[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#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDa1sypetals%2FLsmkv" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Da1sypetals/Lsmkv on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe2dfec55ac5dbfb27b5db5a21b7fd32b526473bf242f24462b6bae7c0c627d
[INFO] running `Command { std: "docker" "start" "-a" "7fe2dfec55ac5dbfb27b5db5a21b7fd32b526473bf242f24462b6bae7c0c627d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe2dfec55ac5dbfb27b5db5a21b7fd32b526473bf242f24462b6bae7c0c627d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe2dfec55ac5dbfb27b5db5a21b7fd32b526473bf242f24462b6bae7c0c627d", kill_on_drop: false }`
[INFO] [stdout] 7fe2dfec55ac5dbfb27b5db5a21b7fd32b526473bf242f24462b6bae7c0c627d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44df057d217f12e2e6e42fec9591c1b87cba15b2d1367777abb6239c10a90ea7
[INFO] running `Command { std: "docker" "start" "-a" "44df057d217f12e2e6e42fec9591c1b87cba15b2d1367777abb6239c10a90ea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[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 regex-syntax v0.8.5
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling is-terminal v0.4.15
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling winnow v0.7.1
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling sdd v3.0.7
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling scc v2.3.3
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling farmhash v1.1.5
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling tempfile v3.16.0
[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 zerocopy v0.7.35
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling pretty_env_logger v0.5.0
[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 serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime 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: value assigned to `key` is never read
[INFO] [stdout]    --> src/disk/disk.rs:494:27
[INFO] [stdout]     |
[INFO] [stdout] 494 |             let mut key = Vec::new();
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/disk/disk.rs:500:29
[INFO] [stdout]     |
[INFO] [stdout] 500 |             let mut value = Vec::new();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]    --> src/disk/disk.rs:524:27
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let mut key = Vec::new();
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 49.85s
[INFO] running `Command { std: "docker" "inspect" "44df057d217f12e2e6e42fec9591c1b87cba15b2d1367777abb6239c10a90ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44df057d217f12e2e6e42fec9591c1b87cba15b2d1367777abb6239c10a90ea7", kill_on_drop: false }`
[INFO] [stdout] 44df057d217f12e2e6e42fec9591c1b87cba15b2d1367777abb6239c10a90ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 261652a7bd233c732da62ed9b1131bf1f558c79a3e1c3e39a0710fa62e16447b
[INFO] running `Command { std: "docker" "start" "-a" "261652a7bd233c732da62ed9b1131bf1f558c79a3e1c3e39a0710fa62e16447b", 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] [stderr]    Compiling lsmkv v0.1.0 (/opt/rustwide/workdir)
[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: value assigned to `key` is never read
[INFO] [stdout]    --> src/disk/disk.rs:494:27
[INFO] [stdout]     |
[INFO] [stdout] 494 |             let mut key = Vec::new();
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/disk/disk.rs:500:29
[INFO] [stdout]     |
[INFO] [stdout] 500 |             let mut value = Vec::new();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]    --> src/disk/disk.rs:524:27
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let mut key = Vec::new();
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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] [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: value assigned to `key` is never read
[INFO] [stdout]    --> src/disk/disk.rs:494:27
[INFO] [stdout]     |
[INFO] [stdout] 494 |             let mut key = Vec::new();
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/disk/disk.rs:500:29
[INFO] [stdout]     |
[INFO] [stdout] 500 |             let mut value = Vec::new();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]    --> src/disk/disk.rs:524:27
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let mut key = Vec::new();
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 3.72s
[INFO] running `Command { std: "docker" "inspect" "261652a7bd233c732da62ed9b1131bf1f558c79a3e1c3e39a0710fa62e16447b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261652a7bd233c732da62ed9b1131bf1f558c79a3e1c3e39a0710fa62e16447b", kill_on_drop: false }`
[INFO] [stdout] 261652a7bd233c732da62ed9b1131bf1f558c79a3e1c3e39a0710fa62e16447b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a4c315c2da1e1ed6a2998ae07ed5594afd656e369c1243f1ae305f07884beb9
[INFO] running `Command { std: "docker" "start" "-a" "4a4c315c2da1e1ed6a2998ae07ed5594afd656e369c1243f1ae305f07884beb9", 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: value assigned to `key` is never read
[INFO] [stderr]    --> src/disk/disk.rs:494:27
[INFO] [stderr]     |
[INFO] [stderr] 494 |             let mut key = Vec::new();
[INFO] [stderr]     |                           ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/disk/disk.rs:500:29
[INFO] [stderr]     |
[INFO] [stderr] 500 |             let mut value = Vec::new();
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `key` is never read
[INFO] [stderr]    --> src/disk/disk.rs:524:27
[INFO] [stderr]     |
[INFO] [stderr] 524 |             let mut key = Vec::new();
[INFO] [stderr]     |                           ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[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 36 warnings (run `cargo fix --lib -p lsmkv` to apply 32 suggestions)
[INFO] [stderr] warning: `lsmkv` (lib test) generated 54 warnings (36 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-782443ec4ee64b95)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_encoding_decoding ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_false_positives ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_edge_cases ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_basic_operations ... ok
[INFO] [stdout] test disk::sst::search::tests::test_bloom_filter_invalid_decode ... 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 disk::sst::search::tests::test_bloom_filter_large_dataset ... ok
[INFO] [stdout] test transaction::tests::test_basic_0 ... ok
[INFO] [stdout] test lsmtree::signal::tests::test_signal ... ok
[INFO] [stdout] test transaction::tests::test_configurable_transactions ... ok
[INFO] [stdout] test transaction::tests::test_large_transaction_durability ... ok
[INFO] [stdout] test transaction::tests::test_multiple_transactions ... ok
[INFO] [stdout] test transaction::tests::test_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_simple ... ok
[INFO] [stdout] test lsmtree::tests::test_serial_insert_versions ... 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' (31) 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:     0x59174f259342 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59174f259342 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59174f259342 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59174f259342 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59174f26fe1a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59174f26fe1a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x59174f25e366 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59174f25e366 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59174f23610f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59174f23610f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59174f250849 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59174f17a72e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x59174f17a72e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59174f250a02 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x59174f250a02 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59174f2361c8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x59174f22b1d9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59174f23701d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59174f27055c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59174f2702a2 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x59174efc048b - <core[585f66e14d78f9ba]::result::Result<(), std[3f03f8b59f91bef1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x59174efc048b - lsmkv[f4c20dc83b448a3b]::lsmtree::tests::test_close_repoen
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lsmtree/tests.rs:1035:31
[INFO] [stdout]   22:     0x59174efbc6c7 - lsmkv[f4c20dc83b448a3b]::lsmtree::tests::test_close_repoen::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lsmtree/tests.rs:1027:23
[INFO] [stdout]   23:     0x59174efdc986 - <lsmkv[f4c20dc83b448a3b]::lsmtree::tests::test_close_repoen::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59174f16eadb - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x59174f16eadb - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x59174f17b33a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x59174f17b33a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x59174f17b33a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x59174f17b33a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x59174f17b33a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x59174f17b33a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x59174f17b33a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x59174f175804 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x59174f175804 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x59174f17de32 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x59174f17de32 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x59174f17de32 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x59174f17de32 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x59174f17de32 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x59174f17de32 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x59174f17de32 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x59174f25867f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x59174f25867f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x78a715b1faa4 - <unknown>
[INFO] [stdout]   45:     0x78a715baca64 - 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 115.39s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "4a4c315c2da1e1ed6a2998ae07ed5594afd656e369c1243f1ae305f07884beb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4c315c2da1e1ed6a2998ae07ed5594afd656e369c1243f1ae305f07884beb9", kill_on_drop: false }`
[INFO] [stdout] 4a4c315c2da1e1ed6a2998ae07ed5594afd656e369c1243f1ae305f07884beb9
