[INFO] cloning repository https://github.com/rasviitanen/DimensionDB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rasviitanen/DimensionDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasviitanen%2FDimensionDB", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasviitanen%2FDimensionDB'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9b00abfbbf13e5556d47d9fa079dd5e6ac90ef9
[INFO] checking rasviitanen/DimensionDB against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasviitanen%2FDimensionDB" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rasviitanen/DimensionDB on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rasviitanen/DimensionDB
[INFO] finished tweaking git repo https://github.com/rasviitanen/DimensionDB
[INFO] tweaked toml for git repo https://github.com/rasviitanen/DimensionDB written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rasviitanen/DimensionDB 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rio v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7bc7e5ba53ca9721c17f38648defd1940ab32f0ab548b2c3f3b56e9f97fae06
[INFO] running `Command { std: "docker" "start" "-a" "b7bc7e5ba53ca9721c17f38648defd1940ab32f0ab548b2c3f3b56e9f97fae06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7bc7e5ba53ca9721c17f38648defd1940ab32f0ab548b2c3f3b56e9f97fae06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bc7e5ba53ca9721c17f38648defd1940ab32f0ab548b2c3f3b56e9f97fae06", kill_on_drop: false }`
[INFO] [stdout] b7bc7e5ba53ca9721c17f38648defd1940ab32f0ab548b2c3f3b56e9f97fae06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a88312bf89b0cdfde06a8f4e36129aa3d2e983f41793de47d037314a4de5032
[INFO] running `Command { std: "docker" "start" "-a" "2a88312bf89b0cdfde06a8f4e36129aa3d2e983f41793de47d037314a4de5032", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking rio v0.9.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking DimensionDB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cmp`
[INFO] [stdout]  --> src/layout.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/mdlist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]    --> src/ebr/internal.rs:627:42
[INFO] [stdout]     |
[INFO] [stdout] 627 |     use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 628 |
[INFO] [stdout] 629 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ordering` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pin` is imported redundantly
[INFO] [stdout]    --> src/ebr/queue.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |     use super::*;
[INFO] [stdout]     |         -------- the item `pin` is already imported here
[INFO] [stdout] 224 |     use crate::ebr::pin;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cmp`
[INFO] [stdout]  --> src/layout.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/layout.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/mdlist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Owned` is imported redundantly
[INFO] [stdout]    --> src/mdlist.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 492 |     use super::*;
[INFO] [stdout]     |         -------- the item `Owned` is already imported here
[INFO] [stdout] 493 |     use crate::ebr::collector::Collector;
[INFO] [stdout] 494 |     use crate::ebr::Owned;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/mdlist.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let v = Shared::from(Self::element_of(entry) as *const _);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guard`
[INFO] [stdout]   --> src/mdlist.rs:59:43
[INFO] [stdout]    |
[INFO] [stdout] 59 |     unsafe fn finalize(entry: &Node<DIM>, guard: &Guard) {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `defer` and `flush` are never used
[INFO] [stdout]   --> src/ebr/mod.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Guard {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 34 |     pub(crate) fn defer<F, R>(&self, f: F)
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `swap` and `fetch_and` are never used
[INFO] [stdout]    --> src/ebr/atomic.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl<T: ?Sized + Pointable> Atomic<T> {
[INFO] [stdout]     | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 323 |     pub(crate) fn swap<'g, P: Pointer<T>>(
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 419 |     pub(crate) fn fetch_and<'g>(&self, val: usize, ord: Ordering, _: &'g Guard) -> Shared<'g, T> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/ebr/internal.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Bag {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub(super) const fn is_empty(&self) -> bool {
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush` is never used
[INFO] [stdout]    --> src/ebr/internal.rs:457:19
[INFO] [stdout]     |
[INFO] [stdout] 404 | impl Local {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 457 |     pub(super) fn flush(&self, guard: &Guard) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Engine` is never constructed
[INFO] [stdout]   --> src/engine.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Engine {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used
[INFO] [stdout]   --> src/engine.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Engine {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(threads: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub async fn get(&self, key: String) -> anyhow::Result<Option<String>> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub async fn set(&self, key: String, value: String) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `set` and `remove` are never used
[INFO] [stdout]    --> src/engine.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Command {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] 122 |     fn set(key: String, value: String) -> Command {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn remove(key: String) -> Command {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `page`, `pos`, and `len` are never read
[INFO] [stdout]    --> src/engine.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct CommandPos {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 134 |     page: PageId,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 135 |     pos: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 136 |     len: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CommandPos` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/io.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<R: Read + Seek> BufReaderWithPos<R> {
[INFO] [stdout]    | ---------------------------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(mut inner: R) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/io.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<W: Write + Seek> BufWriterWithPos<W> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(mut inner: W) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/layout.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const PAGE_SIZE: u64 = 4096 * 1;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHUNK_SIZE` is never used
[INFO] [stdout]   --> src/layout.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const CHUNK_SIZE: u64 = 4096 * 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Aligned` is never constructed
[INFO] [stdout]   --> src/layout.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Aligned([u8; CHUNK_SIZE as usize]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `open` and `open_additional` are never used
[INFO] [stdout]   --> src/layout.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl PageSlottedFile {
[INFO] [stdout]    | -------------------- associated functions in this implementation
[INFO] [stdout] 37 |     pub fn open(path: impl AsRef<Path>, ring: &rio::Rio) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn open_additional(path: impl AsRef<Path>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TxStatus` is never used
[INFO] [stdout]  --> src/lftt.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum TxStatus {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpType` is never used
[INFO] [stdout]   --> src/lftt.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum OpType {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operation` is never constructed
[INFO] [stdout]   --> src/lftt.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Operation<const DIM: usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Desc` is never constructed
[INFO] [stdout]   --> src/lftt.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Desc<const DIM: usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeDesc` is never constructed
[INFO] [stdout]   --> src/lftt.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct NodeDesc<const DIM: usize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dp`, `dc`, and `curr` are never read
[INFO] [stdout]   --> src/mdlist.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct AdoptDesc<const DIM: usize> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 11 |     dp: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     dc: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     curr: Owned<Node<DIM>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AdoptDesc` 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 `Pred` is never constructed
[INFO] [stdout]   --> src/mdlist.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Pred<'g, const DIM: usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pred` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dimension` is never read
[INFO] [stdout]   --> src/mdlist.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Node<const DIM: usize> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     dimension: usize,
[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: associated function `new` is never used
[INFO] [stdout]   --> src/mdlist.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl<const DIM: usize, V> NodeWithValue<DIM, V> {
[INFO] [stdout]    | ----------------------------------------------- associated function in this implementation
[INFO] [stdout] 79 |     #[inline]
[INFO] [stdout] 80 |     pub fn new(coords: [u8; DIM], value: V) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `entry_of` is never used
[INFO] [stdout]    --> src/mdlist.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub trait IsElement<const DIM: usize, T> {
[INFO] [stdout]     |           --------- associated function in this trait
[INFO] [stdout] 120 |     fn entry_of(_: &T) -> &Node<DIM>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/mdlist.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<const DIM: usize> Node<DIM> {
[INFO] [stdout]     | -------------------------------- associated function in this implementation
[INFO] [stdout] 175 |     #[inline]
[INFO] [stdout] 176 |     fn new(coords: [u8; DIM]) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/mdlist.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl<const DIM: usize, T, C: IsElement<DIM, T>> List<DIM, T, C> {
[INFO] [stdout]     | --------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 192 |     const UNMARKED: usize = 0;
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 193 |     const ADP: usize = 1;
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 194 |     const DEL: usize = 2;
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 195 |     const ALL: usize = Self::ADP | Self::DEL;
[INFO] [stdout]     |           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub(crate) unsafe fn finish_inserting<'g>(
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     pub(crate) unsafe fn locate_pred<'g>(
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) unsafe fn get<'g>(&'g self, coords: [u8; DIM], guard: &'g Guard) -> Option<&T> {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 283 |     pub(crate) unsafe fn insert<'g>(&'g self, container: Shared<'g, T>, guard: &'g Guard) {
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     pub fn starts_with<'g>(&'g self, needle: &'g [u8], guard: &'g Guard) -> Iter<'g, DIM, T, C> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `list` is never read
[INFO] [stdout]    --> src/mdlist.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 383 | pub struct MdList<K, T, const DIM: usize = 16> {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 384 |     list: List<DIM, NodeWithValue<DIM, T>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `get`, `starts_with`, and `iter` are never used
[INFO] [stdout]    --> src/mdlist.rs:398:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | impl<const DIM: usize, K, T> MdList<K, T, DIM> {
[INFO] [stdout]     | ---------------------------------------------- associated items in this implementation
[INFO] [stdout] 398 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 406 |     pub fn insert<Q: ToCoords<DIM>>(&self, key: Q, value: T) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn get<Q: ToCoords<DIM>>(&self, key: Q) -> Option<&T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 422 |     pub fn starts_with<'q, Q: ?Sized + AsRef<[u8]>>(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     pub fn iter(&self) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_coords` is never used
[INFO] [stdout]    --> src/mdlist.rs:443:8
[INFO] [stdout]     |
[INFO] [stdout] 442 | pub trait ToCoords<const DIM: usize> {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] 443 |     fn to_coords(self) -> [u8; DIM];
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `DimensionDB` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `dimension_db`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/mdlist.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let v = Shared::from(Self::element_of(entry) as *const _);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guard`
[INFO] [stdout]   --> src/mdlist.rs:59:43
[INFO] [stdout]    |
[INFO] [stdout] 59 |     unsafe fn finalize(entry: &Node<DIM>, guard: &Guard) {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `defer` and `flush` are never used
[INFO] [stdout]   --> src/ebr/mod.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Guard {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 34 |     pub(crate) fn defer<F, R>(&self, f: F)
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `swap` and `fetch_and` are never used
[INFO] [stdout]    --> src/ebr/atomic.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl<T: ?Sized + Pointable> Atomic<T> {
[INFO] [stdout]     | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 323 |     pub(crate) fn swap<'g, P: Pointer<T>>(
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 419 |     pub(crate) fn fetch_and<'g>(&self, val: usize, ord: Ordering, _: &'g Guard) -> Shared<'g, T> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush` is never used
[INFO] [stdout]    --> src/ebr/internal.rs:457:19
[INFO] [stdout]     |
[INFO] [stdout] 404 | impl Local {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 457 |     pub(super) fn flush(&self, guard: &Guard) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ring` and `file` are never read
[INFO] [stdout]   --> src/engine.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Engine {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 20 |     ring: Rio,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     file: Arc<PageSlottedFile>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `set` and `remove` are never used
[INFO] [stdout]    --> src/engine.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Command {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] 122 |     fn set(key: String, value: String) -> Command {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn remove(key: String) -> Command {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `page` is never read
[INFO] [stdout]    --> src/engine.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct CommandPos {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 134 |     page: PageId,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CommandPos` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TxStatus` is never used
[INFO] [stdout]  --> src/lftt.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum TxStatus {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpType` is never used
[INFO] [stdout]   --> src/lftt.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum OpType {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operation` is never constructed
[INFO] [stdout]   --> src/lftt.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Operation<const DIM: usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Desc` is never constructed
[INFO] [stdout]   --> src/lftt.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Desc<const DIM: usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeDesc` is never constructed
[INFO] [stdout]   --> src/lftt.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct NodeDesc<const DIM: usize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dimension` is never read
[INFO] [stdout]   --> src/mdlist.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Node<const DIM: usize> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     dimension: usize,
[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: associated constant `ALL` is never used
[INFO] [stdout]    --> src/mdlist.rs:195:11
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl<const DIM: usize, T, C: IsElement<DIM, T>> List<DIM, T, C> {
[INFO] [stdout]     | --------------------------------------------------------------- associated constant in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 195 |     const ALL: usize = Self::ADP | Self::DEL;
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `starts_with` and `iter` are never used
[INFO] [stdout]    --> src/mdlist.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | impl<const DIM: usize, K, T> MdList<K, T, DIM> {
[INFO] [stdout]     | ---------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 422 |     pub fn starts_with<'q, Q: ?Sized + AsRef<[u8]>>(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     pub fn iter(&self) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/ebr/deferred.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |             drop(a);
[INFO] [stdout]    |             ^^^^^-^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `[usize; 1]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/ebr/deferred.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             drop(a);
[INFO] [stdout]     |             ^^^^^-^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `[usize; 10]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.17s
[INFO] running `Command { std: "docker" "inspect" "2a88312bf89b0cdfde06a8f4e36129aa3d2e983f41793de47d037314a4de5032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a88312bf89b0cdfde06a8f4e36129aa3d2e983f41793de47d037314a4de5032", kill_on_drop: false }`
[INFO] [stdout] 2a88312bf89b0cdfde06a8f4e36129aa3d2e983f41793de47d037314a4de5032
[INFO] checking rasviitanen/DimensionDB against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasviitanen%2FDimensionDB" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rasviitanen/DimensionDB on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rasviitanen/DimensionDB
[INFO] finished tweaking git repo https://github.com/rasviitanen/DimensionDB
[INFO] tweaked toml for git repo https://github.com/rasviitanen/DimensionDB written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rasviitanen/DimensionDB 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f33749b1818239a35c51bd0561953de7e73208250fe91320204c40e4a26848ff
[INFO] running `Command { std: "docker" "start" "-a" "f33749b1818239a35c51bd0561953de7e73208250fe91320204c40e4a26848ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f33749b1818239a35c51bd0561953de7e73208250fe91320204c40e4a26848ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33749b1818239a35c51bd0561953de7e73208250fe91320204c40e4a26848ff", kill_on_drop: false }`
[INFO] [stdout] f33749b1818239a35c51bd0561953de7e73208250fe91320204c40e4a26848ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80265a74cd129ae126959dc3829a0e39f4490b2b477e4129e2be8566e39e3c86
[INFO] running `Command { std: "docker" "start" "-a" "80265a74cd129ae126959dc3829a0e39f4490b2b477e4129e2be8566e39e3c86", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking rio v0.9.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking DimensionDB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cmp`
[INFO] [stdout]  --> src/layout.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/mdlist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]    --> src/ebr/internal.rs:627:42
[INFO] [stdout]     |
[INFO] [stdout] 627 |     use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 628 |
[INFO] [stdout] 629 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ordering` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pin` is imported redundantly
[INFO] [stdout]    --> src/ebr/queue.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |     use super::*;
[INFO] [stdout]     |         -------- the item `pin` is already imported here
[INFO] [stdout] 224 |     use crate::ebr::pin;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cmp`
[INFO] [stdout]  --> src/layout.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/layout.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/mdlist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Owned` is imported redundantly
[INFO] [stdout]    --> src/mdlist.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 492 |     use super::*;
[INFO] [stdout]     |         -------- the item `Owned` is already imported here
[INFO] [stdout] 493 |     use crate::ebr::collector::Collector;
[INFO] [stdout] 494 |     use crate::ebr::Owned;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/mdlist.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let v = Shared::from(Self::element_of(entry) as *const _);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guard`
[INFO] [stdout]   --> src/mdlist.rs:59:43
[INFO] [stdout]    |
[INFO] [stdout] 59 |     unsafe fn finalize(entry: &Node<DIM>, guard: &Guard) {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `defer` and `flush` are never used
[INFO] [stdout]   --> src/ebr/mod.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Guard {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 34 |     pub(crate) fn defer<F, R>(&self, f: F)
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `swap` and `fetch_and` are never used
[INFO] [stdout]    --> src/ebr/atomic.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl<T: ?Sized + Pointable> Atomic<T> {
[INFO] [stdout]     | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 323 |     pub(crate) fn swap<'g, P: Pointer<T>>(
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 419 |     pub(crate) fn fetch_and<'g>(&self, val: usize, ord: Ordering, _: &'g Guard) -> Shared<'g, T> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/ebr/internal.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Bag {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub(super) const fn is_empty(&self) -> bool {
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush` is never used
[INFO] [stdout]    --> src/ebr/internal.rs:457:19
[INFO] [stdout]     |
[INFO] [stdout] 404 | impl Local {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 457 |     pub(super) fn flush(&self, guard: &Guard) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Engine` is never constructed
[INFO] [stdout]   --> src/engine.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Engine {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used
[INFO] [stdout]   --> src/engine.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Engine {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(threads: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub async fn get(&self, key: String) -> anyhow::Result<Option<String>> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub async fn set(&self, key: String, value: String) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `set` and `remove` are never used
[INFO] [stdout]    --> src/engine.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Command {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] 122 |     fn set(key: String, value: String) -> Command {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn remove(key: String) -> Command {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `page`, `pos`, and `len` are never read
[INFO] [stdout]    --> src/engine.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct CommandPos {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 134 |     page: PageId,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 135 |     pos: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 136 |     len: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CommandPos` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/io.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<R: Read + Seek> BufReaderWithPos<R> {
[INFO] [stdout]    | ---------------------------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(mut inner: R) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/io.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<W: Write + Seek> BufWriterWithPos<W> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(mut inner: W) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]   --> src/layout.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const PAGE_SIZE: u64 = 4096 * 1;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHUNK_SIZE` is never used
[INFO] [stdout]   --> src/layout.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const CHUNK_SIZE: u64 = 4096 * 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Aligned` is never constructed
[INFO] [stdout]   --> src/layout.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Aligned([u8; CHUNK_SIZE as usize]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `open` and `open_additional` are never used
[INFO] [stdout]   --> src/layout.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl PageSlottedFile {
[INFO] [stdout]    | -------------------- associated functions in this implementation
[INFO] [stdout] 37 |     pub fn open(path: impl AsRef<Path>, ring: &rio::Rio) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn open_additional(path: impl AsRef<Path>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TxStatus` is never used
[INFO] [stdout]  --> src/lftt.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum TxStatus {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpType` is never used
[INFO] [stdout]   --> src/lftt.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum OpType {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operation` is never constructed
[INFO] [stdout]   --> src/lftt.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Operation<const DIM: usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Desc` is never constructed
[INFO] [stdout]   --> src/lftt.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Desc<const DIM: usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeDesc` is never constructed
[INFO] [stdout]   --> src/lftt.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct NodeDesc<const DIM: usize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dp`, `dc`, and `curr` are never read
[INFO] [stdout]   --> src/mdlist.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct AdoptDesc<const DIM: usize> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 11 |     dp: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     dc: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     curr: Owned<Node<DIM>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AdoptDesc` 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 `Pred` is never constructed
[INFO] [stdout]   --> src/mdlist.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Pred<'g, const DIM: usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pred` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dimension` is never read
[INFO] [stdout]   --> src/mdlist.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Node<const DIM: usize> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     dimension: usize,
[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: associated function `new` is never used
[INFO] [stdout]   --> src/mdlist.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl<const DIM: usize, V> NodeWithValue<DIM, V> {
[INFO] [stdout]    | ----------------------------------------------- associated function in this implementation
[INFO] [stdout] 79 |     #[inline]
[INFO] [stdout] 80 |     pub fn new(coords: [u8; DIM], value: V) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `entry_of` is never used
[INFO] [stdout]    --> src/mdlist.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub trait IsElement<const DIM: usize, T> {
[INFO] [stdout]     |           --------- associated function in this trait
[INFO] [stdout] 120 |     fn entry_of(_: &T) -> &Node<DIM>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/mdlist.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<const DIM: usize> Node<DIM> {
[INFO] [stdout]     | -------------------------------- associated function in this implementation
[INFO] [stdout] 175 |     #[inline]
[INFO] [stdout] 176 |     fn new(coords: [u8; DIM]) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/mdlist.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl<const DIM: usize, T, C: IsElement<DIM, T>> List<DIM, T, C> {
[INFO] [stdout]     | --------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 192 |     const UNMARKED: usize = 0;
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 193 |     const ADP: usize = 1;
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 194 |     const DEL: usize = 2;
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 195 |     const ALL: usize = Self::ADP | Self::DEL;
[INFO] [stdout]     |           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub(crate) unsafe fn finish_inserting<'g>(
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     pub(crate) unsafe fn locate_pred<'g>(
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) unsafe fn get<'g>(&'g self, coords: [u8; DIM], guard: &'g Guard) -> Option<&T> {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 283 |     pub(crate) unsafe fn insert<'g>(&'g self, container: Shared<'g, T>, guard: &'g Guard) {
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     pub fn starts_with<'g>(&'g self, needle: &'g [u8], guard: &'g Guard) -> Iter<'g, DIM, T, C> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `list` is never read
[INFO] [stdout]    --> src/mdlist.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 383 | pub struct MdList<K, T, const DIM: usize = 16> {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 384 |     list: List<DIM, NodeWithValue<DIM, T>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `get`, `starts_with`, and `iter` are never used
[INFO] [stdout]    --> src/mdlist.rs:398:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | impl<const DIM: usize, K, T> MdList<K, T, DIM> {
[INFO] [stdout]     | ---------------------------------------------- associated items in this implementation
[INFO] [stdout] 398 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 406 |     pub fn insert<Q: ToCoords<DIM>>(&self, key: Q, value: T) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn get<Q: ToCoords<DIM>>(&self, key: Q) -> Option<&T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 422 |     pub fn starts_with<'q, Q: ?Sized + AsRef<[u8]>>(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     pub fn iter(&self) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_coords` is never used
[INFO] [stdout]    --> src/mdlist.rs:443:8
[INFO] [stdout]     |
[INFO] [stdout] 442 | pub trait ToCoords<const DIM: usize> {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] 443 |     fn to_coords(self) -> [u8; DIM];
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `DimensionDB` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `dimension_db`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/mdlist.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let v = Shared::from(Self::element_of(entry) as *const _);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guard`
[INFO] [stdout]   --> src/mdlist.rs:59:43
[INFO] [stdout]    |
[INFO] [stdout] 59 |     unsafe fn finalize(entry: &Node<DIM>, guard: &Guard) {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `defer` and `flush` are never used
[INFO] [stdout]   --> src/ebr/mod.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Guard {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 34 |     pub(crate) fn defer<F, R>(&self, f: F)
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn flush(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `swap` and `fetch_and` are never used
[INFO] [stdout]    --> src/ebr/atomic.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl<T: ?Sized + Pointable> Atomic<T> {
[INFO] [stdout]     | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 323 |     pub(crate) fn swap<'g, P: Pointer<T>>(
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 419 |     pub(crate) fn fetch_and<'g>(&self, val: usize, ord: Ordering, _: &'g Guard) -> Shared<'g, T> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flush` is never used
[INFO] [stdout]    --> src/ebr/internal.rs:457:19
[INFO] [stdout]     |
[INFO] [stdout] 404 | impl Local {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 457 |     pub(super) fn flush(&self, guard: &Guard) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ring` and `file` are never read
[INFO] [stdout]   --> src/engine.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Engine {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 20 |     ring: Rio,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     file: Arc<PageSlottedFile>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `set` and `remove` are never used
[INFO] [stdout]    --> src/engine.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Command {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] 122 |     fn set(key: String, value: String) -> Command {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn remove(key: String) -> Command {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `page` is never read
[INFO] [stdout]    --> src/engine.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct CommandPos {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 134 |     page: PageId,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CommandPos` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TxStatus` is never used
[INFO] [stdout]  --> src/lftt.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum TxStatus {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpType` is never used
[INFO] [stdout]   --> src/lftt.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum OpType {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operation` is never constructed
[INFO] [stdout]   --> src/lftt.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Operation<const DIM: usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Desc` is never constructed
[INFO] [stdout]   --> src/lftt.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Desc<const DIM: usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeDesc` is never constructed
[INFO] [stdout]   --> src/lftt.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct NodeDesc<const DIM: usize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dimension` is never read
[INFO] [stdout]   --> src/mdlist.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Node<const DIM: usize> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     dimension: usize,
[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: associated constant `ALL` is never used
[INFO] [stdout]    --> src/mdlist.rs:195:11
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl<const DIM: usize, T, C: IsElement<DIM, T>> List<DIM, T, C> {
[INFO] [stdout]     | --------------------------------------------------------------- associated constant in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 195 |     const ALL: usize = Self::ADP | Self::DEL;
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `starts_with` and `iter` are never used
[INFO] [stdout]    --> src/mdlist.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | impl<const DIM: usize, K, T> MdList<K, T, DIM> {
[INFO] [stdout]     | ---------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 422 |     pub fn starts_with<'q, Q: ?Sized + AsRef<[u8]>>(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     pub fn iter(&self) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/ebr/deferred.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |             drop(a);
[INFO] [stdout]    |             ^^^^^-^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `[usize; 1]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/ebr/deferred.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             drop(a);
[INFO] [stdout]     |             ^^^^^-^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `[usize; 10]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `Command { std: "docker" "inspect" "80265a74cd129ae126959dc3829a0e39f4490b2b477e4129e2be8566e39e3c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80265a74cd129ae126959dc3829a0e39f4490b2b477e4129e2be8566e39e3c86", kill_on_drop: false }`
[INFO] [stdout] 80265a74cd129ae126959dc3829a0e39f4490b2b477e4129e2be8566e39e3c86