[INFO] fetching crate shorterDB 0.1.1... [INFO] building shorterDB-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate shorterDB 0.1.1 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate shorterDB 0.1.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate shorterDB 0.1.1 [INFO] tweaked toml for crates.io crate shorterDB 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate shorterDB 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate shorterDB 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prost-derive v0.12.6 [INFO] [stderr] Downloaded prost v0.12.6 [INFO] [stderr] Downloaded axum-core v0.3.4 [INFO] [stderr] Downloaded bit-vec v0.7.0 [INFO] [stderr] Downloaded clap v4.5.16 [INFO] [stderr] Downloaded bloomfilter v1.0.14 [INFO] [stderr] Downloaded prost-build v0.12.6 [INFO] [stderr] Downloaded pin-project v1.1.6 [INFO] [stderr] Downloaded tonic v0.11.0 [INFO] [stderr] Downloaded axum v0.6.20 [INFO] [stderr] Downloaded tower-http v0.4.4 [INFO] [stderr] Downloaded clap_builder v4.5.15 [INFO] [stderr] Downloaded tonic-build v0.11.0 [INFO] [stderr] Downloaded prost-types v0.12.6 [INFO] [stderr] Downloaded quote v1.0.36 [INFO] [stderr] Downloaded crossbeam-skiplist v0.1.3 [INFO] [stderr] Downloaded csv-core v0.1.11 [INFO] [stderr] Downloaded tonic-reflection v0.11.0 [INFO] [stderr] Downloaded pin-project-internal v1.1.6 [INFO] [stderr] Downloaded tonic-web v0.11.0 [INFO] [stderr] Downloaded csv v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e8c19013714b16e5c78491a6be7d9b47d98c57e982ce869e45ed4eaa327f91c8 [INFO] running `Command { std: "docker" "start" "-a" "e8c19013714b16e5c78491a6be7d9b47d98c57e982ce869e45ed4eaa327f91c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8c19013714b16e5c78491a6be7d9b47d98c57e982ce869e45ed4eaa327f91c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8c19013714b16e5c78491a6be7d9b47d98c57e982ce869e45ed4eaa327f91c8", kill_on_drop: false }` [INFO] [stdout] e8c19013714b16e5c78491a6be7d9b47d98c57e982ce869e45ed4eaa327f91c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 585d471a8d20b94d70a435c50665066faed1522547722cf839429e797c2bf594 [INFO] running `Command { std: "docker" "start" "-a" "585d471a8d20b94d70a435c50665066faed1522547722cf839429e797c2bf594", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling bytes v1.7.1 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] 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[INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DelRequest` is never constructed [INFO] [stdout] --> /opt/rustwide/target/debug/build/shorterDB-5609fd5baf707aa2/out/commands.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct DelRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.27s [INFO] running `Command { std: "docker" "inspect" "585d471a8d20b94d70a435c50665066faed1522547722cf839429e797c2bf594", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "585d471a8d20b94d70a435c50665066faed1522547722cf839429e797c2bf594", kill_on_drop: false }` [INFO] [stdout] 585d471a8d20b94d70a435c50665066faed1522547722cf839429e797c2bf594 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f36cb5a8fff9a16122737128260d0897a26dbf859bd8078cb25d637f9d01601a [INFO] running `Command { std: "docker" "start" "-a" "f36cb5a8fff9a16122737128260d0897a26dbf859bd8078cb25d637f9d01601a", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling shorterDB v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DelRequest` is never constructed [INFO] [stdout] --> /opt/rustwide/target/debug/build/shorterDB-5609fd5baf707aa2/out/commands.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct DelRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/kv/db.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{fs, io::Read}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/kv/sst.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | path::{self, Path, PathBuf}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader` and `Read` [INFO] [stdout] --> src/kv/sst.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{BufReader, Read}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/kv/sst.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/kv/sst.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let level = path.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut curr_level_size = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | let mut file = File::create_new(&path_of_kv_file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/kv/sst.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sst` [INFO] [stdout] --> src/kv/sst.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | for sst in ssts { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data_dir` is never read [INFO] [stdout] --> src/kv/db.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ShorterDB { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub(crate) data_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/kv/sst.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 26 | impl SST { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 169 | pub(crate) fn delete(&mut self, key: &[u8]) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/kv/wal.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 12 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_entries` is never used [INFO] [stdout] --> src/kv/wal.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 16 | impl WAL { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub(crate) fn read_entries(&self) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DelRequest` is never constructed [INFO] [stdout] --> /opt/rustwide/target/debug/build/shorterDB-5609fd5baf707aa2/out/commands.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct DelRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | fs::create_dir_all(&data_dir); // Ensure the data directory exists [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = fs::create_dir_all(&data_dir); // Ensure the data directory exists [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | self.wal.write(&entry); [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] 67 | let _ = self.wal.write(&entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/db.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.wal.write(&tombstone_entry); [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] 91 | let _ = self.wal.write(&tombstone_entry); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | create_dir(l0.clone()); [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] 35 | let _ = create_dir(l0.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kv/sst.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | file.unwrap().write_all(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 _ = file.unwrap().write_all(value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "f36cb5a8fff9a16122737128260d0897a26dbf859bd8078cb25d637f9d01601a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f36cb5a8fff9a16122737128260d0897a26dbf859bd8078cb25d637f9d01601a", kill_on_drop: false }` [INFO] [stdout] f36cb5a8fff9a16122737128260d0897a26dbf859bd8078cb25d637f9d01601a