[INFO] fetching crate lsh-rs 0.2.0...
[INFO] checking lsh-rs-0.2.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate lsh-rs 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lsh-rs 0.2.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lsh-rs 0.2.0
[INFO] finished tweaking crates.io crate lsh-rs 0.2.0
[INFO] tweaked toml for crates.io crate lsh-rs 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blas-src v0.6.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 008b2ec97639f59c48fdcd2b4f7ba8a739ba432a4845ba34bdbae4b074fb118b
[INFO] running `"docker" "start" "-a" "008b2ec97639f59c48fdcd2b4f7ba8a739ba432a4845ba34bdbae4b074fb118b"`
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking lsh-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Mutex`, `mpsc`
[INFO] [stderr]   --> src/lsh/lsh.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::sync::{mpsc, Mutex};
[INFO] [stderr]    |                 ^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DataPoint`
[INFO] [stderr]  --> src/table/sqlite.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     DataPoint, DataPointSlice, Error, HashTables, Result, VecHash,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/table/sqlite.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/table/sqlite.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/table/sqlite_mem.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 |     DataPoint, DataPointSlice, Error, HashTables, Result,
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]  --> src/error.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::Serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mutex`, `mpsc`
[INFO] [stderr]   --> src/lsh/lsh.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::sync::{mpsc, Mutex};
[INFO] [stderr]    |                 ^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SqlTable`
[INFO] [stderr]  --> src/lsh/test.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{MemoryTable, SqlTable};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DataPoint`
[INFO] [stderr]  --> src/table/sqlite.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     DataPoint, DataPointSlice, Error, HashTables, Result, VecHash,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/table/sqlite.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/table/sqlite.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/table/sqlite_mem.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 |     DataPoint, DataPointSlice, Error, HashTables, Result,
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]  --> src/error.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::Serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::SeedableRng`
[INFO] [stderr]   --> src/utils.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     use rand::SeedableRng;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/table/general.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn idx_to_datapoint(&self, idx: u32) -> Result<&DataPoint> {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/table/general.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn increase_storage(&mut self, size: usize) {}
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hashers`
[INFO] [stderr]   --> src/table/general.rs:50:57
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn store_hashers<H: VecHash + Serialize>(&mut self, hashers: &[H]) -> Result<()> {
[INFO] [stderr]    |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db_path`
[INFO] [stderr]   --> src/table/sqlite_mem.rs:30:60
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn new(n_hash_tables: usize, only_index_storage: bool, db_path: &str) -> Result<Box<Self>> {
[INFO] [stderr]    |                                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/table/general.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn idx_to_datapoint(&self, idx: u32) -> Result<&DataPoint> {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/table/general.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn increase_storage(&mut self, size: usize) {}
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hashers`
[INFO] [stderr]   --> src/table/general.rs:50:57
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn store_hashers<H: VecHash + Serialize>(&mut self, hashers: &[H]) -> Result<()> {
[INFO] [stderr]    |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/table/sqlite.rs:366:13
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let r = stmt.query(NO_PARAMS).expect("query failed");
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db_path`
[INFO] [stderr]   --> src/table/sqlite_mem.rs:30:60
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn new(n_hash_tables: usize, only_index_storage: bool, db_path: &str) -> Result<Box<Self>> {
[INFO] [stderr]    |                                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lsh/lsh.rs:307:9
[INFO] [stderr]     |
[INFO] [stderr] 307 | /         crossbeam::scope(|s| {
[INFO] [stderr] 308 | |             s.spawn(|_| {
[INFO] [stderr] 309 | |                 vs.iter().for_each(|v| {
[INFO] [stderr] 310 | |                     for (i, proj) in hashers.iter().enumerate() {
[INFO] [stderr] ...   |
[INFO] [stderr] 316 | |             });
[INFO] [stderr] 317 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lsh/lsh.rs:344:13
[INFO] [stderr]     |
[INFO] [stderr] 344 |             ht.update_by_idx(&old_hash, new_hash, idx, i);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lsh/lsh.rs:449:13
[INFO] [stderr]     |
[INFO] [stderr] 449 |             self.process_bucket_union_result(&original_hash, i, &mut bucket_union);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lsh/lsh.rs:457:17
[INFO] [stderr]     |
[INFO] [stderr] 457 |                 self.process_bucket_union_result(&hash, i, &mut bucket_union);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/table/mem.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 |         self.remove_idx(idx, old_hash, hash_table);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lsh/lsh.rs:307:9
[INFO] [stderr]     |
[INFO] [stderr] 307 | /         crossbeam::scope(|s| {
[INFO] [stderr] 308 | |             s.spawn(|_| {
[INFO] [stderr] 309 | |                 vs.iter().for_each(|v| {
[INFO] [stderr] 310 | |                     for (i, proj) in hashers.iter().enumerate() {
[INFO] [stderr] ...   |
[INFO] [stderr] 316 | |             });
[INFO] [stderr] 317 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lsh/lsh.rs:344:13
[INFO] [stderr]     |
[INFO] [stderr] 344 |             ht.update_by_idx(&old_hash, new_hash, idx, i);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lsh/lsh.rs:449:13
[INFO] [stderr]     |
[INFO] [stderr] 449 |             self.process_bucket_union_result(&original_hash, i, &mut bucket_union);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lsh/lsh.rs:457:17
[INFO] [stderr]     |
[INFO] [stderr] 457 |                 self.process_bucket_union_result(&hash, i, &mut bucket_union);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     lsh.store_vec(v1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     lsh.store_vec(v2);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     lsh.delete_vec(v1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     lsh.store_vec(v1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     lsh.store_vec(v1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     lsh.query_bucket_ids(v1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     lsh.store_vec(v1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     std::fs::create_dir(&tmp);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         lsh.store_vec(v1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         lsh.commit();
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         lsh.describe();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     lsh2.describe();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     lsh.store_vec(v1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lsh/test.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     lsh.describe();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/table/mem.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 |         self.remove_idx(idx, old_hash, hash_table);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/table/sqlite.rs:374:13
[INFO] [stderr]     |
[INFO] [stderr] 374 |             sql.put(hash.clone(), &v, 0);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/table/sqlite.rs:378:9
[INFO] [stderr]     |
[INFO] [stderr] 378 |         sql.put(hash.clone(), &v, 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.09s
[INFO] running `"docker" "inspect" "008b2ec97639f59c48fdcd2b4f7ba8a739ba432a4845ba34bdbae4b074fb118b"`
[INFO] running `"docker" "rm" "-f" "008b2ec97639f59c48fdcd2b4f7ba8a739ba432a4845ba34bdbae4b074fb118b"`
[INFO] [stdout] 008b2ec97639f59c48fdcd2b4f7ba8a739ba432a4845ba34bdbae4b074fb118b
