[INFO] fetching crate kip_db 0.1.0-alpha.0... [INFO] building kip_db-0.1.0-alpha.0 against try#14accda7ba2c586835d15379a621955d9f047371 for pr-103610 [INFO] extracting crate kip_db 0.1.0-alpha.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate kip_db 0.1.0-alpha.0 on toolchain 14accda7ba2c586835d15379a621955d9f047371 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2/source/.cargo/config [INFO] started tweaking crates.io crate kip_db 0.1.0-alpha.0 [INFO] finished tweaking crates.io crate kip_db 0.1.0-alpha.0 [INFO] tweaked toml for crates.io crate kip_db 0.1.0-alpha.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate kip_db 0.1.0-alpha.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d352c9b4fd58b0471b6b36da859b604169428ab1b0fb0e8d6e89df0bd04fa172 [INFO] running `Command { std: "docker" "start" "-a" "d352c9b4fd58b0471b6b36da859b604169428ab1b0fb0e8d6e89df0bd04fa172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d352c9b4fd58b0471b6b36da859b604169428ab1b0fb0e8d6e89df0bd04fa172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d352c9b4fd58b0471b6b36da859b604169428ab1b0fb0e8d6e89df0bd04fa172", kill_on_drop: false }` [INFO] [stdout] d352c9b4fd58b0471b6b36da859b604169428ab1b0fb0e8d6e89df0bd04fa172 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 360b67fb8c31bbbf7d783a34dd0b4c81e971e4167e021d615a3be7e8b83b8b8e [INFO] running `Command { std: "docker" "start" "-a" "360b67fb8c31bbbf7d783a34dd0b4c81e971e4167e021d615a3be7e8b83b8b8e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] 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Compiling tracing-subscriber v0.3.15 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling clap_derive v3.2.15 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling tracing v0.1.35 [INFO] [stderr] Compiling clap v3.2.16 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling tokio-stream v0.1.9 [INFO] [stderr] Compiling tokio-util v0.7.3 [INFO] [stderr] Compiling serde_bytes v0.11.7 [INFO] [stderr] Compiling rmp-serde v1.1.0 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling growable-bloom-filter v2.0.1 [INFO] [stderr] Compiling kip_db v0.1.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `end_tag` is never used [INFO] [stdout] --> src/kernel/mod.rs:133:18 [INFO] [stdout] | [INFO] [stdout] 133 | pub async fn end_tag(io_handler: &IOHandler) -> Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `write_batch_first_pos` is never used [INFO] [stdout] --> src/kernel/mod.rs:156:18 [INFO] [stdout] | [INFO] [stdout] 156 | pub async fn write_batch_first_pos(io_handler: &IOHandler, vec_cmd: &Vec) -> Result<(u64, usize)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_pos` is never used [INFO] [stdout] --> src/kernel/mod.rs:193:18 [INFO] [stdout] | [INFO] [stdout] 193 | pub async fn from_pos(io_handler: &IOHandler, start: u64, len: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `find_key_with_zone` is never used [INFO] [stdout] --> src/kernel/mod.rs:220:18 [INFO] [stdout] | [INFO] [stdout] 220 | pub async fn find_key_with_zone(zone: &[u8], key: &Vec) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `level` is never used [INFO] [stdout] --> src/kernel/lsm/ss_table.rs:199:19 [INFO] [stdout] | [INFO] [stdout] 199 | pub(crate) fn level(&mut self, level: u64) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `get_version` is never used [INFO] [stdout] --> src/kernel/lsm/ss_table.rs:207:19 [INFO] [stdout] | [INFO] [stdout] 207 | pub(crate) fn get_version(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value_unpack` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:252:8 [INFO] [stdout] | [INFO] [stdout] 252 | fn value_unpack(cmd_data: &CommandData) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value_unpack_with_owner` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:257:8 [INFO] [stdout] | [INFO] [stdout] 257 | fn value_unpack_with_owner(cmd_data: CommandData) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `decode_gen` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:304:19 [INFO] [stdout] | [INFO] [stdout] 304 | pub(crate) fn decode_gen(key: &Vec) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:289:20 [INFO] [stdout] | [INFO] [stdout] 289 | for rev in vec_rev.pop() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 289 | while let Some(rev) = vec_rev.pop() { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 289 | if let Some(rev) = vec_rev.pop() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.33s [INFO] running `Command { std: "docker" "inspect" "360b67fb8c31bbbf7d783a34dd0b4c81e971e4167e021d615a3be7e8b83b8b8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "360b67fb8c31bbbf7d783a34dd0b4c81e971e4167e021d615a3be7e8b83b8b8e", kill_on_drop: false }` [INFO] [stdout] 360b67fb8c31bbbf7d783a34dd0b4c81e971e4167e021d615a3be7e8b83b8b8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 889cfe0795431cd234465b3017f982b2a9dc257095c25bfdb2c7da3ca9ed765d [INFO] running `Command { std: "docker" "start" "-a" "889cfe0795431cd234465b3017f982b2a9dc257095c25bfdb2c7da3ca9ed765d", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.3 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling async-stream-impl v0.3.3 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling plotters-svg v0.3.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling termtree v0.2.4 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling predicates-tree v1.0.5 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling async-stream v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling rmp v0.8.11 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling plotters v0.3.2 [INFO] [stderr] Compiling chrono v0.4.22 [INFO] [stderr] Compiling rmp-serde v1.1.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling tokio-stream v0.1.9 [INFO] [stderr] Compiling tokio-util v0.7.3 [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stderr] Compiling tokio-test v0.4.2 [INFO] [stderr] Compiling kip_db v0.1.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `end_tag` is never used [INFO] [stdout] --> src/kernel/mod.rs:133:18 [INFO] [stdout] | [INFO] [stdout] 133 | pub async fn end_tag(io_handler: &IOHandler) -> Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `write_batch_first_pos` is never used [INFO] [stdout] --> src/kernel/mod.rs:156:18 [INFO] [stdout] | [INFO] [stdout] 156 | pub async fn write_batch_first_pos(io_handler: &IOHandler, vec_cmd: &Vec) -> Result<(u64, usize)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_pos` is never used [INFO] [stdout] --> src/kernel/mod.rs:193:18 [INFO] [stdout] | [INFO] [stdout] 193 | pub async fn from_pos(io_handler: &IOHandler, start: u64, len: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `find_key_with_zone` is never used [INFO] [stdout] --> src/kernel/mod.rs:220:18 [INFO] [stdout] | [INFO] [stdout] 220 | pub async fn find_key_with_zone(zone: &[u8], key: &Vec) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `level` is never used [INFO] [stdout] --> src/kernel/lsm/ss_table.rs:199:19 [INFO] [stdout] | [INFO] [stdout] 199 | pub(crate) fn level(&mut self, level: u64) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `get_version` is never used [INFO] [stdout] --> src/kernel/lsm/ss_table.rs:207:19 [INFO] [stdout] | [INFO] [stdout] 207 | pub(crate) fn get_version(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value_unpack` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:252:8 [INFO] [stdout] | [INFO] [stdout] 252 | fn value_unpack(cmd_data: &CommandData) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value_unpack_with_owner` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:257:8 [INFO] [stdout] | [INFO] [stdout] 257 | fn value_unpack_with_owner(cmd_data: CommandData) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `decode_gen` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:304:19 [INFO] [stdout] | [INFO] [stdout] 304 | pub(crate) fn decode_gen(key: &Vec) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:289:20 [INFO] [stdout] | [INFO] [stdout] 289 | for rev in vec_rev.pop() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 289 | while let Some(rev) = vec_rev.pop() { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 289 | if let Some(rev) = vec_rev.pop() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compaction` is never used [INFO] [stdout] --> tests/tests.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn compaction() -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compaction_with_kv_store` is never used [INFO] [stdout] --> tests/tests.rs:171:4 [INFO] [stdout] | [INFO] [stdout] 171 | fn compaction_with_kv_store() -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `end_tag` is never used [INFO] [stdout] --> src/kernel/mod.rs:133:18 [INFO] [stdout] | [INFO] [stdout] 133 | pub async fn end_tag(io_handler: &IOHandler) -> Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `write_batch_first_pos` is never used [INFO] [stdout] --> src/kernel/mod.rs:156:18 [INFO] [stdout] | [INFO] [stdout] 156 | pub async fn write_batch_first_pos(io_handler: &IOHandler, vec_cmd: &Vec) -> Result<(u64, usize)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_pos` is never used [INFO] [stdout] --> src/kernel/mod.rs:193:18 [INFO] [stdout] | [INFO] [stdout] 193 | pub async fn from_pos(io_handler: &IOHandler, start: u64, len: usize) -> Result> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `find_key_with_zone` is never used [INFO] [stdout] --> src/kernel/mod.rs:220:18 [INFO] [stdout] | [INFO] [stdout] 220 | pub async fn find_key_with_zone(zone: &[u8], key: &Vec) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `level` is never used [INFO] [stdout] --> src/kernel/lsm/ss_table.rs:199:19 [INFO] [stdout] | [INFO] [stdout] 199 | pub(crate) fn level(&mut self, level: u64) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `get_version` is never used [INFO] [stdout] --> src/kernel/lsm/ss_table.rs:207:19 [INFO] [stdout] | [INFO] [stdout] 207 | pub(crate) fn get_version(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value_unpack` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:252:8 [INFO] [stdout] | [INFO] [stdout] 252 | fn value_unpack(cmd_data: &CommandData) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value_unpack_with_owner` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:257:8 [INFO] [stdout] | [INFO] [stdout] 257 | fn value_unpack_with_owner(cmd_data: CommandData) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `decode_gen` is never used [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:304:19 [INFO] [stdout] | [INFO] [stdout] 304 | pub(crate) fn decode_gen(key: &Vec) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/kernel/lsm/lsm_kv.rs:289:20 [INFO] [stdout] | [INFO] [stdout] 289 | for rev in vec_rev.pop() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 289 | while let Some(rev) = vec_rev.pop() { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 289 | if let Some(rev) = vec_rev.pop() { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 34.66s [INFO] running `Command { std: "docker" "inspect" "889cfe0795431cd234465b3017f982b2a9dc257095c25bfdb2c7da3ca9ed765d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "889cfe0795431cd234465b3017f982b2a9dc257095c25bfdb2c7da3ca9ed765d", kill_on_drop: false }` [INFO] [stdout] 889cfe0795431cd234465b3017f982b2a9dc257095c25bfdb2c7da3ca9ed765d