[INFO] cloning repository https://github.com/kirinrastogi/lsm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirinrastogi/lsm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirinrastogi%2Flsm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirinrastogi%2Flsm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60ffcb76a16da6c5eb62d74766576adda8fa5eb2
[INFO] testing kirinrastogi/lsm against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirinrastogi%2Flsm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kirinrastogi/lsm
[INFO] finished tweaking git repo https://github.com/kirinrastogi/lsm
[INFO] tweaked toml for git repo https://github.com/kirinrastogi/lsm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kirinrastogi/lsm on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kirinrastogi/lsm 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b839d6647f5131f21f4963bda56a595311c21e440ba13d3be10bd03fcc80d9e0
[INFO] running `Command { std: "docker" "start" "-a" "b839d6647f5131f21f4963bda56a595311c21e440ba13d3be10bd03fcc80d9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b839d6647f5131f21f4963bda56a595311c21e440ba13d3be10bd03fcc80d9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b839d6647f5131f21f4963bda56a595311c21e440ba13d3be10bd03fcc80d9e0", kill_on_drop: false }`
[INFO] [stdout] b839d6647f5131f21f4963bda56a595311c21e440ba13d3be10bd03fcc80d9e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c94ba47c661faca72f10bf081b4c00e8914509e62ade40924081ca7ad0eafe2c
[INFO] running `Command { std: "docker" "start" "-a" "c94ba47c661faca72f10bf081b4c00e8914509e62ade40924081ca7ad0eafe2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling bson v2.15.0
[INFO] [stderr]    Compiling lsm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `max_open_sstables` is never read
[INFO] [stdout]   --> src/db/lsm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct LSMTree {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     max_open_sstables: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mmap`, `index`, and `tombstones` are never read
[INFO] [stdout]   --> src/db/lsm.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct SSTable {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 18 |     mmap: Mmap,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     index: BTreeMap<u64, usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     tombstones: BTreeSet<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `delete`, `read_value_from_buffer`, and `read_value_from_sstable` are never used
[INFO] [stdout]    --> src/db/lsm.rs:43:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl LSMTree {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  43 |     pub fn get(&self, key: u64) -> Option<Vector> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     pub fn delete(&mut self, key: u64) -> io::Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn read_value_from_buffer<R: Read + Seek>(&self, buf: &mut R) -> io::Result<(u64, Vector)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn read_value_from_sstable(&self, mmap: &Mmap, offset: usize) -> io::Result<(u64, Vector)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `data` and `id` are never used
[INFO] [stdout]   --> src/db/vector.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Vector {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn data(&self) -> &Vec<f64> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn id(&self) -> u64 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     lsm.insert(1, Vector::new(1, vec![0.0, 1.1, 2.2]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = lsm.insert(1, Vector::new(1, vec![0.0, 1.1, 2.2]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.32s
[INFO] running `Command { std: "docker" "inspect" "c94ba47c661faca72f10bf081b4c00e8914509e62ade40924081ca7ad0eafe2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94ba47c661faca72f10bf081b4c00e8914509e62ade40924081ca7ad0eafe2c", kill_on_drop: false }`
[INFO] [stdout] c94ba47c661faca72f10bf081b4c00e8914509e62ade40924081ca7ad0eafe2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f56ee3814fd864aaf1f3466a4cb92d14af2c88c5a1e8933f7f733b1923e1f4f
[INFO] running `Command { std: "docker" "start" "-a" "8f56ee3814fd864aaf1f3466a4cb92d14af2c88c5a1e8933f7f733b1923e1f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lsm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `Error`
[INFO] [stdout]    --> src/db/lsm.rs:232:38
[INFO] [stdout]     |
[INFO] [stdout] 232 |         assert!(matches!(result, Err(Error)));
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_open_sstables` is never read
[INFO] [stdout]   --> src/db/lsm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct LSMTree {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     max_open_sstables: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     lsm.insert(1, Vector::new(1, vec![0.0, 1.1, 2.2]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = lsm.insert(1, Vector::new(1, vec![0.0, 1.1, 2.2]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db/lsm.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |         lsm.flush_memtable();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let _ = lsm.flush_memtable();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db/lsm.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         lsm.flush_memtable();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let _ = lsm.flush_memtable();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Error` should have a snake case name
[INFO] [stdout]    --> src/db/lsm.rs:232:38
[INFO] [stdout]     |
[INFO] [stdout] 232 |         assert!(matches!(result, Err(Error)));
[INFO] [stdout]     |                                      ^^^^^ help: convert the identifier to snake case: `error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/db/lsm.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |         lsm.flush_memtable();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let _ = lsm.flush_memtable();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "8f56ee3814fd864aaf1f3466a4cb92d14af2c88c5a1e8933f7f733b1923e1f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f56ee3814fd864aaf1f3466a4cb92d14af2c88c5a1e8933f7f733b1923e1f4f", kill_on_drop: false }`
[INFO] [stdout] 8f56ee3814fd864aaf1f3466a4cb92d14af2c88c5a1e8933f7f733b1923e1f4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a2a3f2d5d2bdd4cb3cdfe26165cceb1951fc6a6201c3e325061dbacf1098269
[INFO] running `Command { std: "docker" "start" "-a" "3a2a3f2d5d2bdd4cb3cdfe26165cceb1951fc6a6201c3e325061dbacf1098269", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `Error`
[INFO] [stderr]    --> src/db/lsm.rs:232:38
[INFO] [stderr]     |
[INFO] [stderr] 232 |         assert!(matches!(result, Err(Error)));
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `max_open_sstables` is never read
[INFO] [stderr]   --> src/db/lsm.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct LSMTree {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     max_open_sstables: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     lsm.insert(1, Vector::new(1, vec![0.0, 1.1, 2.2]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let _ = lsm.insert(1, Vector::new(1, vec![0.0, 1.1, 2.2]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db/lsm.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |         lsm.flush_memtable();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let _ = lsm.flush_memtable();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db/lsm.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         lsm.flush_memtable();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let _ = lsm.flush_memtable();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Error` should have a snake case name
[INFO] [stderr]    --> src/db/lsm.rs:232:38
[INFO] [stderr]     |
[INFO] [stderr] 232 |         assert!(matches!(result, Err(Error)));
[INFO] [stderr]     |                                      ^^^^^ help: convert the identifier to snake case: `error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/db/lsm.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         lsm.flush_memtable();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let _ = lsm.flush_memtable();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `lsm` (bin "lsm" test) generated 7 warnings (run `cargo fix --bin "lsm" -p lsm --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lsm-5f9c137eb180f2e2)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test db::lsm::tests::test_delete_from_sstable ... ok
[INFO] [stdout] test db::lsm::tests::test_delete_prevents_get_memtable ... ok
[INFO] [stdout] test db::lsm::tests::test_delete_from_memtable ... ok
[INFO] [stdout] test db::lsm::tests::test_delete_prevents_get_sstable ... ok
[INFO] [stdout] test db::lsm::tests::test_write_read_buf ... ok
[INFO] [stdout] test db::lsm::tests::test_write_read_memtable ... ok
[INFO] [stdout] test db::lsm::tests::test_delete_no_key ... ok
[INFO] [stdout] test db::lsm::tests::test_write_read_sstable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a2a3f2d5d2bdd4cb3cdfe26165cceb1951fc6a6201c3e325061dbacf1098269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2a3f2d5d2bdd4cb3cdfe26165cceb1951fc6a6201c3e325061dbacf1098269", kill_on_drop: false }`
[INFO] [stdout] 3a2a3f2d5d2bdd4cb3cdfe26165cceb1951fc6a6201c3e325061dbacf1098269
