_NUMBER_LEAF: u32 = 0x32DD56AA;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_NUMBER_INTERNAL` is never used
[INFO] [stdout]   --> src/btree/slotted_page.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub const MAGIC_NUMBER_INTERNAL: u32 = 0x32DD77AB;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidKey` and `PageOverflow` are never constructed
[INFO] [stdout]   --> src/btree/slotted_page.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 70 |     #[error("invalid key")]
[INFO] [stdout] 71 |     InvalidKey,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 72 |     #[error("page over flow")]
[INFO] [stdout] 73 |     PageOverflow,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/btree/slotted_page.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout] 76  | impl SlottedPage {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92  |     pub fn wrap(data: [u8; PAGE_SIZE]) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98  |     pub fn valid(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn to_bytes(&self) -> &[u8; PAGE_SIZE] {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn body_view(&self) -> &[u8] {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn body_view_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn pointer_view(&self, index: usize) -> pointer::View<impl AsRef<[u8]> + '_> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub fn pointer_view_mut(&mut self, index: usize) -> pointer::View<impl AsRef<[u8]> + AsMut<[u8]> + '_> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn cell_view(&self, index: usize) -> cell::View<impl AsRef<[u8]> + '_> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn cell_view_mut(&mut self, index: usize) -> cell::View<impl AsRef<[u8]> + AsMut<[u8]> + '_> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn cell_free_space(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     pub fn add_cell(&mut self, index: usize, key: &[u8], value: &[u8]) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/btree/node.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Node {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_leaf`, and `find` are never used
[INFO] [stdout]   --> src/btree/node.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 26 |     pub fn new(page_buffer: Rc<PageBuffer>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn is_leaf(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn find(&self, key: &[u8]) -> (u16, bool) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AccessManager` is never constructed
[INFO] [stdout]   --> src/access_manager.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct AccessManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `initialize`, and `fetch_page` are never used
[INFO] [stdout]   --> src/access_manager.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl AccessManager {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 24 |     pub fn new(path: impl AsRef<Path>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn initialize(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<Rc<PageBuffer>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_usize`, `to_u32`, `to_u64`, and `increment_id` are never used
[INFO] [stdout]   --> src/buffer_manager.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl BufferId {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn to_usize(&self) -> usize { self.0 as usize }
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 13 |     pub fn to_u32(self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn increment_id(self) -> BufferId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NoFreeBuffer` is never constructed
[INFO] [stdout]   --> src/buffer_manager.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum BufferError {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 26 |     #[error("no free buffer available in buffer pool")]
[INFO] [stdout] 27 |     NoFreeBuffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufferError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `is_pinned`, `usage_count`, and `buffer` are never read
[INFO] [stdout]   --> src/buffer_manager.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct BufferItem {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 47 |     is_pinned: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 48 |     usage_count: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 49 |     buffer: Rc<PageBuffer>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufferItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferManager` is never constructed
[INFO] [stdout]   --> src/buffer_manager.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct BufferManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_page`, `fetch_page`, and `increment_next_buffer_id` are never used
[INFO] [stdout]    --> src/buffer_manager.rs:59:12
[INFO] [stdout]     |
[INFO] [stdout] 58  | impl BufferManager {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 59  |     pub fn new(size: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |     pub fn add_page(&mut self, item: SlottedPage) -> Result<BufferId, BufferError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn fetch_page(&mut self, buffer_id: BufferId) -> Option<Rc<PageBuffer>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn increment_next_buffer_id(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_u32` and `to_u64` are never used
[INFO] [stdout]   --> src/disk_manager.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl PageId {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 15 |     pub fn to_u32(self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DiskManager` is never constructed
[INFO] [stdout]   --> src/disk_manager.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct DiskManager {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `next_page_id`, `write_page`, and `fetch_page` are never used
[INFO] [stdout]   --> src/disk_manager.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DiskManager {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(file_path: impl AsRef<Path>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn next_page_id(&self) -> &PageId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn write_page(&mut self, page_id: PageId, page: &SlottedPage) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<SlottedPage> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "9f1b8e68c4272ba3eb1c9072b78a9710dcd68c862ab4940752340a44c6976bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1b8e68c4272ba3eb1c9072b78a9710dcd68c862ab4940752340a44c6976bb1", kill_on_drop: false }`
[INFO] [stdout] 9f1b8e68c4272ba3eb1c9072b78a9710dcd68c862ab4940752340a44c6976bb1
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838cb76fa6a8da76c679f3b4f46e9d2d69fa357389b83ddd138a448f44410075
[INFO] running `Command { std: "docker" "start" "-a" "838cb76fa6a8da76c679f3b4f46e9d2d69fa357389b83ddd138a448f44410075", kill_on_drop: false }`
[INFO] [stderr]    Compiling database-internal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> src/btree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::btree::node::Node`
[INFO] [stdout]  --> src/btree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::btree::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]  --> src/btree/slotted_page.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::btree::slotted_page::cell::body`
[INFO] [stdout]  --> src/btree/slotted_page.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::btree::slotted_page::cell::body;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/btree/node.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::disk_manager::PageId`
[INFO] [stdout]   --> src/btree/node.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::disk_manager::PageId;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/btree/node.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     use std::borrow::BorrowMut;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/btree/node.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell`, `pointer`
[INFO] [stdout]   --> src/btree/node.rs:85:38
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use crate::btree::slotted_page::{cell, MAGIC_NUMBER_LEAF, pointer};
[INFO] [stdout]    |                                      ^^^^                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/access_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/access_manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/access_manager.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/access_manager.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufferError`
[INFO] [stdout]   --> src/access_manager.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::buffer_manager::{BufferError, BufferId, PageBuffer};
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/disk_manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/disk_manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/disk_manager.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::write`
[INFO] [stdout]   --> src/disk_manager.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use std::ptr::write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell_size`
[INFO] [stdout]   --> src/btree/node.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let cell_size: usize = 8;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/access_manager.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut disk_manager = DiskManager::new(path).context("failed to new disk manager")?;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/access_manager.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut buffer_manager = BufferManager::new(10);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cleanup`
[INFO] [stdout]   --> src/access_manager.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let cleanup = Cleanup;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cleanup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cleanup`
[INFO] [stdout]   --> src/disk_manager.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let cleanup = Cleanup;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cleanup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let a = [1, 2, 3];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn print(a: [i32; 3]) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Btree` is never constructed
[INFO] [stdout]   --> src/btree.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Btree {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_PAGE_ID` is never used
[INFO] [stdout]   --> src/btree.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const ROOT_PAGE_ID: PageId = PageId(0);
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/btree.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Btree {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(access_manager: Rc<AccessManager>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POINTER_SIZE` is never used
[INFO] [stdout]   --> src/btree/slotted_page.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const POINTER_SIZE: usize = 32;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_leaf` is never used
[INFO] [stdout]   --> src/btree/node.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn is_leaf(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fetch_page` is never used
[INFO] [stdout]   --> src/access_manager.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl AccessManager {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<Rc<PageBuffer>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_u32`, `to_u64`, and `increment_id` are never used
[INFO] [stdout]   --> src/buffer_manager.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl BufferId {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 12 |     pub fn to_usize(&self) -> usize { self.0 as usize }
[INFO] [stdout] 13 |     pub fn to_u32(self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn to_u64(self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn increment_id(self) -> BufferId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_u32` is never used
[INFO] [stdout]   --> src/disk_manager.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl PageId {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 15 |     pub fn to_u32(self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `next_page_id` is never read
[INFO] [stdout]   --> src/disk_manager.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct DiskManager {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 27 |     file: File,
[INFO] [stdout] 28 |     next_page_id: PageId,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_page_id` is never used
[INFO] [stdout]   --> src/disk_manager.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DiskManager {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn next_page_id(&self) -> &PageId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "838cb76fa6a8da76c679f3b4f46e9d2d69fa357389b83ddd138a448f44410075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838cb76fa6a8da76c679f3b4f46e9d2d69fa357389b83ddd138a448f44410075", kill_on_drop: false }`
[INFO] [stdout] 838cb76fa6a8da76c679f3b4f46e9d2d69fa357389b83ddd138a448f44410075
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd2a3565ac931387278a95cb15667d2338df575fd3fa8472a630abb44425124e
[INFO] running `Command { std: "docker" "start" "-a" "dd2a3565ac931387278a95cb15667d2338df575fd3fa8472a630abb44425124e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `anyhow::Context`
[INFO] [stderr]  --> src/btree.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use anyhow::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::btree::node::Node`
[INFO] [stderr]  --> src/btree.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::btree::node::Node;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stderr]  --> src/btree/slotted_page.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stderr]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::btree::slotted_page::cell::body`
[INFO] [stderr]  --> src/btree/slotted_page.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::btree::slotted_page::cell::body;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thiserror::Error`
[INFO] [stderr]  --> src/btree/node.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use thiserror::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::disk_manager::PageId`
[INFO] [stderr]   --> src/btree/node.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::disk_manager::PageId;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]   --> src/btree/node.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     use std::borrow::BorrowMut;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/btree/node.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     use std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `cell`, `pointer`
[INFO] [stderr]   --> src/btree/node.rs:85:38
[INFO] [stderr]    |
[INFO] [stderr] 85 |     use crate::btree::slotted_page::{cell, MAGIC_NUMBER_LEAF, pointer};
[INFO] [stderr]    |                                      ^^^^                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/access_manager.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/access_manager.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow`
[INFO] [stderr]  --> src/access_manager.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thiserror::Error`
[INFO] [stderr]  --> src/access_manager.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use thiserror::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufferError`
[INFO] [stderr]   --> src/access_manager.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::buffer_manager::{BufferError, BufferId, PageBuffer};
[INFO] [stderr]    |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/disk_manager.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/disk_manager.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow`
[INFO] [stderr]  --> src/disk_manager.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | use anyhow::{anyhow, Context, Result};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::write`
[INFO] [stderr]   --> src/disk_manager.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     use std::ptr::write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cell_size`
[INFO] [stderr]   --> src/btree/node.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let cell_size: usize = 8;
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/access_manager.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut disk_manager = DiskManager::new(path).context("failed to new disk manager")?;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/access_manager.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut buffer_manager = BufferManager::new(10);
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cleanup`
[INFO] [stderr]   --> src/access_manager.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let cleanup = Cleanup;
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cleanup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cleanup`
[INFO] [stderr]   --> src/disk_manager.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let cleanup = Cleanup;
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cleanup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let a = [1, 2, 3];
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: function `print` is never used
[INFO] [stderr]  --> src/main.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn print(a: [i32; 3]) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Btree` is never constructed
[INFO] [stderr]   --> src/btree.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Btree {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ROOT_PAGE_ID` is never used
[INFO] [stderr]   --> src/btree.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | const ROOT_PAGE_ID: PageId = PageId(0);
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/btree.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Btree {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn new(access_manager: Rc<AccessManager>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `POINTER_SIZE` is never used
[INFO] [stderr]   --> src/btree/slotted_page.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub const POINTER_SIZE: usize = 32;
[INFO] [stderr]    |           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_leaf` is never used
[INFO] [stderr]   --> src/btree/node.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Node {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn is_leaf(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fetch_page` is never used
[INFO] [stderr]   --> src/access_manager.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl AccessManager {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn fetch_page(&mut self, page_id: PageId) -> Result<Rc<PageBuffer>> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `to_u32`, `to_u64`, and `increment_id` are never used
[INFO] [stderr]   --> src/buffer_manager.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl BufferId {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 12 |     pub fn to_usize(&self) -> usize { self.0 as usize }
[INFO] [stderr] 13 |     pub fn to_u32(self) -> u32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn to_u64(self) -> u64 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn increment_id(self) -> BufferId {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_u32` is never used
[INFO] [stderr]   --> src/disk_manager.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl PageId {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 15 |     pub fn to_u32(self) -> u32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `next_page_id` is never read
[INFO] [stderr]   --> src/disk_manager.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct DiskManager {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 27 |     file: File,
[INFO] [stderr] 28 |     next_page_id: PageId,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `next_page_id` is never used
[INFO] [stderr]   --> src/disk_manager.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl DiskManager {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn next_page_id(&self) -> &PageId {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `database-internal` (bin "database-internal" test) generated 35 warnings (run `cargo fix --bin "database-internal" --tests` to apply 24 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/database_internal-900a5350aa0bb862)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test btree::node::tests::test_find ... ok
[INFO] [stdout] test btree::slotted_page::tests::test_add_cell ... ok
[INFO] [stdout] test btree::slotted_page::tests::test_get_pointer ... ok
[INFO] [stdout] test btree::slotted_page::tests::test_new ... ok
[INFO] [stdout] test buffer_manager::tests::test_add_page ... ok
[INFO] [stdout] test buffer_manager::tests::test_increment_next_buffer_id ... ok
[INFO] [stdout] test buffer_manager::tests::test_fetch_page ... ok
[INFO] [stderr] thread 'access_manager::tests::test' panicked at library/core/src/panicking.rs:163:5:
[INFO] [stdout] thread 'access_manager::tests::test' panicked at src/access_manager.rs:87:9:
[INFO] [stderr] panic in a destructor during cleanup
[INFO] [stdout] assertion `left == right` failed
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stdout]   left: false
[INFO] [stdout]  right: true
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56526ffd1f36 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56526ffd1f36 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56526ffd1f36 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56526ffd1f36 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56526fffac90 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56526fffac90 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56526ffcf78f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56526ffd1d14 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56526ffd1d14 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56526ffd3a87 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x56526ffd376d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56526ff9e667 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56526ff9e667 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56526ffd40a6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56526ffd40a6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56526ffd3df2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56526ffd2436 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56526ffd3b44 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56526ff43cb5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56526ff440eb - core::panicking::assert_failed_inner::h2c4dd574e44796db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56526ff5afce - core::panicking::assert_failed::h34868d238196cf7b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x56526ff652c8 - database_internal::access_manager::tests::test::h28d6bbff12ad1b40
[INFO] [stdout]                                at /opt/rustwide/workdir/src/access_manager.rs:87:9
[INFO] [stdout]   22:     0x56526ff65177 - database_internal::access_manager::tests::test::{{closure}}::he221fe4a30faa6aa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/access_manager.rs:84:14
[INFO] [stdout]   23:     0x56526ff51726 - core::ops::function::FnOnce::call_once::hb25700ca85f15c87
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56526ffa425f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56526ffa425f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x56526ffa3081 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x56526ffa3081 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56526ffa3081 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x56526ffa3081 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x56526ffa3081 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x56526ffa3081 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x56526ffa3081 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x56526ff6a4e6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x56526ff6a4e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x56526ff6f4a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x56526ff6f4a7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56526ff6f4a7 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x56526ff6f4a7 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x56526ff6f4a7 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x56526ff6f4a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x56526ff6f4a7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56526ffd84f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56526ffd84f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56526ffd84f5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7ff3907f4ac3 - <unknown>
[INFO] [stdout]   46:     0x7ff390885bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] thread 'access_manager::tests::test' panicked at src/access_manager.rs:79:38:
[INFO] [stdout] failed to remove db file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56526ffd1f36 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56526ffd1f36 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56526ffd1f36 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56526ffd1f36 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56526fffac90 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56526fffac90 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56526ffcf78f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56526ffd1d14 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56526ffd1d14 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56526ffd3a87 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x56526ffd376d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56526ff9e667 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56526ff9e667 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56526ffd40a6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56526ffd40a6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56526ffd3df2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56526ffd2436 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56526ffd3b44 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56526ff43cb5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56526ff44253 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x56526ff5abcf - core::result::Result<T,E>::expect::hf093c2401f6b2f67
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1030:23
[INFO] [stdout]   21:     0x56526ff64981 - <database_internal::access_manager::tests::Cleanup as core::ops::drop::Drop>::drop::hbda51e54fa0c62e5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/access_manager.rs:79:13
[INFO] [stdout]   22:     0x56526ff521da - core::ptr::drop_in_place<database_internal::access_manager::tests::Cleanup>::h702181d9d932ba1c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ptr/mod.rs:507:1
[INFO] [stdout]   23:     0x56526ff651c1 - database_internal::access_manager::tests::test::h28d6bbff12ad1b40
[INFO] [stdout]                                at /opt/rustwide/workdir/src/access_manager.rs:90:5
[INFO] [stdout]   24:     0x56526ff65177 - database_internal::access_manager::tests::test::{{closure}}::he221fe4a30faa6aa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/access_manager.rs:84:14
[INFO] [stdout]   25:     0x56526ff51726 - core::ops::function::FnOnce::call_once::hb25700ca85f15c87
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x56526ffa425f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x56526ffa425f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   28:     0x56526ffa3081 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   29:     0x56526ffa3081 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x56526ffa3081 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   31:     0x56526ffa3081 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   32:     0x56526ffa3081 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x56526ffa3081 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   34:     0x56526ffa3081 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   35:     0x56526ff6a4e6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   36:     0x56526ff6a4e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x56526ff6f4a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x56526ff6f4a7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x56526ff6f4a7 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   40:     0x56526ff6f4a7 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   41:     0x56526ff6f4a7 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x56526ff6f4a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x56526ff6f4a7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x56526ffd84f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x56526ffd84f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x56526ffd84f5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7ff3907f4ac3 - <unknown>
[INFO] [stdout]   48:     0x7ff390885bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--bin database-internal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/database_internal-900a5350aa0bb862` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "dd2a3565ac931387278a95cb15667d2338df575fd3fa8472a630abb44425124e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2a3565ac931387278a95cb15667d2338df575fd3fa8472a630abb44425124e", kill_on_drop: false }`
[INFO] [stdout] dd2a3565ac931387278a95cb15667d2338df575fd3fa8472a630abb44425124e
