[INFO] cloning repository https://github.com/tz70s/blake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tz70s/blake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftz70s%2Fblake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftz70s%2Fblake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ea0067bd6fe089b2597658b58fc421c4b62fe93
[INFO] checking tz70s/blake against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftz70s%2Fblake" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tz70s/blake
[INFO] finished tweaking git repo https://github.com/tz70s/blake
[INFO] tweaked toml for git repo https://github.com/tz70s/blake written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tz70s/blake on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tz70s/blake 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dashmap v5.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfcf7bdcb945891e1d22a6fe3de248b824119a40c0fdea4bf4bbb3903016f438
[INFO] running `Command { std: "docker" "start" "-a" "bfcf7bdcb945891e1d22a6fe3de248b824119a40c0fdea4bf4bbb3903016f438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfcf7bdcb945891e1d22a6fe3de248b824119a40c0fdea4bf4bbb3903016f438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcf7bdcb945891e1d22a6fe3de248b824119a40c0fdea4bf4bbb3903016f438", kill_on_drop: false }`
[INFO] [stdout] bfcf7bdcb945891e1d22a6fe3de248b824119a40c0fdea4bf4bbb3903016f438
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e01bce5890ad6213cec1d14834c4c244e111af996de27255a3b43c0c5a0986df
[INFO] running `Command { std: "docker" "start" "-a" "e01bce5890ad6213cec1d14834c4c244e111af996de27255a3b43c0c5a0986df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking blake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ident::Oid`
[INFO] [stdout]   --> src/heap/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use ident::Oid;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ident::Oid`
[INFO] [stdout]   --> src/heap/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use ident::Oid;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/lake.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub async fn scan(&self, exprs: Vec<Expr>) -> anyhow::Result<RecordBatch> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_batches`
[INFO] [stdout]   --> src/lake.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub async fn insert(&self, record_batches: RecordBatch) -> anyhow::Result<()> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_batches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/lake.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub async fn scan(&self, exprs: Vec<Expr>) -> anyhow::Result<RecordBatch> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_batches`
[INFO] [stdout]   --> src/lake.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub async fn insert(&self, record_batches: RecordBatch) -> anyhow::Result<()> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_batches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_POOL_SIZE` is never used
[INFO] [stdout]   --> src/heap/mod.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const BUFFER_POOL_SIZE: usize = 1024;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeapTable` is never constructed
[INFO] [stdout]   --> src/heap/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct HeapTable {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeapTableRef` is never constructed
[INFO] [stdout]   --> src/heap/mod.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct HeapTableRef(Arc<HeapTable>);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/heap/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl HeapTableRef {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 36 |     /// Create a new buffer pool owned reference.
[INFO] [stdout] 37 |     pub fn new(heap_table: HeapTable) -> HeapTableRef {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/heap/mod.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl HeapTable {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 51 |     /// Creates a new buffer pool.
[INFO] [stdout] 52 |     pub async fn new<P: AsRef<Path>>(data_file: P, page_dir_file: P) -> anyhow::Result<HeapTable> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/heap/page.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const PAGE_SIZE: usize = 8 * 1024;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageGuard` is never constructed
[INFO] [stdout]   --> src/heap/page.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct PageGuard {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]   --> src/heap/page.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Page {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_from` and `remaining` are never used
[INFO] [stdout]   --> src/heap/page.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Page {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 33 |     /// Create a Page from raw bytes.
[INFO] [stdout] 34 |     pub fn try_from(data: BytesMut) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn remaining(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageHeader` is never constructed
[INFO] [stdout]   --> src/heap/page.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct PageHeader {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/heap/page.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | const PAGE_HEADER_SIZE: usize = 4 + 4 + 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/heap/page.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl PageHeader {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 72 |     fn try_from(data: &mut impl Buf) -> anyhow::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Slot` is never constructed
[INFO] [stdout]   --> src/heap/page.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Slot {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/heap/page.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl Slot {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 96 |     fn try_from(data: &mut impl Buf) -> anyhow::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_LOCATION_SIZE` is never used
[INFO] [stdout]  --> src/heap/page_dir.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const PAGE_LOCATION_SIZE: usize = 4 + 8;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageLocation` is never constructed
[INFO] [stdout]   --> src/heap/page_dir.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct PageLocation(pub usize);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageDir` is never constructed
[INFO] [stdout]   --> src/heap/page_dir.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct PageDir {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inner_from_disk`, and `insert` are never used
[INFO] [stdout]   --> src/heap/page_dir.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl PageDir {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 21 |     pub async fn new(file: impl AsRef<Path>) -> anyhow::Result<PageDir> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     async fn inner_from_disk(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub async fn insert(&self, page_id: PageId, page_location: PageLocation) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tuple` is never constructed
[INFO] [stdout]  --> src/heap/tuple.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Tuple<'a> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/heap/tuple.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Tuple<'_> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 11 |     /// try_from reads the tuple.
[INFO] [stdout] 12 |     pub fn try_from(data: &[u8]) -> anyhow::Result<Tuple> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupleHeader` is never constructed
[INFO] [stdout]   --> src/heap/tuple.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct TupleHeader {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TUPLE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/heap/tuple.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const TUPLE_HEADER_SIZE: usize = 8 + 8 + 4 + 4 + 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/heap/tuple.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl TupleHeader {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 39 |     fn try_from(data: &mut impl Buf) -> anyhow::Result<TupleHeader> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `schema` is never read
[INFO] [stdout]  --> src/lake.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct DB {
[INFO] [stdout]   |            -- field in this struct
[INFO] [stdout] 8 |     schema: Schema,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tx` is never constructed
[INFO] [stdout]   --> src/lake.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Tx {}
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `scan`, `insert`, `commit`, and `rollback` are never used
[INFO] [stdout]   --> src/lake.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Tx {
[INFO] [stdout]    | ------- methods in this implementation
[INFO] [stdout] 30 |     /// scan scans all data out with a set of filtering.
[INFO] [stdout] 31 |     pub async fn scan(&self, exprs: Vec<Expr>) -> anyhow::Result<RecordBatch> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub async fn insert(&self, record_batches: RecordBatch) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub async fn commit(&self) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub async fn rollback(&self) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keys` and `values` are never read
[INFO] [stdout]   --> src/lake.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct RecordBatch {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 56 |     keys: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 57 |     values: Vec<Vec<Vec<u8>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecordBatch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/heap/tuple.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn try_from(data: &[u8]) -> anyhow::Result<Tuple> {
[INFO] [stdout]    |                           ^^^^^                    ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn try_from(data: &[u8]) -> anyhow::Result<Tuple<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/lake.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub async fn scan(&self, exprs: Vec<Expr>) -> anyhow::Result<RecordBatch> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_batches`
[INFO] [stdout]   --> src/lake.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub async fn insert(&self, record_batches: RecordBatch) -> anyhow::Result<()> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_batches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exprs`
[INFO] [stdout]   --> src/lake.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub async fn scan(&self, exprs: Vec<Expr>) -> anyhow::Result<RecordBatch> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_batches`
[INFO] [stdout]   --> src/lake.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub async fn insert(&self, record_batches: RecordBatch) -> anyhow::Result<()> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_batches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_POOL_SIZE` is never used
[INFO] [stdout]   --> src/heap/mod.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const BUFFER_POOL_SIZE: usize = 1024;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeapTable` is never constructed
[INFO] [stdout]   --> src/heap/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct HeapTable {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeapTableRef` is never constructed
[INFO] [stdout]   --> src/heap/mod.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct HeapTableRef(Arc<HeapTable>);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/heap/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl HeapTableRef {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 36 |     /// Create a new buffer pool owned reference.
[INFO] [stdout] 37 |     pub fn new(heap_table: HeapTable) -> HeapTableRef {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/heap/mod.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl HeapTable {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 51 |     /// Creates a new buffer pool.
[INFO] [stdout] 52 |     pub async fn new<P: AsRef<Path>>(data_file: P, page_dir_file: P) -> anyhow::Result<HeapTable> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/heap/page.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const PAGE_SIZE: usize = 8 * 1024;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageGuard` is never constructed
[INFO] [stdout]   --> src/heap/page.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct PageGuard {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Page` is never constructed
[INFO] [stdout]   --> src/heap/page.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Page {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_from` and `remaining` are never used
[INFO] [stdout]   --> src/heap/page.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Page {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 33 |     /// Create a Page from raw bytes.
[INFO] [stdout] 34 |     pub fn try_from(data: BytesMut) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn remaining(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageHeader` is never constructed
[INFO] [stdout]   --> src/heap/page.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct PageHeader {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/heap/page.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | const PAGE_HEADER_SIZE: usize = 4 + 4 + 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/heap/page.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl PageHeader {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 72 |     fn try_from(data: &mut impl Buf) -> anyhow::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Slot` is never constructed
[INFO] [stdout]   --> src/heap/page.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Slot {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/heap/page.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl Slot {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 96 |     fn try_from(data: &mut impl Buf) -> anyhow::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_LOCATION_SIZE` is never used
[INFO] [stdout]  --> src/heap/page_dir.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const PAGE_LOCATION_SIZE: usize = 4 + 8;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageLocation` is never constructed
[INFO] [stdout]   --> src/heap/page_dir.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct PageLocation(pub usize);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageDir` is never constructed
[INFO] [stdout]   --> src/heap/page_dir.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct PageDir {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inner_from_disk`, and `insert` are never used
[INFO] [stdout]   --> src/heap/page_dir.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl PageDir {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 21 |     pub async fn new(file: impl AsRef<Path>) -> anyhow::Result<PageDir> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     async fn inner_from_disk(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub async fn insert(&self, page_id: PageId, page_location: PageLocation) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tuple` is never constructed
[INFO] [stdout]  --> src/heap/tuple.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Tuple<'a> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/heap/tuple.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Tuple<'_> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 11 |     /// try_from reads the tuple.
[INFO] [stdout] 12 |     pub fn try_from(data: &[u8]) -> anyhow::Result<Tuple> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupleHeader` is never constructed
[INFO] [stdout]   --> src/heap/tuple.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct TupleHeader {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TUPLE_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/heap/tuple.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const TUPLE_HEADER_SIZE: usize = 8 + 8 + 4 + 4 + 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/heap/tuple.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl TupleHeader {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 39 |     fn try_from(data: &mut impl Buf) -> anyhow::Result<TupleHeader> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `schema` is never read
[INFO] [stdout]  --> src/lake.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct DB {
[INFO] [stdout]   |            -- field in this struct
[INFO] [stdout] 8 |     schema: Schema,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tx` is never constructed
[INFO] [stdout]   --> src/lake.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Tx {}
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `scan`, `insert`, `commit`, and `rollback` are never used
[INFO] [stdout]   --> src/lake.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Tx {
[INFO] [stdout]    | ------- methods in this implementation
[INFO] [stdout] 30 |     /// scan scans all data out with a set of filtering.
[INFO] [stdout] 31 |     pub async fn scan(&self, exprs: Vec<Expr>) -> anyhow::Result<RecordBatch> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub async fn insert(&self, record_batches: RecordBatch) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub async fn commit(&self) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub async fn rollback(&self) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keys` and `values` are never read
[INFO] [stdout]   --> src/lake.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct RecordBatch {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 56 |     keys: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 57 |     values: Vec<Vec<Vec<u8>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecordBatch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/heap/tuple.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn try_from(data: &[u8]) -> anyhow::Result<Tuple> {
[INFO] [stdout]    |                           ^^^^^                    ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn try_from(data: &[u8]) -> anyhow::Result<Tuple<'_>> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.22s
[INFO] running `Command { std: "docker" "inspect" "e01bce5890ad6213cec1d14834c4c244e111af996de27255a3b43c0c5a0986df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01bce5890ad6213cec1d14834c4c244e111af996de27255a3b43c0c5a0986df", kill_on_drop: false }`
[INFO] [stdout] e01bce5890ad6213cec1d14834c4c244e111af996de27255a3b43c0c5a0986df
