[INFO] fetching crate dharmadb 0.1.1...
[INFO] testing dharmadb-0.1.1 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] extracting crate dharmadb 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate dharmadb 0.1.1 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dharmadb 0.1.1
[INFO] finished tweaking crates.io crate dharmadb 0.1.1
[INFO] tweaked toml for crates.io crate dharmadb 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c82856c79260499c7825c0e7e384609a0ae25a17a8e36a03f5fce077323be697
[INFO] running `Command { std: "docker" "start" "-a" "c82856c79260499c7825c0e7e384609a0ae25a17a8e36a03f5fce077323be697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c82856c79260499c7825c0e7e384609a0ae25a17a8e36a03f5fce077323be697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82856c79260499c7825c0e7e384609a0ae25a17a8e36a03f5fce077323be697", kill_on_drop: false }`
[INFO] [stdout] c82856c79260499c7825c0e7e384609a0ae25a17a8e36a03f5fce077323be697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a2527157c69fe55222564a88704a81541d99a3a1c9f55140b18dec157f191ef
[INFO] running `Command { std: "docker" "start" "-a" "2a2527157c69fe55222564a88704a81541d99a3a1c9f55140b18dec157f191ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling buffered_offset_reader v0.6.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling subway v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling dharmadb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/sparse_index.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::Errors`
[INFO] [stdout]  --> src/storage/compaction/basic/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::errors::Errors;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_sstable`
[INFO] [stdout]  --> src/storage/compaction/basic/mod.rs:7:50
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::storage::sorted_string_table_writer::{write_sstable, write_sstable_at_path};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/storage/compaction/basic/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::resume_unwind`
[INFO] [stdout]   --> src/storage/compaction/basic/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::panic::resume_unwind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Record`
[INFO] [stdout]  --> src/storage/sorted_string_table_reader.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::storage::block::{to_record_type, Record, RecordType, Value};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/persistence.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn delete(&mut self, key: &K) -> Result<(), Errors> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/storage/block.rs:246:21
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 for i in 0..record.data_size_in_bytes {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `available_space_in_bytes` is never read
[INFO] [stdout]    --> src/storage/block.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |             available_space_in_bytes = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut count: u64 = 0;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_sstable_handle`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let mut output_sstable_handle = output_sstable_result.unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_sstable_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |             for i in 0..size {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut count: u64 = 0;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let mut output_sstable_handle = output_sstable_result.unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/storage/sorted_string_table_reader.rs:18:38
[INFO] [stdout]    |
[INFO] [stdout] 18 |         return value_result.map_err(|err| Errors::RECORD_DESERIALIZATION_FAILED);
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/sorted_string_table_reader.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut previous_buffer_offset = self.buffer_offset;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `strategy` is never used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl BasicCompaction {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 118 |     fn strategy(&self) -> CompactionStrategy {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/storage/compaction/basic/errors.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CompactionError(CompactionErrors);
[INFO] [stdout]    |            --------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dharma.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             db.put(key, value);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let _ = db.put(key, value);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dharma.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         self.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let _ = self.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             remove_file(table_path);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |             let _ = remove_file(table_path);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         self.log.cleanup();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let _ = self.log.cleanup();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 file_handle.write(&final_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let _ = file_handle.write(&final_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:250:17
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 file_handle.write(padding_bytes.as_slice());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let _ = file_handle.write(padding_bytes.as_slice());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 file_handle.write(&type_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 let _ = file_handle.write(&type_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 file_handle.write(&size_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let _ = file_handle.write(&size_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 file_handle.write(data_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let _ = file_handle.write(data_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             file_handle.write(&type_bytes);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 279 |             let _ = file_handle.write(&type_bytes);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |             file_handle.write(&size_bytes);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = file_handle.write(&size_bytes);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |             file_handle.write(padding.as_slice());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 281 |             let _ = file_handle.write(padding.as_slice());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |             file_handle.write(padding.as_slice());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 287 |             let _ = file_handle.write(padding.as_slice());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 create_dir_all(output_path.parent().unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 let _ = create_dir_all(output_path.parent().unwrap());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 | /             write_sstable_at_path(
[INFO] [stdout] 207 | |                 &self.options.db_options,
[INFO] [stdout] 208 | |                 &result,
[INFO] [stdout] 209 | |                 &PathBuf::from(&self.options.output_path),
[INFO] [stdout] 210 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let _ = write_sstable_at_path(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/storage/sorted_string_table_reader.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             reader.read_at(&mut buffer, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let _ = reader.read_at(&mut buffer, 0);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/sorted_string_table_reader.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         self.reader.read_at(&mut buffer, self.offset as u64);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let _ = self.reader.read_at(&mut buffer, self.offset as u64);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/storage/sorted_string_table_writer.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         create_dir_all(path.parent().unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = create_dir_all(path.parent().unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/sorted_string_table_writer.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             reader.read_at(&mut buffer, i * options.block_size_in_bytes as u64);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let _ = reader.read_at(&mut buffer, i * options.block_size_in_bytes as u64);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.18s
[INFO] running `Command { std: "docker" "inspect" "2a2527157c69fe55222564a88704a81541d99a3a1c9f55140b18dec157f191ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2527157c69fe55222564a88704a81541d99a3a1c9f55140b18dec157f191ef", kill_on_drop: false }`
[INFO] [stdout] 2a2527157c69fe55222564a88704a81541d99a3a1c9f55140b18dec157f191ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b1042c81209988ad2b8f8840425f609b9feb261a92441b63d06e0d294e0862
[INFO] running `Command { std: "docker" "start" "-a" "25b1042c81209988ad2b8f8840425f609b9feb261a92441b63d06e0d294e0862", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/sparse_index.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::Errors`
[INFO] [stdout]  --> src/storage/compaction/basic/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::errors::Errors;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_sstable`
[INFO] [stdout]  --> src/storage/compaction/basic/mod.rs:7:50
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::storage::sorted_string_table_writer::{write_sstable, write_sstable_at_path};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/storage/compaction/basic/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::resume_unwind`
[INFO] [stdout]   --> src/storage/compaction/basic/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::panic::resume_unwind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Record`
[INFO] [stdout]  --> src/storage/sorted_string_table_reader.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::storage::block::{to_record_type, Record, RecordType, Value};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/persistence.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn delete(&mut self, key: &K) -> Result<(), Errors> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/storage/block.rs:246:21
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 for i in 0..record.data_size_in_bytes {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `available_space_in_bytes` is never read
[INFO] [stdout]    --> src/storage/block.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |             available_space_in_bytes = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut count: u64 = 0;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_sstable_handle`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let mut output_sstable_handle = output_sstable_result.unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_sstable_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |             for i in 0..size {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut count: u64 = 0;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let mut output_sstable_handle = output_sstable_result.unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/storage/sorted_string_table_reader.rs:18:38
[INFO] [stdout]    |
[INFO] [stdout] 18 |         return value_result.map_err(|err| Errors::RECORD_DESERIALIZATION_FAILED);
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/sorted_string_table_reader.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut previous_buffer_offset = self.buffer_offset;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `strategy` is never used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl BasicCompaction {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 118 |     fn strategy(&self) -> CompactionStrategy {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/storage/compaction/basic/errors.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CompactionError(CompactionErrors);
[INFO] [stdout]    |            --------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dharma.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             db.put(key, value);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let _ = db.put(key, value);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dharma.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         self.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let _ = self.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             remove_file(table_path);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |             let _ = remove_file(table_path);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         self.log.cleanup();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let _ = self.log.cleanup();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 file_handle.write(&final_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let _ = file_handle.write(&final_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:250:17
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 file_handle.write(padding_bytes.as_slice());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let _ = file_handle.write(padding_bytes.as_slice());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 file_handle.write(&type_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 let _ = file_handle.write(&type_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 file_handle.write(&size_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let _ = file_handle.write(&size_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 file_handle.write(data_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let _ = file_handle.write(data_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             file_handle.write(&type_bytes);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 279 |             let _ = file_handle.write(&type_bytes);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |             file_handle.write(&size_bytes);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = file_handle.write(&size_bytes);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |             file_handle.write(padding.as_slice());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 281 |             let _ = file_handle.write(padding.as_slice());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |             file_handle.write(padding.as_slice());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 287 |             let _ = file_handle.write(padding.as_slice());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 create_dir_all(output_path.parent().unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 let _ = create_dir_all(output_path.parent().unwrap());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 | /             write_sstable_at_path(
[INFO] [stdout] 207 | |                 &self.options.db_options,
[INFO] [stdout] 208 | |                 &result,
[INFO] [stdout] 209 | |                 &PathBuf::from(&self.options.output_path),
[INFO] [stdout] 210 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let _ = write_sstable_at_path(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/storage/sorted_string_table_reader.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             reader.read_at(&mut buffer, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let _ = reader.read_at(&mut buffer, 0);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/sorted_string_table_reader.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         self.reader.read_at(&mut buffer, self.offset as u64);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let _ = self.reader.read_at(&mut buffer, self.offset as u64);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/storage/sorted_string_table_writer.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         create_dir_all(path.parent().unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = create_dir_all(path.parent().unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/sorted_string_table_writer.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             reader.read_at(&mut buffer, i * options.block_size_in_bytes as u64);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let _ = reader.read_at(&mut buffer, i * options.block_size_in_bytes as u64);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling dharmadb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/sparse_index.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::Errors`
[INFO] [stdout]  --> src/storage/compaction/basic/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::errors::Errors;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_sstable`
[INFO] [stdout]  --> src/storage/compaction/basic/mod.rs:7:50
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::storage::sorted_string_table_writer::{write_sstable, write_sstable_at_path};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/storage/compaction/basic/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::resume_unwind`
[INFO] [stdout]   --> src/storage/compaction/basic/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::panic::resume_unwind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Record`
[INFO] [stdout]  --> src/storage/sorted_string_table_reader.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::storage::block::{to_record_type, Record, RecordType, Value};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::options::DharmaOpts`
[INFO] [stdout]  --> src/storage/sstable_test.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use crate::options::DharmaOpts;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `read_sstable` and `write_sstable`
[INFO] [stdout]  --> src/storage/sstable_test.rs:4:54
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use crate::storage::sorted_string_table_writer::{read_sstable, write_sstable};
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer` and `Serializer`
[INFO] [stdout]  --> src/storage/sstable_test.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stdout]   |                              ^^^^^^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/storage/sstable_test.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use std::path::Path;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/basic_compaction_test.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut data_1 = get_test_data_in_range(0, 200);
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     remove_dir_all(&sstable_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _ = remove_dir_all(&sstable_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     remove_dir_all(&compaction_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = remove_dir_all(&compaction_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     create_dir(&sstable_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let _ = create_dir(&sstable_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     remove_file(&wal_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _ = remove_file(&wal_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected_data`
[INFO] [stdout]   --> tests/dharma_test.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let expected_data = data.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     remove_dir_all(&sstable_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _ = remove_dir_all(&sstable_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     remove_dir_all(&compaction_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = remove_dir_all(&compaction_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     create_dir(&sstable_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let _ = create_dir(&sstable_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     remove_file(&wal_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _ = remove_file(&wal_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/dharma_test.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut db_result: Result<Dharma<TestKey, TestValue>, Errors> = Dharma::create(options.clone());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/dharma_test.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut db_result: Result<Dharma<TestKey, TestValue>, Errors> = Dharma::create(options.clone());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/dharma_test.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         db.put(key, value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let _ = db.put(key, value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/dharma_test.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         db.put(key, value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = db.put(key, value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/persistence.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn delete(&mut self, key: &K) -> Result<(), Errors> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/dharma_test.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         db.put(key, value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let _ = db.put(key, value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/dharma_test.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     db.flush();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let _ = db.flush();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/dharma_test.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         db.put(key, value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let _ = db.put(key, value);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/dharma_test.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         wal.append(key, value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let _ = wal.append(key, value);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/dharma_test.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         wal.append(key, value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let _ = wal.append(key, value);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     remove_dir_all(&sstable_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _ = remove_dir_all(&sstable_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     remove_dir_all(&compaction_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = remove_dir_all(&compaction_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     create_dir(&sstable_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let _ = create_dir(&sstable_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     remove_file(&wal_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _ = remove_file(&wal_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_test_data_in_range` is never used
[INFO] [stdout]   --> tests/common/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_test_data_in_range(start: u32, end: u32) -> Vec<(TestKey, TestValue)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_paths` is never used
[INFO] [stdout]   --> tests/common/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn cleanup_paths(options: &DharmaOpts) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/storage/block.rs:246:21
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 for i in 0..record.data_size_in_bytes {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `available_space_in_bytes` is never read
[INFO] [stdout]    --> src/storage/block.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |             available_space_in_bytes = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     remove_dir_all(&sstable_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _ = remove_dir_all(&sstable_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut count: u64 = 0;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_sstable_handle`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let mut output_sstable_handle = output_sstable_result.unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_sstable_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |             for i in 0..size {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     remove_dir_all(&compaction_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = remove_dir_all(&compaction_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut count: u64 = 0;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let mut output_sstable_handle = output_sstable_result.unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/storage/sorted_string_table_reader.rs:18:38
[INFO] [stdout]    |
[INFO] [stdout] 18 |         return value_result.map_err(|err| Errors::RECORD_DESERIALIZATION_FAILED);
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     create_dir(&sstable_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let _ = create_dir(&sstable_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/common/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     remove_file(&wal_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _ = remove_file(&wal_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/sorted_string_table_reader.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut previous_buffer_offset = self.buffer_offset;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `strategy` is never used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl BasicCompaction {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] 118 |     fn strategy(&self) -> CompactionStrategy {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/storage/compaction/basic/errors.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CompactionError(CompactionErrors);
[INFO] [stdout]    |            --------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_test_data` is never used
[INFO] [stdout]   --> src/storage/sstable_test.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn create_test_data(start: u8, end: u8) -> Vec<(u8, TestData)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dharma.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             db.put(key, value);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let _ = db.put(key, value);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dharma.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         self.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let _ = self.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             remove_file(table_path);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |             let _ = remove_file(table_path);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         self.log.cleanup();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let _ = self.log.cleanup();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 file_handle.write(&final_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let _ = file_handle.write(&final_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:250:17
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 file_handle.write(padding_bytes.as_slice());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let _ = file_handle.write(padding_bytes.as_slice());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 file_handle.write(&type_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 let _ = file_handle.write(&type_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 file_handle.write(&size_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let _ = file_handle.write(&size_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 file_handle.write(data_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let _ = file_handle.write(data_bytes);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             file_handle.write(&type_bytes);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 279 |             let _ = file_handle.write(&type_bytes);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |             file_handle.write(&size_bytes);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let _ = file_handle.write(&size_bytes);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |             file_handle.write(padding.as_slice());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 281 |             let _ = file_handle.write(padding.as_slice());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/block.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |             file_handle.write(padding.as_slice());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 287 |             let _ = file_handle.write(padding.as_slice());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 create_dir_all(output_path.parent().unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 let _ = create_dir_all(output_path.parent().unwrap());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/compaction/basic/mod.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 | /             write_sstable_at_path(
[INFO] [stdout] 207 | |                 &self.options.db_options,
[INFO] [stdout] 208 | |                 &result,
[INFO] [stdout] 209 | |                 &PathBuf::from(&self.options.output_path),
[INFO] [stdout] 210 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let _ = write_sstable_at_path(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/storage/sorted_string_table_reader.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             reader.read_at(&mut buffer, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let _ = reader.read_at(&mut buffer, 0);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/sorted_string_table_reader.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         self.reader.read_at(&mut buffer, self.offset as u64);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let _ = self.reader.read_at(&mut buffer, self.offset as u64);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/storage/sorted_string_table_writer.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         create_dir_all(path.parent().unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = create_dir_all(path.parent().unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/storage/sorted_string_table_writer.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             reader.read_at(&mut buffer, i * options.block_size_in_bytes as u64);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let _ = reader.read_at(&mut buffer, i * options.block_size_in_bytes as u64);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.05s
[INFO] running `Command { std: "docker" "inspect" "25b1042c81209988ad2b8f8840425f609b9feb261a92441b63d06e0d294e0862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b1042c81209988ad2b8f8840425f609b9feb261a92441b63d06e0d294e0862", kill_on_drop: false }`
[INFO] [stdout] 25b1042c81209988ad2b8f8840425f609b9feb261a92441b63d06e0d294e0862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0b8fb4f6495c326b035e35c03b4dfd6d75b13f51a5d8e31933d425f2fa0b50d
[INFO] running `Command { std: "docker" "start" "-a" "f0b8fb4f6495c326b035e35c03b4dfd6d75b13f51a5d8e31933d425f2fa0b50d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/sparse_index.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::errors::Errors`
[INFO] [stderr]  --> src/storage/compaction/basic/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::errors::Errors;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `write_sstable`
[INFO] [stderr]  --> src/storage/compaction/basic/mod.rs:7:50
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::storage::sorted_string_table_writer::{write_sstable, write_sstable_at_path};
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/storage/compaction/basic/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::panic::resume_unwind`
[INFO] [stderr]   --> src/storage/compaction/basic/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::panic::resume_unwind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Record`
[INFO] [stderr]  --> src/storage/sorted_string_table_reader.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::storage::block::{to_record_type, Record, RecordType, Value};
[INFO] [stderr]   |                                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/persistence.rs:189:30
[INFO] [stderr]     |
[INFO] [stderr] 189 |     pub fn delete(&mut self, key: &K) -> Result<(), Errors> {
[INFO] [stderr]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/storage/block.rs:246:21
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 for i in 0..record.data_size_in_bytes {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `available_space_in_bytes` is never read
[INFO] [stderr]    --> src/storage/block.rs:288:13
[INFO] [stderr]     |
[INFO] [stderr] 288 |             available_space_in_bytes = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/storage/compaction/basic/mod.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let mut count: u64 = 0;
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_sstable_handle`
[INFO] [stderr]    --> src/storage/compaction/basic/mod.rs:151:21
[INFO] [stderr]     |
[INFO] [stderr] 151 |             let mut output_sstable_handle = output_sstable_result.unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_sstable_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/storage/compaction/basic/mod.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |             for i in 0..size {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/compaction/basic/mod.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let mut count: u64 = 0;
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/compaction/basic/mod.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |             let mut output_sstable_handle = output_sstable_result.unwrap();
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/storage/sorted_string_table_reader.rs:18:38
[INFO] [stderr]    |
[INFO] [stderr] 18 |         return value_result.map_err(|err| Errors::RECORD_DESERIALIZATION_FAILED);
[INFO] [stderr]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/sorted_string_table_reader.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let mut previous_buffer_offset = self.buffer_offset;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `strategy` is never used
[INFO] [stderr]    --> src/storage/compaction/basic/mod.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 117 | impl BasicCompaction {
[INFO] [stderr]     | -------------------- method in this implementation
[INFO] [stderr] 118 |     fn strategy(&self) -> CompactionStrategy {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/storage/compaction/basic/errors.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct CompactionError(CompactionErrors);
[INFO] [stderr]    |            --------------- ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/dharma.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             db.put(key, value);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let _ = db.put(key, value);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/dharma.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         self.flush();
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let _ = self.flush();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/persistence.rs:228:13
[INFO] [stderr]     |
[INFO] [stderr] 228 |             remove_file(table_path);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let _ = remove_file(table_path);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/persistence.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         self.log.cleanup();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let _ = self.log.cleanup();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:249:17
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 file_handle.write(&final_bytes);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 let _ = file_handle.write(&final_bytes);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 file_handle.write(padding_bytes.as_slice());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 let _ = file_handle.write(padding_bytes.as_slice());
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:258:17
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 file_handle.write(&type_bytes);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 let _ = file_handle.write(&type_bytes);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 file_handle.write(&size_bytes);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 let _ = file_handle.write(&size_bytes);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:261:17
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 file_handle.write(data_bytes);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 let _ = file_handle.write(data_bytes);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 |             file_handle.write(&type_bytes);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 279 |             let _ = file_handle.write(&type_bytes);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:280:13
[INFO] [stderr]     |
[INFO] [stderr] 280 |             file_handle.write(&size_bytes);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 280 |             let _ = file_handle.write(&size_bytes);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:281:13
[INFO] [stderr]     |
[INFO] [stderr] 281 |             file_handle.write(padding.as_slice());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 281 |             let _ = file_handle.write(padding.as_slice());
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/block.rs:287:13
[INFO] [stderr]     |
[INFO] [stderr] 287 |             file_handle.write(padding.as_slice());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 287 |             let _ = file_handle.write(padding.as_slice());
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/compaction/basic/mod.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 create_dir_all(output_path.parent().unwrap());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let _ = create_dir_all(output_path.parent().unwrap());
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/compaction/basic/mod.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 | /             write_sstable_at_path(
[INFO] [stderr] 207 | |                 &self.options.db_options,
[INFO] [stderr] 208 | |                 &result,
[INFO] [stderr] 209 | |                 &PathBuf::from(&self.options.output_path),
[INFO] [stderr] 210 | |             );
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 206 |             let _ = write_sstable_at_path(
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/storage/sorted_string_table_reader.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             reader.read_at(&mut buffer, 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let _ = reader.read_at(&mut buffer, 0);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/sorted_string_table_reader.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         self.reader.read_at(&mut buffer, self.offset as u64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let _ = self.reader.read_at(&mut buffer, self.offset as u64);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/storage/sorted_string_table_writer.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         create_dir_all(path.parent().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let _ = create_dir_all(path.parent().unwrap());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/storage/sorted_string_table_writer.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             reader.read_at(&mut buffer, i * options.block_size_in_bytes as u64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let _ = reader.read_at(&mut buffer, i * options.block_size_in_bytes as u64);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dharmadb` (lib) generated 37 warnings (run `cargo fix --lib -p dharmadb` to apply 9 suggestions)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/common/mod.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     remove_dir_all(&sstable_dir);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let _ = remove_dir_all(&sstable_dir);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/common/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     remove_dir_all(&compaction_path);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let _ = remove_dir_all(&compaction_path);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/common/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     create_dir(&sstable_dir);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let _ = create_dir(&sstable_dir);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/common/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     remove_file(&wal_path);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let _ = remove_file(&wal_path);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/basic_compaction_test.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |     let mut data_1 = get_test_data_in_range(0, 200);
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected_data`
[INFO] [stderr]   --> tests/dharma_test.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let expected_data = data.clone();
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/dharma_test.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let mut db_result: Result<Dharma<TestKey, TestValue>, Errors> = Dharma::create(options.clone());
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/dharma_test.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let mut db_result: Result<Dharma<TestKey, TestValue>, Errors> = Dharma::create(options.clone());
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/dharma_test.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         db.put(key, value);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let _ = db.put(key, value);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/dharma_test.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         db.put(key, value);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let _ = db.put(key, value);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/dharma_test.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         db.put(key, value);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let _ = db.put(key, value);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/dharma_test.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     db.flush();
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let _ = db.flush();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/dharma_test.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         db.put(key, value);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let _ = db.put(key, value);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/dharma_test.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |         wal.append(key, value);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let _ = wal.append(key, value);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/dharma_test.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         wal.append(key, value);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let _ = wal.append(key, value);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/common/mod.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     remove_dir_all(&sstable_dir);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let _ = remove_dir_all(&sstable_dir);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::options::DharmaOpts`
[INFO] [stderr]  --> src/storage/sstable_test.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use crate::options::DharmaOpts;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `read_sstable` and `write_sstable`
[INFO] [stderr]  --> src/storage/sstable_test.rs:4:54
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use crate::storage::sorted_string_table_writer::{read_sstable, write_sstable};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserializer` and `Serializer`
[INFO] [stderr]  --> src/storage/sstable_test.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]   |                              ^^^^^^^^^^^^             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/storage/sstable_test.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     use std::path::Path;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_test_data` is never used
[INFO] [stderr]   --> src/storage/sstable_test.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn create_test_data(start: u8, end: u8) -> Vec<(u8, TestData)> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_test_data_in_range` is never used
[INFO] [stderr]   --> tests/common/mod.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn get_test_data_in_range(start: u32, end: u32) -> Vec<(TestKey, TestValue)> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `cleanup_paths` is never used
[INFO] [stderr]   --> tests/common/mod.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn cleanup_paths(options: &DharmaOpts) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dharmadb` (test "persistence_test") generated 4 warnings
[INFO] [stderr] warning: `dharmadb` (test "basic_compaction_test") generated 5 warnings (4 duplicates) (run `cargo fix --test "basic_compaction_test"` to apply 1 suggestion)
[INFO] [stderr] warning: `dharmadb` (test "dharma_test") generated 14 warnings (3 duplicates) (run `cargo fix --test "dharma_test"` to apply 2 suggestions)
[INFO] [stderr] warning: `dharmadb` (lib test) generated 42 warnings (37 duplicates) (run `cargo fix --lib -p dharmadb --tests` to apply 4 suggestions)
[INFO] [stderr] warning: `dharmadb` (test "sorted_string_table_test") generated 6 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dharmadb-92757ae745ddbd10)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test options::tests::test_default_options ... ok
[INFO] [stdout] test storage::compaction::basic::tests::test_default_compaction_options ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_compaction_test.rs (/opt/rustwide/target/debug/deps/basic_compaction_test-ecc12361a10f74a0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_basic_compaction_ignores_delete_markers ... FAILED
[INFO] [stdout] test test_basic_compaction_with_tables_of_different_size ... FAILED
[INFO] [stdout] test test_basic_compaction_with_intersecting_values ... FAILED
[INFO] [stdout] test test_basic_compaction_with_tables_of_same_size ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_basic_compaction_ignores_delete_markers stdout ----
[INFO] [stdout] thread 'test_basic_compaction_ignores_delete_markers' panicked at tests/basic_compaction_test.rs:151:5:
[INFO] [stderr] error: test failed, to rerun pass `--test basic_compaction_test`
[INFO] [stdout] assertion failed: maybe_compaction_path.is_some()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61521e5498ca - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x61521e5498ca - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x61521e5498ca - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61521e5498ca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61521e570093 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x61521e570093 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x61521e546343 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x61521e549712 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x61521e54ad4d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x61521e54ab57 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x61521e501e07 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x61521e501e07 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x61521e54b3f8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x61521e54b3f8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x61521e54b186 - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:667:13
[INFO] [stdout]   15:     0x61521e549da9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x61521e54ae4c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x61521e49cc20 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x61521e49ccac - core::panicking::panic::hbb5c236a846c507c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:148:5
[INFO] [stdout]   19:     0x61521e4c2478 - basic_compaction_test::test_basic_compaction_ignores_delete_markers::h388aaca5c74f53ac
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_compaction_test.rs:151:5
[INFO] [stdout]   20:     0x61521e4c1ef7 - basic_compaction_test::test_basic_compaction_ignores_delete_markers::{{closure}}::h78402890061d1304
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_compaction_test.rs:130:50
[INFO] [stdout]   21:     0x61521e4b3af6 - core::ops::function::FnOnce::call_once::h0d5db4bcae21da51
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x61521e50692b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x61521e50692b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   24:     0x61521e506318 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   25:     0x61521e506318 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x61521e506318 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x61521e506318 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x61521e506318 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x61521e506318 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   30:     0x61521e506318 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   31:     0x61521e4c9dba - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   32:     0x61521e4c9dba - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   33:     0x61521e4cd734 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   34:     0x61521e4cd734 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x61521e4cd734 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   36:     0x61521e4cd734 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   37:     0x61521e4cd734 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   38:     0x61521e4cd734 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   39:     0x61521e4cd734 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x61521e54fffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   41:     0x61521e54fffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x61521e54fffb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   43:     0x72b6ad4fdac3 - <unknown>
[INFO] [stdout]   44:     0x72b6ad58ea04 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_basic_compaction_with_tables_of_different_size stdout ----
[INFO] [stdout] thread 'test_basic_compaction_with_tables_of_different_size' panicked at tests/basic_compaction_test.rs:84:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 201
[INFO] [stdout]  right: 700
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61521e5498ca - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x61521e5498ca - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x61521e5498ca - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61521e5498ca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61521e570093 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x61521e570093 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x61521e546343 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x61521e549712 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x61521e54ad4d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x61521e54ab57 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x61521e501e07 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x61521e501e07 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x61521e54b3f8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x61521e54b3f8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x61521e54b1ba - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x61521e549da9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x61521e54ae4c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x61521e49cc20 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x61521e49cf4b - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x61521e51c364 - core::panicking::assert_failed::h8d0c6baf75a53b4f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x61521e4c0f2e - basic_compaction_test::test_basic_compaction_with_tables_of_different_size::heb324e9cb957d548
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_compaction_test.rs:84:5
[INFO] [stdout]   21:     0x61521e4c06d7 - basic_compaction_test::test_basic_compaction_with_tables_of_different_size::{{closure}}::h1fd5689d552e92b4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_compaction_test.rs:53:57
[INFO] [stdout]   22:     0x61521e4b3cd6 - core::ops::function::FnOnce::call_once::h6b93c428d9c0a24b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x61521e50692b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61521e50692b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x61521e506318 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x61521e506318 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x61521e506318 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x61521e506318 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x61521e506318 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x61521e506318 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x61521e506318 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x61521e4c9dba - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x61521e4c9dba - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x61521e4cd734 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x61521e4cd734 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x61521e4cd734 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x61521e4cd734 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x61521e4cd734 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x61521e4cd734 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x61521e4cd734 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x61521e54fffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x61521e54fffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x61521e54fffb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x72b6ad4fdac3 - <unknown>
[INFO] [stdout]   45:     0x72b6ad58ea04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_basic_compaction_with_intersecting_values stdout ----
[INFO] [stdout] thread 'test_basic_compaction_with_intersecting_values' panicked at tests/basic_compaction_test.rs:122:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 200
[INFO] [stdout]  right: 220
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61521e5498ca - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x61521e5498ca - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x61521e5498ca - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61521e5498ca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61521e570093 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x61521e570093 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x61521e546343 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x61521e549712 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x61521e54ad4d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x61521e54ab57 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x61521e501e07 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x61521e501e07 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x61521e54b3f8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x61521e54b3f8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x61521e54b1ba - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x61521e549da9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x61521e54ae4c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x61521e49cc20 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x61521e49cf4b - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x61521e51c364 - core::panicking::assert_failed::h8d0c6baf75a53b4f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x61521e4c1b3d - basic_compaction_test::test_basic_compaction_with_intersecting_values::hd57e8abb31a73e2a
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_compaction_test.rs:122:5
[INFO] [stdout]   21:     0x61521e4c12e7 - basic_compaction_test::test_basic_compaction_with_intersecting_values::{{closure}}::hf618bd09b36497ec
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_compaction_test.rs:92:52
[INFO] [stdout]   22:     0x61521e4b3be6 - core::ops::function::FnOnce::call_once::h44c964245ca5372d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x61521e50692b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61521e50692b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x61521e506318 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x61521e506318 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x61521e506318 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x61521e506318 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x61521e506318 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x61521e506318 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x61521e506318 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x61521e4c9dba - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x61521e4c9dba - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x61521e4cd734 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x61521e4cd734 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x61521e4cd734 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x61521e4cd734 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x61521e4cd734 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x61521e4cd734 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x61521e4cd734 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x61521e54fffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x61521e54fffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x61521e54fffb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x72b6ad4fdac3 - <unknown>
[INFO] [stdout]   45:     0x72b6ad58ea04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_basic_compaction_with_tables_of_same_size stdout ----
[INFO] [stdout] thread 'test_basic_compaction_with_tables_of_same_size' panicked at tests/basic_compaction_test.rs:45:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 200
[INFO] [stdout]  right: 500
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61521e5498ca - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x61521e5498ca - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x61521e5498ca - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61521e5498ca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61521e570093 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x61521e570093 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x61521e546343 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x61521e549712 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x61521e54ad4d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x61521e54ab57 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x61521e501e07 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x61521e501e07 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x61521e54b3f8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x61521e54b3f8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x61521e54b1ba - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x61521e549da9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x61521e54ae4c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x61521e49cc20 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x61521e49cf4b - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x61521e51c364 - core::panicking::assert_failed::h8d0c6baf75a53b4f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x61521e4c030b - basic_compaction_test::test_basic_compaction_with_tables_of_same_size::h42f80b48780481fb
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_compaction_test.rs:45:5
[INFO] [stdout]   21:     0x61521e4bfab7 - basic_compaction_test::test_basic_compaction_with_tables_of_same_size::{{closure}}::h92a533b6af5d1b0a
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_compaction_test.rs:14:52
[INFO] [stdout]   22:     0x61521e4b3dc6 - core::ops::function::FnOnce::call_once::hf12d16c6ba090317
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x61521e50692b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61521e50692b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x61521e506318 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x61521e506318 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x61521e506318 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x61521e506318 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x61521e506318 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x61521e506318 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x61521e506318 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x61521e4c9dba - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x61521e4c9dba - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x61521e4cd734 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x61521e4cd734 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x61521e4cd734 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x61521e4cd734 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x61521e4cd734 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x61521e4cd734 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x61521e4cd734 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x61521e54fffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x61521e54fffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x61521e54fffb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x72b6ad4fdac3 - <unknown>
[INFO] [stdout]   45:     0x72b6ad58ea04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_basic_compaction_ignores_delete_markers
[INFO] [stdout]     test_basic_compaction_with_intersecting_values
[INFO] [stdout]     test_basic_compaction_with_tables_of_different_size
[INFO] [stdout]     test_basic_compaction_with_tables_of_same_size
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0b8fb4f6495c326b035e35c03b4dfd6d75b13f51a5d8e31933d425f2fa0b50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b8fb4f6495c326b035e35c03b4dfd6d75b13f51a5d8e31933d425f2fa0b50d", kill_on_drop: false }`
[INFO] [stdout] f0b8fb4f6495c326b035e35c03b4dfd6d75b13f51a5d8e31933d425f2fa0b50d
