[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 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelgenek%2Frust-playground" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/melgenek/rust-playground on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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 quickcheck v1.0.3
[INFO] [stderr]   Downloaded rustversion v1.0.6
[INFO] [stderr]   Downloaded shuttle v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37feef5bf8f3e973e6792ac2af0d7b4f7c3c014eb1a0d57968e5ae7a039f025c
[INFO] running `Command { std: "docker" "start" "-a" "37feef5bf8f3e973e6792ac2af0d7b4f7c3c014eb1a0d57968e5ae7a039f025c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37feef5bf8f3e973e6792ac2af0d7b4f7c3c014eb1a0d57968e5ae7a039f025c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37feef5bf8f3e973e6792ac2af0d7b4f7c3c014eb1a0d57968e5ae7a039f025c", kill_on_drop: false }`
[INFO] [stdout] 37feef5bf8f3e973e6792ac2af0d7b4f7c3c014eb1a0d57968e5ae7a039f025c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fee792c27b1af71ce3dcc71a63ea457e39d378004d608c31a45e12bbb928900d
[INFO] running `Command { std: "docker" "start" "-a" "fee792c27b1af71ce3dcc71a63ea457e39d378004d608c31a45e12bbb928900d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[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)]` 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 31 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)]` 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "fee792c27b1af71ce3dcc71a63ea457e39d378004d608c31a45e12bbb928900d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee792c27b1af71ce3dcc71a63ea457e39d378004d608c31a45e12bbb928900d", kill_on_drop: false }`
[INFO] [stdout] fee792c27b1af71ce3dcc71a63ea457e39d378004d608c31a45e12bbb928900d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc6c424eb216698585b2a6352e1e800bc9b15a2077690c5a58050fabc26f5414
[INFO] running `Command { std: "docker" "start" "-a" "fc6c424eb216698585b2a6352e1e800bc9b15a2077690c5a58050fabc26f5414", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[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)]` 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 31 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)]` 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 quote v1.0.23
[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: 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 31 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 8.79s
[INFO] running `Command { std: "docker" "inspect" "fc6c424eb216698585b2a6352e1e800bc9b15a2077690c5a58050fabc26f5414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6c424eb216698585b2a6352e1e800bc9b15a2077690c5a58050fabc26f5414", kill_on_drop: false }`
[INFO] [stdout] fc6c424eb216698585b2a6352e1e800bc9b15a2077690c5a58050fabc26f5414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e727a96ad7ac17732d9677e095e029bacab306f5e2919c78409bcd428286008
[INFO] running `Command { std: "docker" "start" "-a" "4e727a96ad7ac17732d9677e095e029bacab306f5e2919c78409bcd428286008", 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)]` 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 31 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)]` 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: `rust-playground` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_playground-ccbaf1d6ea2ee0f8)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test aa_tree::test::should_not_mutate_existing_tree ... ok
[INFO] [stdout] test buffer::lru::test::should_add_remove_when_interleave ... ok
[INFO] [stdout] test buffer::lru::test::should_remove_from_empty_lru ... ok
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_fetch_cached_page ... ok
[INFO] [stdout] test buffer::lru::test::should_work ... ok
[INFO] [stdout] test buffer::buffer_pool_instance::test::should_run_scenario ... 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::page::test::should_set_unset_is_dirty ... ok
[INFO] [stdout] test buffer::page::test::should_pin_unpin_page ... 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 hash_table::test::should_not_find_non_existent_value ... ok
[INFO] [stdout] test hash_table::test::should_put_get ... ok
[INFO] [stdout] test hash_table::test::should_get_split_image_idx ... ok
[INFO] [stdout] test aa_tree::test::should_create_tree ... ok
[INFO] [stdout] test hash_table::test::should_put_get_multiple_values ... ok
[INFO] [stdout] test hash_table::test::should_put_get_multiple ... ok
[INFO] [stdout] test buffer::lru::test::should_find_no_last_in_empty_lru ... 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 buffer::page::test::should_set_reset_page_id ... ok
[INFO] [stdout] test buffer::page::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_create_new_page_when_full ... ok
[INFO] [stdout] test aa_tree::test::should_build_example_1 ... ok
[INFO] [stdout] test buffer::lru::test::should_work_concurrently ... ok
[INFO] [stdout] test hash_table::test::should_find_least_significant_bits ... ok
[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' panicked at src/buffer/disk_manager.rs:85:9:
[INFO] [stdout] assertion `left == right` failed
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124, 11, 105, 186, 200, 81, 98, 221, 77, 159, 146, 14, 252, 2, 79, 230, 202, 184, 12, 75, 118, 247, 178, 98, 33, 237, 229, 120, 68, 252, 79, 141, 222, 240, 137, 252, 11, 146, 100, 242, 74, 181, 220, 14, 149, 114, 15, 89, 72, 193, 154, 92, 31, 171, 212, 171, 234, 43, 56, 42, 41, 104, 33, 190, 216, 73, 232, 47, 156, 235, 130, 187, 153, 40, 150, 152, 44, 231, 251, 145, 30, 202, 225, 172, 122, 118, 16, 0, 132, 53, 123, 42, 148, 42, 199, 77, 106, 205, 122, 50, 43, 6, 15, 212, 150, 253, 24, 145, 169, 32, 104, 217, 12, 129, 10, 172, 239, 198, 178, 171, 61, 218, 151, 41, 171, 235, 124, 12, 61, 80, 143, 218, 173, 208, 139, 45, 243, 79, 184, 247, 207, 69, 186, 170, 3, 12, 99, 161, 183, 77, 135, 39, 221, 250, 43, 14, 124, 118, 121, 2, 128, 208, 3, 220, 228, 28, 65, 80, 253, 69, 25, 244, 41, 127, 54, 211, 26, 57, 217, 68, 245, 55, 43, 151, 161, 56, 219, 120, 163, 121, 64, 185, 132, 77, 153, 213, 42, 232, 111, 184, 164, 14, 199, 18, 213, 142, 139, 15, 193, 38, 91, 31, 190, 6, 225, 13, 65, 239, 210, 73, 164, 233, 230, 228, 122, 122, 201, 196, 212, 92, 125, 140, 17, 151, 140, 111, 158, 217, 228, 162, 108, 169, 170, 116, 109, 255, 207, 208, 79, 181, 224, 112, 99, 176, 64, 226, 176, 218, 124, 86, 223, 80, 182, 82, 182, 198, 209, 43, 111, 85, 244, 224, 136, 47, 49, 32, 61, 92, 145, 70, 141, 187, 173, 51, 235, 160, 83, 160, 209, 81, 223, 51, 26, 124, 198, 47, 58, 232, 228, 240, 77, 3, 3, 145, 30, 93, 94, 60, 103, 62, 102, 154, 81, 46, 230, 53, 205, 242, 163, 100, 228, 245, 34, 247, 174, 94, 57, 28, 134, 138, 214, 20, 211, 237, 172, 169, 170, 213, 235, 72, 153, 96, 198, 219, 45, 130, 144, 14, 240, 239, 165, 64, 243, 45, 63, 83, 241, 176, 206, 93, 187, 229, 142, 246, 85, 229, 47, 134, 45, 44, 253, 63, 139, 153, 173, 247, 63, 119, 52, 214, 236, 83, 140, 243, 158, 176, 82, 139, 66, 93, 33, 218, 186, 132, 130, 134, 148, 36, 122, 188, 14, 215, 47, 15, 182, 39, 252, 216, 192, 200, 188, 139, 238, 105, 199, 21, 226, 165, 235, 45, 209, 112, 42, 159, 11, 90, 73, 183, 12, 135, 134, 223, 81, 229, 151, 67, 150, 151, 249, 238, 59, 42, 242, 150, 33, 38, 191, 166, 232, 209, 137, 43, 243, 155, 33, 166, 144, 34, 197, 160, 42, 253, 116, 37, 223, 45, 232, 148, 9, 211, 23, 42, 81, 16, 64, 173, 99, 70, 171, 75, 203, 114, 106, 111, 174, 232, 204, 184, 242, 134, 0, 115, 177, 143, 74, 208, 101, 222, 247, 141, 211, 116, 167, 164, 113, 80, 13, 88, 69, 124, 59, 39, 211, 61, 102, 43, 113, 162, 102, 56, 150, 211, 167, 118, 56, 82, 240, 127, 231, 204, 251, 218, 13, 139, 224, 178, 139, 240, 165, 45, 27, 65, 170, 177, 86, 253, 95, 222, 130, 117, 205, 13, 7, 72, 201, 207, 233, 139, 231, 124, 51, 102, 99, 255, 236, 42, 209, 80, 152, 232, 101, 148, 189, 11, 22, 1, 131, 162, 1, 44, 59, 160, 120, 231, 42, 107, 49, 57, 2, 174, 45, 168, 173, 221, 136, 113, 120, 70, 28, 117, 178, 198, 115, 169, 105, 72, 37, 177, 61, 143, 9, 189, 204, 87, 198, 59, 109, 199, 116, 231, 91, 10, 107, 147, 119, 29, 157, 56, 252, 56, 248, 69, 229, 166, 222, 71, 96, 103, 41, 148, 19, 142, 75, 125, 63, 47, 202, 125, 70, 37, 7, 114, 232, 101, 224, 60, 223, 183, 108, 223, 148, 187, 174, 212, 88, 155, 44, 141, 191, 157, 177, 199, 228, 109, 234, 135, 126, 82, 123, 154, 202, 130, 87, 247, 115, 205, 166, 166, 25, 234, 72, 135, 160, 209, 207, 44, 14, 199, 193, 63, 48, 42, 71, 212, 136, 126, 43, 141, 112, 212, 124, 156, 149, 252, 140, 187, 234, 204, 25, 45, 94, 58, 61, 115, 215, 56, 74, 115, 250, 202, 184, 122, 93, 203, 38, 96, 159, 64, 250, 191, 32, 238, 182, 191, 142, 124, 219, 208, 151, 68, 199, 171, 37, 19, 137, 29, 243, 195, 108, 78, 87, 54, 79, 102, 214, 202, 236, 46, 5, 61, 182, 78, 69, 76, 96, 189, 16, 54, 240, 208, 6, 37, 51, 244, 48, 8, 118, 219, 139, 182, 159, 248, 15, 52, 180, 38, 204, 109, 26, 45, 151, 218, 209, 158, 23, 237, 85, 158, 222, 182, 161, 119, 208, 48, 81, 151, 0, 88, 182, 98, 251, 85, 239, 231, 252]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e410c8e6252 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e410c8e6252 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e410c8e6252 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e410c8e6252 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e410c90c053 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e410c90c053 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5e410c8e3083 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e410c8e3083 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e410c8e60a2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e410c8e7889 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e410c8e76be - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5e410c725a54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5e410c725a54 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e410c8e835e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5e410c8e835e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5e410c8e802a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5e410c8e6759 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5e410c8e7cbd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5e410c90aa50 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5e410c90adfc - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5e410c6e20cc - core::panicking::assert_failed::h25b2b77db9946cae
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5e410c6c8027 - rust_playground::buffer::disk_manager::test::should_read_write_page_at_non_0::h405bbb8afe453884
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:85:9
[INFO] [stdout]   22:     0x5e410c6c7c37 - rust_playground::buffer::disk_manager::test::should_read_write_page_at_non_0::{{closure}}::h443d57385e80f83d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:76:45
[INFO] [stdout]   23:     0x5e410c6cae26 - core::ops::function::FnOnce::call_once::h3b1e2a8af22db538
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5e410c72b2bb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5e410c72b2bb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5e410c72a3f5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5e410c72a3f5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5e410c72a3f5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5e410c72a3f5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5e410c72a3f5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5e410c72a3f5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5e410c72a3f5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5e410c6edff4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5e410c6edff4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5e410c6f19ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5e410c6f19ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5e410c6f19ca - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5e410c6f19ca - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5e410c6f19ca - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5e410c6f19ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5e410c6f19ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5e410c8eb2df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5e410c8eb2df - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x711a397c2aa4 - <unknown>
[INFO] [stdout]   45:     0x711a3984fa34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::disk_manager::test::should_work_concurrently stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' panicked at src/buffer/disk_manager.rs:118:21:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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159, 249, 137, 206, 169, 6, 170, 35, 252, 50, 233, 226, 231, 248, 228, 253, 183, 79, 87, 136, 146, 239, 64, 228, 82, 82, 48, 99, 126, 82, 41, 30, 2, 221, 132, 50, 43, 210, 124, 201, 139, 212, 115, 79, 144, 123, 114, 194, 142, 239, 173, 209, 36, 129, 215, 175, 30, 40, 1, 158, 32, 172, 39, 206, 79, 63, 45, 209, 72, 99, 12, 199, 7, 148, 110, 249, 95, 123, 138, 116, 134, 120, 30, 150, 234, 225, 185, 205, 23, 53, 20, 12, 164, 56, 117, 189, 227, 237, 92, 194, 19, 179, 128, 160, 105, 167, 90, 185, 98, 218, 189, 237, 201, 251, 162, 70, 148, 67, 228, 233, 190, 20, 230, 207, 241, 115, 36, 104, 177, 33, 20, 26, 211, 139, 202, 210, 62, 145, 238, 250, 159, 8, 141, 162, 11, 120, 177, 134, 205, 76, 125, 80, 30, 200, 42, 76, 187, 18, 131, 21, 129, 168, 225, 18, 69, 221, 87, 174, 144, 67, 30, 53, 124, 84, 39, 20, 109, 98, 209, 140, 14, 127, 165, 221, 115, 152, 171, 203, 234, 164, 184, 138, 80, 218, 120, 82, 172, 31, 124, 128, 164, 42, 7, 41, 16, 249, 86, 67, 225, 233, 180, 129, 62, 247, 156, 87, 75, 85, 97, 4, 68, 253, 246, 18, 249, 235, 95, 27, 177, 202, 33, 56, 95, 178, 108, 35, 120, 238, 194, 21, 48, 33, 80, 83, 192, 176, 49, 115, 64, 113, 64, 220, 121, 21, 144, 156, 44, 140, 199, 142, 153, 134, 160, 92, 181, 156, 16, 239, 78, 197, 65, 10, 182, 21, 13, 82, 3, 156, 99, 112, 212, 19, 218, 142, 138, 149, 119, 11, 250, 163, 47, 152, 168, 0, 57, 238, 176, 253, 140, 149, 42, 146, 223, 169, 103, 194, 74, 36, 171, 144, 62, 58, 49, 206, 94, 46, 48, 118, 40, 145, 218, 238, 157, 127, 9, 212, 55, 55, 121, 149, 207, 76, 239, 240, 25, 250, 230, 35, 58, 149, 105, 149, 14, 48, 189, 179, 4, 194, 23, 70, 59, 171, 8, 78, 92, 4, 165, 105, 90, 102, 57, 220, 240, 41, 128, 156, 16, 252, 193, 96, 110, 16, 22, 21, 69, 15, 245, 214, 125, 210, 29, 195, 143, 133, 196, 105, 16, 115, 253, 165, 137, 135, 211, 116, 231, 190, 233, 193, 36, 234, 27, 216, 79, 232, 156, 82, 113, 111, 200, 234, 212, 176, 191, 79, 79, 158, 53, 7, 240, 22, 117, 107, 135, 133, 191, 97, 48, 14, 102, 136, 38, 158, 28, 222, 240, 106, 16, 160, 116, 63, 103, 98, 175, 243, 154, 197, 101, 3, 202, 177, 21, 71, 22, 18, 238, 27, 213, 166, 91, 160, 97, 201, 82, 173, 72, 154, 251, 255, 60, 131, 131, 160, 48, 244, 55, 120, 5, 213, 224, 30, 115, 98, 30, 48, 117, 121, 64, 222, 66, 121, 54, 38, 227, 124, 11, 73, 122, 234, 20, 197, 117, 63, 205, 192, 203, 237, 180, 92, 68, 212, 218, 133, 148, 113, 102, 196, 247, 196, 109, 116, 5, 215, 177, 219, 58, 108, 171, 114, 245, 226, 53, 29, 106, 210, 98, 121, 86, 199, 219, 154, 205, 140, 226, 10, 150, 121, 125, 60, 112, 163, 217, 142, 107, 38, 136, 170, 49, 121, 64, 232, 66, 165, 38, 122, 88, 141, 68, 212, 135, 165, 148, 130, 163, 59, 122, 20, 22, 134, 207, 151, 102, 223, 129, 225, 224, 173, 72, 77, 95, 122, 26, 31, 222, 181, 164, 232, 233, 237, 159, 120, 247, 162, 165, 157, 163, 162, 44, 213, 210, 76, 67, 124, 26, 228, 54, 166, 123, 230, 75, 113, 169, 152, 184, 28, 146, 172, 44, 169, 135, 170, 97, 157, 53, 201, 40, 20, 251, 227, 22, 246, 72, 48, 221, 156, 210, 93, 193, 75, 51, 219, 68, 137, 7, 144, 5, 16, 85, 47, 230, 112, 76, 162, 114, 43, 27, 214, 196, 123, 15, 57, 227, 178, 198, 234, 73, 100, 66, 5, 244, 23, 69, 96, 100, 69, 35, 49, 161, 254, 235, 209, 7, 186, 85, 213, 101, 239, 78, 64, 247, 103, 92, 174, 204, 60, 53, 140, 217, 89, 189, 124, 84, 219, 65, 34, 168, 77, 99, 28, 84, 95, 195, 154, 31, 3, 150, 170, 226, 228, 109, 27, 165, 91, 109, 181, 88, 51, 32, 115, 228, 227, 224, 59, 139, 229, 18, 136, 45, 46, 231, 177, 177, 66, 29, 123, 65, 35, 70, 17, 155, 189, 233, 110, 165, 64, 164, 7, 239, 237, 209, 125, 106, 129, 185, 56, 214, 183, 133, 111, 160, 118, 85, 26, 195, 77, 248, 158, 2, 146, 243, 238, 16, 114, 201, 252, 53, 7, 163, 41, 145, 248, 51, 90, 155, 8, 100, 12, 86, 216, 148, 25, 199, 45, 69, 124, 107, 31, 233, 216, 89, 229, 32, 1, 191, 155, 4, 156, 206]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e410c8e6252 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e410c8e6252 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e410c8e6252 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e410c8e6252 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e410c90c053 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e410c90c053 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5e410c8e3083 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e410c8e3083 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e410c8e60a2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e410c8e7889 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e410c8e76be - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5e410c725a54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5e410c725a54 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e410c8e835e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5e410c8e835e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5e410c8e802a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5e410c8e6759 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5e410c8e7cbd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5e410c90aa50 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5e410c90adfc - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5e410c6e20cc - core::panicking::assert_failed::h25b2b77db9946cae
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5e410c6c8e56 - rust_playground::buffer::disk_manager::test::should_work_concurrently::{{closure}}::{{closure}}::h402636457dd204ce
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:118:21
[INFO] [stdout]   22:     0x5e410c6b9b5e - std::sys::backtrace::__rust_begin_short_backtrace::h71f96b9945c063b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   23:     0x5e410c6b3727 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdccd470efe586b7f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   24:     0x5e410c6c9650 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h860614e03f63c032
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25:     0x5e410c6e63bb - std::panicking::catch_unwind::do_call::h0d2a93aa814b5083
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   26:     0x5e410c6b3c2b - __rust_try
[INFO] [stdout]   27:     0x5e410c6b24a8 - std::panicking::catch_unwind::h6b4ce6eb7670502e
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x5e410c6b24a8 - std::panic::catch_unwind::hc01e87292fad84a2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5e410c6b24a8 - std::thread::Builder::spawn_unchecked_::{{closure}}::hccafb3409d49fc2e
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   30:     0x5e410c6cacee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb4a9402da7a74bf2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   31:     0x5e410c8eb2df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   32:     0x5e410c8eb2df - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   33:     0x711a397c2aa4 - <unknown>
[INFO] [stdout]   34:     0x711a3984fa34 - clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'buffer::disk_manager::test::should_work_concurrently' panicked at src/buffer/disk_manager.rs:131:32:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e410c8e6252 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e410c8e6252 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e410c8e6252 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e410c8e6252 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e410c90c053 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e410c90c053 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5e410c8e3083 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e410c8e3083 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e410c8e60a2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e410c8e7889 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e410c8e76be - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5e410c725a54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5e410c725a54 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e410c8e835e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5e410c8e835e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5e410c8e802a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5e410c8e6759 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5e410c8e7cbd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5e410c90aa50 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5e410c90af06 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5e410c6c88db - core::result::Result<T,E>::unwrap::he273ada738a3a474
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5e410c6c88db - rust_playground::buffer::disk_manager::test::should_work_concurrently::{{closure}}::h09aa097d499a3333
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:131:32
[INFO] [stdout]   22:     0x5e410c6ce533 - rust_playground::types::check_random::h5fdd5ce8e518ed95
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types.rs:32:5
[INFO] [stdout]   23:     0x5e410c6c84bb - rust_playground::buffer::disk_manager::test::should_work_concurrently::h65f28e282091dc9c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:104:9
[INFO] [stdout]   24:     0x5e410c6c8497 - rust_playground::buffer::disk_manager::test::should_work_concurrently::{{closure}}::h0ee74dfba8bbcffe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/disk_manager.rs:103:34
[INFO] [stdout]   25:     0x5e410c6cb546 - core::ops::function::FnOnce::call_once::hc5da67f8ccdb9941
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x5e410c72b2bb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   27:     0x5e410c72b2bb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   28:     0x5e410c72a3f5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   29:     0x5e410c72a3f5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5e410c72a3f5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   31:     0x5e410c72a3f5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   32:     0x5e410c72a3f5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5e410c72a3f5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   34:     0x5e410c72a3f5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   35:     0x5e410c6edff4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   36:     0x5e410c6edff4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   37:     0x5e410c6f19ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   38:     0x5e410c6f19ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5e410c6f19ca - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   40:     0x5e410c6f19ca - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   41:     0x5e410c6f19ca - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x5e410c6f19ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   43:     0x5e410c6f19ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   44:     0x5e410c8eb2df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x5e410c8eb2df - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   46:     0x711a397c2aa4 - <unknown>
[INFO] [stdout]   47:     0x711a3984fa34 - 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>' panicked at src/buffer/buffer_pool_instance.rs:361:50:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [85, 233, 56, 203, 110, 196, 203, 175, 44, 66, 137, 4, 214, 22, 95, 111, 55, 211, 242, 230, 102, 29, 94, 13, 68, 58, 103, 217, 20, 69, 145, 204, 29, 149, 202, 240, 184, 46, 127, 192, 194, 124, 192, 192, 31, 82, 51, 196, 60, 3, 77, 135, 142, 144, 144, 160, 175, 216, 100, 240, 234, 116, 220, 53, 242, 175, 40, 79, 246, 55, 118, 135, 61, 141, 60, 22, 186, 99, 136, 181, 117, 128, 24, 169, 179, 18, 107, 217, 218, 210, 222, 228, 7, 146, 108, 188, 56, 2, 48, 27, 93, 71, 192, 10, 176, 234, 157, 112, 188, 126, 235, 211, 158, 175, 188, 42, 81, 69, 117, 86, 155, 254, 173, 128, 14, 81, 205, 120, 71, 15, 62, 214, 176, 185, 244, 50, 6, 63, 242, 149, 196, 78, 97, 58, 179, 39, 191, 92, 238, 201, 76, 102, 242, 153, 242, 188, 136, 223, 246, 142, 142, 239, 214, 55, 95, 48, 146, 106, 208, 2, 210, 204, 99, 129, 240, 163, 66, 163, 94, 31, 34, 216, 24, 45, 254, 181, 149, 85, 184, 172, 169, 187, 180, 93, 80, 220, 242, 69, 238, 240, 183, 39, 134, 157, 27, 177, 67, 201, 53, 147, 232, 15, 255, 7, 118, 131, 87, 113, 150, 216, 31, 227, 233, 23, 67, 184, 151, 54, 125, 208, 114, 164, 21, 75, 9, 254, 240, 58, 30, 207, 43, 38, 224, 199, 50, 68, 147, 80, 216, 108, 143, 68, 95, 94, 140, 60, 135, 123, 176, 161, 151, 128, 210, 75, 141, 57, 69, 176, 58, 191, 248, 246, 50, 80, 248, 247, 69, 84, 138, 231, 2, 133, 38, 136, 52, 163, 210, 17, 144, 199, 128, 66, 191, 223, 156, 69, 158, 55, 219, 212, 251, 120, 182, 99, 48, 121, 73, 145, 38, 146, 95, 220, 33, 27, 232, 129, 166, 21, 239, 93, 246, 34, 91, 140, 247, 4, 94, 53, 34, 33, 56, 123, 38, 50, 219, 91, 88, 131, 19, 131, 64, 103, 233, 216, 163, 151, 246, 236, 188, 131, 14, 15, 125, 173, 171, 68, 222, 27, 154, 67, 92, 2, 56, 170, 58, 147, 4, 122, 54, 47, 232, 43, 62, 172, 88, 179, 85, 103, 204, 4, 66, 178, 206, 13, 224, 213, 85, 230, 32, 139, 251, 185, 196, 62, 77, 254, 194, 67, 218, 234, 103, 151, 58, 6, 147, 121, 166, 13, 28, 234, 8, 103, 179, 214, 9, 190, 224, 67, 94, 34, 40, 4, 28, 176, 164, 135, 53, 241, 249, 255, 30, 18, 141, 102, 208, 168, 63, 16, 122, 248, 50, 46, 22, 171, 152, 120, 11, 54, 209, 15, 194, 147, 137, 148, 251, 89, 117, 60, 222, 145, 89, 8, 125, 135, 63, 215, 251, 125, 136, 130, 209, 195, 93, 102, 163, 206, 254, 85, 92, 103, 130, 72, 70, 254, 65, 226, 122, 60, 233, 128, 154, 134, 63, 44, 60, 244, 169, 178, 69, 36, 109, 115, 127, 119, 66, 197, 22, 74, 17, 234, 105, 207, 201, 161, 103, 45, 252, 68, 215, 166, 251, 145, 41, 75, 211, 87, 52, 61, 66, 26, 24, 104, 93, 129, 218, 99, 234, 206, 108, 170, 179, 67, 126, 7, 56, 93, 106, 112, 99, 126, 205, 11, 105, 10, 20, 216, 13, 246, 1, 221, 151, 59, 113, 118, 28, 189, 120, 175, 136, 23, 134, 77, 110, 94, 91, 55, 149, 113, 254, 173, 184, 45, 248, 101, 172, 29, 250, 182, 34, 19, 228, 140, 34, 206, 181, 186, 81, 162, 116, 35, 219, 166, 146, 104, 118, 178, 21, 193, 194, 228, 113, 84, 1, 29, 253, 202, 36, 61, 72, 112, 148, 5, 243, 228, 205, 227, 199, 120, 234, 168, 234, 190, 254, 109, 160, 118, 133, 85, 112, 162, 173, 78, 70, 51, 45, 212, 248, 125, 180, 250, 56, 203, 223, 171, 239, 36, 1, 141, 227, 81, 225, 115, 52, 72, 235, 9, 50, 121, 44, 160, 159, 136, 78, 9, 6, 128, 123, 178, 121, 223, 213, 142, 182, 24, 41, 61, 79, 122, 127, 24, 76, 143, 91, 174, 124, 84, 252, 186, 91, 49, 170, 227, 69, 170, 127, 185, 195, 107, 220, 44, 244, 223, 138, 99, 164, 162, 39, 125, 23, 42, 20, 174, 22, 219, 50, 124, 196, 218, 24, 254, 73, 110, 168, 157, 206, 230, 129, 194, 88, 42, 32, 203, 184, 85, 56, 232, 42, 60, 154, 80, 167, 108, 146, 45, 215, 173, 149, 74, 48, 96, 90, 181, 227, 140, 223, 86, 248, 25, 216, 240, 246, 170, 66, 60, 174, 162, 34, 20, 223, 177, 102, 46, 212, 52, 165, 40, 128, 169, 76, 185, 79, 182, 15, 213, 229, 31, 198, 210, 9, 178, 151, 90, 237, 99, 30, 87, 107, 9, 122, 144, 148, 15, 241, 23, 201, 66, 238, 144, 241, 4, 63, 54, 203, 167, 203, 79, 191, 25, 144, 41, 83, 128, 140, 162, 97, 115, 229, 34, 189, 238, 212, 141, 112, 127, 108, 219, 252, 216, 6, 9, 150, 236, 157, 66, 236, 50, 184, 16, 70, 61, 183, 66, 99, 10, 63, 208, 137, 47, 117, 30, 82, 60, 217, 83, 29, 121, 159, 47, 221, 221, 72, 98, 8, 64, 197, 140, 56, 178, 251, 80, 40, 74, 8, 248, 192, 37, 4, 37, 162, 27, 239, 56, 96, 80, 115, 67, 34, 57, 224, 17, 110, 55, 48, 71, 198, 153, 229, 228, 91, 232, 187, 176, 77, 3, 7, 202, 1, 10, 222, 235, 201, 198, 189, 90, 18, 255, 185, 65, 243, 198, 200, 201, 234, 31, 82, 120, 207, 114, 164, 214, 94, 41, 51, 62, 208, 128, 146, 204, 144, 189, 98, 22, 56, 142, 219, 36, 186, 207, 198, 132, 28, 11, 40, 109, 197, 84, 179, 102, 139, 101, 182, 211, 12, 71, 241, 164, 110, 134, 123, 235, 120, 88, 209, 225, 229, 169, 74, 68, 232, 21, 12, 10, 145, 51, 176, 77, 6, 75, 87, 49, 43, 247, 10, 224, 193, 180, 167, 226, 106, 127, 26, 193, 196, 44, 69, 83, 193, 231, 155, 139, 86, 142, 119, 101, 224, 49, 1, 40, 132, 43, 8, 201, 57, 153, 95, 140, 7, 215, 1, 73, 11, 36, 195, 92, 96, 129, 96, 114, 30, 38, 64, 252, 96, 47, 68, 133, 195, 194, 29, 91, 89, 192, 91, 89, 154, 52, 209, 154, 247, 217, 41, 189, 186, 16, 247, 234, 95, 23, 210, 35, 168, 225, 8, 175, 82, 185, 70, 148, 34, 76, 47, 238, 98, 81, 38, 181, 253, 37, 103, 3, 203, 70, 162, 102, 244, 44, 195, 250, 202, 68, 56, 154, 147, 30, 67, 9, 173, 90, 229, 75, 232, 246, 148, 179, 205, 167, 34, 22, 236, 218, 12, 160, 236, 82, 55, 155, 126, 121, 241, 240, 201, 85, 135, 77, 42, 91, 72, 86, 152, 184, 140, 155, 130, 13, 121, 173, 46, 149, 230, 49, 112, 217, 86, 156, 206, 12, 116, 224, 142, 51, 195, 100, 84, 103, 240, 109, 24, 198, 64, 164, 139, 210, 216, 24, 199, 125, 10, 86, 250, 1, 247, 241, 174, 183, 187, 66, 60, 244, 146, 153, 75, 122, 53, 193, 99, 32, 93, 137, 22, 116, 39, 160, 169, 141, 195, 120, 58, 189, 155, 83, 235, 15, 72, 114, 47, 229, 54, 87, 116, 212, 78, 4, 239, 233, 171, 16, 245, 94, 122, 184, 134, 194, 18, 78, 52, 144, 163, 75, 112, 230, 244, 3, 154, 98, 161, 24, 7, 172, 13, 35, 168, 228, 20, 105, 22, 203, 77, 101, 91, 1, 109, 8, 163, 41, 190, 45, 126, 172, 197, 202, 131, 77, 188, 204, 23, 113, 235, 249, 116, 124, 139, 23, 69, 178, 229, 165, 132, 243, 13, 29, 60, 113, 204, 30, 233, 207, 36, 4, 170, 146, 247, 236, 109, 68, 250, 47, 182, 59, 186, 197, 122, 221, 69, 251, 177, 232, 230, 111, 77, 137, 176, 83, 241, 96, 152, 98, 119, 36, 88, 43, 100, 254, 184, 146, 133, 160, 60, 28, 91, 8, 33, 98, 124, 144, 233, 82, 61, 210, 40, 63, 184, 104, 245, 48, 5, 115, 110, 123, 49, 58, 59, 94, 23, 175, 249, 186, 95, 76, 26, 133, 199, 166, 243, 95, 75, 250, 61, 151, 47, 176, 0, 99, 178, 17, 22, 20, 203, 15, 0, 59, 41, 45, 45, 120, 22, 97, 40, 25, 232, 54, 49, 11, 117, 119, 124, 181, 116, 156, 103, 37, 112, 127, 176, 125, 62, 123, 153, 131, 72, 23, 247, 70, 175, 23, 9, 131, 151, 177, 42, 207, 143, 77, 11, 72, 199, 71, 245, 10, 56, 8, 137, 0, 223, 105, 4, 134, 46, 223, 168, 162, 127, 234, 142, 245, 208, 176, 253, 173, 177, 18, 15, 224, 176, 24, 34, 113, 11, 180, 169, 144, 117, 161, 37, 34, 6, 37, 75, 66, 54, 23, 216, 137, 179, 157, 215, 37, 3, 40, 169, 254, 106, 219, 101, 196, 89, 240, 249, 182, 131, 86, 166, 6, 92, 151, 135, 231, 250, 112, 130, 66, 145, 152, 68, 186, 236, 85, 244, 66, 61, 215, 221, 23, 128, 111, 176, 167, 0, 80, 84, 188, 218, 155, 217, 184, 245, 244, 106, 133, 60, 71, 20, 217, 43, 108, 56, 46, 43, 142, 181, 3, 11, 10, 212, 122, 77, 45, 86, 48, 90, 84, 16, 80, 4, 38, 206, 28, 57, 20, 74, 103, 117, 80, 122, 57, 241, 89, 146, 57, 255, 149, 44, 129, 235, 155, 242, 222, 92, 63, 75, 149, 140, 15, 180, 70, 2, 62, 163, 152, 182, 85, 137, 18, 70, 203, 234, 195, 121, 142, 184, 241, 68, 62, 200, 119, 27, 25, 145, 189, 220, 11, 142, 146, 186, 61, 243, 18, 74, 225, 66, 130, 62, 228, 182, 68, 42, 86, 69, 242, 42, 254, 82, 237, 191, 18, 42, 100, 230, 28, 177, 127, 100, 44, 238, 245, 207, 77, 129, 255, 169, 129, 129, 204, 120, 133, 154, 53, 63, 75, 135, 24, 162, 243, 46, 65, 86, 158, 235, 231, 9, 100, 165, 110, 118, 71, 140, 3, 237, 50, 63, 136, 249, 164, 233, 10, 58, 144, 9, 103, 219, 39, 0, 18, 194, 66, 230, 211, 6, 24, 232, 253, 232, 76, 85, 143, 247, 174, 213, 73, 116, 4, 136, 150, 203, 176, 25, 47, 45, 71, 129, 8, 180, 210, 77, 61, 96, 216, 235, 58, 138, 203, 128, 133, 214, 70, 195, 99, 80, 1, 214, 107, 126, 32, 151, 176, 150, 66, 72, 205, 56, 224, 188, 73, 144, 108, 193, 189, 210, 73, 97, 66, 107, 76, 242, 192, 117, 243, 194, 175, 22, 248, 14, 227, 170, 239, 186, 58, 199, 203, 213, 203, 222, 42, 12, 9, 248, 96, 212, 220, 53, 15, 122, 30, 185, 207, 161, 162, 83, 124, 214, 204, 210, 55, 51, 5, 31, 218, 41, 185, 55, 179, 221, 49, 39, 131, 88, 208, 187, 137, 121, 23, 247, 147, 53, 170, 49, 32, 37, 138, 93, 21, 115, 181, 169, 29, 159, 156, 16, 142, 251, 203, 142, 113, 189, 136, 38, 119, 144, 187, 64, 149, 6, 158, 248, 55, 150, 67, 64, 58, 118, 107, 109, 17, 183, 187, 255, 85, 129, 232, 176, 180, 185, 55, 20, 69, 245, 215, 33, 191, 166, 208, 126, 106, 204, 146, 193, 133, 89, 40, 19, 35, 120, 147, 213, 185, 47, 224, 217, 241, 241, 165, 176, 80, 47, 2, 70, 108, 98, 109, 51, 109, 190, 88, 118, 46, 20, 201, 229, 90, 22, 243, 151, 251, 244, 178, 30, 88, 125, 30, 194, 174, 136, 228, 179, 36, 212, 94, 133, 207, 211, 214, 198, 39, 91, 58, 253, 112, 11, 244, 27, 70, 193, 0, 199, 164, 66, 211, 9, 102, 129, 251, 40, 51, 215, 9, 225, 232, 61, 89, 11, 44, 43, 68, 90, 218, 74, 168, 96, 52, 104, 120, 254, 223, 203, 157, 108, 44, 132, 34, 36, 158, 163, 83, 237, 8, 233, 95, 50, 95, 82, 213, 156, 236, 95, 208, 206, 50, 22, 217, 17, 41, 207, 73, 96, 153, 53, 87, 135, 199, 122, 121, 246, 77, 125, 151, 132, 189, 73, 178, 156, 10, 77, 41, 182, 251, 127, 102, 124, 195, 8, 190, 249, 198, 115, 80, 89, 64, 159, 173, 157, 225, 210, 95, 118, 105, 249, 99, 143, 190, 93, 201, 234, 228, 131, 12, 249, 89, 253, 108, 69, 145, 209, 49, 189, 111, 185, 191, 106, 144, 65, 169, 159, 58, 138, 7, 201, 88, 63, 100, 226, 239, 5, 252, 158, 53, 143, 141, 81, 198, 193, 231, 249, 184, 247, 71, 99, 180, 58, 196, 25, 181, 154, 133, 223, 131, 33, 182, 57, 52, 164, 119, 142, 251, 95, 48, 241, 119, 143, 102, 160, 245, 71, 73, 98, 16, 231, 198, 11, 13, 58, 38, 56, 156, 158, 253, 200, 241, 29, 139, 152, 57, 45, 243, 230, 210, 88, 86, 249, 169, 113, 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199, 181, 185, 178, 204, 72, 49, 136, 89, 232, 86, 16, 110, 116, 156, 104, 70, 81, 223, 105, 47, 31, 37, 158, 21, 227, 200, 124, 133, 208, 214, 65, 26, 19, 84, 36, 200, 249, 68, 15, 124, 106, 217, 216, 203, 225, 27, 138, 211, 53, 201, 126, 121, 75, 84, 204, 144, 5, 11, 205, 113, 98, 89, 110, 198, 4, 180, 82, 104, 191, 64, 52, 4, 85, 20, 162, 25, 56, 48, 197, 162, 232, 45, 240, 163, 235, 56, 209, 174, 173, 163, 147, 185, 41, 154, 184, 20, 213, 31, 32, 184, 129, 24, 204, 206, 86, 213, 57, 254, 120, 234, 151, 91, 27, 164, 196, 168, 36, 210, 18, 7, 241, 218, 191, 205, 57, 189, 60, 69, 233, 133, 236, 146, 238, 183, 187, 30, 191, 247, 161, 174, 198, 37, 230, 188, 249, 192, 107, 75, 121, 160, 102, 27, 165, 94, 217, 184, 236, 32, 191, 43, 217, 37, 57, 166, 123, 92, 22, 215, 59, 194, 118, 95, 93, 125, 81, 165, 107, 180, 57, 9, 8, 32, 237, 176, 184, 149, 185, 9, 81, 232, 96, 244, 85, 41, 91, 220, 47, 60, 89, 114, 211, 11, 200, 65, 247, 243, 61, 40, 62, 47, 202, 174, 235, 110, 234, 222, 153, 115, 172, 158, 128, 60, 103, 14, 207, 19, 229, 178, 133, 92, 192, 13, 122, 33, 108, 212, 5, 33, 190, 194, 162, 60, 179, 7, 109, 117, 133, 222, 42, 68, 115, 198, 253, 148, 160, 203, 51, 46, 29, 212, 116, 125, 168, 21, 0, 142, 44, 120, 234, 238, 11, 251, 104, 240, 70, 141, 251, 6, 138, 84, 121, 136, 219, 207, 242, 212, 49, 10, 121, 175, 38, 206, 149, 122, 223, 24, 64, 146, 200, 222, 50, 215, 125, 19, 74, 17, 16, 175, 135, 190, 50, 103, 254, 223, 11, 72, 107, 237, 215, 238, 154, 47, 116, 132, 134, 66, 147, 255, 24, 18, 81, 66, 68, 193, 178, 74, 114, 100, 39, 122, 208, 51, 117, 106, 124, 255, 56, 242, 11, 77, 193, 62, 148, 132, 202, 48, 179, 113, 38, 158, 19, 90, 86, 245, 120, 138, 76, 204, 34, 127, 88, 119, 8, 221, 106, 47, 211, 234, 255, 42, 136, 117, 98, 222, 116, 144, 195, 149, 127, 75, 200, 120, 85, 144, 113, 200, 46, 32, 21, 155, 21, 164, 196, 161, 5, 167, 11, 243, 46, 243, 222, 188, 60, 17, 167, 20, 82, 45, 118, 38, 112, 50, 96, 226, 142, 141, 133, 118, 68, 35, 5, 53, 221, 110, 153, 188, 169, 126, 214, 67, 195, 246, 152, 80, 47, 112, 216, 73, 122, 70, 20, 226, 120, 79, 240, 159, 17, 26, 98, 132, 98, 191, 143, 204, 118, 78, 58, 72, 213, 93, 87, 90, 35, 241, 253, 195, 177, 12, 165, 38, 15, 83, 245, 43, 100, 244, 8, 168, 129, 251, 174, 206, 25, 34, 201, 73, 133, 8, 177, 99, 41, 208, 170, 20, 164, 9, 71, 168, 127, 58, 105, 17, 244, 38, 111, 4, 130, 46, 57, 71, 56, 137, 78, 98, 136, 211, 106, 187, 189, 31, 185, 219, 183, 60, 190, 231, 92, 154, 84, 162, 213, 233, 63, 238, 132, 236, 179, 208, 225, 98, 135, 62, 237, 42, 117, 76, 83, 192, 76, 124, 173, 65, 80, 159, 195, 235, 150, 107, 28, 240, 169, 145, 159, 193, 92, 215, 97, 245, 16, 93, 11, 165, 226, 237, 91, 114, 80, 29, 24, 65, 156, 121, 24, 104, 71, 52, 6, 185, 14, 169, 41, 155, 221, 115, 199, 169, 76, 101, 164, 179, 53, 87, 51, 130, 45, 49, 159, 197, 185, 244, 133, 238, 221, 151, 148, 34, 61, 135, 228, 78, 169, 144, 145, 232, 252, 252, 28, 111, 186, 198, 157, 254, 4, 54, 169, 160, 95, 193, 220, 172, 41, 137, 74, 62, 123, 247, 3, 193, 113, 38, 197, 35, 141, 41, 225, 34, 159, 254, 124, 134, 244, 252, 137, 168, 131, 140, 12, 248, 194, 10, 241, 11, 157, 188, 226, 195, 54, 10, 96, 61, 172, 195, 4, 74, 60, 9, 221, 132, 130, 42, 255, 52, 32, 190, 86, 204, 56, 26, 28, 224, 108, 209, 180, 135, 158, 134, 246, 173, 234, 25, 39, 33, 183, 252, 229, 109, 203, 86, 164, 216, 227, 163, 73, 83, 171, 117, 195, 133, 123, 63, 94, 165, 175, 59, 255, 234, 200, 55, 102, 96, 62, 172, 129, 240, 102, 124, 196, 88, 165, 60, 216, 53, 110, 63, 230, 38, 139, 47, 72, 172, 243, 107, 71, 62, 156, 182, 157, 228, 239, 144, 137, 24, 54, 10, 213, 126, 16, 82, 118, 65, 179, 136, 23, 246, 178, 61, 206, 134, 115, 231, 35, 108, 67, 236, 55, 197, 250, 15, 34, 41, 160, 168, 68, 122, 125, 213, 188, 222, 39, 118, 198, 88, 175, 174, 107, 248, 155, 3, 108, 125, 111, 240, 251, 30, 68, 160, 125, 117, 14, 76, 195, 101, 147, 123, 115, 28, 154, 41, 104, 248, 19, 6, 107, 179, 98, 4, 109, 63, 76, 52, 10, 33, 133, 105, 154, 222, 67, 200, 0, 204, 42, 30, 31, 58, 207, 132, 47, 186, 54, 232, 216, 133, 153, 59, 186, 233, 190, 129, 30, 157, 97, 110, 99, 168, 226, 181, 229, 191, 226, 143, 85, 151, 88, 84, 134, 64, 85, 5, 59, 192, 143, 21, 195, 38, 247, 214, 231, 145, 44, 73, 48, 226, 206, 12, 131, 215, 171, 111, 146, 52, 53, 58, 20, 196, 121, 161, 146, 62, 126, 248, 173, 11, 86, 105, 57, 92, 68, 109, 100, 137, 42, 189, 222, 50, 21, 45, 156, 150, 192, 175, 236, 101, 77, 95, 32, 192, 226, 37, 108, 85, 177, 26, 96, 181, 117, 64, 73, 19, 165, 120, 170, 33, 222, 34, 71, 51, 237, 112, 111, 56, 206, 221, 127, 120, 183, 132, 252, 114, 171, 39, 185, 23, 177, 228, 189, 127, 141, 130, 221, 78, 159, 183, 86, 221, 113, 43, 226, 121, 72, 9, 192, 193, 178, 182, 188, 21, 208, 7, 185, 40, 189, 199, 97, 91, 233, 44, 95, 61, 108, 244, 68, 193, 193, 154, 176, 44, 157, 164, 235, 168, 247, 212, 30, 134, 101, 17, 144, 158, 112, 168, 12, 249, 2, 109, 56, 109, 226, 3, 46, 177, 12, 105, 224, 155, 90, 73, 73, 97, 51, 192, 211, 78, 156, 177, 119, 56, 95, 160, 86, 222, 14, 179, 249, 132, 110, 161, 203, 134, 46, 242, 9, 228, 189, 179, 41, 89, 55, 37, 141, 174, 150, 61, 155, 169, 9, 71, 42, 191, 131, 241, 207, 253, 2, 203, 79, 160, 13, 111, 102, 166, 104, 247, 74, 75, 180, 172, 108, 1, 226, 137, 141, 197, 118, 166, 63, 40, 196, 186, 13, 226, 122, 139, 16, 172, 104, 82, 236, 37, 254, 245, 156, 194, 199, 70, 120, 150, 213, 186, 171, 218, 26, 209, 68, 212, 192, 219, 136, 116, 243, 196, 60, 61, 105, 238, 183, 183, 239, 223, 99, 43, 226, 4, 217, 219, 57, 40, 168, 208, 137, 250, 192, 158, 239, 240, 45, 89, 225, 180, 18, 203, 228, 128, 160, 42, 152, 2, 118, 115, 213, 131, 46, 182, 137, 23, 255, 12, 6, 185, 59, 0, 1, 92, 81, 69, 194, 201, 167, 188, 119, 24, 167, 148, 197, 117, 65, 247, 41, 34, 5, 147, 26, 254, 199, 249, 207, 158, 229, 40, 140, 201, 74, 96, 105, 138, 71, 32, 128, 221, 25, 155, 118, 251, 137, 205, 85, 255, 255, 177, 150, 44, 242, 209, 19, 19, 102, 72, 101, 55, 40, 222, 116, 195, 177, 181, 83, 77, 213, 245, 242, 145, 167, 188, 110, 163, 34, 109, 73, 50, 57, 98, 7, 168, 224, 115, 203, 213, 136, 192, 52, 63, 5, 76, 190, 69, 156, 183, 113, 106, 154, 244, 231, 17, 191, 215, 59, 16, 7, 116, 76, 147, 160, 97, 100, 14, 17, 190, 218, 171, 142, 67, 170, 248, 129, 13, 185, 54, 149, 211, 35, 255, 38, 12, 178, 32, 101, 62, 41, 235, 97, 233, 113, 108, 57, 207, 83, 185, 224, 28, 183, 35, 53, 51, 94, 209, 238, 146, 47, 253, 146, 44, 66, 16, 186, 186, 239, 77, 216, 171, 100, 69, 190, 202, 192, 81, 92, 226, 39, 7, 248, 115, 254, 219, 126, 63, 1, 158, 209, 199, 243, 49, 206, 225, 166, 220, 202, 55, 220, 137, 243, 250, 186, 168, 83, 69, 94, 145, 70, 232, 181, 25, 188, 115, 62, 53, 97, 114, 96, 17, 48, 2, 185, 32, 245, 112, 213, 171, 72, 95, 92, 124, 213, 64, 139, 179, 45, 49, 99, 221, 224, 34, 177, 159, 12, 4, 152, 157, 251, 92, 23, 49, 6, 111, 189, 251, 12, 135, 190, 236, 182, 173, 12, 195, 243, 48, 111, 61, 91, 202, 66, 176, 253, 241, 99, 235, 142, 47, 167, 215, 79, 187, 245, 19, 187, 163, 157, 110, 147, 202, 248, 63, 113, 245, 41, 208, 164, 254, 221, 67, 77, 102, 62, 77, 218, 203, 71, 117, 102, 108, 28, 62, 244, 20, 99, 128, 150, 45, 7, 163, 140, 252, 172, 56, 25, 22, 195, 110, 12, 134, 24, 58, 221, 195, 75, 221, 201, 244, 22, 164, 193, 81, 194, 223, 193, 180, 139, 76, 72, 67, 77, 33, 202, 30, 81, 89, 56, 175, 198, 13, 176, 248, 231, 135, 120, 245, 224, 197, 119, 223, 139, 155, 237, 229, 216, 214, 60, 111, 116, 166, 100, 136, 217, 223, 208, 57, 102, 36, 253, 89, 61, 163, 36, 211, 250, 119, 230, 70, 106, 196, 40, 54, 196, 192, 75, 192, 209, 70, 8, 32, 157, 138, 143, 65, 211, 152, 214, 99, 74, 232, 146, 221, 18, 205, 223, 215, 246, 248, 46, 140, 117, 89, 116, 145, 121, 20, 193, 98, 163, 151, 141, 216, 71, 219, 90, 179, 68, 122, 206, 181, 84, 72, 163, 220, 198, 105, 231, 126, 118, 162, 156, 97, 82, 41, 132, 52, 177, 29, 77, 109, 113, 110, 143, 73, 96, 90, 8, 216, 38, 61, 193, 60, 31, 29, 76, 96, 242, 120, 90, 188, 182, 107, 133, 215, 232, 116, 113, 96, 46, 62, 224, 189, 171, 90, 184, 15, 15, 50, 108, 250, 157, 118, 191, 168, 230, 155, 133, 19, 118, 115, 47, 171, 223, 36, 218, 124, 116, 153, 73, 186, 240, 113, 154, 155, 77, 6, 208, 59, 188, 68, 52, 228, 217, 67, 173, 245, 48, 255, 40, 9, 65, 116, 174, 192, 52, 20, 193, 123, 25, 144, 199, 77, 32, 168, 160, 213, 143, 201, 75, 240, 19, 184, 69, 148, 21, 71, 92, 188, 148, 129, 191, 104, 76, 160, 50, 190, 92, 37, 37, 166, 222, 56, 60, 91, 168, 169, 196, 34, 174, 27, 218, 238, 135, 109, 78, 164, 155, 198, 205, 100, 223, 229, 253, 67, 68, 89, 196, 18, 144, 2, 222, 121, 26, 253, 28, 30, 109, 184, 205, 50, 219, 25, 2, 179, 136, 60, 128, 244, 49, 170, 28, 239, 244, 87, 154, 118, 127, 187, 23, 186, 151, 163, 107, 52, 18, 117, 127, 51, 116, 28, 180, 248, 102, 39, 139, 142, 210, 152, 220, 14, 236, 205, 206, 42, 178, 206, 108, 39, 232, 32, 141, 97, 16, 114, 120, 73, 27, 96, 9, 187, 40, 96, 54, 10, 203, 141, 63, 174, 138, 124, 53, 83, 226, 218, 134, 227, 31, 246, 181, 164, 145, 20, 73, 134, 132, 128, 68, 7, 144, 29, 47, 131, 98, 37, 132, 95, 155, 83, 213, 176, 139, 39, 107, 247, 235, 245, 24, 191, 223, 176, 30, 229, 204, 112, 53, 112, 197, 210, 9, 152, 31, 118, 26, 75, 189, 46, 194, 133, 229, 187, 206, 36, 214, 227, 177, 213, 225, 187, 245, 54, 154, 194, 10, 82, 114, 248, 126, 25, 30, 123, 232, 18, 76, 92, 110, 97, 171, 60, 156, 235, 136, 154, 178, 163, 234, 92, 210, 145, 247, 183, 246, 57, 207, 120, 193, 243, 210, 158, 48, 177, 154, 96, 242, 174, 50, 65, 189, 70, 161, 241, 222, 197, 43, 191, 112, 237, 85, 62, 175, 103, 26, 222, 71, 216, 255, 19, 10, 236, 145, 120, 196, 54, 226, 157, 206, 91, 145, 123, 146, 226, 19, 190, 48, 59, 7, 166, 122, 243, 131, 188, 119, 247, 92, 158, 109, 113, 157, 25, 156, 211, 137, 37, 207, 246, 65, 213, 247, 6, 130, 151, 182, 21, 188, 224, 8, 250, 117, 161, 110, 12, 185, 212, 200, 139, 53, 244, 62]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e410c8e6252 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e410c8e6252 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e410c8e6252 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e410c8e6252 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e410c90c053 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e410c90c053 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5e410c8e3083 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e410c8e3083 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e410c8e60a2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e410c8e7889 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e410c8e76be - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5e410c725a54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5e410c725a54 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e410c8e835e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5e410c8e835e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5e410c8e802a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5e410c8e6759 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5e410c8e7cbd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5e410c90aa50 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5e410c90adfc - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5e410c6e210b - core::panicking::assert_failed::h313d691858d54d2f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5e410c6c7774 - rust_playground::buffer::buffer_pool_instance::test::should_work_concurrently::{{closure}}::{{closure}}::{{closure}}::h31385a232fc82cd0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:361:50
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   22:     0x5e410c6ddbdb - rust_playground::buffer::page::Page::access_page_data::ha47edca4767b5e09
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/page.rs:25:9
[INFO] [stdout]   23:     0x5e410c6c7619 - rust_playground::buffer::buffer_pool_instance::test::should_work_concurrently::{{closure}}::{{closure}}::ha73e53e24e69f6d5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:361:26
[INFO] [stdout]   24:     0x5e410c6b9aee - std::sys::backtrace::__rust_begin_short_backtrace::h1099ddc7a509dc0b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   25:     0x5e410c6b36a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hd3cc97af50aabea0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   26:     0x5e410c6c9620 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5e4918730fd9c14b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5e410c6e63eb - std::panicking::catch_unwind::do_call::h1352796f5e45bf3f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5e410c6b3c2b - __rust_try
[INFO] [stdout]   29:     0x5e410c6b0538 - std::panicking::catch_unwind::h1e53b0dd0ffb549f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5e410c6b0538 - std::panic::catch_unwind::h5a57125e06958407
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5e410c6b0538 - std::thread::Builder::spawn_unchecked_::{{closure}}::h2da5ba43ac3a61c3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   32:     0x5e410c6cad3e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hedd5f2072b10665b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   33:     0x5e410c8eb2df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   34:     0x5e410c8eb2df - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   35:     0x711a397c2aa4 - <unknown>
[INFO] [stdout]   36:     0x711a3984fa34 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'buffer::buffer_pool_instance::test::should_work_concurrently' 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:     0x5e410c8e6252 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e410c8e6252 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e410c8e6252 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e410c8e6252 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e410c90c053 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e410c90c053 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5e410c8e3083 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e410c8e3083 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e410c8e60a2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e410c8e7889 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e410c8e76be - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5e410c725a54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5e410c725a54 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e410c8e835e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5e410c8e835e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5e410c8e802a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5e410c8e6759 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5e410c8e7cbd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5e410c90aa50 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5e410c90af06 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5e410c6c68e9 - core::result::Result<T,E>::unwrap::he273ada738a3a474
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5e410c6c68e9 - rust_playground::buffer::buffer_pool_instance::test::should_work_concurrently::{{closure}}::h88a10ecd72c0932e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:365:32
[INFO] [stdout]   22:     0x5e410c6ce4f3 - rust_playground::types::check_random::h0f3d31d6cd3779ec
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types.rs:32:5
[INFO] [stdout]   23:     0x5e410c6c637b - rust_playground::buffer::buffer_pool_instance::test::should_work_concurrently::h094439e5a13db7c8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:321:9
[INFO] [stdout]   24:     0x5e410c6c6357 - rust_playground::buffer::buffer_pool_instance::test::should_work_concurrently::{{closure}}::h34903cf6f862e3a7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/buffer/buffer_pool_instance.rs:320:34
[INFO] [stdout]   25:     0x5e410c6cb0d6 - core::ops::function::FnOnce::call_once::h74eb7d258f9bf65f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x5e410c72b2bb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   27:     0x5e410c72b2bb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   28:     0x5e410c72a3f5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   29:     0x5e410c72a3f5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5e410c72a3f5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   31:     0x5e410c72a3f5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   32:     0x5e410c72a3f5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5e410c72a3f5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   34:     0x5e410c72a3f5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   35:     0x5e410c6edff4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   36:     0x5e410c6edff4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   37:     0x5e410c6f19ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   38:     0x5e410c6f19ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5e410c6f19ca - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   40:     0x5e410c6f19ca - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   41:     0x5e410c6f19ca - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x5e410c6f19ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   43:     0x5e410c6f19ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   44:     0x5e410c8eb2df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x5e410c8eb2df - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   46:     0x711a397c2aa4 - <unknown>
[INFO] [stdout]   47:     0x711a3984fa34 - 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 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e727a96ad7ac17732d9677e095e029bacab306f5e2919c78409bcd428286008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e727a96ad7ac17732d9677e095e029bacab306f5e2919c78409bcd428286008", kill_on_drop: false }`
[INFO] [stdout] 4e727a96ad7ac17732d9677e095e029bacab306f5e2919c78409bcd428286008
