[INFO] fetching crate spacemap 1.1.2...
[INFO] testing spacemap-1.1.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate spacemap 1.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate spacemap 1.1.2
[INFO] finished tweaking crates.io crate spacemap 1.1.2
[INFO] tweaked toml for crates.io crate spacemap 1.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spacemap 1.1.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spacemap 1.1.2 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmij v1.0.12
[INFO] [stderr]   Downloaded is-terminal v0.1.0
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[INFO] [stderr]   Downloaded rustix v0.33.7
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ca060da8ef9746e532eed333f9c1288206abe2252c84ababc10f7656f272816
[INFO] running `Command { std: "docker" "start" "-a" "1ca060da8ef9746e532eed333f9c1288206abe2252c84ababc10f7656f272816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ca060da8ef9746e532eed333f9c1288206abe2252c84ababc10f7656f272816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca060da8ef9746e532eed333f9c1288206abe2252c84ababc10f7656f272816", kill_on_drop: false }`
[INFO] [stdout] 1ca060da8ef9746e532eed333f9c1288206abe2252c84ababc10f7656f272816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6f2245fadb214ce60dafb555f92fa322d6745cfc323a85294c5915aeb5053b8
[INFO] running `Command { std: "docker" "start" "-a" "b6f2245fadb214ce60dafb555f92fa322d6745cfc323a85294c5915aeb5053b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]    Compiling io-lifetimes v0.5.3
[INFO] [stderr]    Compiling rustix v0.33.7
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling linux-raw-sys v0.0.42
[INFO] [stderr]    Compiling clap_builder v4.5.54
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling humansize v2.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
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[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling indicatif v0.17.11
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[INFO] [stderr]    Compiling sysinfo v0.33.1
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[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
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[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling spacemap v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::bounded_heap::BoundedMinHeap`
[INFO] [stdout]  --> src/sharded_collector.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::bounded_heap::BoundedMinHeap;
[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: `crate::types::FileMetadata`
[INFO] [stdout]  --> src/sharded_collector.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::FileMetadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/sharded_collector.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/collector.rs:145:29
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn merge(&mut self, mut other: SinglePassCollector) {
[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: unused variable: `file_meta`
[INFO] [stdout]   --> src/parallel_scanner.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     let file_meta = match entry_result {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_meta`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sharded_collector.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         mut collector1: SinglePassCollector,
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collector2`
[INFO] [stdout]   --> src/sharded_collector.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         collector2: SinglePassCollector,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collector2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len` and `is_empty` are never used
[INFO] [stdout]   --> src/bounded_heap.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T: Ord> BoundedMinHeap<T> {
[INFO] [stdout]    | ------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> src/cache.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl ScanCache {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn clear(&mut self) -> io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/categorize.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl TypeCategorizer {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `should_checkpoint` is never used
[INFO] [stdout]   --> src/checkpoint.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl ScanCheckpoint {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn should_checkpoint(&self, interval_seconds: u64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PathPool` is never constructed
[INFO] [stdout]  --> src/path_pool.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PathPool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `intern`, `get`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> src/path_pool.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl PathPool {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn intern(&mut self, path: &Path) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get(&self, id: u32) -> Option<&Path> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShardedCollector` is never constructed
[INFO] [stdout]   --> src/sharded_collector.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ShardedCollector {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_shard`, `finalize`, and `merge_collectors` are never used
[INFO] [stdout]   --> src/sharded_collector.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ShardedCollector {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn new<F>(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn get_shard(&self, shard_id: usize) -> Arc<Mutex<SinglePassCollector>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn finalize(self, total_bytes: u64) -> CollectionResults {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn merge_collectors(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.23s
[INFO] running `Command { std: "docker" "inspect" "b6f2245fadb214ce60dafb555f92fa322d6745cfc323a85294c5915aeb5053b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f2245fadb214ce60dafb555f92fa322d6745cfc323a85294c5915aeb5053b8", kill_on_drop: false }`
[INFO] [stdout] b6f2245fadb214ce60dafb555f92fa322d6745cfc323a85294c5915aeb5053b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2400b4c6d2cf7cfbd6a68680c341af6f2a2de4fca64c3e70bbdc4d7a7173ab01
[INFO] running `Command { std: "docker" "start" "-a" "2400b4c6d2cf7cfbd6a68680c341af6f2a2de4fca64c3e70bbdc4d7a7173ab01", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling spacemap v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::bounded_heap::BoundedMinHeap`
[INFO] [stdout]  --> src/sharded_collector.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::bounded_heap::BoundedMinHeap;
[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: `crate::types::FileMetadata`
[INFO] [stdout]  --> src/sharded_collector.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::FileMetadata;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/sharded_collector.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/collector.rs:145:29
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn merge(&mut self, mut other: SinglePassCollector) {
[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: unused variable: `file_meta`
[INFO] [stdout]   --> src/parallel_scanner.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     let file_meta = match entry_result {
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_meta`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sharded_collector.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         mut collector1: SinglePassCollector,
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collector2`
[INFO] [stdout]   --> src/sharded_collector.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         collector2: SinglePassCollector,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collector2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> src/cache.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl ScanCache {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn clear(&mut self) -> io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `should_checkpoint` is never used
[INFO] [stdout]   --> src/checkpoint.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl ScanCheckpoint {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn should_checkpoint(&self, interval_seconds: u64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/path_pool.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl PathPool {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `top_n` is never read
[INFO] [stdout]   --> src/sharded_collector.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ShardedCollector {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 13 |     shards: Vec<Arc<Mutex<SinglePassCollector>>>,
[INFO] [stdout] 14 |     top_n: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_shard`, `finalize`, and `merge_collectors` are never used
[INFO] [stdout]   --> src/sharded_collector.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ShardedCollector {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn get_shard(&self, shard_id: usize) -> Arc<Mutex<SinglePassCollector>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn finalize(self, total_bytes: u64) -> CollectionResults {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn merge_collectors(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "2400b4c6d2cf7cfbd6a68680c341af6f2a2de4fca64c3e70bbdc4d7a7173ab01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2400b4c6d2cf7cfbd6a68680c341af6f2a2de4fca64c3e70bbdc4d7a7173ab01", kill_on_drop: false }`
[INFO] [stdout] 2400b4c6d2cf7cfbd6a68680c341af6f2a2de4fca64c3e70bbdc4d7a7173ab01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0df71405a0064f2a9c015bdef66bf113e17cc3b6bfa5b9eb5ddc5caaf4cb2e20
[INFO] running `Command { std: "docker" "start" "-a" "0df71405a0064f2a9c015bdef66bf113e17cc3b6bfa5b9eb5ddc5caaf4cb2e20", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::bounded_heap::BoundedMinHeap`
[INFO] [stderr]  --> src/sharded_collector.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::bounded_heap::BoundedMinHeap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::FileMetadata`
[INFO] [stderr]  --> src/sharded_collector.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::types::FileMetadata;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/sharded_collector.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/collector.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn merge(&mut self, mut other: SinglePassCollector) {
[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: unused variable: `file_meta`
[INFO] [stderr]   --> src/parallel_scanner.rs:95:25
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     let file_meta = match entry_result {
[INFO] [stderr]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_meta`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/sharded_collector.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         mut collector1: SinglePassCollector,
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `collector2`
[INFO] [stderr]   --> src/sharded_collector.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         collector2: SinglePassCollector,
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collector2`
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]    --> src/cache.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr]  21 | impl ScanCache {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 128 |     pub fn clear(&mut self) -> io::Result<()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `should_checkpoint` is never used
[INFO] [stderr]   --> src/checkpoint.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl ScanCheckpoint {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub fn should_checkpoint(&self, interval_seconds: u64) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_empty` is never used
[INFO] [stderr]   --> src/path_pool.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl PathPool {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `top_n` is never read
[INFO] [stderr]   --> src/sharded_collector.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct ShardedCollector {
[INFO] [stderr]    |            ---------------- field in this struct
[INFO] [stderr] 13 |     shards: Vec<Arc<Mutex<SinglePassCollector>>>,
[INFO] [stderr] 14 |     top_n: usize,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `get_shard`, `finalize`, and `merge_collectors` are never used
[INFO] [stderr]   --> src/sharded_collector.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl ShardedCollector {
[INFO] [stderr]    | --------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn get_shard(&self, shard_id: usize) -> Arc<Mutex<SinglePassCollector>> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     pub fn finalize(self, total_bytes: u64) -> CollectionResults {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |     fn merge_collectors(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spacemap` (bin "spacemap" test) generated 12 warnings (run `cargo fix --bin "spacemap" -p spacemap --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/spacemap-6c609e85fefc433d)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test bounded_heap::tests::test_bounded_heap_empty ... ok
[INFO] [stdout] test bounded_heap::tests::test_bounded_heap_capacity ... ok
[INFO] [stdout] test bounded_heap::tests::test_bounded_heap_eviction ... ok
[INFO] [stdout] test bounded_heap::tests::test_bounded_heap_no_eviction_if_smaller ... ok
[INFO] [stdout] test bounded_heap::tests::test_bounded_heap_basic ... ok
[INFO] [stdout] test sharded_collector::tests::test_sharded_collector_creation ... ok
[INFO] [stdout] test bounded_heap::tests::test_bounded_heap_single_item ... ok
[INFO] [stdout] test path_pool::tests::test_path_pool_memory_efficiency ... ok
[INFO] [stdout] test path_pool::tests::test_path_pool_basic ... ok
[INFO] [stdout] test path_pool::tests::test_path_pool_deduplication ... ok
[INFO] [stdout] test collector::tests::test_single_pass_collector_bounded_top_files ... ok
[INFO] [stdout] test duplicates::tests::test_duplicate_finder_no_duplicates ... ok
[INFO] [stdout] test duplicates::tests::test_duplicate_finder_with_duplicates ... ok
[INFO] [stdout] test checkpoint::tests::test_checkpoint_save_load ... ok
[INFO] [stdout] test collector::tests::test_single_pass_collector_basic ... ok
[INFO] [stdout] test collector::tests::test_single_pass_collector_skip_tops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0df71405a0064f2a9c015bdef66bf113e17cc3b6bfa5b9eb5ddc5caaf4cb2e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df71405a0064f2a9c015bdef66bf113e17cc3b6bfa5b9eb5ddc5caaf4cb2e20", kill_on_drop: false }`
[INFO] [stdout] 0df71405a0064f2a9c015bdef66bf113e17cc3b6bfa5b9eb5ddc5caaf4cb2e20
