[INFO] fetching crate siftdb-core 0.2.2...
[INFO] testing siftdb-core-0.2.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate siftdb-core 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate siftdb-core 0.2.2
[INFO] finished tweaking crates.io crate siftdb-core 0.2.2
[INFO] tweaked toml for crates.io crate siftdb-core 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate siftdb-core 0.2.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87b6f943ee60a4ea38dca27876b5de06d7f92c251e85144551f4b6b726ab2bc3
[INFO] running `Command { std: "docker" "start" "-a" "87b6f943ee60a4ea38dca27876b5de06d7f92c251e85144551f4b6b726ab2bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87b6f943ee60a4ea38dca27876b5de06d7f92c251e85144551f4b6b726ab2bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b6f943ee60a4ea38dca27876b5de06d7f92c251e85144551f4b6b726ab2bc3", kill_on_drop: false }`
[INFO] [stdout] 87b6f943ee60a4ea38dca27876b5de06d7f92c251e85144551f4b6b726ab2bc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94367850f8617d355b2ca0d6f86e244bc6fa446c9a00dc9c0d97943075648e3f
[INFO] running `Command { std: "docker" "start" "-a" "94367850f8617d355b2ca0d6f86e244bc6fa446c9a00dc9c0d97943075648e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling ignore v0.4.25
[INFO] [stderr]    Compiling siftdb-core v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::PathBuf;
[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: `WriteLock`
[INFO] [stdout]   --> src/ingest.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::locking::{SWMRLockManager, WriteLock};
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/inverted_index.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoStreamer` and `Streamer`
[INFO] [stdout]  --> src/inverted_index.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use fst::{IntoStreamer, Streamer, Map, MapBuilder};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::HandleMetadata`
[INFO] [stdout]  --> src/tombstone.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::HandleMetadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/tombstone.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `OpenOptions`
[INFO] [stdout]  --> src/locking.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/locking.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TombstoneStats`
[INFO] [stdout]  --> src/compaction.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tombstone::{TombstoneManager, TombstoneStats};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadLock` and `WriteLock`
[INFO] [stdout]   --> src/lib.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::locking::{SWMRLockManager, ReadLock, WriteLock};
[INFO] [stdout]    |                                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/ingest.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_index`
[INFO] [stdout]   --> src/query.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let path_index = &self.path_index;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handles_map`
[INFO] [stdout]   --> src/query.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let handles_map = &self.handles_map;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_files`
[INFO] [stdout]    --> src/bench.rs:141:14
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let (source_files, source_bytes) = self.count_source_files();
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/bench.rs:591:13
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let db = SiftDB::init(&self.collection_path)?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/bench.rs:644:13
[INFO] [stdout]     |
[INFO] [stdout] 644 |         let db = SiftDB::open(&self.collection_path)?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut path_index = PathIndex::read_from_file(&self.collection_path.join("index/path.json"))?;
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut handles_map = HandlesMap::read_from_file(&self.collection_path.join("index/handles.json"))?;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut ingester = Ingester::new(self.collection_path.clone(), options);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_index`
[INFO] [stdout]    --> src/incremental.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut path_index = PathIndex::read_from_file(&self.collection_path.join("index/path.json"))?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handles_map`
[INFO] [stdout]    --> src/incremental.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut handles_map = HandlesMap::read_from_file(&self.collection_path.join("index/handles.json"))?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ingester`
[INFO] [stdout]    --> src/incremental.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut ingester = Ingester::new(self.collection_path.clone(), options);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingester`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lock_manager` is never read
[INFO] [stdout]   --> src/ingest.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Ingester {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     lock_manager: SWMRLockManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lock_manager` is never read
[INFO] [stdout]   --> src/bench.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct SiftDBBenchmark {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     lock_manager: SWMRLockManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `term_map` is never read
[INFO] [stdout]   --> src/inverted_index.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct InvertedIndex {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 13 |     /// FST mapping term -> encoded file handle list
[INFO] [stdout] 14 |     term_map: Option<Map<Mmap>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InvertedIndex` 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 `collection_path` is never read
[INFO] [stdout]    --> src/tombstone.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct TombstoneManager {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 172 |     collection_path: PathBuf,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `collection_path` is never read
[INFO] [stdout]   --> src/locking.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct SWMRLockManager {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 63 |     collection_path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/locking.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn acquire_read_lock(&self, timeout_secs: u64, holder_info: String) -> Result<ReadLock> {
[INFO] [stdout]    |                              ^^^^^ the lifetime is elided here                        ^^^^^^^^ the same lifetime is hidden 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] 88 |     pub fn acquire_read_lock(&self, timeout_secs: u64, holder_info: String) -> Result<ReadLock<'_>> {
[INFO] [stdout]    |                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/locking.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn acquire_write_lock(&self, timeout_secs: u64, holder_info: String) -> Result<WriteLock> {
[INFO] [stdout]     |                               ^^^^^ the lifetime is elided here                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn acquire_write_lock(&self, timeout_secs: u64, holder_info: String) -> Result<WriteLock<'_>> {
[INFO] [stdout]     |                                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "94367850f8617d355b2ca0d6f86e244bc6fa446c9a00dc9c0d97943075648e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94367850f8617d355b2ca0d6f86e244bc6fa446c9a00dc9c0d97943075648e3f", kill_on_drop: false }`
[INFO] [stdout] 94367850f8617d355b2ca0d6f86e244bc6fa446c9a00dc9c0d97943075648e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 495298d0d4ff170b8b300b76beb74b05527539d022121d71ecb2c39b1638d743
[INFO] running `Command { std: "docker" "start" "-a" "495298d0d4ff170b8b300b76beb74b05527539d022121d71ecb2c39b1638d743", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::PathBuf;
[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: `WriteLock`
[INFO] [stdout]   --> src/ingest.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::locking::{SWMRLockManager, WriteLock};
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/inverted_index.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoStreamer` and `Streamer`
[INFO] [stdout]  --> src/inverted_index.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use fst::{IntoStreamer, Streamer, Map, MapBuilder};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::HandleMetadata`
[INFO] [stdout]  --> src/tombstone.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::HandleMetadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/tombstone.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `OpenOptions`
[INFO] [stdout]  --> src/locking.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/locking.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TombstoneStats`
[INFO] [stdout]  --> src/compaction.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tombstone::{TombstoneManager, TombstoneStats};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadLock` and `WriteLock`
[INFO] [stdout]   --> src/lib.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::locking::{SWMRLockManager, ReadLock, WriteLock};
[INFO] [stdout]    |                                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/ingest.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_index`
[INFO] [stdout]   --> src/query.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let path_index = &self.path_index;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handles_map`
[INFO] [stdout]   --> src/query.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let handles_map = &self.handles_map;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_files`
[INFO] [stdout]    --> src/bench.rs:141:14
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let (source_files, source_bytes) = self.count_source_files();
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/bench.rs:591:13
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let db = SiftDB::init(&self.collection_path)?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/bench.rs:644:13
[INFO] [stdout]     |
[INFO] [stdout] 644 |         let db = SiftDB::open(&self.collection_path)?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut path_index = PathIndex::read_from_file(&self.collection_path.join("index/path.json"))?;
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut handles_map = HandlesMap::read_from_file(&self.collection_path.join("index/handles.json"))?;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut ingester = Ingester::new(self.collection_path.clone(), options);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_index`
[INFO] [stdout]    --> src/incremental.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut path_index = PathIndex::read_from_file(&self.collection_path.join("index/path.json"))?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handles_map`
[INFO] [stdout]    --> src/incremental.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut handles_map = HandlesMap::read_from_file(&self.collection_path.join("index/handles.json"))?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ingester`
[INFO] [stdout]    --> src/incremental.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut ingester = Ingester::new(self.collection_path.clone(), options);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingester`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lock_manager` is never read
[INFO] [stdout]   --> src/ingest.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Ingester {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     lock_manager: SWMRLockManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lock_manager` is never read
[INFO] [stdout]   --> src/bench.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct SiftDBBenchmark {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     lock_manager: SWMRLockManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `term_map` is never read
[INFO] [stdout]   --> src/inverted_index.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct InvertedIndex {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 13 |     /// FST mapping term -> encoded file handle list
[INFO] [stdout] 14 |     term_map: Option<Map<Mmap>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InvertedIndex` 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 `collection_path` is never read
[INFO] [stdout]    --> src/tombstone.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct TombstoneManager {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 172 |     collection_path: PathBuf,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `collection_path` is never read
[INFO] [stdout]   --> src/locking.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct SWMRLockManager {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 63 |     collection_path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/locking.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn acquire_read_lock(&self, timeout_secs: u64, holder_info: String) -> Result<ReadLock> {
[INFO] [stdout]    |                              ^^^^^ the lifetime is elided here                        ^^^^^^^^ the same lifetime is hidden 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] 88 |     pub fn acquire_read_lock(&self, timeout_secs: u64, holder_info: String) -> Result<ReadLock<'_>> {
[INFO] [stdout]    |                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/locking.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn acquire_write_lock(&self, timeout_secs: u64, holder_info: String) -> Result<WriteLock> {
[INFO] [stdout]     |                               ^^^^^ the lifetime is elided here                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn acquire_write_lock(&self, timeout_secs: u64, holder_info: String) -> Result<WriteLock<'_>> {
[INFO] [stdout]     |                                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling siftdb-core v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::PathBuf;
[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: `WriteLock`
[INFO] [stdout]   --> src/ingest.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::locking::{SWMRLockManager, WriteLock};
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/inverted_index.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoStreamer` and `Streamer`
[INFO] [stdout]  --> src/inverted_index.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use fst::{IntoStreamer, Streamer, Map, MapBuilder};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::HandleMetadata`
[INFO] [stdout]  --> src/tombstone.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::HandleMetadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/tombstone.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `OpenOptions`
[INFO] [stdout]  --> src/locking.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/locking.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TombstoneStats`
[INFO] [stdout]  --> src/compaction.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tombstone::{TombstoneManager, TombstoneStats};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadLock` and `WriteLock`
[INFO] [stdout]   --> src/lib.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::locking::{SWMRLockManager, ReadLock, WriteLock};
[INFO] [stdout]    |                                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/ingest.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_index`
[INFO] [stdout]   --> src/query.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let path_index = &self.path_index;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handles_map`
[INFO] [stdout]   --> src/query.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let handles_map = &self.handles_map;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_files`
[INFO] [stdout]    --> src/bench.rs:141:14
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let (source_files, source_bytes) = self.count_source_files();
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/bench.rs:591:13
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let db = SiftDB::init(&self.collection_path)?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/bench.rs:644:13
[INFO] [stdout]     |
[INFO] [stdout] 644 |         let db = SiftDB::open(&self.collection_path)?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut path_index = PathIndex::read_from_file(&self.collection_path.join("index/path.json"))?;
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut handles_map = HandlesMap::read_from_file(&self.collection_path.join("index/handles.json"))?;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/incremental.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut ingester = Ingester::new(self.collection_path.clone(), options);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_index`
[INFO] [stdout]    --> src/incremental.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut path_index = PathIndex::read_from_file(&self.collection_path.join("index/path.json"))?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handles_map`
[INFO] [stdout]    --> src/incremental.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let mut handles_map = HandlesMap::read_from_file(&self.collection_path.join("index/handles.json"))?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ingester`
[INFO] [stdout]    --> src/incremental.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut ingester = Ingester::new(self.collection_path.clone(), options);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingester`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lock_manager` is never read
[INFO] [stdout]   --> src/ingest.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Ingester {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     lock_manager: SWMRLockManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lock_manager` is never read
[INFO] [stdout]   --> src/bench.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct SiftDBBenchmark {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     lock_manager: SWMRLockManager,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `term_map` is never read
[INFO] [stdout]   --> src/inverted_index.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct InvertedIndex {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 13 |     /// FST mapping term -> encoded file handle list
[INFO] [stdout] 14 |     term_map: Option<Map<Mmap>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InvertedIndex` 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 `collection_path` is never read
[INFO] [stdout]    --> src/tombstone.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct TombstoneManager {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 172 |     collection_path: PathBuf,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `collection_path` is never read
[INFO] [stdout]   --> src/locking.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct SWMRLockManager {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 63 |     collection_path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/locking.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn acquire_read_lock(&self, timeout_secs: u64, holder_info: String) -> Result<ReadLock> {
[INFO] [stdout]    |                              ^^^^^ the lifetime is elided here                        ^^^^^^^^ the same lifetime is hidden 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] 88 |     pub fn acquire_read_lock(&self, timeout_secs: u64, holder_info: String) -> Result<ReadLock<'_>> {
[INFO] [stdout]    |                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/locking.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn acquire_write_lock(&self, timeout_secs: u64, holder_info: String) -> Result<WriteLock> {
[INFO] [stdout]     |                               ^^^^^ the lifetime is elided here                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn acquire_write_lock(&self, timeout_secs: u64, holder_info: String) -> Result<WriteLock<'_>> {
[INFO] [stdout]     |                                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "495298d0d4ff170b8b300b76beb74b05527539d022121d71ecb2c39b1638d743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495298d0d4ff170b8b300b76beb74b05527539d022121d71ecb2c39b1638d743", kill_on_drop: false }`
[INFO] [stdout] 495298d0d4ff170b8b300b76beb74b05527539d022121d71ecb2c39b1638d743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0cfe2b3736838bb17c76329eba73c890db5d8e6f6be2c164d7112b47c9c5dd6e
[INFO] running `Command { std: "docker" "start" "-a" "0cfe2b3736838bb17c76329eba73c890db5d8e6f6be2c164d7112b47c9c5dd6e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/types.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WriteLock`
[INFO] [stderr]   --> src/ingest.rs:10:39
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::locking::{SWMRLockManager, WriteLock};
[INFO] [stderr]    |                                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/inverted_index.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntoStreamer` and `Streamer`
[INFO] [stderr]  --> src/inverted_index.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use fst::{IntoStreamer, Streamer, Map, MapBuilder};
[INFO] [stderr]   |           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::HandleMetadata`
[INFO] [stderr]  --> src/tombstone.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::types::HandleMetadata;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/tombstone.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File` and `OpenOptions`
[INFO] [stderr]  --> src/locking.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read` and `Write`
[INFO] [stderr]  --> src/locking.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TombstoneStats`
[INFO] [stderr]  --> src/compaction.rs:1:42
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::tombstone::{TombstoneManager, TombstoneStats};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ReadLock` and `WriteLock`
[INFO] [stderr]   --> src/lib.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 | use crate::locking::{SWMRLockManager, ReadLock, WriteLock};
[INFO] [stderr]    |                                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/ingest.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path_index`
[INFO] [stderr]   --> src/query.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let path_index = &self.path_index;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handles_map`
[INFO] [stderr]   --> src/query.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let handles_map = &self.handles_map;
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source_files`
[INFO] [stderr]    --> src/bench.rs:141:14
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let (source_files, source_bytes) = self.count_source_files();
[INFO] [stderr]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_files`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]    --> src/bench.rs:591:13
[INFO] [stderr]     |
[INFO] [stderr] 591 |         let db = SiftDB::init(&self.collection_path)?;
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]    --> src/bench.rs:644:13
[INFO] [stderr]     |
[INFO] [stderr] 644 |         let db = SiftDB::open(&self.collection_path)?;
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/incremental.rs:317:13
[INFO] [stderr]     |
[INFO] [stderr] 317 |         let mut path_index = PathIndex::read_from_file(&self.collection_path.join("index/path.json"))?;
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/incremental.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let mut handles_map = HandlesMap::read_from_file(&self.collection_path.join("index/handles.json"))?;
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/incremental.rs:323:13
[INFO] [stderr]     |
[INFO] [stderr] 323 |         let mut ingester = Ingester::new(self.collection_path.clone(), options);
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path_index`
[INFO] [stderr]    --> src/incremental.rs:317:13
[INFO] [stderr]     |
[INFO] [stderr] 317 |         let mut path_index = PathIndex::read_from_file(&self.collection_path.join("index/path.json"))?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handles_map`
[INFO] [stderr]    --> src/incremental.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let mut handles_map = HandlesMap::read_from_file(&self.collection_path.join("index/handles.json"))?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ingester`
[INFO] [stderr]    --> src/incremental.rs:323:13
[INFO] [stderr]     |
[INFO] [stderr] 323 |         let mut ingester = Ingester::new(self.collection_path.clone(), options);
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingester`
[INFO] [stderr] 
[INFO] [stderr] warning: field `lock_manager` is never read
[INFO] [stderr]   --> src/ingest.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct Ingester {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 39 |     lock_manager: SWMRLockManager,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `lock_manager` is never read
[INFO] [stderr]   --> src/bench.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct SiftDBBenchmark {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 63 |     lock_manager: SWMRLockManager,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `term_map` is never read
[INFO] [stderr]   --> src/inverted_index.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct InvertedIndex {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 13 |     /// FST mapping term -> encoded file handle list
[INFO] [stderr] 14 |     term_map: Option<Map<Mmap>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `InvertedIndex` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `collection_path` is never read
[INFO] [stderr]    --> src/tombstone.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 171 | pub struct TombstoneManager {
[INFO] [stderr]     |            ---------------- field in this struct
[INFO] [stderr] 172 |     collection_path: PathBuf,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `collection_path` is never read
[INFO] [stderr]   --> src/locking.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct SWMRLockManager {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] 63 |     collection_path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/locking.rs:88:30
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn acquire_read_lock(&self, timeout_secs: u64, holder_info: String) -> Result<ReadLock> {
[INFO] [stderr]    |                              ^^^^^ the lifetime is elided here                        ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn acquire_read_lock(&self, timeout_secs: u64, holder_info: String) -> Result<ReadLock<'_>> {
[INFO] [stderr]    |                                                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/locking.rs:122:31
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn acquire_write_lock(&self, timeout_secs: u64, holder_info: String) -> Result<WriteLock> {
[INFO] [stderr]     |                               ^^^^^ the lifetime is elided here                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn acquire_write_lock(&self, timeout_secs: u64, holder_info: String) -> Result<WriteLock<'_>> {
[INFO] [stderr]     |                                                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `siftdb-core` (lib) generated 29 warnings (run `cargo fix --lib -p siftdb-core` to apply 23 suggestions)
[INFO] [stderr] warning: `siftdb-core` (lib test) generated 29 warnings (29 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/siftdb_core-796808ef499407ec)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test bench::tests::bench_test ... ignored
[INFO] [stdout] test fst_index::tests::test_extract_prefix ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test inverted_index::tests::test_tokenize ... ok
[INFO] [stdout] test locking::tests::test_read_lock_acquisition ... ok
[INFO] [stdout] test fst_index::tests::test_fst_index_basic ... ok
[INFO] [stdout] test inverted_index::tests::test_inverted_index ... ok
[INFO] [stdout] test locking::tests::test_write_lock_exclusivity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests siftdb_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cfe2b3736838bb17c76329eba73c890db5d8e6f6be2c164d7112b47c9c5dd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfe2b3736838bb17c76329eba73c890db5d8e6f6be2c164d7112b47c9c5dd6e", kill_on_drop: false }`
[INFO] [stdout] 0cfe2b3736838bb17c76329eba73c890db5d8e6f6be2c164d7112b47c9c5dd6e
