[INFO] cloning repository https://github.com/kzbt/kzdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kzbt/kzdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzbt%2Fkzdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzbt%2Fkzdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db621549346591ad9974938dc517ec913d4350ec
[INFO] testing kzbt/kzdb against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzbt%2Fkzdb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kzbt/kzdb on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kzbt/kzdb
[INFO] finished tweaking git repo https://github.com/kzbt/kzdb
[INFO] tweaked toml for git repo https://github.com/kzbt/kzdb written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kzbt/kzdb 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a25f8f1647f53f22d31ace94d10c0d85f04a3c2b9c7a5f44c48cbecf772bc149
[INFO] running `Command { std: "docker" "start" "-a" "a25f8f1647f53f22d31ace94d10c0d85f04a3c2b9c7a5f44c48cbecf772bc149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25f8f1647f53f22d31ace94d10c0d85f04a3c2b9c7a5f44c48cbecf772bc149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25f8f1647f53f22d31ace94d10c0d85f04a3c2b9c7a5f44c48cbecf772bc149", kill_on_drop: false }`
[INFO] [stdout] a25f8f1647f53f22d31ace94d10c0d85f04a3c2b9c7a5f44c48cbecf772bc149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed3c14f062f2d379e6c810c54db404ab7b4fa89fe7ac5c9316a0942dad57314
[INFO] running `Command { std: "docker" "start" "-a" "0ed3c14f062f2d379e6c810c54db404ab7b4fa89fe7ac5c9316a0942dad57314", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling kzdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/btree/btree.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/btree/btree.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]    --> src/btree/node.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stdout]     |                           ^^^^ help: try ignoring the field: `keys: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]    --> src/btree/node.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stdout]     |                                 ^^^^^ help: try ignoring the field: `nodes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dm`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let dm = DiskManager::new(db_path);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_dm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Searchable` is never used
[INFO] [stdout]  --> src/btree/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Searchable<T> {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TREE_ORDER` is never used
[INFO] [stdout]  --> src/btree/btree.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const TREE_ORDER: usize = 16;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Btree` is never constructed
[INFO] [stdout]  --> src/btree/btree.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Btree<K, V> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Btree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_capacity`, `is_empty`, `insert`, and `split` are never used
[INFO] [stdout]   --> src/btree/btree.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<K, V> Btree<K, V>
[INFO] [stdout] 12 | | where
[INFO] [stdout] 13 | |     K: Copy + PartialEq + PartialOrd + std::fmt::Debug,
[INFO] [stdout] 14 | |     V: Clone + std::fmt::Debug,
[INFO] [stdout]    | |_______________________________- associated items in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |       pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn is_empty(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |       fn insert(&mut self, key: K, value: V) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NODE_CAPACITY` is never used
[INFO] [stdout]  --> src/btree/node.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const NODE_CAPACITY: usize = TREE_ORDER - 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kv` is never constructed
[INFO] [stdout]  --> src/btree/node.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Kv<K, V> {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/btree/node.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<K, V> Kv<K, V> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]   --> src/btree/node.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Node<K, V> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SplitNodes` is never used
[INFO] [stdout]   --> src/btree/node.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | type SplitNodes<K, V> = (K, Node<K, V>, Node<K, V>);
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `inner`, `leaf`, `leaf_with_cap`, `insert`, `insert_empty_inner`, and `split` are never used
[INFO] [stdout]   --> src/btree/node.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | / impl<K, V> Node<K, V>
[INFO] [stdout] 31 | | where
[INFO] [stdout] 32 | |     K: Copy + PartialOrd + PartialEq + std::fmt::Debug,
[INFO] [stdout] 33 | |     V: Clone,
[INFO] [stdout]    | |_____________- associated items in this implementation
[INFO] [stdout] 34 |   {
[INFO] [stdout] 35 |       pub fn inner() -> Self {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |       pub fn leaf() -> Self {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub fn leaf_with_cap(capacity: usize) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub fn insert(&mut self, key: K, value: V) -> Result<(), SplitNodes<K, V>> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |       pub fn insert_empty_inner(&mut self, key: K, mut ns: Vec<Node<K, V>>) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |       fn split(&mut self, idx: usize, key: K, value: V) -> SplitNodes<K, V> {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/storage/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const PAGE_SIZE: u32 = 8192;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Storage` is never used
[INFO] [stdout]   --> src/storage/mod.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait Storage {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_POOL_SIZE` is never used
[INFO] [stdout]  --> src/storage/bufferpool.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const BUFFER_POOL_SIZE: usize = 2000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPool` is never constructed
[INFO] [stdout]  --> src/storage/bufferpool.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BufferPool {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/bufferpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BufferPool {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/storage/disk.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DiskManager {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 15 |     file: File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_page` and `write_page` are never used
[INFO] [stdout]   --> src/storage/disk.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl DiskManager {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn read_page(&mut self, pgid: PageId, buf: &mut [u8]) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn write_page(&mut self, pgid: PageId, buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ZERO_U32` is never used
[INFO] [stdout]  --> src/storage/page.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ZERO_U32: [u8; 4] = 0u32.to_be_bytes();
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HEADER_SIZE` is never used
[INFO] [stdout]  --> src/storage/page.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const HEADER_SIZE: usize = size_of::<PageHeader>();
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageHeader` is never constructed
[INFO] [stdout]  --> src/storage/page.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PageHeader {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_to` is never used
[INFO] [stdout]   --> src/storage/page.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl PageHeader {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 17 |     fn write_to(&self, buffer: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tuple` is never constructed
[INFO] [stdout]   --> src/storage/page.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]   --> src/storage/page.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Page {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert_tuple`, and `update_header` are never used
[INFO] [stdout]   --> src/storage/page.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Page {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 50 |     fn new(pgid: PageId, prev_page: Option<PageId>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn insert_tuple(&mut self, tuple: &Tuple) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn update_header(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "0ed3c14f062f2d379e6c810c54db404ab7b4fa89fe7ac5c9316a0942dad57314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed3c14f062f2d379e6c810c54db404ab7b4fa89fe7ac5c9316a0942dad57314", kill_on_drop: false }`
[INFO] [stdout] 0ed3c14f062f2d379e6c810c54db404ab7b4fa89fe7ac5c9316a0942dad57314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa341427dc7523fe43f63d59e3f5344151d6105ffddb576c54191f1c6318a7a8
[INFO] running `Command { std: "docker" "start" "-a" "fa341427dc7523fe43f63d59e3f5344151d6105ffddb576c54191f1c6318a7a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling assert_fs v1.0.7
[INFO] [stderr]    Compiling kzdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/btree/btree.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/btree/btree.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]    --> src/btree/node.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stdout]     |                           ^^^^ help: try ignoring the field: `keys: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]    --> src/btree/node.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stdout]     |                                 ^^^^^ help: try ignoring the field: `nodes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dm`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let dm = DiskManager::new(db_path);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_dm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_empty`, and `split` are never used
[INFO] [stdout]   --> src/btree/btree.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<K, V> Btree<K, V>
[INFO] [stdout] 12 | | where
[INFO] [stdout] 13 | |     K: Copy + PartialEq + PartialOrd + std::fmt::Debug,
[INFO] [stdout] 14 | |     V: Clone + std::fmt::Debug,
[INFO] [stdout]    | |_______________________________- associated items in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn is_empty(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kv` is never constructed
[INFO] [stdout]  --> src/btree/node.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Kv<K, V> {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/btree/node.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<K, V> Kv<K, V> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Storage` is never used
[INFO] [stdout]   --> src/storage/mod.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait Storage {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_POOL_SIZE` is never used
[INFO] [stdout]  --> src/storage/bufferpool.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const BUFFER_POOL_SIZE: usize = 2000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPool` is never constructed
[INFO] [stdout]  --> src/storage/bufferpool.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BufferPool {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/bufferpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BufferPool {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rid` is never read
[INFO] [stdout]   --> src/storage/page.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Tuple {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 38 |     rid: RecordId,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `slots` and `dirty` are never read
[INFO] [stdout]   --> src/storage/page.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Page {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 43 |     pub header: PageHeader,
[INFO] [stdout] 44 |     pub slots: Vec<u32>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 45 |     pub data: Vec<u8>,
[INFO] [stdout] 46 |     pub dirty: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "fa341427dc7523fe43f63d59e3f5344151d6105ffddb576c54191f1c6318a7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa341427dc7523fe43f63d59e3f5344151d6105ffddb576c54191f1c6318a7a8", kill_on_drop: false }`
[INFO] [stdout] fa341427dc7523fe43f63d59e3f5344151d6105ffddb576c54191f1c6318a7a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 119395ad039309c4951dd40771895d08cb7e80fd1a20517207ebd9121e2a2682
[INFO] running `Command { std: "docker" "start" "-a" "119395ad039309c4951dd40771895d08cb7e80fd1a20517207ebd9121e2a2682", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `keys`
[INFO] [stderr]   --> src/btree/btree.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]   --> src/btree/btree.rs:49:40
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stderr]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keys`
[INFO] [stderr]    --> src/btree/node.rs:120:27
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stderr]     |                           ^^^^ help: try ignoring the field: `keys: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nodes`
[INFO] [stderr]    --> src/btree/node.rs:120:33
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stderr]     |                                 ^^^^^ help: try ignoring the field: `nodes: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dm`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let dm = DiskManager::new(db_path);
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_dm`
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `is_empty`, and `split` are never used
[INFO] [stderr]   --> src/btree/btree.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | / impl<K, V> Btree<K, V>
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     K: Copy + PartialEq + PartialOrd + std::fmt::Debug,
[INFO] [stderr] 14 | |     V: Clone + std::fmt::Debug,
[INFO] [stderr]    | |_______________________________- associated items in this implementation
[INFO] [stderr] 15 |   {
[INFO] [stderr] 16 |       pub fn new() -> Self {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |       fn is_empty(&self) -> bool {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |       fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Kv` is never constructed
[INFO] [stderr]  --> src/btree/node.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Kv<K, V> {
[INFO] [stderr]   |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/btree/node.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<K, V> Kv<K, V> {
[INFO] [stderr]    | ------------------- associated function in this implementation
[INFO] [stderr] 11 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Storage` is never used
[INFO] [stderr]   --> src/storage/mod.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub trait Storage {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BUFFER_POOL_SIZE` is never used
[INFO] [stderr]  --> src/storage/bufferpool.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const BUFFER_POOL_SIZE: usize = 2000;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BufferPool` is never constructed
[INFO] [stderr]  --> src/storage/bufferpool.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct BufferPool {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/storage/bufferpool.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl BufferPool {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `rid` is never read
[INFO] [stderr]   --> src/storage/page.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct Tuple {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 38 |     rid: RecordId,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `slots` and `dirty` are never read
[INFO] [stderr]   --> src/storage/page.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct Page {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 43 |     pub header: PageHeader,
[INFO] [stderr] 44 |     pub slots: Vec<u32>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 45 |     pub data: Vec<u8>,
[INFO] [stderr] 46 |     pub dirty: bool,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kzdb` (bin "kzdb" test) generated 14 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kzdb-ea41f1aef475238a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test btree::btree::tests::btree_splits_root_leaf_node ... ok
[INFO] [stdout] test btree::node::tests::leaf_inserts_in_order ... ok
[INFO] [stdout] test btree::tests::search ... ok
[INFO] [stdout] test storage::page::tests::update_header ... ok
[INFO] [stdout] test storage::page::tests::insert_tuple ... ok
[INFO] [stdout] test storage::disk::tests::read_and_write_page ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- storage::disk::tests::read_and_write_page stdout ----
[INFO] [stdout] thread 'storage::disk::tests::read_and_write_page' panicked at src/storage/disk.rs:72:45:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Invalid argument (os error 22)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55cba71f4175 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55cba71f4175 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55cba71f4175 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55cba71f4175 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55cba721b57b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55cba721b57b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55cba71f16ff - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55cba71f3f4e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55cba71f3f4e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55cba71f5979 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55cba71f563e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55cba71af55a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55cba71af55a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55cba71f5f7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55cba71f5f7b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55cba71f5cf4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55cba71f4639 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55cba71f5a27 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55cba716b973 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55cba716bea6 - core::result::unwrap_failed::h382691b96ca8c13a
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x55cba7171bec - core::result::Result<T,E>::unwrap::h3b3959e1382be131
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55cba7171bec - kzdb::storage::disk::tests::read_and_write_page::{{closure}}::hfa6f152aaeee31cf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/disk.rs:72:13
[INFO] [stdout]   22:     0x55cba71703c5 - kzdb::storage::disk::tests::with_disk_manager::ha6a3b22f6d749b86
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/disk.rs:63:9
[INFO] [stdout]   23:     0x55cba7171a56 - kzdb::storage::disk::tests::read_and_write_page::h4d1e6c0006e6e0c2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/disk.rs:69:9
[INFO] [stdout]   24:     0x55cba7171a37 - kzdb::storage::disk::tests::read_and_write_page::{{closure}}::h10c69864981e58cd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/disk.rs:68:29
[INFO] [stdout]   25:     0x55cba71795b6 - core::ops::function::FnOnce::call_once::h45037ea6cf606b1c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55cba71b3f3b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x55cba71b3f3b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   28:     0x55cba71b3641 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   29:     0x55cba71b3641 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x55cba71b3641 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   31:     0x55cba71b3641 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   32:     0x55cba71b3641 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   33:     0x55cba71b3641 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   34:     0x55cba71b3641 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   35:     0x55cba717c004 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   36:     0x55cba717c004 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x55cba7180a32 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   38:     0x55cba7180a32 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x55cba7180a32 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   40:     0x55cba7180a32 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   41:     0x55cba7180a32 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   42:     0x55cba7180a32 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   43:     0x55cba7180a32 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x55cba71fac3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   45:     0x55cba71fac3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   46:     0x55cba71fac3b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f377cf6fac3 - <unknown>
[INFO] [stdout]   48:     0x7f377d000a04 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     storage::disk::tests::read_and_write_page
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin kzdb`
[INFO] running `Command { std: "docker" "inspect" "119395ad039309c4951dd40771895d08cb7e80fd1a20517207ebd9121e2a2682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119395ad039309c4951dd40771895d08cb7e80fd1a20517207ebd9121e2a2682", kill_on_drop: false }`
[INFO] [stdout] 119395ad039309c4951dd40771895d08cb7e80fd1a20517207ebd9121e2a2682
[INFO] testing kzbt/kzdb against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzbt%2Fkzdb" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kzbt/kzdb on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kzbt/kzdb
[INFO] finished tweaking git repo https://github.com/kzbt/kzdb
[INFO] tweaked toml for git repo https://github.com/kzbt/kzdb written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kzbt/kzdb 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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a07dd1feef10e9a3b809eb6d6befb94989d1d5fb304233df2d297df5efbc708d
[INFO] running `Command { std: "docker" "start" "-a" "a07dd1feef10e9a3b809eb6d6befb94989d1d5fb304233df2d297df5efbc708d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07dd1feef10e9a3b809eb6d6befb94989d1d5fb304233df2d297df5efbc708d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07dd1feef10e9a3b809eb6d6befb94989d1d5fb304233df2d297df5efbc708d", kill_on_drop: false }`
[INFO] [stdout] a07dd1feef10e9a3b809eb6d6befb94989d1d5fb304233df2d297df5efbc708d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea4161473a0c8872f7eb62ed841ec86122d98eda84694e5963c8b52fe0bbd87a
[INFO] running `Command { std: "docker" "start" "-a" "ea4161473a0c8872f7eb62ed841ec86122d98eda84694e5963c8b52fe0bbd87a", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling kzdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/btree/btree.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/btree/btree.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]    --> src/btree/node.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stdout]     |                           ^^^^ help: try ignoring the field: `keys: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]    --> src/btree/node.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stdout]     |                                 ^^^^^ help: try ignoring the field: `nodes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dm`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let dm = DiskManager::new(db_path);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_dm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Searchable` is never used
[INFO] [stdout]  --> src/btree/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Searchable<T> {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TREE_ORDER` is never used
[INFO] [stdout]  --> src/btree/btree.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const TREE_ORDER: usize = 16;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Btree` is never constructed
[INFO] [stdout]  --> src/btree/btree.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Btree<K, V> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Btree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_capacity`, `is_empty`, `insert`, and `split` are never used
[INFO] [stdout]   --> src/btree/btree.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<K, V> Btree<K, V>
[INFO] [stdout] 12 | | where
[INFO] [stdout] 13 | |     K: Copy + PartialEq + PartialOrd + std::fmt::Debug,
[INFO] [stdout] 14 | |     V: Clone + std::fmt::Debug,
[INFO] [stdout]    | |_______________________________- associated items in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |       pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn is_empty(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |       fn insert(&mut self, key: K, value: V) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NODE_CAPACITY` is never used
[INFO] [stdout]  --> src/btree/node.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const NODE_CAPACITY: usize = TREE_ORDER - 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kv` is never constructed
[INFO] [stdout]  --> src/btree/node.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Kv<K, V> {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/btree/node.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<K, V> Kv<K, V> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]   --> src/btree/node.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Node<K, V> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SplitNodes` is never used
[INFO] [stdout]   --> src/btree/node.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | type SplitNodes<K, V> = (K, Node<K, V>, Node<K, V>);
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `inner`, `leaf`, `leaf_with_cap`, `insert`, `insert_empty_inner`, and `split` are never used
[INFO] [stdout]   --> src/btree/node.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | / impl<K, V> Node<K, V>
[INFO] [stdout] 31 | | where
[INFO] [stdout] 32 | |     K: Copy + PartialOrd + PartialEq + std::fmt::Debug,
[INFO] [stdout] 33 | |     V: Clone,
[INFO] [stdout]    | |_____________- associated items in this implementation
[INFO] [stdout] 34 |   {
[INFO] [stdout] 35 |       pub fn inner() -> Self {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |       pub fn leaf() -> Self {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub fn leaf_with_cap(capacity: usize) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub fn insert(&mut self, key: K, value: V) -> Result<(), SplitNodes<K, V>> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |       pub fn insert_empty_inner(&mut self, key: K, mut ns: Vec<Node<K, V>>) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |       fn split(&mut self, idx: usize, key: K, value: V) -> SplitNodes<K, V> {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/storage/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const PAGE_SIZE: u32 = 8192;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Storage` is never used
[INFO] [stdout]   --> src/storage/mod.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait Storage {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_POOL_SIZE` is never used
[INFO] [stdout]  --> src/storage/bufferpool.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const BUFFER_POOL_SIZE: usize = 2000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPool` is never constructed
[INFO] [stdout]  --> src/storage/bufferpool.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BufferPool {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/bufferpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BufferPool {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/storage/disk.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DiskManager {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 15 |     file: File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_page` and `write_page` are never used
[INFO] [stdout]   --> src/storage/disk.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl DiskManager {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn read_page(&mut self, pgid: PageId, buf: &mut [u8]) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn write_page(&mut self, pgid: PageId, buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ZERO_U32` is never used
[INFO] [stdout]  --> src/storage/page.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ZERO_U32: [u8; 4] = 0u32.to_be_bytes();
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HEADER_SIZE` is never used
[INFO] [stdout]  --> src/storage/page.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const HEADER_SIZE: usize = size_of::<PageHeader>();
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageHeader` is never constructed
[INFO] [stdout]  --> src/storage/page.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PageHeader {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_to` is never used
[INFO] [stdout]   --> src/storage/page.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl PageHeader {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 17 |     fn write_to(&self, buffer: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tuple` is never constructed
[INFO] [stdout]   --> src/storage/page.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]   --> src/storage/page.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Page {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert_tuple`, and `update_header` are never used
[INFO] [stdout]   --> src/storage/page.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Page {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 50 |     fn new(pgid: PageId, prev_page: Option<PageId>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn insert_tuple(&mut self, tuple: &Tuple) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn update_header(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "ea4161473a0c8872f7eb62ed841ec86122d98eda84694e5963c8b52fe0bbd87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4161473a0c8872f7eb62ed841ec86122d98eda84694e5963c8b52fe0bbd87a", kill_on_drop: false }`
[INFO] [stdout] ea4161473a0c8872f7eb62ed841ec86122d98eda84694e5963c8b52fe0bbd87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd46e333ae8b69e0799150712f8269eb415858e1fd395af22491ad157ce7655f
[INFO] running `Command { std: "docker" "start" "-a" "dd46e333ae8b69e0799150712f8269eb415858e1fd395af22491ad157ce7655f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling assert_fs v1.0.7
[INFO] [stderr]    Compiling kzdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/btree/btree.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/btree/btree.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]    --> src/btree/node.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stdout]     |                           ^^^^ help: try ignoring the field: `keys: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nodes`
[INFO] [stdout]    --> src/btree/node.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stdout]     |                                 ^^^^^ help: try ignoring the field: `nodes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dm`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let dm = DiskManager::new(db_path);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_dm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_empty`, and `split` are never used
[INFO] [stdout]   --> src/btree/btree.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<K, V> Btree<K, V>
[INFO] [stdout] 12 | | where
[INFO] [stdout] 13 | |     K: Copy + PartialEq + PartialOrd + std::fmt::Debug,
[INFO] [stdout] 14 | |     V: Clone + std::fmt::Debug,
[INFO] [stdout]    | |_______________________________- associated items in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |       fn is_empty(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kv` is never constructed
[INFO] [stdout]  --> src/btree/node.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Kv<K, V> {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/btree/node.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<K, V> Kv<K, V> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Storage` is never used
[INFO] [stdout]   --> src/storage/mod.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait Storage {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_POOL_SIZE` is never used
[INFO] [stdout]  --> src/storage/bufferpool.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const BUFFER_POOL_SIZE: usize = 2000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferPool` is never constructed
[INFO] [stdout]  --> src/storage/bufferpool.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BufferPool {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/bufferpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BufferPool {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rid` is never read
[INFO] [stdout]   --> src/storage/page.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Tuple {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 38 |     rid: RecordId,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `slots` and `dirty` are never read
[INFO] [stdout]   --> src/storage/page.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Page {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 43 |     pub header: PageHeader,
[INFO] [stdout] 44 |     pub slots: Vec<u32>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 45 |     pub data: Vec<u8>,
[INFO] [stdout] 46 |     pub dirty: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "dd46e333ae8b69e0799150712f8269eb415858e1fd395af22491ad157ce7655f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd46e333ae8b69e0799150712f8269eb415858e1fd395af22491ad157ce7655f", kill_on_drop: false }`
[INFO] [stdout] dd46e333ae8b69e0799150712f8269eb415858e1fd395af22491ad157ce7655f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cfc9945e9ba2c1629a3c1094ef96055740f7062f1a622a88aa1f5b4b785f860
[INFO] running `Command { std: "docker" "start" "-a" "4cfc9945e9ba2c1629a3c1094ef96055740f7062f1a622a88aa1f5b4b785f860", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `keys`
[INFO] [stderr]   --> src/btree/btree.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]   --> src/btree/btree.rs:49:40
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stderr]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keys`
[INFO] [stderr]    --> src/btree/node.rs:120:27
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stderr]     |                           ^^^^ help: try ignoring the field: `keys: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nodes`
[INFO] [stderr]    --> src/btree/node.rs:120:33
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Node::Inner { keys, nodes } => (key, Node::leaf(), Node::leaf()),
[INFO] [stderr]     |                                 ^^^^^ help: try ignoring the field: `nodes: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dm`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let dm = DiskManager::new(db_path);
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_dm`
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `is_empty`, and `split` are never used
[INFO] [stderr]   --> src/btree/btree.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | / impl<K, V> Btree<K, V>
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     K: Copy + PartialEq + PartialOrd + std::fmt::Debug,
[INFO] [stderr] 14 | |     V: Clone + std::fmt::Debug,
[INFO] [stderr]    | |_______________________________- associated items in this implementation
[INFO] [stderr] 15 |   {
[INFO] [stderr] 16 |       pub fn new() -> Self {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |       fn is_empty(&self) -> bool {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |       fn split(&mut self, keys: &Vec<K>, values: &Vec<V>) {}
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Kv` is never constructed
[INFO] [stderr]  --> src/btree/node.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Kv<K, V> {
[INFO] [stderr]   |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/btree/node.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<K, V> Kv<K, V> {
[INFO] [stderr]    | ------------------- associated function in this implementation
[INFO] [stderr] 11 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Storage` is never used
[INFO] [stderr]   --> src/storage/mod.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub trait Storage {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BUFFER_POOL_SIZE` is never used
[INFO] [stderr]  --> src/storage/bufferpool.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const BUFFER_POOL_SIZE: usize = 2000;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BufferPool` is never constructed
[INFO] [stderr]  --> src/storage/bufferpool.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct BufferPool {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/storage/bufferpool.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl BufferPool {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `rid` is never read
[INFO] [stderr]   --> src/storage/page.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct Tuple {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 38 |     rid: RecordId,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `slots` and `dirty` are never read
[INFO] [stderr]   --> src/storage/page.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct Page {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 43 |     pub header: PageHeader,
[INFO] [stderr] 44 |     pub slots: Vec<u32>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 45 |     pub data: Vec<u8>,
[INFO] [stderr] 46 |     pub dirty: bool,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kzdb` (bin "kzdb" test) generated 14 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kzdb-ea41f1aef475238a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test btree::btree::tests::btree_splits_root_leaf_node ... ok
[INFO] [stdout] test btree::tests::search ... ok
[INFO] [stdout] test btree::node::tests::leaf_inserts_in_order ... ok
[INFO] [stdout] test storage::page::tests::insert_tuple ... ok
[INFO] [stdout] test storage::page::tests::update_header ... ok
[INFO] [stdout] test storage::disk::tests::read_and_write_page ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- storage::disk::tests::read_and_write_page stdout ----
[INFO] [stdout] thread 'storage::disk::tests::read_and_write_page' panicked at src/storage/disk.rs:72:45:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Invalid argument (os error 22)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563db6bf48a5 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x563db6bf48a5 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563db6bf48a5 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x563db6bf48a5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563db6c1bc4b - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x563db6c1bc4b - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x563db6bf1edf - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x563db6bf467e - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563db6bf467e - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563db6bf5fe9 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x563db6bf5d3c - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x563db6bae62f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x563db6bae62f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x563db6bf65eb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x563db6bf65eb - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x563db6bf6364 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x563db6bf4d69 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x563db6bf6097 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x563db6b6a953 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563db6b6ae86 - core::result::unwrap_failed::h52f3bbb78b59f71d
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1654:5
[INFO] [stdout]   20:     0x563db6b77bac - core::result::Result<T,E>::unwrap::h3c1508ca04a57b1e
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x563db6b77bac - kzdb::storage::disk::tests::read_and_write_page::{{closure}}::hce6eb9a9bd372302
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/disk.rs:72:13
[INFO] [stdout]   22:     0x563db6b77785 - kzdb::storage::disk::tests::with_disk_manager::h8df5ebaadccb8064
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/disk.rs:63:9
[INFO] [stdout]   23:     0x563db6b77a16 - kzdb::storage::disk::tests::read_and_write_page::hfce61ff8eb1d2fe6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/disk.rs:69:9
[INFO] [stdout]   24:     0x563db6b779f7 - kzdb::storage::disk::tests::read_and_write_page::{{closure}}::h8c0d4601baa8328e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/disk.rs:68:29
[INFO] [stdout]   25:     0x563db6b6c076 - core::ops::function::FnOnce::call_once::hf5d82fdba1f73372
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x563db6bb2f4b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x563db6bb2f4b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   28:     0x563db6bb2611 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   29:     0x563db6bb2611 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x563db6bb2611 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   31:     0x563db6bb2611 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   32:     0x563db6bb2611 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   33:     0x563db6bb2611 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   34:     0x563db6bb2611 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   35:     0x563db6b7afe4 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   36:     0x563db6b7afe4 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x563db6b7fab2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   38:     0x563db6b7fab2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x563db6b7fab2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   40:     0x563db6b7fab2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   41:     0x563db6b7fab2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   42:     0x563db6b7fab2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   43:     0x563db6b7fab2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x563db6bfb29b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   45:     0x563db6bfb29b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   46:     0x563db6bfb29b - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f96a8813ac3 - <unknown>
[INFO] [stdout]   48:     0x7f96a88a4a04 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     storage::disk::tests::read_and_write_page
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin kzdb`
[INFO] running `Command { std: "docker" "inspect" "4cfc9945e9ba2c1629a3c1094ef96055740f7062f1a622a88aa1f5b4b785f860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfc9945e9ba2c1629a3c1094ef96055740f7062f1a622a88aa1f5b4b785f860", kill_on_drop: false }`
[INFO] [stdout] 4cfc9945e9ba2c1629a3c1094ef96055740f7062f1a622a88aa1f5b4b785f860
