[INFO] cloning repository https://github.com/melgenek/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/melgenek/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelgenek%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelgenek%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9c0f14c7a070f55978ffc5de3137ed1d6bf3ebb
[INFO] testing melgenek/rust-playground against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelgenek%2Frust-playground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/melgenek/rust-playground
[INFO] finished tweaking git repo https://github.com/melgenek/rust-playground
[INFO] tweaked toml for git repo https://github.com/melgenek/rust-playground written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/melgenek/rust-playground on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/melgenek/rust-playground 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] [stderr]   Downloaded generator v0.7.3
[INFO] [stderr]   Downloaded shuttle v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8
[INFO] running `Command { std: "docker" "start" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::temp_dir`
[INFO] [stdout]  --> src/buffer/test_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::temp_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/buffer/test_utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/buffer/test_utils.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs` and `io`
[INFO] [stdout]  --> src/buffer/test_utils.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fs, io};
[INFO] [stdout]   |           ^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]  --> src/buffer/test_utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::distributions::Alphanumeric;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/buffer/test_utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::constants::PAGE_SIZE`
[INFO] [stdout]  --> src/buffer/test_utils.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::buffer::constants::PAGE_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::types::PageData`
[INFO] [stdout]   --> src/buffer/test_utils.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::buffer::types::PageData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RngCore` and `thread_rng`
[INFO] [stdout]   --> src/buffer/test_utils.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::{thread_rng, RngCore};
[INFO] [stdout]    |                    ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(shuttle)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(shuttle)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/types.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) use std::thread;
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageIdIncrementFn` is never used
[INFO] [stdout]  --> src/buffer/buffer_pool.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(super) type PageIdIncrementFn = Box<dyn Fn(PageId) -> PageId + Send>;
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafeBufferPoolInstance` is never constructed
[INFO] [stdout]   --> src/buffer/buffer_pool_instance.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct UnsafeBufferPoolInstance {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_page`, `flush_page`, `write_page`, `find_fresh_page`, and `allocate_page` are never used
[INFO] [stdout]   --> src/buffer/buffer_pool_instance.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl UnsafeBufferPoolInstance {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] 22 |     fn find_page(&self, page_id: PageId) -> Option<(FrameId, Page)> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn flush_page(&self, page_id: PageId) -> io::Result<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn write_page(&self, page: &mut Page) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn find_fresh_page(&mut self) -> io::Result<Option<(FrameId, Page)>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn allocate_page(&mut self) -> PageId {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPoolInstance` is never constructed
[INFO] [stdout]   --> src/buffer/buffer_pool_instance.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct BufferPoolInstance(Arc<Mutex<UnsafeBufferPoolInstance>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/buffer/buffer_pool_instance.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl BufferPoolInstance {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout]  72 |     fn new_simple(disk_manager: DiskManager, size: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     pub fn new(disk_manager: DiskManager, size: usize, next_page_id: PageId, inc_fn: PageIdIncrementFn) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub fn flush_page(&self, page_id: PageId) -> io::Result<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn new_page(&mut self) -> io::Result<Option<Page>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn fetch_page(&mut self, page_id: PageId) -> io::Result<Option<Page>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn unpin_page(&mut self, page_id: PageId, is_dirty: bool) -> io::Result<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn delete_page(&mut self, page_id: PageId) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/buffer/constants.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(super) const PAGE_SIZE: usize = 4096;
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafeDiskManager` is never constructed
[INFO] [stdout]   --> src/buffer/disk_manager.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct UnsafeDiskManager {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DiskManager` is never constructed
[INFO] [stdout]   --> src/buffer/disk_manager.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct DiskManager(Arc<RwLock<UnsafeDiskManager>>);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `read`, and `offset` are never used
[INFO] [stdout]   --> src/buffer/disk_manager.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl DiskManager {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new<P: AsRef<Path>>(path: P) -> io::Result<DiskManager> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn write(&self, page_id: PageId, buf: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn read(&self, page_id: PageId, buf: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn offset(page_id: PageId) -> u64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/buffer/lru.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafeLRU` is never constructed
[INFO] [stdout]   --> src/buffer/lru.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct UnsafeLRU {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LRU` is never constructed
[INFO] [stdout]   --> src/buffer/lru.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(super) struct LRU(Arc<Mutex<UnsafeLRU>>);
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `remove`, `remove_last`, and `size` are never used
[INFO] [stdout]   --> src/buffer/lru.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LRU {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn add(&mut self, frame_id: FrameId) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn remove(&mut self, frame_id: FrameId) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn remove_last(&mut self) -> Option<FrameId> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafePage` is never constructed
[INFO] [stdout]  --> src/buffer/page.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct UnsafePage {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]   --> src/buffer/page.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Page(Arc<RwLock<UnsafePage>>);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/buffer/page.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Page {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn access_page_data<F, R>(&mut self, f: F) -> R
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn get_page_id(&self) -> Option<PageId> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn set_page_id(&mut self, page_id: PageId) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn is_dirty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn set_dirty(&mut self, is_dirty: bool) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_pin_count(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn pin(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn unpin(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FrameId` is never used
[INFO] [stdout]  --> src/buffer/types.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(super) type FrameId = usize;
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageId` is never used
[INFO] [stdout]  --> src/buffer/types.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(super) type PageId = usize;
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageData` is never used
[INFO] [stdout]  --> src/buffer/types.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) type PageData = [u8; PAGE_SIZE];
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_random` is never used
[INFO] [stdout]   --> src/types.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) fn check_random<F>(f: F, _iterations: usize)
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tuple` is never constructed
[INFO] [stdout]  --> src/hash_table.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Tuple {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]   --> src/hash_table.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Bucket {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `is_full`, and `put` are never used
[INFO] [stdout]   --> src/hash_table.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Bucket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn get(&self, key: u32) -> Vec<u32> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn is_full(&self, bucket_size_limit: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn put(&mut self, key: u32, value: u32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTable` is never constructed
[INFO] [stdout]   --> src/hash_table.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct HashTable {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/hash_table.rs:43:8
[INFO] [stdout]     |
[INFO] [stdout]  42 | impl HashTable {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout]  43 |     fn new(bucket_size_limit: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     fn get(&self, key: u32) -> Vec<u32> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  53 |     fn put(&mut self, key: u32, value: u32) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     fn put_simple(&mut self, key: u32, value: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn expand_directories(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     fn split_bucket(&mut self, bucket_idx: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn idx(&self, key: u32) -> u32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn mask(bucket_idx: u32, depth: u32) -> u32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn split_image_idx(bucket_idx: u32, depth: u32) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/aa_tree/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_leaf`, `new`, `put`, `collect_to_vec`, `traverse`, and `depth` are never used
[INFO] [stdout]    --> src/aa_tree/mod.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl Node {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout]  14 |     pub fn new_leaf(value: u32) -> Node {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  17 |     pub fn new(value: u32, level: u32) -> Node {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  21 |     pub fn put(&self, value: u32) -> Node {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     pub fn collect_to_vec(&self) -> (Vec<u32>, Vec<u32>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn traverse<F>(node: &Node, f: &mut F)
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn depth(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/main.rs:58:73
[INFO] [stdout]    |
[INFO] [stdout] 58 |         std::ptr::write(stack_ptr.offset(SSIZE - 16) as *mut u64, hello as u64);
[INFO] [stdout]    |                                                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 58 |         std::ptr::write(stack_ptr.offset(SSIZE - 16) as *mut u64, hello as *const () as u64);
[INFO] [stdout]    |                                                                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::temp_dir`
[INFO] [stdout]  --> src/buffer/test_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::temp_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/buffer/test_utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/buffer/test_utils.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs` and `io`
[INFO] [stdout]  --> src/buffer/test_utils.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fs, io};
[INFO] [stdout]   |           ^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]  --> src/buffer/test_utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::distributions::Alphanumeric;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/buffer/test_utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::constants::PAGE_SIZE`
[INFO] [stdout]  --> src/buffer/test_utils.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::buffer::constants::PAGE_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::buffer::types::PageData`
[INFO] [stdout]   --> src/buffer/test_utils.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::buffer::types::PageData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RngCore` and `thread_rng`
[INFO] [stdout]   --> src/buffer/test_utils.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::{thread_rng, RngCore};
[INFO] [stdout]    |                    ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(shuttle)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(shuttle)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/types.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) use std::thread;
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageIdIncrementFn` is never used
[INFO] [stdout]  --> src/buffer/buffer_pool.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(super) type PageIdIncrementFn = Box<dyn Fn(PageId) -> PageId + Send>;
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafeBufferPoolInstance` is never constructed
[INFO] [stdout]   --> src/buffer/buffer_pool_instance.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct UnsafeBufferPoolInstance {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_page`, `flush_page`, `write_page`, `find_fresh_page`, and `allocate_page` are never used
[INFO] [stdout]   --> src/buffer/buffer_pool_instance.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl UnsafeBufferPoolInstance {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] 22 |     fn find_page(&self, page_id: PageId) -> Option<(FrameId, Page)> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn flush_page(&self, page_id: PageId) -> io::Result<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn write_page(&self, page: &mut Page) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn find_fresh_page(&mut self) -> io::Result<Option<(FrameId, Page)>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn allocate_page(&mut self) -> PageId {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPoolInstance` is never constructed
[INFO] [stdout]   --> src/buffer/buffer_pool_instance.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct BufferPoolInstance(Arc<Mutex<UnsafeBufferPoolInstance>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/buffer/buffer_pool_instance.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl BufferPoolInstance {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout]  72 |     fn new_simple(disk_manager: DiskManager, size: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     pub fn new(disk_manager: DiskManager, size: usize, next_page_id: PageId, inc_fn: PageIdIncrementFn) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub fn flush_page(&self, page_id: PageId) -> io::Result<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn new_page(&mut self) -> io::Result<Option<Page>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn fetch_page(&mut self, page_id: PageId) -> io::Result<Option<Page>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn unpin_page(&mut self, page_id: PageId, is_dirty: bool) -> io::Result<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn delete_page(&mut self, page_id: PageId) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/buffer/constants.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(super) const PAGE_SIZE: usize = 4096;
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafeDiskManager` is never constructed
[INFO] [stdout]   --> src/buffer/disk_manager.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct UnsafeDiskManager {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DiskManager` is never constructed
[INFO] [stdout]   --> src/buffer/disk_manager.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct DiskManager(Arc<RwLock<UnsafeDiskManager>>);
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `read`, and `offset` are never used
[INFO] [stdout]   --> src/buffer/disk_manager.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl DiskManager {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new<P: AsRef<Path>>(path: P) -> io::Result<DiskManager> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn write(&self, page_id: PageId, buf: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn read(&self, page_id: PageId, buf: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn offset(page_id: PageId) -> u64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/buffer/lru.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafeLRU` is never constructed
[INFO] [stdout]   --> src/buffer/lru.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct UnsafeLRU {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LRU` is never constructed
[INFO] [stdout]   --> src/buffer/lru.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(super) struct LRU(Arc<Mutex<UnsafeLRU>>);
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `remove`, `remove_last`, and `size` are never used
[INFO] [stdout]   --> src/buffer/lru.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LRU {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn add(&mut self, frame_id: FrameId) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn remove(&mut self, frame_id: FrameId) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn remove_last(&mut self) -> Option<FrameId> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsafePage` is never constructed
[INFO] [stdout]  --> src/buffer/page.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct UnsafePage {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]   --> src/buffer/page.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Page(Arc<RwLock<UnsafePage>>);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/buffer/page.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Page {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn access_page_data<F, R>(&mut self, f: F) -> R
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn get_page_id(&self) -> Option<PageId> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn set_page_id(&mut self, page_id: PageId) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn is_dirty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn set_dirty(&mut self, is_dirty: bool) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_pin_count(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn pin(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn unpin(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FrameId` is never used
[INFO] [stdout]  --> src/buffer/types.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(super) type FrameId = usize;
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageId` is never used
[INFO] [stdout]  --> src/buffer/types.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(super) type PageId = usize;
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageData` is never used
[INFO] [stdout]  --> src/buffer/types.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) type PageData = [u8; PAGE_SIZE];
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_random` is never used
[INFO] [stdout]   --> src/types.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) fn check_random<F>(f: F, _iterations: usize)
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tuple` is never constructed
[INFO] [stdout]  --> src/hash_table.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Tuple {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]   --> src/hash_table.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Bucket {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `is_full`, and `put` are never used
[INFO] [stdout]   --> src/hash_table.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Bucket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn get(&self, key: u32) -> Vec<u32> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn is_full(&self, bucket_size_limit: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn put(&mut self, key: u32, value: u32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTable` is never constructed
[INFO] [stdout]   --> src/hash_table.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct HashTable {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/hash_table.rs:43:8
[INFO] [stdout]     |
[INFO] [stdout]  42 | impl HashTable {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout]  43 |     fn new(bucket_size_limit: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     fn get(&self, key: u32) -> Vec<u32> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  53 |     fn put(&mut self, key: u32, value: u32) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     fn put_simple(&mut self, key: u32, value: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn expand_directories(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     fn split_bucket(&mut self, bucket_idx: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn idx(&self, key: u32) -> u32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn mask(bucket_idx: u32, depth: u32) -> u32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn split_image_idx(bucket_idx: u32, depth: u32) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/aa_tree/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_leaf`, `new`, `put`, `collect_to_vec`, `traverse`, and `depth` are never used
[INFO] [stdout]    --> src/aa_tree/mod.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl Node {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout]  14 |     pub fn new_leaf(value: u32) -> Node {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  17 |     pub fn new(value: u32, level: u32) -> Node {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  21 |     pub fn put(&self, value: u32) -> Node {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     pub fn collect_to_vec(&self) -> (Vec<u32>, Vec<u32>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn traverse<F>(node: &Node, f: &mut F)
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn depth(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/main.rs:58:73
[INFO] [stdout]    |
[INFO] [stdout] 58 |         std::ptr::write(stack_ptr.offset(SSIZE - 16) as *mut u64, hello as u64);
[INFO] [stdout]    |                                                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 58 |         std::ptr::write(stack_ptr.offset(SSIZE - 16) as *mut u64, hello as *const () as u64);
[INFO] [stdout]    |                                                                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]  --> src/types.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(shuttle)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(shuttle)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(shuttle)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stdout]   --> src/types.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(not(shuttle))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.22s
[INFO] running `Command { std: "docker" "inspect" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env::temp_dir`
[INFO] [stderr]  --> src/buffer/test_utils.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env::temp_dir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/buffer/test_utils.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf` and `Path`
[INFO] [stderr]  --> src/buffer/test_utils.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `fs` and `io`
[INFO] [stderr]  --> src/buffer/test_utils.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{fs, io};
[INFO] [stderr]   |           ^^  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stderr]  --> src/buffer/test_utils.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::distributions::Alphanumeric;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/buffer/test_utils.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::buffer::constants::PAGE_SIZE`
[INFO] [stderr]  --> src/buffer/test_utils.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::buffer::constants::PAGE_SIZE;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::buffer::types::PageData`
[INFO] [stderr]   --> src/buffer/test_utils.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::buffer::types::PageData;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RngCore` and `thread_rng`
[INFO] [stderr]   --> src/buffer/test_utils.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::types::{thread_rng, RngCore};
[INFO] [stderr]    |                    ^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]  --> src/types.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[cfg(shuttle)]
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]  --> src/types.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[cfg(shuttle)]
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]  --> src/types.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[cfg(shuttle)]
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]  --> src/types.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[cfg(shuttle)]
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]   --> src/types.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[cfg(shuttle)]
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]   --> src/types.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[cfg(shuttle)]
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]   --> src/types.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[cfg(not(shuttle))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]   --> src/types.rs:17:11
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[cfg(not(shuttle))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]   --> src/types.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[cfg(not(shuttle))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]   --> src/types.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[cfg(not(shuttle))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]   --> src/types.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[cfg(not(shuttle))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `shuttle`
[INFO] [stderr]   --> src/types.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[cfg(not(shuttle))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(shuttle)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(shuttle)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/types.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub(crate) use std::thread;
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PageIdIncrementFn` is never used
[INFO] [stderr]  --> src/buffer/buffer_pool.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub(super) type PageIdIncrementFn = Box<dyn Fn(PageId) -> PageId + Send>;
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UnsafeBufferPoolInstance` is never constructed
[INFO] [stderr]   --> src/buffer/buffer_pool_instance.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct UnsafeBufferPoolInstance {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `find_page`, `flush_page`, `write_page`, `find_fresh_page`, and `allocate_page` are never used
[INFO] [stderr]   --> src/buffer/buffer_pool_instance.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl UnsafeBufferPoolInstance {
[INFO] [stderr]    | ----------------------------- methods in this implementation
[INFO] [stderr] 22 |     fn find_page(&self, page_id: PageId) -> Option<(FrameId, Page)> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn flush_page(&self, page_id: PageId) -> io::Result<bool> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn write_page(&self, page: &mut Page) -> io::Result<()> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     fn find_fresh_page(&mut self) -> io::Result<Option<(FrameId, Page)>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     fn allocate_page(&mut self) -> PageId {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BufferPoolInstance` is never constructed
[INFO] [stderr]   --> src/buffer/buffer_pool_instance.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub struct BufferPoolInstance(Arc<Mutex<UnsafeBufferPoolInstance>>);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/buffer/buffer_pool_instance.rs:72:8
[INFO] [stderr]     |
[INFO] [stderr]  71 | impl BufferPoolInstance {
[INFO] [stderr]     | ----------------------- associated items in this implementation
[INFO] [stderr]  72 |     fn new_simple(disk_manager: DiskManager, size: usize) -> Self {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  76 |     pub fn new(disk_manager: DiskManager, size: usize, next_page_id: PageId, inc_fn: PageIdIncrementFn) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  91 |     pub fn flush_page(&self, page_id: PageId) -> io::Result<bool> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     pub fn new_page(&mut self) -> io::Result<Option<Page>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 118 |     pub fn fetch_page(&mut self, page_id: PageId) -> io::Result<Option<Page>> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 136 |     pub fn unpin_page(&mut self, page_id: PageId, is_dirty: bool) -> io::Result<bool> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 153 |     pub fn delete_page(&mut self, page_id: PageId) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PAGE_SIZE` is never used
[INFO] [stderr]  --> src/buffer/constants.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(super) const PAGE_SIZE: usize = 4096;
[INFO] [stderr]   |                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UnsafeDiskManager` is never constructed
[INFO] [stderr]   --> src/buffer/disk_manager.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct UnsafeDiskManager {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DiskManager` is never constructed
[INFO] [stderr]   --> src/buffer/disk_manager.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct DiskManager(Arc<RwLock<UnsafeDiskManager>>);
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `write`, `read`, and `offset` are never used
[INFO] [stderr]   --> src/buffer/disk_manager.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl DiskManager {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr] 20 |     pub fn new<P: AsRef<Path>>(path: P) -> io::Result<DiskManager> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn write(&self, page_id: PageId, buf: &mut [u8]) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn read(&self, page_id: PageId, buf: &mut [u8]) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     fn offset(page_id: PageId) -> u64 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/buffer/lru.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Node {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UnsafeLRU` is never constructed
[INFO] [stderr]   --> src/buffer/lru.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct UnsafeLRU {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LRU` is never constructed
[INFO] [stderr]   --> src/buffer/lru.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub(super) struct LRU(Arc<Mutex<UnsafeLRU>>);
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add`, `remove`, `remove_last`, and `size` are never used
[INFO] [stderr]   --> src/buffer/lru.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl LRU {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 22 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn add(&mut self, frame_id: FrameId) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn remove(&mut self, frame_id: FrameId) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     pub fn remove_last(&mut self) -> Option<FrameId> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 84 |     fn size(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UnsafePage` is never constructed
[INFO] [stderr]  --> src/buffer/page.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct UnsafePage {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Page` is never constructed
[INFO] [stderr]   --> src/buffer/page.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Page(Arc<RwLock<UnsafePage>>);
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/buffer/page.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Page {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 16 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn access_page_data<F, R>(&mut self, f: F) -> R
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn get_page_id(&self) -> Option<PageId> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn set_page_id(&mut self, page_id: PageId) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn is_dirty(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn set_dirty(&mut self, is_dirty: bool) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn get_pin_count(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn pin(&mut self) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn unpin(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     pub fn reset(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `FrameId` is never used
[INFO] [stderr]  --> src/buffer/types.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub(super) type FrameId = usize;
[INFO] [stderr]   |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PageId` is never used
[INFO] [stderr]  --> src/buffer/types.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub(super) type PageId = usize;
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PageData` is never used
[INFO] [stderr]  --> src/buffer/types.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(super) type PageData = [u8; PAGE_SIZE];
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_random` is never used
[INFO] [stderr]   --> src/types.rs:28:15
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub(crate) fn check_random<F>(f: F, _iterations: usize)
[INFO] [stderr]    |               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Tuple` is never constructed
[INFO] [stderr]  --> src/hash_table.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Tuple {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Bucket` is never constructed
[INFO] [stderr]   --> src/hash_table.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Bucket {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `get`, `is_full`, and `put` are never used
[INFO] [stderr]   --> src/hash_table.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Bucket {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 18 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn get(&self, key: u32) -> Vec<u32> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn is_full(&self, bucket_size_limit: usize) -> bool {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     fn put(&mut self, key: u32, value: u32) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HashTable` is never constructed
[INFO] [stderr]   --> src/hash_table.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct HashTable {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/hash_table.rs:43:8
[INFO] [stderr]     |
[INFO] [stderr]  42 | impl HashTable {
[INFO] [stderr]     | -------------- associated items in this implementation
[INFO] [stderr]  43 |     fn new(bucket_size_limit: usize) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr]  49 |     fn get(&self, key: u32) -> Vec<u32> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr]  53 |     fn put(&mut self, key: u32, value: u32) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr]  70 |     fn put_simple(&mut self, key: u32, value: u32) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  74 |     fn expand_directories(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  88 |     fn split_bucket(&mut self, bucket_idx: u32) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 104 |     fn idx(&self, key: u32) -> u32 {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |     fn mask(bucket_idx: u32, depth: u32) -> u32 {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 113 |     fn split_image_idx(bucket_idx: u32, depth: u32) -> u32 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/aa_tree/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Node {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_leaf`, `new`, `put`, `collect_to_vec`, `traverse`, and `depth` are never used
[INFO] [stderr]    --> src/aa_tree/mod.rs:14:12
[INFO] [stderr]     |
[INFO] [stderr]  13 | impl Node {
[INFO] [stderr]     | --------- associated items in this implementation
[INFO] [stderr]  14 |     pub fn new_leaf(value: u32) -> Node {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  17 |     pub fn new(value: u32, level: u32) -> Node {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  21 |     pub fn put(&self, value: u32) -> Node {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  90 |     pub fn collect_to_vec(&self) -> (Vec<u32>, Vec<u32>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     fn traverse<F>(node: &Node, f: &mut F)
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 113 |     pub fn depth(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-playground` (lib) generated 49 warnings (run `cargo fix --lib -p rust-playground` to apply 10 suggestions)
[INFO] [stderr] warning: direct cast of function item into an integer
[INFO] [stderr]   --> src/main.rs:58:73
[INFO] [stderr]    |
[INFO] [stderr] 58 |         std::ptr::write(stack_ptr.offset(SSIZE - 16) as *mut u64, hello as u64);
[INFO] [stderr]    |                                                                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stderr] help: first cast to a pointer `as *const ()`
[INFO] [stderr]    |
[INFO] [stderr] 58 |         std::ptr::write(stack_ptr.offset(SSIZE - 16) as *mut u64, hello as *const () as u64);
[INFO] [stderr]    |                                                                         ++++++++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-playground` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr] warning: `rust-playground` (bin "rust-playground" test) generated 1 warning (run `cargo fix --bin "rust-playground" -p rust-playground --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_playground-63eb12af30f732e6)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test aa_tree::test::should_build_example_1 ... ok
[INFO] [stdout] test aa_tree::test::should_not_mutate_existing_tree ... ok
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_create_new_page_when_full ... ok
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_not_flush_when_page_does_not_exist ... ok
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_read_page_without_write ... ok
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_fetch_cached_page ... ok
[INFO] [stdout] test buffer::lru::test::should_add_remove_when_interleave ... ok
[INFO] [stdout] test buffer::lru::test::should_work ... ok
[INFO] [stdout] test buffer::disk_manager::test::should_read_without_writing ... ok
[INFO] [stdout] test buffer::disk_manager::test::should_read_write_page ... ok
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_read_write_delete_page ... ok
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_run_scenario ... ok
[INFO] [stdout] test buffer::page::test::should_pin_unpin_page ... ok
[INFO] [stdout] test buffer::lru::test::should_find_no_last_in_empty_lru ... ok
[INFO] [stdout] test buffer::page::test::should_set_reset_page_id ... ok
[INFO] [stdout] test buffer::page::test::should_set_unset_is_dirty ... ok
[INFO] [stdout] test buffer::page::test::should_read_write_page ... ok
[INFO] [stdout] test hash_table::test::should_find_least_significant_bits ... ok
[INFO] [stdout] test hash_table::test::should_put_get_multiple_values ... ok
[INFO] [stdout] test hash_table::test::should_get_split_image_idx ... ok
[INFO] [stdout] test hash_table::test::should_not_find_non_existent_value ... ok
[INFO] [stdout] test hash_table::test::should_put_get ... ok
[INFO] [stdout] test buffer::lru::test::should_remove_from_empty_lru ... ok
[INFO] [stdout] test hash_table::test::should_put_get_multiple ... ok
[INFO] [stdout] test aa_tree::test::should_create_tree ... ok
[INFO] [stdout] test buffer::lru::test::should_work_concurrently ... ok
[INFO] [stdout] test aa_tree::test::should_build_balanced_tree ... ok
[INFO] [stdout] test buffer::disk_manager::test::should_read_write_page_at_non_0 ... FAILED
[INFO] [stdout] test buffer::disk_manager::test::should_work_concurrently ... FAILED
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_work_concurrently ... FAILED
[INFO] [stdout] test hash_table::test::should_put_get_many ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::disk_manager::test::should_read_write_page_at_non_0 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'buffer::disk_manager::test::should_read_write_page_at_non_0' (618) panicked at src/buffer/disk_manager.rs:85:9:
[INFO] [stdout] assertion `left == right` failed
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209, 178, 129, 146, 213, 72, 143, 251, 174, 48, 48, 24, 148, 47, 50, 117, 162, 131, 54, 226, 190, 220, 13, 51, 145, 234, 61, 100, 185, 90, 155, 43, 88, 221, 214, 27, 230, 127, 147, 86, 152, 3, 122, 65, 154, 129, 17, 102, 225, 83, 6, 50, 49, 189, 55, 104, 158, 184, 225, 200, 118, 78, 219, 69, 16, 68, 139, 252, 10, 56, 147, 236, 220, 110, 31, 242, 38, 96, 29, 4, 78, 156, 195, 141, 39, 55, 56, 169, 70, 27, 97, 192, 109, 180, 185, 143, 54, 248, 68, 198, 69, 67, 217, 66, 147, 33, 30, 35, 35, 163, 2, 96, 174, 128, 251, 8, 29, 48, 53, 119, 197, 66, 97, 50, 166, 24, 37, 104, 134, 194, 202, 149, 228, 5, 141, 153, 247, 101, 135, 214, 223, 158, 20, 20, 67, 26, 55, 168, 187, 121, 139, 119, 42, 63, 193, 39, 196, 207, 92, 2, 175, 189, 210, 230, 122, 2, 236, 144, 120, 83, 89, 92, 216, 229, 84, 132, 43, 103, 162, 163, 88, 192, 217, 129, 240, 9, 32, 176, 139, 156, 86, 35, 82, 174, 88, 139, 243, 77, 211, 152, 241, 218, 80, 60, 183, 222, 181, 87, 37, 15, 80, 167, 10, 161, 216, 188, 138, 20, 182, 191, 150, 189, 214, 109, 32, 106, 120, 148, 58, 23, 155, 212, 187, 14, 70, 120, 158, 85, 6, 44, 219, 79, 34, 170, 138, 137, 45, 77, 235, 103, 52, 12, 121, 126, 230, 243, 214, 202, 155, 193, 112, 253, 99, 252, 49, 234, 107, 40, 0, 192, 182, 73, 45, 5, 19, 163, 215, 109, 236, 12, 60, 201, 154, 123, 130, 61, 98, 127, 176, 57, 18, 82, 84, 51, 124, 114, 145, 71, 230, 66, 50, 142, 181, 62, 226, 229, 47, 44, 178, 148, 139, 24, 167, 227, 163, 75, 22, 80, 46, 210, 5, 168, 211, 119, 169, 28, 45, 34, 176, 172, 157, 118, 191, 172, 2, 119, 214, 186, 145, 163, 232, 184, 57, 78, 52, 190, 230, 130, 120, 245, 121, 199, 160, 134, 140, 56, 78, 223, 246, 46, 85, 232, 179, 29, 21, 79, 67, 230, 252, 101, 20, 163, 70, 199, 213, 69, 53, 17, 171, 152, 54, 32, 182, 180, 75, 121, 181, 92, 167, 221, 161, 183, 114, 118, 100, 86, 162, 31, 69, 183, 107, 111, 210, 196, 213, 174, 166, 119, 169, 170, 228, 243, 150, 89, 2, 198, 188, 29, 57, 197, 64, 118, 99, 225, 61, 41, 241, 84, 188, 2, 117, 197, 86, 251, 42, 153, 201, 103, 66, 51, 112, 197, 112, 170, 22, 236, 250, 15, 64, 167, 183, 226, 179, 52, 160, 82, 218, 5, 27, 222, 93, 211, 32, 60, 254, 245, 209, 209, 215, 62, 55, 133, 116, 206, 167, 80, 72, 139, 223, 156, 168, 2, 77, 133, 32, 251, 20, 132, 232, 189, 80, 140, 196, 188, 212, 173, 252, 22, 20, 253, 218, 130, 29, 233, 217, 71, 134, 49, 96, 6, 17, 4, 209, 34, 2, 1, 96, 237, 252, 133, 126, 144, 114, 159, 40, 36, 213, 155, 152, 68, 187, 255, 140, 208, 130, 6, 31, 9, 190, 208, 178, 207, 67, 209, 157, 198, 135, 16, 242, 106, 63, 224, 92, 58, 76, 151, 242, 234, 236, 124, 86, 50, 47, 211, 33, 160, 171, 65, 138, 136, 133, 224, 217, 163, 21, 98, 63, 7, 121, 12, 55, 188, 113, 65, 179, 249, 166, 200, 3, 88, 177, 249, 226, 65, 158, 45, 143, 176, 137, 185, 133, 97, 3, 2, 173, 233, 53, 1, 72, 56, 57, 189, 33, 252, 255, 21, 235, 148, 159, 223, 116, 172, 132, 195, 50, 195, 96, 170, 233, 101, 174, 0, 172, 190, 38, 118, 209, 170, 47, 18, 126, 107, 132, 87, 47, 199, 91, 37, 207, 95, 70, 20, 86, 66, 191, 233, 220, 173, 83, 135, 252, 79, 119, 64, 102, 79, 23, 152, 180, 161, 179, 65, 231, 60, 143, 76, 88, 107, 123, 108, 194, 170, 207, 130, 221, 176, 47, 68, 250, 226, 215, 207, 122, 134, 217, 16, 175, 182, 213, 214, 182, 80, 165, 82, 87, 212, 93, 62, 113, 163, 39, 245, 151, 64, 252, 5, 47, 206, 17, 250, 233, 33, 184, 15, 149, 236, 150, 126, 215, 168, 209, 135, 8, 140, 23, 40, 142, 30, 107, 104, 230, 52, 52, 103, 36, 195, 251, 181, 196, 225, 45, 98, 201, 148, 238, 102, 192, 145, 116, 243, 64, 79, 134, 24, 115, 66, 232, 49, 230, 232, 86, 241, 146, 38, 11, 179, 31, 230, 86, 190, 135, 146, 72, 80, 15, 141, 194, 55, 60, 5, 245, 249, 147, 10, 187, 172, 99, 22, 224, 138, 180, 35, 51, 109, 216, 31, 147, 201, 161, 29, 24, 127, 182, 126, 58]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fd9275ca5d8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fd9275df2da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fd9275df2da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x5fd9275ceea2 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5fd9275ceea2 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5fd9275a9516 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fd9275a9516 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fd9275c2999 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fd9273e527c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x5fd9273e527c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5fd9275c2b52 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x5fd9275c2b52 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fd9275a95d2 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fd92759e6f9 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fd9275aa2ed - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fd9275dfacc - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fd9275df953 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5fd9273cf0cb - core[8fb95b77d25ab6c8]::panicking::assert_failed::<[u8; 4096usize], [u8; 4096usize]>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5fd9273d3bcc - rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_read_write_page_at_non_0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:85:9
[INFO] [stdout]   22:     0x5fd9273d1827 - rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_read_write_page_at_non_0::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:76:45
[INFO] [stdout]   23:     0x5fd9273b8df6 - <rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_read_write_page_at_non_0::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fd9273d835b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5fd9273d835b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5fd9273e5bd5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5fd9273df4e4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5fd9273df4e4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5fd9273e8c52 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5fd9273e8c52 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5fd9275c9ebf - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   43:     0x5fd9275c9ebf - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x723967452aa4 - <unknown>
[INFO] [stdout]   45:     0x7239674dfa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::disk_manager::test::should_work_concurrently stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (631) panicked at src/buffer/disk_manager.rs:129:21:
[INFO] [stdout] assertion `left == right` failed
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208, 211, 125, 165, 108, 31, 104, 28, 123, 253, 218, 68, 184, 139, 64, 185, 56, 157, 16, 207, 58, 215, 222, 77, 102, 48, 78, 212, 70, 157, 79, 36, 86, 238, 87, 191, 56, 204, 87, 190, 7, 108, 253, 41, 58, 58, 236, 122, 123, 216, 161, 155, 240, 130, 114, 186, 175, 244, 144, 227, 192, 70, 71, 60, 188, 37, 50, 43, 176, 96, 210, 215, 100, 122, 234, 15, 118, 90, 73, 127, 204, 109, 255, 243, 195, 53, 29, 165, 238, 143, 211, 229, 198, 8, 226, 136, 236, 168, 228, 100, 251, 62, 46, 239, 251, 194, 75, 220, 29, 52, 56, 41, 39, 250, 216, 35, 247, 53, 193, 9, 22, 32, 211, 201, 8, 72, 64, 113, 138, 226, 93, 148, 80, 187, 197, 241, 109, 118, 120, 145, 89, 234, 77, 167, 103, 98, 81, 64, 63, 138, 173, 20, 156, 203, 71, 52, 188, 107, 124, 199, 244, 171, 59, 225, 97, 110, 0, 80, 136, 70, 9, 239, 176, 232, 174, 171, 8, 175, 78, 253, 149, 189, 81, 90, 108, 122, 253, 0, 164, 193, 60, 63, 177, 31, 162, 191, 48, 65, 43, 86, 102, 40, 90, 113, 105, 61, 143, 99, 170, 45, 16, 75, 89, 171, 5, 242, 48, 43, 248, 109, 251, 20, 228, 100, 254, 207, 81, 104, 99, 163, 104, 199, 124, 13, 206, 137, 228, 84, 0, 101, 163, 9, 176, 99, 8, 102, 205, 53, 234, 210, 165, 249, 171, 176, 47, 42, 148, 27, 74, 178, 106, 49, 143, 5, 167, 61, 21, 45, 207, 64, 53, 19, 40, 17, 237, 145, 19, 206, 128, 144, 111, 21, 11, 162, 3, 169, 60, 5, 40, 13, 228, 14, 39, 74, 155, 238, 49, 34, 154, 16, 38, 118, 155, 109, 7, 77, 194, 228, 185, 123, 49, 159, 152, 245, 204, 154, 103, 64, 4, 167, 1, 76, 43, 25, 90, 193, 89, 152, 147, 155, 70, 155, 221, 213, 16, 81, 22, 51, 225, 156, 153, 231, 193, 156, 117, 253, 126, 204, 184, 241, 46, 124, 67, 184, 217, 69, 136, 137, 157, 131, 66, 119, 113, 7, 122, 123, 173, 149, 35, 161, 226, 201, 230, 105, 110, 223, 135, 189, 64, 132, 217, 76, 199, 114, 126, 18, 223, 240, 24, 252, 24, 113, 85, 62, 165, 46, 140, 35, 254, 131, 61, 248, 92, 107, 237, 232, 173, 192, 151, 107, 35, 4, 96, 8, 76, 232, 7, 221, 200, 112, 165, 50, 153, 41, 222, 142, 122, 104, 107, 115, 98, 12, 182, 13, 68, 184, 43, 129, 239, 33, 226, 145, 190, 212, 239, 36, 145, 60, 172, 137, 158, 16, 14, 66, 250, 43, 46, 144, 11, 222, 141, 128, 208, 104, 37, 102, 130, 162, 10, 186, 164, 189, 116, 52, 179, 108, 230, 134, 139, 223, 186, 253, 160, 72, 253, 34, 151, 47, 19, 194, 120, 143, 240, 125, 99, 218, 189, 202, 28, 248, 67, 219, 196, 149, 153, 148, 6, 242, 149, 225, 19, 255, 31, 130, 108, 145, 77, 250, 114, 28, 21, 37, 223, 188, 61, 174, 240, 142, 185, 210, 68, 62, 76, 207, 237, 47, 249, 162, 217, 214, 64, 11, 92, 207, 112, 130, 79, 239, 15, 215, 179, 212, 186, 96, 111, 142, 98, 32, 129, 25, 213, 29, 87, 108, 194, 172, 9, 165, 136, 221, 206, 164, 112, 199, 5, 120, 37, 45, 44, 157, 54, 235, 4, 172, 244, 199, 168, 128, 90, 165, 172, 9, 9, 135, 229, 222, 248, 216, 116, 0, 163, 33, 98, 168, 191, 71, 171, 164, 122, 152, 63, 196, 192, 151, 223, 5, 41, 35, 83, 203, 118, 101, 74, 150, 155, 201, 0, 72, 80, 133, 42, 107, 56, 19, 17, 195, 198, 105, 228, 228, 61, 187, 163, 152, 189, 123, 184, 30, 152, 137, 240, 199, 69, 163, 231, 244, 203, 75, 135, 208, 150, 234, 37, 160, 60, 154, 85, 133, 125, 203, 174, 151, 26, 147, 19, 68, 243, 250, 183, 131, 106, 206, 97, 177, 45, 180, 126, 243, 200, 182, 186, 130, 5, 143, 74, 225, 185, 78, 9, 178, 100, 162, 86, 243, 224, 131, 188, 209, 118, 191, 137, 249, 9, 139, 32, 108, 1, 228, 249, 162, 139, 76, 71, 205, 234, 180, 99, 27, 221, 250, 86, 110, 119, 245, 250, 206, 6, 34, 144, 88, 95, 49, 140, 69, 85, 246, 211, 129, 21, 31, 80, 31, 62, 40, 7, 133, 34, 233, 8, 49, 47, 7, 37, 190, 227, 70, 1, 153, 87, 38, 12, 4, 51, 225, 203, 6, 181, 104, 49, 118, 27, 211, 11, 16, 23, 36, 214, 163, 65, 140, 101, 108, 28, 216, 30, 189, 165, 165, 245, 66, 66, 117, 116, 133, 87, 242, 191, 114, 146, 150, 203, 50, 110, 93, 72, 132, 122, 24, 144, 72, 115, 107, 95, 8, 37, 191, 192, 37, 2, 87, 78, 32, 19, 60, 232, 58, 170, 67, 251, 118, 148, 241, 11, 239, 96, 165, 117, 115, 197, 144, 194, 128, 154, 251, 199, 40, 105, 196, 138, 205, 20, 17, 110, 175, 253, 195, 239, 140, 226, 4, 124, 43, 118, 14, 199, 189, 70, 1, 115, 28, 65, 48, 12, 241, 229, 227, 224, 189, 176, 80, 22, 126, 155, 22, 43, 117, 72, 21, 177, 166, 175, 130, 64, 239, 85, 102, 2, 56, 206, 212, 252, 151, 41, 74, 168, 21, 41, 45, 81, 213, 246, 55, 199, 113, 117, 154, 238, 39, 241, 215, 124, 124, 132, 250, 176, 18, 74, 46, 77, 4, 215, 12, 37, 48, 63, 224, 205, 131, 127, 12, 3, 161, 142, 103, 14, 232, 119, 249, 177, 240, 176, 173, 248, 39, 158, 28, 34, 172, 28, 49, 236, 188, 119, 16, 142, 47, 139, 245, 140, 172, 227, 21, 155, 96, 9, 29, 143, 179, 148, 63, 53, 88, 212, 254, 191, 230, 37, 142, 180, 205, 109, 157, 8, 97, 190, 235, 123, 190, 207, 109, 193, 194, 117, 231, 44, 251, 129, 192, 189, 34, 91, 174, 40, 84, 2, 91, 235, 215, 141, 121, 130, 30, 200, 107, 215, 31, 245, 110, 180, 49, 203, 77, 184, 188, 214, 151, 45, 76, 11, 2, 89, 58, 117, 63, 164, 209, 64, 228, 112, 22, 135, 142, 166, 118, 74, 201, 112, 17, 189, 152, 136, 97, 119, 11, 83, 5, 58, 252, 150, 29, 214, 113, 49, 180, 35, 118, 19, 15, 35, 80, 146, 227, 12, 194, 35, 26, 111, 125, 134, 212, 233, 227, 24, 255, 9, 160, 156, 67, 154, 234, 166, 155, 206, 112, 34, 44, 65, 160, 1, 230, 142, 188, 129, 136, 25, 105, 146, 13, 33, 167, 185, 208, 238, 213, 242, 99, 31, 125, 229, 44, 14, 71, 158, 161, 125, 227, 121, 254, 125, 172, 75, 19, 55, 215, 231, 120, 165, 39, 237, 199, 197, 166, 145, 19, 167, 211, 133, 180, 175, 195, 43, 224, 53, 31, 213, 125, 209, 183, 135, 90, 11, 79, 71, 50, 187, 159, 12, 36, 109, 21, 241, 62, 84, 245, 177, 7, 66, 95, 35, 46, 99, 2, 154, 242, 159, 183, 120, 135, 159, 65, 95, 41, 113, 154, 250, 5, 195, 254, 158, 220, 3, 27, 89, 30, 135, 91, 52, 93, 181, 225, 54, 73, 251, 211, 250, 65, 45, 204, 132, 5, 87, 13, 36, 203, 165, 104, 253, 204, 170, 137, 222, 115, 241, 95, 191, 26, 37, 13, 37, 3]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fd9275ca5d8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fd9275df2da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fd9275df2da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x5fd9275ceea2 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5fd9275ceea2 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5fd9275a9516 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fd9275a9516 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fd9275c2999 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fd9273e527c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x5fd9273e527c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5fd9275c2b52 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x5fd9275c2b52 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fd9275a95d2 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fd92759e6f9 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fd9275aa2ed - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fd9275dfacc - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fd9275df953 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5fd9273cf0cb - core[8fb95b77d25ab6c8]::panicking::assert_failed::<[u8; 4096usize], [u8; 4096usize]>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5fd9273d0bb9 - rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:129:21
[INFO] [stdout]   22:     0x5fd9273b944e - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   23:     0x5fd9273a2347 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   24:     0x5fd9273d8180 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x5fd9273cf80a - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x5fd9273a4abb - __rust_try
[INFO] [stdout]   27:     0x5fd9273a0fd2 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5fd9273a0fd2 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5fd9273a0fd2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   30:     0x5fd9273b598e - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x5fd9275c9ebf - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   32:     0x5fd9275c9ebf - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   33:     0x723967452aa4 - <unknown>
[INFO] [stdout]   34:     0x7239674dfa64 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'buffer::disk_manager::test::should_work_concurrently' (620) panicked at src/buffer/disk_manager.rs:132:32:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fd9275ca5d8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fd9275df2da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fd9275df2da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x5fd9275ceea2 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5fd9275ceea2 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5fd9275a9516 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fd9275a9516 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fd9275c2999 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fd9273e527c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x5fd9273e527c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5fd9275c2b52 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x5fd9275c2b52 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fd9275a95d2 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fd92759e6f9 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fd9275aa2ed - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fd9275dfacc - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fd9275df812 - core[8fb95b77d25ab6c8]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5fd9273d1d65 - <core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>>::unwrap
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5fd9273d1d65 - rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:132:32
[INFO] [stdout]   22:     0x5fd9273c33f3 - rust_playground[7119b5c69727d1f8]::types::check_random::<rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types.rs:32:5
[INFO] [stdout]   23:     0x5fd9273d349b - rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:104:9
[INFO] [stdout]   24:     0x5fd9273d17c7 - rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:103:34
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   25:     0x5fd9273b8d76 - <rust_playground[7119b5c69727d1f8]::buffer::disk_manager::test::should_work_concurrently::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5fd9273d835b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5fd9273d835b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   28:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   29:     0x5fd9273e5bd5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   30:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   34:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   35:     0x5fd9273df4e4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   36:     0x5fd9273df4e4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   38:     0x5fd9273e8c52 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   39:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   43:     0x5fd9273e8c52 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5fd9275c9ebf - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   45:     0x5fd9275c9ebf - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   46:     0x723967452aa4 - <unknown>
[INFO] [stdout]   47:     0x7239674dfa64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::buffer_pool_instance::test::should_work_concurrently stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (619) panicked at src/buffer/buffer_pool_instance.rs:361:50:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [29, 252, 23, 154, 236, 146, 242, 152, 138, 213, 172, 195, 190, 248, 138, 153, 9, 248, 216, 55, 143, 54, 21, 119, 32, 145, 155, 130, 80, 155, 24, 110, 183, 90, 251, 210, 157, 175, 73, 148, 37, 246, 105, 147, 178, 146, 216, 111, 115, 0, 254, 166, 252, 116, 89, 143, 212, 225, 85, 11, 187, 43, 105, 16, 136, 133, 73, 252, 223, 17, 139, 174, 191, 72, 29, 24, 242, 65, 75, 214, 215, 173, 254, 47, 185, 143, 242, 190, 83, 228, 63, 75, 211, 160, 112, 81, 44, 214, 148, 228, 237, 219, 20, 146, 163, 169, 182, 234, 116, 71, 87, 144, 180, 143, 69, 44, 196, 20, 62, 169, 252, 237, 70, 28, 151, 94, 155, 177, 157, 214, 19, 248, 0, 78, 80, 224, 244, 249, 83, 168, 27, 98, 248, 172, 166, 241, 77, 215, 43, 58, 72, 160, 239, 85, 240, 212, 218, 196, 183, 72, 173, 183, 204, 106, 152, 193, 192, 173, 205, 128, 85, 57, 231, 38, 236, 42, 255, 14, 7, 63, 166, 95, 134, 214, 139, 191, 166, 109, 236, 109, 207, 121, 155, 48, 206, 34, 179, 140, 222, 81, 22, 93, 53, 244, 177, 39, 211, 206, 218, 63, 56, 167, 33, 190, 246, 240, 209, 7, 247, 28, 55, 198, 194, 8, 17, 205, 61, 138, 32, 223, 34, 24, 185, 92, 189, 157, 217, 157, 48, 34, 197, 183, 131, 169, 18, 122, 167, 244, 191, 185, 255, 221, 169, 223, 137, 250, 65, 185, 251, 74, 10, 3, 146, 38, 79, 18, 54, 34, 126, 41, 108, 80, 19, 12, 232, 168, 114, 143, 221, 129, 204, 148, 43, 132, 208, 118, 134, 108, 149, 107, 150, 120, 142, 24, 138, 182, 191, 198, 8, 48, 230, 190, 227, 114, 119, 86, 227, 210, 88, 157, 129, 231, 92, 148, 20, 215, 218, 152, 189, 143, 42, 35, 178, 201, 132, 146, 134, 184, 176, 78, 45, 29, 236, 231, 161, 117, 153, 118, 26, 131, 33, 43, 159, 237, 31, 106, 230, 15, 34, 108, 211, 140, 235, 222, 236, 2, 44, 111, 24, 92, 95, 199, 5, 177, 199, 98, 63, 161, 247, 36, 242, 75, 233, 155, 228, 36, 240, 206, 57, 174, 60, 220, 223, 194, 223, 202, 204, 164, 101, 118, 221, 82, 248, 64, 66, 172, 46, 136, 34, 18, 230, 139, 231, 188, 44, 196, 67, 158, 1, 179, 215, 102, 118, 94, 84, 203, 255, 170, 48, 245, 152, 243, 56, 84, 130, 15, 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132, 122, 245, 64, 15, 190, 201, 26, 156, 190, 44, 117, 215, 56, 177, 102, 167, 107, 164, 223, 92, 161, 199, 119, 65, 222, 228, 200, 228, 167, 27, 76, 111, 104, 38, 204, 182, 39, 37, 204, 165, 146, 116, 162, 113, 40, 22, 169, 49, 82, 18, 147, 180, 33, 109, 250, 157, 247, 139, 20, 37, 170, 170, 113, 242, 172, 27, 91, 201, 167, 148, 212, 72, 117, 51, 155, 101, 164, 150, 21, 253, 246, 192, 28, 56, 17, 145, 71, 233, 103, 204, 18, 222, 105, 118, 196, 87, 18, 148, 16, 104, 179, 68, 71, 179, 229, 85, 175, 207, 21, 169, 69, 99, 9, 9, 29, 86, 176, 60, 199, 194, 76, 49, 22, 117, 24, 168, 219, 2, 160, 39, 134, 185, 69, 92, 88, 0, 81, 91, 69, 113, 73, 203, 186, 202, 20, 146, 52, 17, 109, 189, 62, 60, 121, 182, 213, 161, 191, 102, 13, 138, 110, 83, 6, 91, 186, 52, 118, 29, 234, 108, 27, 211, 89, 27, 13, 197, 32, 28, 204, 186, 152, 5, 98, 119, 183, 0, 176, 91, 239, 166, 181, 156, 202, 148, 110, 242, 177, 169, 41, 214, 152, 193, 14, 139, 134, 37, 194, 206, 192, 203, 158, 233, 14, 154, 245, 214, 84, 48, 25, 176, 164, 37, 240, 181, 155, 166, 200, 20, 179, 207, 11, 89, 252, 114, 242, 183, 75, 78, 216, 47, 68, 231, 96, 138, 241, 86, 99, 173, 69, 155, 50, 77, 209, 77, 254, 143, 155, 70, 203, 219, 22, 35, 48, 122, 29, 107, 163, 40, 171, 93, 0, 55, 66, 69, 0, 164, 109, 176, 101, 116, 143, 147, 120, 5, 92, 206, 105, 21, 37, 227, 191, 212, 158, 33, 180, 169, 48, 187, 139, 2, 40, 103, 36, 0, 224, 181, 137, 11, 16, 160, 204, 197, 87, 23, 135, 212, 14, 26, 94, 26, 133, 129, 169, 175, 170, 8, 147, 117, 213, 176, 255, 190, 59, 151, 114, 203, 5, 15, 181, 33, 111, 170, 85, 91, 53, 77, 149, 56, 249, 76, 240, 90, 133, 95, 83, 223, 48, 228, 119, 67, 153, 0, 50, 30, 157, 245, 229, 146, 56, 161, 235, 59, 185, 106, 94, 75, 22, 221, 141, 122, 66, 192, 4, 116, 63, 212, 243, 86]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fd9275ca5d8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fd9275df2da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fd9275df2da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x5fd9275ceea2 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5fd9275ceea2 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5fd9275a9516 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fd9275a9516 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fd9275c2999 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fd9273e527c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x5fd9273e527c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5fd9275c2b52 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x5fd9275c2b52 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fd9275a95d2 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fd92759e6f9 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fd9275aa2ed - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fd9275dfacc - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fd9275df953 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5fd9273cf1be - core[8fb95b77d25ab6c8]::panicking::assert_failed::<&mut [u8], [u8; 4096usize]>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5fd9273d052a - rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:361:50
[INFO] [stdout]   22:     0x5fd9273c18eb - <rust_playground[7119b5c69727d1f8]::buffer::page::Page>::access_page_data::<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}::{closure#1}, ()>
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/page.rs:25:9
[INFO] [stdout]   23:     0x5fd9273d1739 - rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:361:26
[INFO] [stdout]   24:     0x5fd9273b948e - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   25:     0x5fd9273a2707 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   26:     0x5fd9273d81e0 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5fd9273cf86a - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5fd9273a4abb - __rust_try
[INFO] [stdout]   29:     0x5fd9273a1712 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5fd9273a1712 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fd9273a1712 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   32:     0x5fd9273b59ce - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x5fd9275c9ebf - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   34:     0x5fd9275c9ebf - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   35:     0x723967452aa4 - <unknown>
[INFO] [stdout]   36:     0x7239674dfa64 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'buffer::buffer_pool_instance::test::should_work_concurrently' (614) panicked at src/buffer/buffer_pool_instance.rs:365:32:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fd9275ca5d8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fd9275ca5d8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fd9275df2da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fd9275df2da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x5fd9275ceea2 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5fd9275ceea2 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5fd9275a9516 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fd9275a9516 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fd9275c2999 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fd9273e527c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x5fd9273e527c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5fd9275c2b52 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x5fd9275c2b52 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fd9275a95d2 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fd92759e6f9 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fd9275aa2ed - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fd9275dfacc - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fd9275df812 - core[8fb95b77d25ab6c8]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5fd9273d26c0 - <core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>>::unwrap
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5fd9273d26c0 - rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:365:32
[INFO] [stdout]   22:     0x5fd9273c3433 - rust_playground[7119b5c69727d1f8]::types::check_random::<rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types.rs:32:5
[INFO] [stdout]   23:     0x5fd9273d542b - rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:321:9
[INFO] [stdout]   24:     0x5fd9273d1ea7 - rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:320:34
[INFO] [stdout]   25:     0x5fd9273b8eb6 - <rust_playground[7119b5c69727d1f8]::buffer::buffer_pool_instance::test::should_work_concurrently::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5fd9273d835b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5fd9273d835b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   28:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   29:     0x5fd9273e5bd5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   30:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x5fd9273e5bd5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   34:     0x5fd9273e5bd5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   35:     0x5fd9273df4e4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   36:     0x5fd9273df4e4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   38:     0x5fd9273e8c52 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   39:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x5fd9273e8c52 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   43:     0x5fd9273e8c52 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5fd9275c9ebf - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   45:     0x5fd9275c9ebf - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   46:     0x723967452aa4 - <unknown>
[INFO] [stdout]   47:     0x7239674dfa64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     buffer::buffer_pool_instance::test::should_work_concurrently
[INFO] [stdout]     buffer::disk_manager::test::should_read_write_page_at_non_0
[INFO] [stdout]     buffer::disk_manager::test::should_work_concurrently
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 28 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8", kill_on_drop: false }`
[INFO] [stdout] 1e0c81a891e1c3f5bd1a1f536e235757e4a94d03bcac301a48890b683cfd58a8
