[INFO] cloning repository https://github.com/SilvioPilato/Hash-Index-KV-Store
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SilvioPilato/Hash-Index-KV-Store" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilvioPilato%2FHash-Index-KV-Store", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilvioPilato%2FHash-Index-KV-Store'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f09ab6e2396ff17f55449715cc59c247293b32bd
[INFO] testing SilvioPilato/Hash-Index-KV-Store against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilvioPilato%2FHash-Index-KV-Store" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SilvioPilato/Hash-Index-KV-Store
[INFO] finished tweaking git repo https://github.com/SilvioPilato/Hash-Index-KV-Store
[INFO] tweaked toml for git repo https://github.com/SilvioPilato/Hash-Index-KV-Store written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SilvioPilato/Hash-Index-KV-Store on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SilvioPilato/Hash-Index-KV-Store 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" "+f9988fefd3add01f414f52b414308e7872622fee" "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 fs2 v0.4.3
[INFO] [stderr]   Downloaded arc-swap v1.9.1
[INFO] [stderr]   Downloaded redis v0.27.6
[INFO] [stderr]   Downloaded sled v0.34.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30cc399dce2c90a6616b7b0cf9d28089dc8e947150ecc82a4885f905fc33d381
[INFO] running `Command { std: "docker" "start" "-a" "30cc399dce2c90a6616b7b0cf9d28089dc8e947150ecc82a4885f905fc33d381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30cc399dce2c90a6616b7b0cf9d28089dc8e947150ecc82a4885f905fc33d381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cc399dce2c90a6616b7b0cf9d28089dc8e947150ecc82a4885f905fc33d381", kill_on_drop: false }`
[INFO] [stdout] 30cc399dce2c90a6616b7b0cf9d28089dc8e947150ecc82a4885f905fc33d381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d7c29fc826bf62936267081fb4503a9bc1d15bac8cd23e0f57d4bdec5c67a72
[INFO] running `Command { std: "docker" "start" "-a" "3d7c29fc826bf62936267081fb4503a9bc1d15bac8cd23e0f57d4bdec5c67a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
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[INFO] [stderr]    Compiling libc v0.2.186
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[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling arc-swap v1.9.1
[INFO] [stderr]    Compiling ryu v1.0.23
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[INFO] [stderr]    Compiling num-bigint v0.4.6
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[INFO] [stderr]    Compiling tinystr v0.8.3
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[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling redis v0.27.6
[INFO] [stderr]    Compiling rustikv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.68s
[INFO] running `Command { std: "docker" "inspect" "3d7c29fc826bf62936267081fb4503a9bc1d15bac8cd23e0f57d4bdec5c67a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7c29fc826bf62936267081fb4503a9bc1d15bac8cd23e0f57d4bdec5c67a72", kill_on_drop: false }`
[INFO] [stdout] 3d7c29fc826bf62936267081fb4503a9bc1d15bac8cd23e0f57d4bdec5c67a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f298cc1f8e43fa6f54cfa1789a3526e07eb96de51f24de58f111219ebb2594
[INFO] running `Command { std: "docker" "start" "-a" "12f298cc1f8e43fa6f54cfa1789a3526e07eb96de51f24de58f111219ebb2594", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustikv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/worker.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut db = KVEngine::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: variable does not need to be mutable
[INFO] [stdout]   --> tests/worker.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut db = KVEngine::new(
[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]   --> tests/lsmengine.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/lsmengine.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]   --> tests/lsmengine.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]   --> tests/lsmengine.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:285:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut engine = new_engine(&dir, "test", 1).unwrap(); // threshold=1 flushes immediately
[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]    --> tests/lsmengine.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut engine = engine_from_dir(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:304:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |         let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |     let mut engine = new_engine(&dir, "test", 1).unwrap(); // threshold=1, every write flushes
[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]    --> tests/lsmengine.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |     let mut engine = new_engine(&dir, "test", 1).unwrap(); // threshold=1, every write flushes
[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]    --> tests/lsmengine.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |     let mut engine = new_engine(&dir, "test", 1).unwrap(); // threshold=1, flushes on set
[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]    --> tests/lsmengine.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:436:9
[INFO] [stdout]     |
[INFO] [stdout] 436 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:553:9
[INFO] [stdout]     |
[INFO] [stdout] 553 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/lsmengine.rs:556:9
[INFO] [stdout]     |
[INFO] [stdout] 556 |     let mut engine = engine_from_dir(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/lsmengine.rs:607:9
[INFO] [stdout]     |
[INFO] [stdout] 607 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]   --> tests/hint.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut db = KVEngine::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: variable does not need to be mutable
[INFO] [stdout]    --> tests/hint.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let mut db = KVEngine::new(
[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]    --> tests/hint.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut db = KVEngine::new(
[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]    --> tests/hint.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let mut db = KVEngine::new(
[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]    --> tests/hint.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::Always).unwrap();
[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]   --> tests/db.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut db = KVEngine::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: variable does not need to be mutable
[INFO] [stdout]   --> tests/db.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut db = KVEngine::new(
[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]   --> tests/db.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut db = KVEngine::new(
[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]   --> tests/db.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut db = KVEngine::new(
[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]   --> tests/db.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::Always).unwrap();
[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]    --> tests/db.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::Always).unwrap();
[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]    --> tests/db.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::Always).unwrap();
[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]    --> tests/db.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::EveryN(2)).unwrap();
[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]    --> tests/db.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let mut db = KVEngine::new(
[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]    --> tests/db.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |     let mut db = KVEngine::new(
[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]   --> tests/leveled.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/leveled.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:281:13
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:468:13
[INFO] [stdout]     |
[INFO] [stdout] 468 |         let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:488:13
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:492:13
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let mut engine = engine_from_dir(&dir, "test", BIG_MEMTABLE).unwrap();
[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]    --> tests/leveled.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[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]    --> tests/leveled.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "12f298cc1f8e43fa6f54cfa1789a3526e07eb96de51f24de58f111219ebb2594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f298cc1f8e43fa6f54cfa1789a3526e07eb96de51f24de58f111219ebb2594", kill_on_drop: false }`
[INFO] [stdout] 12f298cc1f8e43fa6f54cfa1789a3526e07eb96de51f24de58f111219ebb2594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46229a40a7257db76846f3b1cad8c4eb5602795f75c1c1bc4172f35b7a9b5f76
[INFO] running `Command { std: "docker" "start" "-a" "46229a40a7257db76846f3b1cad8c4eb5602795f75c1c1bc4172f35b7a9b5f76", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/worker.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut db = KVEngine::new(
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/worker.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let mut db = KVEngine::new(
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/hint.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut db = KVEngine::new(
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/hint.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let mut db = KVEngine::new(
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/hint.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut db = KVEngine::new(
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/hint.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/hint.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |     let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::Always).unwrap();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/leveled.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/leveled.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:281:13
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:306:9
[INFO] [stderr]     |
[INFO] [stderr] 306 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:321:9
[INFO] [stderr]     |
[INFO] [stderr] 321 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:330:9
[INFO] [stderr]     |
[INFO] [stderr] 330 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:353:9
[INFO] [stderr]     |
[INFO] [stderr] 353 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:384:9
[INFO] [stderr]     |
[INFO] [stderr] 384 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:425:9
[INFO] [stderr]     |
[INFO] [stderr] 425 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:446:9
[INFO] [stderr]     |
[INFO] [stderr] 446 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:468:13
[INFO] [stderr]     |
[INFO] [stderr] 468 |         let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:492:13
[INFO] [stderr]     |
[INFO] [stderr] 492 |         let mut engine = engine_from_dir(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:505:9
[INFO] [stderr]     |
[INFO] [stderr] 505 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/leveled.rs:526:9
[INFO] [stderr]     |
[INFO] [stderr] 526 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `rustikv` (test "worker") generated 2 warnings (run `cargo fix --test "worker" -p rustikv` to apply 2 suggestions)
[INFO] [stderr] warning: `rustikv` (test "hint") generated 5 warnings (run `cargo fix --test "hint" -p rustikv` to apply 5 suggestions)
[INFO] [stderr] warning: `rustikv` (test "leveled") generated 26 warnings (run `cargo fix --test "leveled" -p rustikv` to apply 26 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/db.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut db = KVEngine::new(
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/db.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let mut db = KVEngine::new(
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/db.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut db = KVEngine::new(
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/db.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let mut db = KVEngine::new(
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/db.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut db = KVEngine::new(
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::Always).unwrap();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::Always).unwrap();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::Always).unwrap();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let mut db = KVEngine::new(&path, "test", 50, FSyncStrategy::EveryN(2)).unwrap();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:323:9
[INFO] [stderr]     |
[INFO] [stderr] 323 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:370:9
[INFO] [stderr]     |
[INFO] [stderr] 370 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/db.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |     let mut db = KVEngine::new(
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lsmengine.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lsmengine.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lsmengine.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lsmengine.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:257:13
[INFO] [stderr]     |
[INFO] [stderr] 257 |         let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |         let mut engine = new_engine(&dir, "test", 1).unwrap(); // threshold=1 flushes immediately
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let mut engine = engine_from_dir(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:304:13
[INFO] [stderr]     |
[INFO] [stderr] 304 |         let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:331:9
[INFO] [stderr]     |
[INFO] [stderr] 331 |     let mut engine = new_engine(&dir, "test", 1).unwrap(); // threshold=1, every write flushes
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:345:9
[INFO] [stderr]     |
[INFO] [stderr] 345 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:360:9
[INFO] [stderr]     |
[INFO] [stderr] 360 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:371:9
[INFO] [stderr]     |
[INFO] [stderr] 371 |     let mut engine = new_engine(&dir, "test", 1).unwrap(); // threshold=1, every write flushes
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:380:9
[INFO] [stderr]     |
[INFO] [stderr] 380 |     let mut engine = new_engine(&dir, "test", 1).unwrap(); // threshold=1, flushes on set
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:389:9
[INFO] [stderr]     |
[INFO] [stderr] 389 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:436:9
[INFO] [stderr]     |
[INFO] [stderr] 436 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:466:9
[INFO] [stderr]     |
[INFO] [stderr] 466 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:484:9
[INFO] [stderr]     |
[INFO] [stderr] 484 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:495:9
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:509:9
[INFO] [stderr]     |
[INFO] [stderr] 509 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:553:9
[INFO] [stderr]     |
[INFO] [stderr] 553 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:556:9
[INFO] [stderr]     |
[INFO] [stderr] 556 |     let mut engine = engine_from_dir(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:582:9
[INFO] [stderr]     |
[INFO] [stderr] 582 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:594:9
[INFO] [stderr]     |
[INFO] [stderr] 594 |     let mut engine = new_engine(&dir, "test", BIG_MEMTABLE).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/lsmengine.rs:607:9
[INFO] [stderr]     |
[INFO] [stderr] 607 |     let mut engine = new_engine(&dir, "test", 1).unwrap();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `rustikv` (test "db") generated 19 warnings (run `cargo fix --test "db" -p rustikv` to apply 19 suggestions)
[INFO] [stderr] warning: `rustikv` (test "lsmengine") generated 36 warnings (run `cargo fix --test "lsmengine" -p rustikv` to apply 36 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustikv-640b587a026b9f55)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/engbench.rs (/opt/rustwide/target/debug/deps/engbench-c75b948c03546d5d)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/kvbench.rs (/opt/rustwide/target/debug/deps/kvbench-8cb9b2c85720f71b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/lz77bench.rs (/opt/rustwide/target/debug/deps/lz77bench-116a68831d988bd6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/redis-compare.rs (/opt/rustwide/target/debug/deps/redis_compare-b1839d9d04fb7aae)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/rustikli.rs (/opt/rustwide/target/debug/deps/rustikli-380a6f262e96eff1)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustikv-d404a9cc86f7785e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/block_sstable.rs (/opt/rustwide/target/debug/deps/block_sstable-36a69d2489d92ec7)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test test_block_roundtrip_uncompressed ... ok
[INFO] [stdout] test test_block_header_serialization ... ok
[INFO] [stdout] test test_block_writer_exceeds_target_size ... ok
[INFO] [stdout] test test_block_writer_flush_produces_block ... ok
[INFO] [stdout] test test_block_roundtrip_compressed ... ok
[INFO] [stdout] test test_block_writer_flush_empty_produces_none ... ok
[INFO] [stdout] test test_block_header_big_endian ... ok
[INFO] [stdout] test test_block_header_roundtrip_zero ... ok
[INFO] [stdout] test test_sstable_from_memtable_blocks ... ok
[INFO] [stdout] test test_sstable_iter_blocks ... ok
[INFO] [stdout] test test_sstable_rebuild_index ... ok
[INFO] [stdout] test test_sstable_get_from_blocks ... ok
[INFO] [stdout] test test_lsm_block_missing_key_returns_none ... ok
[INFO] [stdout] test test_lsm_block_delete_hides_value ... ok
[INFO] [stdout] test test_sstable_get_missing_key ... ok
[INFO] [stdout] test test_lsm_block_compact_drops_deleted_keys ... ok
[INFO] [stdout] test test_lsm_block_overwrite_reads_latest ... ok
[INFO] [stdout] test test_lsm_block_set_get_across_sstable ... ok
[INFO] [stdout] test test_lsm_block_compact_preserves_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bloom.rs (/opt/rustwide/target/debug/deps/bloom-549959c55691d822)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test inserted_key_is_found ... ok
[INFO] [stdout] test missing_key_not_found ... ok
[INFO] [stdout] test multiple_inserted_keys_are_found ... ok
[INFO] [stdout] test different_hash_counts_all_work ... ok
[INFO] [stdout] test empty_filter_returns_false ... ok
[INFO] [stdout] test single_byte_filter_works ... ok
[INFO] [stdout] test no_false_negatives ... ok
[INFO] [stdout] test false_positive_rate_is_bounded ... ok
[INFO] [stderr]      Running tests/compact_async.rs (/opt/rustwide/target/debug/deps/compact_async-9fe0241e0d96fa4f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test stats_counters_increment ... ok
[INFO] [stderr]      Running tests/compact_tcp.rs (/opt/rustwide/target/debug/deps/compact_tcp-5085787703a8d789)
[INFO] [stdout] test stats_show_write_blocked_during_compaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.21s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test compact_command_over_tcp ... ok
[INFO] [stdout] test write_preserves_multiple_spaces_in_value ... ok
[INFO] [stdout] test write_preserves_leading_and_trailing_spaces_in_value ... ok
[INFO] [stdout] test write_preserves_tab_in_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/concurrency.rs (/opt/rustwide/target/debug/deps/concurrency-3329ce0b9a0a2f58)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test lsm_concurrent_writers ... ok
[INFO] [stdout] test lsm_concurrent_deletes_and_reads ... ok
[INFO] [stdout] test lsm_concurrent_readers ... ok
[INFO] [stdout] test lsm_concurrent_reads_and_writes ... ok
[INFO] [stdout] test lsm_concurrent_list_keys_during_writes ... ok
[INFO] [stdout] test kv_compact_during_reads_and_writes ... ok
[INFO] [stdout] test lsm_concurrent_range_scan_during_writes ... ok
[INFO] [stdout] test kv_concurrent_writes_with_segment_roll ... ok
[INFO] [stdout] test kv_concurrent_writers ... ok
[INFO] [stdout] test lsm_compact_during_reads_and_writes ... ok
[INFO] [stdout] test kv_concurrent_deletes_and_reads ... ok
[INFO] [stdout] test lsm_concurrent_writes_trigger_flush ... ok
[INFO] [stdout] test kv_concurrent_reads_and_writes ... ok
[INFO] [stdout] test kv_concurrent_readers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.56s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/crc.rs (/opt/rustwide/target/debug/deps/crc-cade91463a6c23f9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test valid_record_roundtrip ... ok
[INFO] [stdout] test known_test_vector ... ok
[INFO] [stdout] test corrupted_header_detected ... ok
[INFO] [stdout] test corrupted_value_detected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/db.rs (/opt/rustwide/target/debug/deps/db-ae7417f7a372acfb)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test exists_returns_false_for_missing_key ... ok
[INFO] [stdout] test compact_drops_deleted_keys ... ok
[INFO] [stdout] test exists_returns_false_after_delete ... ok
[INFO] [stdout] test exists_returns_true_after_set ... ok
[INFO] [stdout] test list_keys_deduplicates_overwritten_keys ... ok
[INFO] [stdout] test compact_preserves_values ... ok
[INFO] [stdout] test compact_keeps_latest_value ... ok
[INFO] [stdout] test compact_is_idempotent ... ok
[INFO] [stdout] test compact_merges_segments ... ok
[INFO] [stdout] test set_and_get ... ok
[INFO] [stdout] test list_keys_excludes_deleted_keys ... ok
[INFO] [stdout] test list_keys_returns_all_live_keys ... ok
[INFO] [stdout] test segment_rolls_when_full ... ok
[INFO] [stdout] test set_overwrite ... ok
[INFO] [stdout] test list_keys_empty_db ... ok
[INFO] [stdout] test sync_never_delete_works ... ok
[INFO] [stdout] test from_dir_loads_all_segments ... ok
[INFO] [stdout] test sync_every_n_writes_are_readable ... ok
[INFO] [stdout] test sync_every_n_compaction_preserves_data ... ok
[INFO] [stdout] test sync_never_writes_are_readable ... ok
[INFO] [stdout] test get_missing_key ... ok
[INFO] [stdout] test concurrent_reads_and_writes ... ok
[INFO] [stdout] test concurrent_delete_and_read ... ok
[INFO] [stdout] test concurrent_overwrite_last_writer_wins ... ok
[INFO] [stdout] test concurrent_writes_no_lost_keys ... ok
[INFO] [stdout] test concurrent_reads_return_correct_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.54s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hint.rs (/opt/rustwide/target/debug/deps/hint-53742ec3d036f964)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test hint_read_empty_file ... ok
[INFO] [stdout] test hint_entry_round_trip ... ok
[INFO] [stdout] test compaction_cleans_up_old_hint_files ... ok
[INFO] [stdout] test from_dir_loads_via_hint_files ... ok
[INFO] [stdout] test from_dir_falls_back_without_hint_files ... ok
[INFO] [stdout] test compaction_produces_hint_files ... ok
[INFO] [stdout] test hint_files_with_multi_segment_compaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/leveled.rs (/opt/rustwide/target/debug/deps/leveled-c885928e2d8fa15d)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test exists_returns_false_after_delete ... ok
[INFO] [stdout] test delete_nonexistent_key ... ok
[INFO] [stdout] test exists_returns_false_for_missing_key ... ok
[INFO] [stdout] test delete_removes_key ... ok
[INFO] [stdout] test exists_returns_true_after_set ... ok
[INFO] [stdout] test get_missing_key ... ok
[INFO] [stdout] test parse_level_0_filename ... ok
[INFO] [stdout] test list_keys_excludes_deleted_keys ... ok
[INFO] [stdout] test list_keys_returns_all_live_keys ... ok
[INFO] [stdout] test parse_leveled_filename ... ok
[INFO] [stdout] test parse_non_leveled_filename ... ok
[INFO] [stdout] test memtable_flushes_to_sstable ... ok
[INFO] [stdout] test range_basic_memtable ... ok
[INFO] [stdout] test list_keys_spans_memtable_and_segments ... ok
[INFO] [stdout] test exists_returns_true_for_flushed_key ... ok
[INFO] [stdout] test compact_drops_deleted_keys ... ok
[INFO] [stdout] test from_dir_reloads_segments ... ok
[INFO] [stdout] test range_tombstone_suppression ... ok
[INFO] [stdout] test compact_is_idempotent ... ok
[INFO] [stdout] test delete_shadows_flushed_value ... ok
[INFO] [stdout] test from_dir_preserves_level_in_filename ... ok
[INFO] [stdout] test set_and_get ... ok
[INFO] [stdout] test set_overwrite ... ok
[INFO] [stdout] test compact_keeps_latest_value ... ok
[INFO] [stdout] test reads_span_memtable_and_segments ... ok
[INFO] [stdout] test segment_count_after_compact ... ok
[INFO] [stdout] test wal_recovers_unflushed_writes ... ok
[INFO] [stdout] test compact_preserves_values ... ok
[INFO] [stdout] test wal_recovers_unflushed_delete ... ok
[INFO] [stdout] test range_spans_memtable_and_segment ... ok
[INFO] [stdout] test range_after_compaction ... ok
[INFO] [stdout] test from_dir_reloads_after_compaction ... ok
[INFO] [stdout] test compact_overwrites_keep_latest ... ok
[INFO] [stdout] test compact_many_keys_preserves_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lsmengine.rs (/opt/rustwide/target/debug/deps/lsmengine-e035bdaf04fc2814)
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test compact_keeps_latest_value ... ok
[INFO] [stdout] test compact_preserves_values ... ok
[INFO] [stdout] test compact_is_idempotent ... ok
[INFO] [stdout] test delete_nonexistent_key ... ok
[INFO] [stdout] test compact_reduces_segment_count ... ok
[INFO] [stdout] test delete_removes_key ... ok
[INFO] [stdout] test delete_shadows_flushed_value ... ok
[INFO] [stdout] test exists_returns_false_after_delete ... ok
[INFO] [stdout] test exists_returns_false_for_missing_key ... ok
[INFO] [stdout] test exists_returns_true_after_set ... ok
[INFO] [stdout] test get_missing_key ... ok
[INFO] [stdout] test list_keys_excludes_deleted_keys ... ok
[INFO] [stdout] test list_keys_returns_all_live_keys ... ok
[INFO] [stdout] test concurrent_delete_and_read ... ok
[INFO] [stdout] test concurrent_reads_and_writes ... ok
[INFO] [stdout] test exists_returns_true_for_flushed_key ... ok
[INFO] [stdout] test compact_drops_deleted_keys ... ok
[INFO] [stdout] test exists_returns_false_for_tombstoned_flushed_key ... ok
[INFO] [stdout] test list_keys_tombstone_in_memtable_hides_flushed_key ... ok
[INFO] [stdout] test range_basic_memtable ... ok
[INFO] [stdout] test range_empty_when_no_keys_in_range ... ok
[INFO] [stdout] test range_inverted_bounds_returns_empty ... ok
[INFO] [stdout] test range_tombstone_suppression ... ok
[INFO] [stdout] test range_returns_sorted_order ... ok
[INFO] [stdout] test set_and_get ... ok
[INFO] [stdout] test range_single_key ... ok
[INFO] [stdout] test list_keys_spans_memtable_and_segments ... ok
[INFO] [stdout] test set_overwrite ... ok
[INFO] [stdout] test range_inclusive_bounds ... ok
[INFO] [stdout] test wal_corrupt_tail_does_not_panic ... ok
[INFO] [stdout] test wal_is_absent_after_flush ... ok
[INFO] [stdout] test concurrent_overwrite_last_writer_wins ... ok
[INFO] [stdout] test range_tombstone_in_memtable_hides_flushed_key ... ok
[INFO] [stdout] test wal_recovers_unflushed_writes ... ok
[INFO] [stdout] test wal_recovers_unflushed_delete ... ok
[INFO] [stdout] test from_dir_reloads_segments ... ok
[INFO] [stdout] test reads_span_memtable_and_segments ... ok
[INFO] [stdout] test range_after_compaction ... ok
[INFO] [stdout] test memtable_flushes_to_sstable ... ok
[INFO] [stdout] test range_spans_memtable_and_segment ... ok
[INFO] [stdout] test concurrent_reads_return_correct_values ... ok
[INFO] [stdout] test concurrent_writes_no_lost_keys ... ok
[INFO] [stdout] test range_memtable_wins_over_segment ... ok
[INFO] [stderr]      Running tests/lz77.rs (/opt/rustwide/target/debug/deps/lz77-9a80bff18fbfd048)
[INFO] [stdout] test concurrent_writes_trigger_flush ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_lz77_empty ... ok
[INFO] [stdout] test test_lz77_long_repetition ... ok
[INFO] [stdout] test test_lz77_binary_data ... ok
[INFO] [stdout] test test_lz77_mixed_patterns ... ok
[INFO] [stdout] test test_lz77_pattern_at_boundary ... ok
[INFO] [stdout] test test_lz77_no_repetition ... ok
[INFO] [stdout] test test_lz77_roundtrip_highly_repetitive ... ok
[INFO] [stdout] test test_lz77_roundtrip_with_repetition ... ok
[INFO] [stdout] test test_lz77_roundtrip_simple ... ok
[INFO] [stdout] test test_lz77_random_data ... ok
[INFO] [stdout] test test_lz77_two_bytes ... ok
[INFO] [stdout] test test_lz77_roundtrip_large_data ... ok
[INFO] [stdout] test test_lz77_compression_ratio ... ok
[INFO] [stdout] test test_lz77_single_byte ... ok
[INFO] [stdout] test test_lz77_encode_large_repetitive_is_bounded ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test lz77`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_lz77_encode_large_repetitive_is_bounded stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_lz77_encode_large_repetitive_is_bounded' (926) panicked at tests/lz77.rs:142:5:
[INFO] [stdout] encoding 1 MB of identical bytes took 6.43730341s — expected < 3s (O(N*MAX_CHAIN)); O(N^2) indicates the chain-skip path is unbounded
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bfefa562b4a - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bfefa562b4a - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bfefa562b4a - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bfefa562b4a - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bfefa57695a - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bfefa57695a - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x5bfefa567382 - std[1209cfb42f6d497f]::io::default_write_fmt::<alloc[420bb310a727dfd7]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5bfefa567382 - <alloc[420bb310a727dfd7]::vec::Vec<u8> as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5bfefa541b4f - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bfefa541b4f - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5bfefa55afa9 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5bfefa4f313c - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5bfefa4f313c - test[59e67a9bc0e119f1]::test_main_inner::<test[59e67a9bc0e119f1]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5bfefa55b162 - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5bfefa55b162 - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5bfefa541c08 - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5bfefa536e19 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bfefa54291d - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5bfefa5770ac - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bfefa4e4b5f - lz77[7aa945dca960e17f]::test_lz77_encode_large_repetitive_is_bounded
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lz77.rs:142:5
[INFO] [stdout]   20:     0x5bfefa4e33d7 - lz77[7aa945dca960e17f]::test_lz77_encode_large_repetitive_is_bounded::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lz77.rs:130:50
[INFO] [stdout]   21:     0x5bfefa4e6316 - <lz77[7aa945dca960e17f]::test_lz77_encode_large_repetitive_is_bounded::{closure#0} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5bfefa4e641b - <fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5bfefa4e641b - test[59e67a9bc0e119f1]::__rust_begin_short_backtrace::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x5bfefa4f3c0b - test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x5bfefa4f3c0b - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x5bfefa4f3c0b - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5bfefa4f3c0b - std[1209cfb42f6d497f]::panicking::catch_unwind::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5bfefa4f3c0b - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5bfefa4f3c0b - test[59e67a9bc0e119f1]::run_test_in_process
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x5bfefa4f3c0b - test[59e67a9bc0e119f1]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x5bfefa4ed324 - test[59e67a9bc0e119f1]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x5bfefa4ed324 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x5bfefa4f6812 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x5bfefa4f6812 - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x5bfefa4f6812 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5bfefa4f6812 - std[1209cfb42f6d497f]::panicking::catch_unwind::<(), core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5bfefa4f6812 - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5bfefa4f6812 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x5bfefa4f6812 - <std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5bfefa56245f - <alloc[420bb310a727dfd7]::boxed::Box<dyn core[4a92201981c6b77a]::ops::function::FnOnce<(), Output = ()> + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   41:     0x5bfefa56245f - <std[1209cfb42f6d497f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x73b7f1cfdaa4 - <unknown>
[INFO] [stdout]   43:     0x73b7f1d8aa64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_lz77_encode_large_repetitive_is_bounded
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46229a40a7257db76846f3b1cad8c4eb5602795f75c1c1bc4172f35b7a9b5f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46229a40a7257db76846f3b1cad8c4eb5602795f75c1c1bc4172f35b7a9b5f76", kill_on_drop: false }`
[INFO] [stdout] 46229a40a7257db76846f3b1cad8c4eb5602795f75c1c1bc4172f35b7a9b5f76
