[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] checking taisho6339/database-internal against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisho6339%2Fdatabase-internal" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/taisho6339/database-internal on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "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-1-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" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking taisho6339/database-internal against try#0c9c19b42881b7ee3d3f268d2369726c7f8dddfd for pr-127656 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisho6339%2Fdatabase-internal" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/taisho6339/database-internal on toolchain 0c9c19b42881b7ee3d3f268d2369726c7f8dddfd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "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-1-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" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded thiserror-impl v1.0.34 [INFO] [stderr] Downloaded binary-layout v3.1.1 [INFO] [stderr] Downloaded thiserror v1.0.34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2cfa7ecd97911e59392f52d6f5652611a59abdfea878ba32ffa3638147757f30 [INFO] running `Command { std: "docker" "start" "-a" "2cfa7ecd97911e59392f52d6f5652611a59abdfea878ba32ffa3638147757f30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2cfa7ecd97911e59392f52d6f5652611a59abdfea878ba32ffa3638147757f30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cfa7ecd97911e59392f52d6f5652611a59abdfea878ba32ffa3638147757f30", kill_on_drop: false }` [INFO] [stdout] 2cfa7ecd97911e59392f52d6f5652611a59abdfea878ba32ffa3638147757f30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6bc8033c148ffbee22492e4245a6f8962d6051214e24868b847e57c4a36f47db [INFO] running `Command { std: "docker" "start" "-a" "6bc8033c148ffbee22492e4245a6f8962d6051214e24868b847e57c4a36f47db", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling anyhow v1.0.65 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Checking binary-layout v3.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.34 [INFO] [stderr] Checking thiserror v1.0.34 [INFO] [stderr] Checking 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` and `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: 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` and `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` and `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: 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) -> 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: field `is_dirty` is never read [INFO] [stdout] --> src/buffer_manager.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct PageBuffer { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 32 | pub is_dirty: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PageBuffer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 25 warnings emitted [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) -> 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: field `is_dirty` is never read [INFO] [stdout] --> src/buffer_manager.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct PageBuffer { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 32 | pub is_dirty: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PageBuffer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.41s [INFO] running `Command { std: "docker" "inspect" "6bc8033c148ffbee22492e4245a6f8962d6051214e24868b847e57c4a36f47db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bc8033c148ffbee22492e4245a6f8962d6051214e24868b847e57c4a36f47db", kill_on_drop: false }` [INFO] [stdout] 6bc8033c148ffbee22492e4245a6f8962d6051214e24868b847e57c4a36f47db