[INFO] cloning repository https://github.com/Da1sypetals/Lsmkv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Da1sypetals/Lsmkv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDa1sypetals%2FLsmkv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDa1sypetals%2FLsmkv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44806825332a0a0bcd271901decd04030ac26b6c
[INFO] testing Da1sypetals/Lsmkv against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDa1sypetals%2FLsmkv" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Da1sypetals/Lsmkv
[INFO] finished tweaking git repo https://github.com/Da1sypetals/Lsmkv
[INFO] tweaked toml for git repo https://github.com/Da1sypetals/Lsmkv written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Da1sypetals/Lsmkv on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Da1sypetals/Lsmkv 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2574e92cb39d62c95e9a0f4d9f4028c3d848094d18fba68114279e7c01ef2aef
[INFO] running `Command { std: "docker" "start" "-a" "2574e92cb39d62c95e9a0f4d9f4028c3d848094d18fba68114279e7c01ef2aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2574e92cb39d62c95e9a0f4d9f4028c3d848094d18fba68114279e7c01ef2aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2574e92cb39d62c95e9a0f4d9f4028c3d848094d18fba68114279e7c01ef2aef", kill_on_drop: false }`
[INFO] [stdout] 2574e92cb39d62c95e9a0f4d9f4028c3d848094d18fba68114279e7c01ef2aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c801c532432884c22381c3861a6f26199201bd42c3b2db3f310235c842938c5
[INFO] running `Command { std: "docker" "start" "-a" "0c801c532432884c22381c3861a6f26199201bd42c3b2db3f310235c842938c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling zerocopy v0.8.17
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling winnow v0.7.1
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling sdd v3.0.7
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling farmhash v1.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling scc v2.3.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling is-terminal v0.4.15
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling tempfile v3.16.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling uuid-macro-internal v1.13.1
[INFO] [stderr]    Compiling pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling uuid v1.13.1
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.23
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling lsmkv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `atomic::AtomicU64`
[INFO] [stdout]  --> src/clock.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::{Mutex, atomic::AtomicU64},
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::timestamp`
[INFO] [stdout]  --> src/clock.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use uuid::timestamp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `disk::disk::LsmDisk`, `memory::LsmMemory`, `memtable::Memtable`, `signal::Signal`, and `tree::LsmTree`
[INFO] [stdout]  --> src/config/lsm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     disk::disk::LsmDisk,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     lsmtree::{signal::Signal, tree::LsmTree},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     memory::{memory::LsmMemory, memtable::Memtable},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::Queue`
[INFO] [stdout]  --> src/config/lsm.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use scc::Queue;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, `AtomicUsize`, `RwLock`, and `collections::VecDeque`
[INFO] [stdout]   --> src/config/lsm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     collections::VecDeque,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     sync::{
[INFO] [stdout] 12 |         atomic::{AtomicBool, AtomicUsize},
[INFO] [stdout]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 13 |         Arc, RwLock,
[INFO] [stdout]    |         ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/sst/search.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::Record`
[INFO] [stdout]  --> src/disk/sst/write.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     memory::{memtable::Memtable, types::Record},
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/sst/write.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BloomFilter`
[INFO] [stdout]  --> src/disk/sst/mod.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::disk::sst::search::{BloomFilter, Index};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/block.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::HashMap`
[INFO] [stdout]   --> src/disk/disk.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use scc::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::memory::MemoryConfig`
[INFO] [stdout]  --> src/lsmtree/tree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::config::memory::MemoryConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::sst::SstConfig`
[INFO] [stdout]  --> src/lsmtree/tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::config::sst::SstConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WalValue`
[INFO] [stdout]   --> src/lsmtree/tree.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::wal::wal::{Wal, WalValue};
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::SeedableRng`
[INFO] [stdout]   --> src/lsmtree/tree.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::SeedableRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]   --> src/lsmtree/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::rngs::StdRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]   --> src/lsmtree/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand::seq::SliceRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::Queue`
[INFO] [stdout]   --> src/lsmtree/tree.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use scc::Queue;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]   --> src/lsmtree/tree.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::collections::{BTreeMap, VecDeque};
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::thread`
[INFO] [stdout]   --> src/lsmtree/tree.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::os::unix::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool`, `AtomicUsize`, and `Ordering`
[INFO] [stdout]   --> src/lsmtree/tree.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]   --> src/lsmtree/tree.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tempfile::tempdir;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::clock::Clock`
[INFO] [stdout]  --> src/memory/memory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::clock::Clock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/memory/memory.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/memory/memory.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     collections::VecDeque,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/memory/memtable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/memory/types.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{borrow::Borrow, cmp::Ordering};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Key`
[INFO] [stdout]  --> src/transaction/transaction.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     memory::types::{Key, Record},
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::timestamp`
[INFO] [stdout]  --> src/transaction/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use uuid::timestamp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/wal/wal.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::log_record::LogRecord`
[INFO] [stdout]  --> src/wal/replay.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::log_record::LogRecord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_level_guard` is never used
[INFO] [stdout]   --> src/disk/manifest.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LevelManifest {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub(crate) fn from_level_guard(level: &Level) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/clock.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn tick_and_mark(&self) -> MarkerGuard {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn tick_and_mark(&self) -> MarkerGuard<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.66s
[INFO] running `Command { std: "docker" "inspect" "0c801c532432884c22381c3861a6f26199201bd42c3b2db3f310235c842938c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c801c532432884c22381c3861a6f26199201bd42c3b2db3f310235c842938c5", kill_on_drop: false }`
[INFO] [stdout] 0c801c532432884c22381c3861a6f26199201bd42c3b2db3f310235c842938c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07be9e626784ce00ff25ae4c23288a76e12084109a54348e4f276f7162a4109c
[INFO] running `Command { std: "docker" "start" "-a" "07be9e626784ce00ff25ae4c23288a76e12084109a54348e4f276f7162a4109c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `atomic::AtomicU64`
[INFO] [stdout]  --> src/clock.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::{Mutex, atomic::AtomicU64},
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::timestamp`
[INFO] [stdout]  --> src/clock.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use uuid::timestamp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `disk::disk::LsmDisk`, `memory::LsmMemory`, `memtable::Memtable`, `signal::Signal`, and `tree::LsmTree`
[INFO] [stdout]  --> src/config/lsm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     disk::disk::LsmDisk,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     lsmtree::{signal::Signal, tree::LsmTree},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     memory::{memory::LsmMemory, memtable::Memtable},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::Queue`
[INFO] [stdout]  --> src/config/lsm.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use scc::Queue;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, `AtomicUsize`, `RwLock`, and `collections::VecDeque`
[INFO] [stdout]   --> src/config/lsm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     collections::VecDeque,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     sync::{
[INFO] [stdout] 12 |         atomic::{AtomicBool, AtomicUsize},
[INFO] [stdout]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 13 |         Arc, RwLock,
[INFO] [stdout]    |         ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/sst/search.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::Record`
[INFO] [stdout]  --> src/disk/sst/write.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     memory::{memtable::Memtable, types::Record},
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/sst/write.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BloomFilter`
[INFO] [stdout]  --> src/disk/sst/mod.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::disk::sst::search::{BloomFilter, Index};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/block.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::HashMap`
[INFO] [stdout]   --> src/disk/disk.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use scc::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::memory::MemoryConfig`
[INFO] [stdout]  --> src/lsmtree/tree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::config::memory::MemoryConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::sst::SstConfig`
[INFO] [stdout]  --> src/lsmtree/tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::config::sst::SstConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WalValue`
[INFO] [stdout]   --> src/lsmtree/tree.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::wal::wal::{Wal, WalValue};
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::SeedableRng`
[INFO] [stdout]   --> src/lsmtree/tree.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::SeedableRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]   --> src/lsmtree/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::rngs::StdRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]   --> src/lsmtree/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand::seq::SliceRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::Queue`
[INFO] [stdout]   --> src/lsmtree/tree.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use scc::Queue;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]   --> src/lsmtree/tree.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::collections::{BTreeMap, VecDeque};
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::thread`
[INFO] [stdout]   --> src/lsmtree/tree.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::os::unix::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool`, `AtomicUsize`, and `Ordering`
[INFO] [stdout]   --> src/lsmtree/tree.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]   --> src/lsmtree/tree.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tempfile::tempdir;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::clock::Clock`
[INFO] [stdout]  --> src/memory/memory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::clock::Clock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/memory/memory.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/memory/memory.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     collections::VecDeque,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/memory/memtable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/memory/types.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{borrow::Borrow, cmp::Ordering};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Key`
[INFO] [stdout]  --> src/transaction/transaction.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     memory::types::{Key, Record},
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::timestamp`
[INFO] [stdout]  --> src/transaction/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use uuid::timestamp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/wal/wal.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::log_record::LogRecord`
[INFO] [stdout]  --> src/wal/replay.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::log_record::LogRecord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lsmkv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `from_level_guard` is never used
[INFO] [stdout]   --> src/disk/manifest.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LevelManifest {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub(crate) fn from_level_guard(level: &Level) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/clock.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn tick_and_mark(&self) -> MarkerGuard {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn tick_and_mark(&self) -> MarkerGuard<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic::AtomicU64`
[INFO] [stdout]  --> src/clock.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::{Mutex, atomic::AtomicU64},
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::timestamp`
[INFO] [stdout]  --> src/clock.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use uuid::timestamp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `disk::disk::LsmDisk`, `memory::LsmMemory`, `memtable::Memtable`, `signal::Signal`, and `tree::LsmTree`
[INFO] [stdout]  --> src/config/lsm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     disk::disk::LsmDisk,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     lsmtree::{signal::Signal, tree::LsmTree},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     memory::{memory::LsmMemory, memtable::Memtable},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::Queue`
[INFO] [stdout]  --> src/config/lsm.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use scc::Queue;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, `AtomicUsize`, `RwLock`, and `collections::VecDeque`
[INFO] [stdout]   --> src/config/lsm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     collections::VecDeque,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     sync::{
[INFO] [stdout] 12 |         atomic::{AtomicBool, AtomicUsize},
[INFO] [stdout]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 13 |         Arc, RwLock,
[INFO] [stdout]    |         ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/sst/search.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::Record`
[INFO] [stdout]  --> src/disk/sst/write.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     memory::{memtable::Memtable, types::Record},
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/sst/write.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BloomFilter`
[INFO] [stdout]  --> src/disk/sst/mod.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::disk::sst::search::{BloomFilter, Index};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/disk/block.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::HashMap`
[INFO] [stdout]   --> src/disk/disk.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use scc::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/lsmtree/tests.rs:643:9
[INFO] [stdout]     |
[INFO] [stdout] 643 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool` and `AtomicUsize`
[INFO] [stdout]    --> src/lsmtree/tests.rs:810:29
[INFO] [stdout]     |
[INFO] [stdout] 810 |     use std::sync::atomic::{AtomicBool, AtomicUsize};
[INFO] [stdout]     |                             ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::memory::MemoryConfig`
[INFO] [stdout]  --> src/lsmtree/tree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::config::memory::MemoryConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::sst::SstConfig`
[INFO] [stdout]  --> src/lsmtree/tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::config::sst::SstConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WalValue`
[INFO] [stdout]   --> src/lsmtree/tree.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::wal::wal::{Wal, WalValue};
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::SeedableRng`
[INFO] [stdout]   --> src/lsmtree/tree.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::SeedableRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]   --> src/lsmtree/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::rngs::StdRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]   --> src/lsmtree/tree.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand::seq::SliceRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scc::Queue`
[INFO] [stdout]   --> src/lsmtree/tree.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use scc::Queue;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]   --> src/lsmtree/tree.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::collections::{BTreeMap, VecDeque};
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::thread`
[INFO] [stdout]   --> src/lsmtree/tree.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::os::unix::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool`, `AtomicUsize`, and `Ordering`
[INFO] [stdout]   --> src/lsmtree/tree.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]   --> src/lsmtree/tree.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tempfile::tempdir;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::clock::Clock`
[INFO] [stdout]  --> src/memory/memory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::clock::Clock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/memory/memory.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/memory/memory.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     collections::VecDeque,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/memory/memtable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/memory/types.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{borrow::Borrow, cmp::Ordering};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stdout]  --> src/transaction/tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::seq::IteratorRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time::Duration`
[INFO] [stdout]  --> src/transaction/tests.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{thread, time::Duration};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Key`
[INFO] [stdout]  --> src/transaction/transaction.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     memory::types::{Key, Record},
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::timestamp`
[INFO] [stdout]  --> src/transaction/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use uuid::timestamp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/wal/wal.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::log_record::LogRecord`
[INFO] [stdout]  --> src/wal/replay.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::log_record::LogRecord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lsmtree/test_mvcc.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut tree = LsmTree::empty(config);
[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]   --> src/lsmtree/tests.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut tree = LsmTree::empty(config);
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected_state`
[INFO] [stdout]    --> src/lsmtree/tests.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |         let expected_state = Arc::clone(&expected_state);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/lsmtree/tests.rs:596:9
[INFO] [stdout]     |
[INFO] [stdout] 596 |     let start_time = Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_ops`
[INFO] [stdout]    --> src/lsmtree/tests.rs:851:9
[INFO] [stdout]     |
[INFO] [stdout] 851 |     let total_ops = ops_per_writer * n_writers;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_versions`
[INFO] [stdout]     --> src/lsmtree/tests.rs:1037:9
[INFO] [stdout]      |
[INFO] [stdout] 1037 |     let n_versions = 5;
[INFO] [stdout]      |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_versions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction/tests.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut tree = LsmTree::empty(config);
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transaction/tests.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut tree = LsmTree::empty(config);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transaction/tests.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut tree = LsmTree::empty(config);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transaction/tests.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |     let mut tree = LsmTree::empty(config);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transaction/tests.rs:497:13
[INFO] [stdout]     |
[INFO] [stdout] 497 |         let mut tree = LsmTree::empty(config.clone());
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transaction/tests.rs:526:13
[INFO] [stdout]     |
[INFO] [stdout] 526 |         let mut tree = LsmTree::empty(config.clone());
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transaction/tests.rs:593:13
[INFO] [stdout]     |
[INFO] [stdout] 593 |         let mut tree = LsmTree::empty(config.clone());
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transaction/tests.rs:633:13
[INFO] [stdout]     |
[INFO] [stdout] 633 |         let mut tree = LsmTree::empty(config.clone());
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_level_guard` is never used
[INFO] [stdout]   --> src/disk/manifest.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LevelManifest {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub(crate) fn from_level_guard(level: &Level) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/clock.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn tick_and_mark(&self) -> MarkerGuard {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn tick_and_mark(&self) -> MarkerGuard<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "07be9e626784ce00ff25ae4c23288a76e12084109a54348e4f276f7162a4109c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07be9e626784ce00ff25ae4c23288a76e12084109a54348e4f276f7162a4109c", kill_on_drop: false }`
[INFO] [stdout] 07be9e626784ce00ff25ae4c23288a76e12084109a54348e4f276f7162a4109c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bd9c5a4b0add5b63b4cbd3427b71bc8f41f096bfe6847b124317ff5c1c614cc
[INFO] running `Command { std: "docker" "start" "-a" "8bd9c5a4b0add5b63b4cbd3427b71bc8f41f096bfe6847b124317ff5c1c614cc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `atomic::AtomicU64`
[INFO] [stderr]  --> src/clock.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 |     sync::{Mutex, atomic::AtomicU64},
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `uuid::timestamp`
[INFO] [stderr]  --> src/clock.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use uuid::timestamp;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `disk::disk::LsmDisk`, `memory::LsmMemory`, `memtable::Memtable`, `signal::Signal`, and `tree::LsmTree`
[INFO] [stderr]  --> src/config/lsm.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     disk::disk::LsmDisk,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 4 |     lsmtree::{signal::Signal, tree::LsmTree},
[INFO] [stderr]   |               ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 5 |     memory::{memory::LsmMemory, memtable::Memtable},
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scc::Queue`
[INFO] [stderr]  --> src/config/lsm.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use scc::Queue;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `AtomicBool`, `AtomicUsize`, `RwLock`, and `collections::VecDeque`
[INFO] [stderr]   --> src/config/lsm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     collections::VecDeque,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 11 |     sync::{
[INFO] [stderr] 12 |         atomic::{AtomicBool, AtomicUsize},
[INFO] [stderr]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 13 |         Arc, RwLock,
[INFO] [stderr]    |         ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]  --> src/disk/sst/search.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bytes::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types::Record`
[INFO] [stderr]  --> src/disk/sst/write.rs:5:34
[INFO] [stderr]   |
[INFO] [stderr] 5 |     memory::{memtable::Memtable, types::Record},
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]  --> src/disk/sst/write.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use bytes::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BloomFilter`
[INFO] [stderr]  --> src/disk/sst/mod.rs:6:32
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::disk::sst::search::{BloomFilter, Index};
[INFO] [stderr]   |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]  --> src/disk/block.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bytes::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scc::HashMap`
[INFO] [stderr]   --> src/disk/disk.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use scc::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::config::memory::MemoryConfig`
[INFO] [stderr]  --> src/lsmtree/tree.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::config::memory::MemoryConfig;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::config::sst::SstConfig`
[INFO] [stderr]  --> src/lsmtree/tree.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::config::sst::SstConfig;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WalValue`
[INFO] [stderr]   --> src/lsmtree/tree.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::wal::wal::{Wal, WalValue};
[INFO] [stderr]    |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::SeedableRng`
[INFO] [stderr]   --> src/lsmtree/tree.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::SeedableRng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::rngs::StdRng`
[INFO] [stderr]   --> src/lsmtree/tree.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use rand::rngs::StdRng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]   --> src/lsmtree/tree.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rand::seq::SliceRandom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scc::Queue`
[INFO] [stderr]   --> src/lsmtree/tree.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use scc::Queue;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VecDeque`
[INFO] [stderr]   --> src/lsmtree/tree.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::collections::{BTreeMap, VecDeque};
[INFO] [stderr]    |                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::thread`
[INFO] [stderr]   --> src/lsmtree/tree.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::os::unix::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicBool`, `AtomicUsize`, and `Ordering`
[INFO] [stderr]   --> src/lsmtree/tree.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stderr]    |                         ^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tempfile::tempdir`
[INFO] [stderr]   --> src/lsmtree/tree.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use tempfile::tempdir;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::clock::Clock`
[INFO] [stderr]  --> src/memory/memory.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::clock::Clock;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]  --> src/memory/memory.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bytes::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections::VecDeque`
[INFO] [stderr]  --> src/memory/memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     collections::VecDeque,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]  --> src/memory/memtable.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bytes::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `borrow::Borrow`
[INFO] [stderr]  --> src/memory/types.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{borrow::Borrow, cmp::Ordering};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Key`
[INFO] [stderr]  --> src/transaction/transaction.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 |     memory::types::{Key, Record},
[INFO] [stderr]   |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `uuid::timestamp`
[INFO] [stderr]  --> src/transaction/transaction.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use uuid::timestamp;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/wal/wal.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::log_record::LogRecord`
[INFO] [stderr]  --> src/wal/replay.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::log_record::LogRecord;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_level_guard` is never used
[INFO] [stderr]   --> src/disk/manifest.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl LevelManifest {
[INFO] [stderr]    | ------------------ associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub(crate) fn from_level_guard(level: &Level) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/clock.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn tick_and_mark(&self) -> MarkerGuard {
[INFO] [stderr]    |                          ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn tick_and_mark(&self) -> MarkerGuard<'_> {
[INFO] [stderr]    |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]    --> src/lsmtree/tests.rs:643:9
[INFO] [stderr]     |
[INFO] [stderr] 643 |     use std::collections::HashMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicBool` and `AtomicUsize`
[INFO] [stderr]    --> src/lsmtree/tests.rs:810:29
[INFO] [stderr]     |
[INFO] [stderr] 810 |     use std::sync::atomic::{AtomicBool, AtomicUsize};
[INFO] [stderr]     |                             ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stderr]  --> src/transaction/tests.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::seq::IteratorRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread` and `time::Duration`
[INFO] [stderr]  --> src/transaction/tests.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{thread, time::Duration};
[INFO] [stderr]   |           ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lsmtree/test_mvcc.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut tree = LsmTree::empty(config);
[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]   --> src/lsmtree/tests.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut tree = LsmTree::empty(config);
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected_state`
[INFO] [stderr]    --> src/lsmtree/tests.rs:413:13
[INFO] [stderr]     |
[INFO] [stderr] 413 |         let expected_state = Arc::clone(&expected_state);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_state`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]    --> src/lsmtree/tests.rs:596:9
[INFO] [stderr]     |
[INFO] [stderr] 596 |     let start_time = Instant::now();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_ops`
[INFO] [stderr]    --> src/lsmtree/tests.rs:851:9
[INFO] [stderr]     |
[INFO] [stderr] 851 |     let total_ops = ops_per_writer * n_writers;
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_ops`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_versions`
[INFO] [stderr]     --> src/lsmtree/tests.rs:1037:9
[INFO] [stderr]      |
[INFO] [stderr] 1037 |     let n_versions = 5;
[INFO] [stderr]      |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_versions`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/transaction/tests.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut tree = LsmTree::empty(config);
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transaction/tests.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let mut tree = LsmTree::empty(config);
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transaction/tests.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut tree = LsmTree::empty(config);
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transaction/tests.rs:311:9
[INFO] [stderr]     |
[INFO] [stderr] 311 |     let mut tree = LsmTree::empty(config);
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transaction/tests.rs:497:13
[INFO] [stderr]     |
[INFO] [stderr] 497 |         let mut tree = LsmTree::empty(config.clone());
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transaction/tests.rs:526:13
[INFO] [stderr]     |
[INFO] [stderr] 526 |         let mut tree = LsmTree::empty(config.clone());
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transaction/tests.rs:593:13
[INFO] [stderr]     |
[INFO] [stderr] 593 |         let mut tree = LsmTree::empty(config.clone());
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transaction/tests.rs:633:13
[INFO] [stderr]     |
[INFO] [stderr] 633 |         let mut tree = LsmTree::empty(config.clone());
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `lsmkv` (lib) generated 33 warnings (run `cargo fix --lib -p lsmkv` to apply 32 suggestions)
[INFO] [stderr] warning: `lsmkv` (lib test) generated 51 warnings (33 duplicates) (run `cargo fix --lib -p lsmkv --tests` to apply 18 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lsmkv-32232d443e893d79)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_basic_operations ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_encoding_decoding ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_edge_cases ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_false_positives ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_invalid_decode ... ok
[INFO] [stdout] test transaction::tests::test_basic_0 ... ok
[INFO] [stdout] test transaction::tests::test_multiple_transactions ... ok
[INFO] [stdout] test transaction::tests::test_transaction_durability ... ok
[INFO] [stdout] test lsmtree::tests::test_close_repoen ... FAILED
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_encoding_decoding_large_dataset ... ok
[INFO] [stdout] test lsmtree::signal::tests::test_signal_multiple_setters ... ok
[INFO] [stdout] test lsmtree::signal::tests::test_signal ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_large_dataset ... ok
[INFO] [stdout] test transaction::tests::test_configurable_transactions ... ok
[INFO] [stdout] test transaction::tests::test_large_transaction_durability ... ok
[INFO] [stdout] test lsmtree::test_mvcc::test_basic_0 ... ok
[INFO] [stdout] test lsmtree::tests::test_data_distribution_across_layers ... ok
[INFO] [stdout] test lsmtree::tests::test_concurrent_overwrite_delete has been running for over 60 seconds
[INFO] [stdout] test lsmtree::tests::test_deterministic_concurrent_operations has been running for over 60 seconds
[INFO] [stdout] test lsmtree::tests::test_serial_insert_versions has been running for over 60 seconds
[INFO] [stdout] test lsmtree::tests::test_simple has been running for over 60 seconds
[INFO] [stdout] test transaction::tests::test_bigger has been running for over 60 seconds
[INFO] [stdout] test transaction::tests::test_bigger ... ok
[INFO] [stdout] test lsmtree::tests::test_concurrent_overwrite_delete ... ok
[INFO] [stdout] test lsmtree::tests::test_deterministic_concurrent_operations ... ok
[INFO] [stdout] test lsmtree::tests::test_serial_insert_versions ... ok
[INFO] [stdout] test lsmtree::tests::test_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lsmtree::tests::test_close_repoen stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'lsmtree::tests::test_close_repoen' (36) panicked at src/lsmtree/tests.rs:1035:31:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x642b0ee1c792 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x642b0ee1c792 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x642b0ee1c792 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x642b0ee1c792 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x642b0ee2dd6f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x642b0ee2dd6f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x642b0ede9033 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x642b0ede9033 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x642b0edf5842 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x642b0edfa6ff - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x642b0edfa591 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x642b0ed469ce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x642b0ed469ce - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x642b0edfad0f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x642b0edfad0f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x642b0edfab6a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x642b0edf5979 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x642b0eddc85d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x642b0ee37530 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x642b0ee36aa6 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x642b0ebbd9ab - core::result::Result<T,E>::unwrap::h1ab88679a2f20bdd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x642b0ebbd9ab - lsmkv::lsmtree::tests::test_close_repoen::h67ece6141035fcf1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lsmtree/tests.rs:1035:31
[INFO] [stdout]   22:     0x642b0ebbf537 - lsmkv::lsmtree::tests::test_close_repoen::{{closure}}::h94826b32e74303f6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lsmtree/tests.rs:1027:23
[INFO] [stdout]   23:     0x642b0ebe9216 - core::ops::function::FnOnce::call_once::h00101b615648b0e5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x642b0ed467cb - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x642b0ed467cb - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x642b0ed5a82d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x642b0ed5a82d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x642b0ed5a82d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x642b0ed5a82d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x642b0ed5a82d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x642b0ed5a82d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x642b0ed5a82d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x642b0ed33d74 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x642b0ed33d74 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x642b0ed375ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x642b0ed375ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x642b0ed375ca - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x642b0ed375ca - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x642b0ed375ca - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x642b0ed375ca - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x642b0ed375ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x642b0edf0d7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x642b0edf0d7f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x7fb2a0256aa4 - <unknown>
[INFO] [stdout]   45:     0x7fb2a02e3a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lsmtree::tests::test_close_repoen
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 117.79s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "8bd9c5a4b0add5b63b4cbd3427b71bc8f41f096bfe6847b124317ff5c1c614cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd9c5a4b0add5b63b4cbd3427b71bc8f41f096bfe6847b124317ff5c1c614cc", kill_on_drop: false }`
[INFO] [stdout] 8bd9c5a4b0add5b63b4cbd3427b71bc8f41f096bfe6847b124317ff5c1c614cc
