[INFO] fetching crate flash-kv 0.2.1...
[INFO] testing flash-kv-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate flash-kv 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate flash-kv 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flash-kv 0.2.1
[INFO] tweaked toml for crates.io crate flash-kv 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flash-kv 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flash-kv 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jammdb v0.11.0
[INFO] [stderr]   Downloaded fs4 v0.7.0
[INFO] [stderr]   Downloaded crossbeam-skiplist v0.1.3
[INFO] [stderr]   Downloaded jiff-static v0.2.10
[INFO] [stderr]   Downloaded jiff v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b88db5df484dbb3d16842b01b8d74b24c6a682263e8502d3793589fb2b79847
[INFO] running `Command { std: "docker" "start" "-a" "5b88db5df484dbb3d16842b01b8d74b24c6a682263e8502d3793589fb2b79847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b88db5df484dbb3d16842b01b8d74b24c6a682263e8502d3793589fb2b79847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b88db5df484dbb3d16842b01b8d74b24c6a682263e8502d3793589fb2b79847", kill_on_drop: false }`
[INFO] [stdout] 5b88db5df484dbb3d16842b01b8d74b24c6a682263e8502d3793589fb2b79847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0daccce9e33628537994ff2c1baf39d357659cdf2d5e7254908a6cf74132890a
[INFO] running `Command { std: "docker" "start" "-a" "0daccce9e33628537994ff2c1baf39d357659cdf2d5e7254908a6cf74132890a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling jiff v0.2.10
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling fs4 v0.7.0
[INFO] [stderr]    Compiling jammdb v0.11.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling flash-kv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/iterator.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn iter(&self, options: IteratorOptions) -> Iterator {
[INFO] [stdout]    |               ^^^^^ the lifetime is elided here   ^^^^^^^^ the same lifetime is hidden 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] 15 |   pub fn iter(&self, options: IteratorOptions) -> Iterator<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/batch.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn new_write_batch(&self, options: WriteBatchOptions) -> Result<WriteBatch> {
[INFO] [stdout]    |                          ^^^^^ the lifetime is elided here            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn new_write_batch(&self, options: WriteBatchOptions) -> Result<WriteBatch<'_>> {
[INFO] [stdout]    |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.77s
[INFO] running `Command { std: "docker" "inspect" "0daccce9e33628537994ff2c1baf39d357659cdf2d5e7254908a6cf74132890a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0daccce9e33628537994ff2c1baf39d357659cdf2d5e7254908a6cf74132890a", kill_on_drop: false }`
[INFO] [stdout] 0daccce9e33628537994ff2c1baf39d357659cdf2d5e7254908a6cf74132890a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c6bdabe9ac897fe781269e0cef60ac180cefe2f6d1472044705d0ec3d34eae9
[INFO] running `Command { std: "docker" "start" "-a" "0c6bdabe9ac897fe781269e0cef60ac180cefe2f6d1472044705d0ec3d34eae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling clap v4.5.37
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling flash-kv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/iterator.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn iter(&self, options: IteratorOptions) -> Iterator {
[INFO] [stdout]    |               ^^^^^ the lifetime is elided here   ^^^^^^^^ the same lifetime is hidden 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] 15 |   pub fn iter(&self, options: IteratorOptions) -> Iterator<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/batch.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn new_write_batch(&self, options: WriteBatchOptions) -> Result<WriteBatch> {
[INFO] [stdout]    |                          ^^^^^ the lifetime is elided here            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn new_write_batch(&self, options: WriteBatchOptions) -> Result<WriteBatch<'_>> {
[INFO] [stdout]    |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused import: `path::PathBuf`
[INFO] [stdout]   --> src/fio/mmap.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |   use std::{fs, path::PathBuf};
[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 variable: `metadata`
[INFO] [stdout]   --> src/fio/mmap.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let metadata = fs::metadata(&path).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]    --> src/fio/mmap.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let metadata = fs::metadata(&path).unwrap();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/iterator.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn iter(&self, options: IteratorOptions) -> Iterator {
[INFO] [stdout]    |               ^^^^^ the lifetime is elided here   ^^^^^^^^ the same lifetime is hidden 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] 15 |   pub fn iter(&self, options: IteratorOptions) -> Iterator<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/batch.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn new_write_batch(&self, options: WriteBatchOptions) -> Result<WriteBatch> {
[INFO] [stdout]    |                          ^^^^^ the lifetime is elided here            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn new_write_batch(&self, options: WriteBatchOptions) -> Result<WriteBatch<'_>> {
[INFO] [stdout]    |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.67s
[INFO] running `Command { std: "docker" "inspect" "0c6bdabe9ac897fe781269e0cef60ac180cefe2f6d1472044705d0ec3d34eae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6bdabe9ac897fe781269e0cef60ac180cefe2f6d1472044705d0ec3d34eae9", kill_on_drop: false }`
[INFO] [stdout] 0c6bdabe9ac897fe781269e0cef60ac180cefe2f6d1472044705d0ec3d34eae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 406c05c16a361e75ff1ba7c9af4f5f60a6e958128f5888e7d0137caff4d1c38e
[INFO] running `Command { std: "docker" "start" "-a" "406c05c16a361e75ff1ba7c9af4f5f60a6e958128f5888e7d0137caff4d1c38e", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/iterator.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 |   pub fn iter(&self, options: IteratorOptions) -> Iterator {
[INFO] [stderr]    |               ^^^^^ the lifetime is elided here   ^^^^^^^^ the same lifetime is hidden 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] 15 |   pub fn iter(&self, options: IteratorOptions) -> Iterator<'_> {
[INFO] [stderr]    |                                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/batch.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |   pub fn new_write_batch(&self, options: WriteBatchOptions) -> Result<WriteBatch> {
[INFO] [stderr]    |                          ^^^^^ the lifetime is elided here            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 29 |   pub fn new_write_batch(&self, options: WriteBatchOptions) -> Result<WriteBatch<'_>> {
[INFO] [stderr]    |                                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `flash-kv` (lib) generated 2 warnings (run `cargo fix --lib -p flash-kv` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `path::PathBuf`
[INFO] [stderr]   --> src/fio/mmap.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |   use std::{fs, path::PathBuf};
[INFO] [stderr]    |                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `metadata`
[INFO] [stderr]   --> src/fio/mmap.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let metadata = fs::metadata(&path).unwrap();
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `metadata`
[INFO] [stderr]    --> src/fio/mmap.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let metadata = fs::metadata(&path).unwrap();
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stderr] 
[INFO] [stderr] warning: `flash-kv` (lib test) generated 5 warnings (2 duplicates) (run `cargo fix --lib -p flash-kv --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flash_kv-d8528ff41dba467d)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test data::log_record::tests::test_log_record_encode_and_get_crc ... ok
[INFO] [stdout] test fio::file_io::tests::test_file_io_read ... ok
[INFO] [stdout] test fio::file_io::tests::test_file_io_size ... ok
[INFO] [stdout] test data::data_file::tests::test_data_file_read_log_record ... ok
[INFO] [stdout] test data::data_file::tests::test_data_file_write ... ok
[INFO] [stdout] test data::data_file::tests::test_data_file_sync ... ok
[INFO] [stdout] test data::data_file::tests::test_new_data_file ... ok
[INFO] [stdout] test db_test::test_engine_sync ... ok
[INFO] [stdout] test fio::file_io::tests::test_file_io_sync ... ok
[INFO] [stdout] test fio::file_io::tests::test_file_io_write ... ok
[INFO] [stdout] test batch::tests::test_write_batch_1 ... ok
[INFO] [stdout] test fio::mmap::tests::test_mmap_read ... ok
[INFO] [stdout] test index::bptree::tests::test_bptree_delete ... ok
[INFO] [stdout] test db_test::test_engine_close ... ok
[INFO] [stdout] test fio::mmap::tests::test_mmap_size ... ok
[INFO] [stdout] test db_test::test_engine_filelock ... ok
[INFO] [stdout] test index::btree::tests::test_btree_iterator_next ... ok
[INFO] [stdout] test index::btree::tests::test_btree_iterator_seek ... ok
[INFO] [stdout] test index::btree::tests::test_btree_put ... ok
[INFO] [stdout] test index::btree::tests::test_delete ... ok
[INFO] [stdout] test db_test::test_engine_delete ... ok
[INFO] [stdout] test batch::tests::test_write_batch_2 ... ok
[INFO] [stdout] test index::btree::tests::test_get ... ok
[INFO] [stdout] test index::bptree::tests::test_bptree_get ... ok
[INFO] [stdout] test index::skiplist::tests::test_skl_get ... ok
[INFO] [stdout] test index::skiplist::tests::test_skl_iterator_seek ... ok
[INFO] [stdout] test index::skiplist::tests::test_bptree_iterator_next ... ok
[INFO] [stdout] test index::skiplist::tests::test_skl_delete ... ok
[INFO] [stdout] test index::skiplist::tests::test_skl_list_keys ... ok
[INFO] [stdout] test index::skiplist::tests::test_skl_iterator ... ok
[INFO] [stdout] test index::skiplist::tests::test_skl_put ... ok
[INFO] [stdout] test index::skiplist::tests::test_skl_iterator_rewind ... ok
[INFO] [stdout] test index::bptree::tests::test_bptree_iterator_next ... ok
[INFO] [stdout] test index::bptree::tests::test_bptree_iterator ... ok
[INFO] [stdout] test merge::tests::test_merge_1 ... ok
[INFO] [stdout] test iterator::tests::test_iterator_fold ... ok
[INFO] [stdout] test index::bptree::tests::test_bptree_iterator_rewind ... ok
[INFO] [stdout] test index::bptree::tests::test_bptree_iterator_seek ... ok
[INFO] [stdout] test index::bptree::tests::test_bptree_list_keys ... ok
[INFO] [stdout] test util::rand_kv::test_get_test_key ... ok
[INFO] [stdout] test util::file::test_available_disk_space ... ok
[INFO] [stdout] test util::rand_kv::test_get_test_value ... ok
[INFO] [stdout] test index::bptree::tests::test_bptree_put ... ok
[INFO] [stdout] test iterator::tests::test_iterator_next ... ok
[INFO] [stdout] test iterator::tests::test_iterator_list_keys ... ok
[INFO] [stdout] test iterator::tests::test_iterator_prefix ... ok
[INFO] [stdout] test iterator::tests::test_iterator_seek ... ok
[INFO] [stdout] test db_test::test_engine_stat ... ok
[INFO] [stdout] test db_test::test_engine_put ... ok
[INFO] [stdout] test db_test::test_engine_backup ... ok
[INFO] [stdout] test merge::tests::test_merge_4 ... ok
[INFO] [stdout] test db_test::test_engine_get ... ok
[INFO] [stdout] test merge::tests::test_merge_3 ... ok
[INFO] [stdout] test merge::tests::test_merge_5 ... ok
[INFO] [stdout] test merge::tests::test_merge_2 ... ok
[INFO] [stdout] test batch::tests::test_write_batch_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 27.54s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flash_kv
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "406c05c16a361e75ff1ba7c9af4f5f60a6e958128f5888e7d0137caff4d1c38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406c05c16a361e75ff1ba7c9af4f5f60a6e958128f5888e7d0137caff4d1c38e", kill_on_drop: false }`
[INFO] [stdout] 406c05c16a361e75ff1ba7c9af4f5f60a6e958128f5888e7d0137caff4d1c38e