[INFO] fetching crate mintkv 0.1.0... [INFO] testing mintkv-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate mintkv 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate mintkv 0.1.0 [INFO] finished tweaking crates.io crate mintkv 0.1.0 [INFO] tweaked toml for crates.io crate mintkv 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mintkv 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mintkv 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de9031cdd6f709d205ee526afec59ca0668ac35fc2162c5eb2f5b056d3fbd02e [INFO] running `Command { std: "docker" "start" "-a" "de9031cdd6f709d205ee526afec59ca0668ac35fc2162c5eb2f5b056d3fbd02e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de9031cdd6f709d205ee526afec59ca0668ac35fc2162c5eb2f5b056d3fbd02e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de9031cdd6f709d205ee526afec59ca0668ac35fc2162c5eb2f5b056d3fbd02e", kill_on_drop: false }` [INFO] [stdout] de9031cdd6f709d205ee526afec59ca0668ac35fc2162c5eb2f5b056d3fbd02e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 2d3d16c434e4a923253a5d1d186ef4c48dc23f3340d0d7ee6628a184d2cdd186 [INFO] running `Command { std: "docker" "start" "-a" "2d3d16c434e4a923253a5d1d186ef4c48dc23f3340d0d7ee6628a184d2cdd186", kill_on_drop: false }` [INFO] [stderr] Compiling mintkv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/block/mod.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{ErrorKind, Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/block/mod.rs:102:33 [INFO] [stdout] | [INFO] [stdout] 102 | pub(crate) fn remove(&self, key: &[u8]) -> Result, Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/block/mod.rs:106:30 [INFO] [stdout] | [INFO] [stdout] 106 | pub(crate) fn get(&self, key: &[u8]) -> Result, Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/block/mod.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 151 | offset += 8; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_id` [INFO] [stdout] --> src/block/mod.rs:157:13 [INFO] [stdout] | [INFO] [stdout] 157 | let current_id = u64::from_le_bytes(buffer[offset..offset + 8].try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/block/mod.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | offset += 8; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leaf_node` [INFO] [stdout] --> src/btree/node.rs:108:33 [INFO] [stdout] | [INFO] [stdout] 108 | TypedNode::Leaf(ref leaf_node) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/memtable/encoder.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | fn decode(data: &[u8]) -> Result<(OpKind, &[u8]), Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `limits` [INFO] [stdout] --> src/db.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn get_range(&self, limits: i32) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_limits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tombstone` is never constructed [INFO] [stdout] --> src/tombstone.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Tombstone { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/block/mod.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 121 | pub(crate) struct Segment { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 125 | id: usize, // id according a filename 按照时间 [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Encoder` is never constructed [INFO] [stdout] --> src/block/encoder.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Encoder { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `display`, `delete`, `redistribution_leaf`, `redistribution_internal`, `find`, and `delete_node` are never used [INFO] [stdout] --> src/btree/mod.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl BTree { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn delete(&mut self, key: &[u8]) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 251 | fn redistribution_leaf( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 343 | fn redistribution_internal( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 472 | pub fn find(&self, key: &[u8]) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 534 | pub fn delete_node(&mut self, node: u64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `EmptyTree` and `KeyNotFound` are never constructed [INFO] [stdout] --> src/btree/error.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Error { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 3 | EmptyTree, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | KeyNotFound, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `release_page` is never used [INFO] [stdout] --> src/btree/freelist.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Freelist { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn release_page(&mut self, _page_number: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/btree/node.rs:100:12 [INFO] [stdout] | [INFO] [stdout] 61 | impl Node { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `can_spare_element` and `is_underflow` are never used [INFO] [stdout] --> src/btree/node.rs:353:12 [INFO] [stdout] | [INFO] [stdout] 130 | impl Node { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 353 | pub fn can_spare_element(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 430 | pub fn is_underflow(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `OpKind` is never used [INFO] [stdout] --> src/memtable/constant.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | pub(super) enum OpKind { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_u8` is never used [INFO] [stdout] --> src/memtable/constant.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 6 | impl OpKind { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 7 | #[inline] [INFO] [stdout] 8 | pub(super) fn as_u8(self) -> u8 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Encoder` is never constructed [INFO] [stdout] --> src/memtable/encoder.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct Encoder; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `encode` and `decode` are never used [INFO] [stdout] --> src/memtable/encoder.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 8 | impl Encoder { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] 9 | pub(super) fn encode(opkind: OpKind, data: &[u8]) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn decode(data: &[u8]) -> Result<(OpKind, &[u8]), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `deserialize` is never used [INFO] [stdout] --> src/chunk/mod.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 39 | impl Chunk { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | fn deserialize(buffer: &[u8]) -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Iter` is never constructed [INFO] [stdout] --> src/chunk/skiplist.rs:185:19 [INFO] [stdout] | [INFO] [stdout] 185 | pub(super) struct Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/chunk/skiplist.rs:190:19 [INFO] [stdout] | [INFO] [stdout] 189 | impl SkipList { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 190 | pub(super) fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `int32`, `f64`, and `u64` are never used [INFO] [stdout] --> src/util.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 8 | impl Random { [INFO] [stdout] | ----------- associated functions in this implementation [INFO] [stdout] 9 | pub(crate) fn int32() -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub(crate) fn f64() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub(crate) fn u64() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "2d3d16c434e4a923253a5d1d186ef4c48dc23f3340d0d7ee6628a184d2cdd186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d3d16c434e4a923253a5d1d186ef4c48dc23f3340d0d7ee6628a184d2cdd186", kill_on_drop: false }` [INFO] [stdout] 2d3d16c434e4a923253a5d1d186ef4c48dc23f3340d0d7ee6628a184d2cdd186 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] da881712ae532bda806ae6b77bdb1cf9fc634dafbf5b92502f40ab0cbe40bff4 [INFO] running `Command { std: "docker" "start" "-a" "da881712ae532bda806ae6b77bdb1cf9fc634dafbf5b92502f40ab0cbe40bff4", kill_on_drop: false }` [INFO] [stderr] Compiling mintkv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/block/mod.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{ErrorKind, Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/block/mod.rs:102:33 [INFO] [stdout] | [INFO] [stdout] 102 | pub(crate) fn remove(&self, key: &[u8]) -> Result, Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/block/mod.rs:106:30 [INFO] [stdout] | [INFO] [stdout] 106 | pub(crate) fn get(&self, key: &[u8]) -> Result, Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/block/mod.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 151 | offset += 8; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_id` [INFO] [stdout] --> src/block/mod.rs:157:13 [INFO] [stdout] | [INFO] [stdout] 157 | let current_id = u64::from_le_bytes(buffer[offset..offset + 8].try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/block/mod.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | offset += 8; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leaf_node` [INFO] [stdout] --> src/btree/node.rs:108:33 [INFO] [stdout] | [INFO] [stdout] 108 | TypedNode::Leaf(ref leaf_node) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/memtable/encoder.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | fn decode(data: &[u8]) -> Result<(OpKind, &[u8]), Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `limits` [INFO] [stdout] --> src/db.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn get_range(&self, limits: i32) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_limits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tombstone` is never constructed [INFO] [stdout] --> src/tombstone.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Tombstone { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/block/mod.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 121 | pub(crate) struct Segment { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 125 | id: usize, // id according a filename 按照时间 [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Encoder` is never constructed [INFO] [stdout] --> src/block/encoder.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Encoder { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `display`, `delete`, `redistribution_leaf`, `redistribution_internal`, `find`, and `delete_node` are never used [INFO] [stdout] --> src/btree/mod.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl BTree { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn delete(&mut self, key: &[u8]) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 251 | fn redistribution_leaf( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 343 | fn redistribution_internal( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 472 | pub fn find(&self, key: &[u8]) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 534 | pub fn delete_node(&mut self, node: u64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `EmptyTree` and `KeyNotFound` are never constructed [INFO] [stdout] --> src/btree/error.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Error { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 3 | EmptyTree, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | KeyNotFound, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `release_page` is never used [INFO] [stdout] --> src/btree/freelist.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Freelist { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn release_page(&mut self, _page_number: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/btree/node.rs:100:12 [INFO] [stdout] | [INFO] [stdout] 61 | impl Node { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `can_spare_element` and `is_underflow` are never used [INFO] [stdout] --> src/btree/node.rs:353:12 [INFO] [stdout] | [INFO] [stdout] 130 | impl Node { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 353 | pub fn can_spare_element(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 430 | pub fn is_underflow(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `OpKind` is never used [INFO] [stdout] --> src/memtable/constant.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | pub(super) enum OpKind { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_u8` is never used [INFO] [stdout] --> src/memtable/constant.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 6 | impl OpKind { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 7 | #[inline] [INFO] [stdout] 8 | pub(super) fn as_u8(self) -> u8 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Encoder` is never constructed [INFO] [stdout] --> src/memtable/encoder.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct Encoder; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `encode` and `decode` are never used [INFO] [stdout] --> src/memtable/encoder.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 8 | impl Encoder { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] 9 | pub(super) fn encode(opkind: OpKind, data: &[u8]) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn decode(data: &[u8]) -> Result<(OpKind, &[u8]), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `deserialize` is never used [INFO] [stdout] --> src/chunk/mod.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 39 | impl Chunk { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | fn deserialize(buffer: &[u8]) -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Iter` is never constructed [INFO] [stdout] --> src/chunk/skiplist.rs:185:19 [INFO] [stdout] | [INFO] [stdout] 185 | pub(super) struct Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/chunk/skiplist.rs:190:19 [INFO] [stdout] | [INFO] [stdout] 189 | impl SkipList { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 190 | pub(super) fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `int32`, `f64`, and `u64` are never used [INFO] [stdout] --> src/util.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 8 | impl Random { [INFO] [stdout] | ----------- associated functions in this implementation [INFO] [stdout] 9 | pub(crate) fn int32() -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub(crate) fn f64() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub(crate) fn u64() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/block/mod.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{ErrorKind, Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/block/mod.rs:102:33 [INFO] [stdout] | [INFO] [stdout] 102 | pub(crate) fn remove(&self, key: &[u8]) -> Result, Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/block/mod.rs:106:30 [INFO] [stdout] | [INFO] [stdout] 106 | pub(crate) fn get(&self, key: &[u8]) -> Result, Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/block/mod.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 151 | offset += 8; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_id` [INFO] [stdout] --> src/block/mod.rs:157:13 [INFO] [stdout] | [INFO] [stdout] 157 | let current_id = u64::from_le_bytes(buffer[offset..offset + 8].try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/block/mod.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | offset += 8; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leaf_node` [INFO] [stdout] --> src/btree/node.rs:108:33 [INFO] [stdout] | [INFO] [stdout] 108 | TypedNode::Leaf(ref leaf_node) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/memtable/encoder.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | fn decode(data: &[u8]) -> Result<(OpKind, &[u8]), Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `limits` [INFO] [stdout] --> src/db.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn get_range(&self, limits: i32) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_limits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tombstone` is never constructed [INFO] [stdout] --> src/tombstone.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Tombstone { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/block/mod.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 121 | pub(crate) struct Segment { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 125 | id: usize, // id according a filename 按照时间 [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Encoder` is never constructed [INFO] [stdout] --> src/block/encoder.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Encoder { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `display`, `delete`, `redistribution_leaf`, `redistribution_internal`, `find`, and `delete_node` are never used [INFO] [stdout] --> src/btree/mod.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl BTree { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn delete(&mut self, key: &[u8]) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 251 | fn redistribution_leaf( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 343 | fn redistribution_internal( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 472 | pub fn find(&self, key: &[u8]) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 534 | pub fn delete_node(&mut self, node: u64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `EmptyTree` and `KeyNotFound` are never constructed [INFO] [stdout] --> src/btree/error.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Error { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 3 | EmptyTree, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | KeyNotFound, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `release_page` is never used [INFO] [stdout] --> src/btree/freelist.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Freelist { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn release_page(&mut self, _page_number: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_freelist_basic_operations` is never used [INFO] [stdout] --> src/btree/freelist.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | fn test_freelist_basic_operations() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_freelist_basic_functionality` is never used [INFO] [stdout] --> src/btree/freelist.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | fn test_freelist_basic_functionality() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_freelist_serialization_deserialization` is never used [INFO] [stdout] --> src/btree/freelist.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 125 | fn test_freelist_serialization_deserialization() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_freelist_boundary_conditions` is never used [INFO] [stdout] --> src/btree/freelist.rs:146:8 [INFO] [stdout] | [INFO] [stdout] 146 | fn test_freelist_boundary_conditions() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_freelist_exception_handling` is never used [INFO] [stdout] --> src/btree/freelist.rs:160:8 [INFO] [stdout] | [INFO] [stdout] 160 | fn test_freelist_exception_handling() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `display` is never used [INFO] [stdout] --> src/btree/node.rs:100:12 [INFO] [stdout] | [INFO] [stdout] 61 | impl Node { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `can_spare_element` and `is_underflow` are never used [INFO] [stdout] --> src/btree/node.rs:353:12 [INFO] [stdout] | [INFO] [stdout] 130 | impl Node { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 353 | pub fn can_spare_element(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 430 | pub fn is_underflow(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `OpKind` is never used [INFO] [stdout] --> src/memtable/constant.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | pub(super) enum OpKind { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_u8` is never used [INFO] [stdout] --> src/memtable/constant.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 6 | impl OpKind { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 7 | #[inline] [INFO] [stdout] 8 | pub(super) fn as_u8(self) -> u8 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Encoder` is never constructed [INFO] [stdout] --> src/memtable/encoder.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct Encoder; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `encode` and `decode` are never used [INFO] [stdout] --> src/memtable/encoder.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 8 | impl Encoder { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] 9 | pub(super) fn encode(opkind: OpKind, data: &[u8]) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn decode(data: &[u8]) -> Result<(OpKind, &[u8]), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `int32`, `f64`, and `u64` are never used [INFO] [stdout] --> src/util.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 8 | impl Random { [INFO] [stdout] | ----------- associated functions in this implementation [INFO] [stdout] 9 | pub(crate) fn int32() -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub(crate) fn f64() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub(crate) fn u64() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "da881712ae532bda806ae6b77bdb1cf9fc634dafbf5b92502f40ab0cbe40bff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da881712ae532bda806ae6b77bdb1cf9fc634dafbf5b92502f40ab0cbe40bff4", kill_on_drop: false }` [INFO] [stdout] da881712ae532bda806ae6b77bdb1cf9fc634dafbf5b92502f40ab0cbe40bff4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e99d3684f9295956edf508be405be769a1049eb16e566a052fc1a297b40bab1d [INFO] running `Command { std: "docker" "start" "-a" "e99d3684f9295956edf508be405be769a1049eb16e566a052fc1a297b40bab1d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/block/mod.rs:7:32 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{ErrorKind, Read, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/block/mod.rs:102:33 [INFO] [stderr] | [INFO] [stderr] 102 | pub(crate) fn remove(&self, key: &[u8]) -> Result, Error> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/block/mod.rs:106:30 [INFO] [stderr] | [INFO] [stderr] 106 | pub(crate) fn get(&self, key: &[u8]) -> Result, Error> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `offset` is never read [INFO] [stderr] --> src/block/mod.rs:151:9 [INFO] [stderr] | [INFO] [stderr] 151 | offset += 8; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `current_id` [INFO] [stderr] --> src/block/mod.rs:157:13 [INFO] [stderr] | [INFO] [stderr] 157 | let current_id = u64::from_le_bytes(buffer[offset..offset + 8].try_into().unwrap()); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_id` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `offset` is never read [INFO] [stderr] --> src/block/mod.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | offset += 8; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `leaf_node` [INFO] [stderr] --> src/btree/node.rs:108:33 [INFO] [stderr] | [INFO] [stderr] 108 | TypedNode::Leaf(ref leaf_node) => { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_node` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/memtable/encoder.rs:16:15 [INFO] [stderr] | [INFO] [stderr] 16 | fn decode(data: &[u8]) -> Result<(OpKind, &[u8]), Error> { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `limits` [INFO] [stderr] --> src/db.rs:55:29 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn get_range(&self, limits: i32) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_limits` [INFO] [stderr] [INFO] [stderr] warning: struct `Tombstone` is never constructed [INFO] [stderr] --> src/tombstone.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Tombstone { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `id` is never read [INFO] [stderr] --> src/block/mod.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 121 | pub(crate) struct Segment { [INFO] [stderr] | ------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 125 | id: usize, // id according a filename 按照时间 [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Encoder` is never constructed [INFO] [stderr] --> src/block/encoder.rs:4:8 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 9 tests [INFO] [stderr] 4 | struct Encoder { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `display`, `delete`, `redistribution_leaf`, `redistribution_internal`, `find`, and `delete_node` are never used [INFO] [stderr] --> src/btree/mod.rs:68:12 [INFO] [stderr] | [INFO] [stderr] 29 | impl BTree { [INFO] [stderr] | ---------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 68 | pub fn display(&self) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 177 | pub fn delete(&mut self, key: &[u8]) -> Result { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 251 | fn redistribution_leaf( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 343 | fn redistribution_internal( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 472 | pub fn find(&self, key: &[u8]) -> Result { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 534 | pub fn delete_node(&mut self, node: u64) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variants `EmptyTree` and `KeyNotFound` are never constructed [INFO] [stderr] --> src/btree/error.rs:3:5 [INFO] [stdout] test chunk::skiplist::tests::test_insert_and_get ... ok [INFO] [stderr] | [INFO] [stdout] test chunk::tests::test_chunk_deserialize ... ok [INFO] [stderr] 2 | pub enum Error { [INFO] [stdout] test chunk::tests::test_chunk_get ... ok [INFO] [stderr] | ----- variants in this enum [INFO] [stdout] test chunk::tests::test_chunk_new ... ok [INFO] [stderr] 3 | EmptyTree, [INFO] [stdout] test chunk::tests::test_chunk_serialize ... ok [INFO] [stderr] | ^^^^^^^^^ [INFO] [stdout] test tests::it_works ... ok [INFO] [stderr] 4 | KeyNotFound, [INFO] [stdout] test chunk::skiplist::tests::test_insert_and_delete ... ok [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stdout] test chunk::skiplist::tests::test_iterator ... ok [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: method `release_page` is never used [INFO] [stderr] --> src/btree/freelist.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 8 | impl Freelist { [INFO] [stderr] | ------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 17 | pub fn release_page(&mut self, _page_number: u64) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `display` is never used [INFO] [stderr] --> src/btree/node.rs:100:12 [INFO] [stderr] | [INFO] [stderr] 61 | impl Node { [INFO] [stderr] | --------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 100 | pub fn display(&self) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `can_spare_element` and `is_underflow` are never used [INFO] [stderr] --> src/btree/node.rs:353:12 [INFO] [stderr] | [INFO] [stderr] 130 | impl Node { [INFO] [stderr] | --------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 353 | pub fn can_spare_element(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 430 | pub fn is_underflow(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `OpKind` is never used [INFO] [stderr] --> src/memtable/constant.rs:1:17 [INFO] [stderr] | [INFO] [stderr] 1 | pub(super) enum OpKind { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `as_u8` is never used [INFO] [stderr] --> src/memtable/constant.rs:8:19 [INFO] [stderr] | [INFO] [stderr] 6 | impl OpKind { [INFO] [stderr] | ----------- method in this implementation [INFO] [stderr] 7 | #[inline] [INFO] [stderr] 8 | pub(super) fn as_u8(self) -> u8 { [INFO] [stderr] | ^^^^^ [INFO] [stdout] test chunk::tests::test_chunk_delete ... ok [INFO] [stderr] [INFO] [stderr] warning: struct `Encoder` is never constructed [INFO] [stderr] --> src/memtable/encoder.rs:5:19 [INFO] [stderr] | [INFO] [stderr] 5 | pub(crate) struct Encoder; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated functions `encode` and `decode` are never used [INFO] [stderr] --> src/memtable/encoder.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 8 | impl Encoder { [INFO] [stderr] | ------------ associated functions in this implementation [INFO] [stderr] 9 | pub(super) fn encode(opkind: OpKind, data: &[u8]) -> Vec { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 16 | fn decode(data: &[u8]) -> Result<(OpKind, &[u8]), Error> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `deserialize` is never used [INFO] [stderr] --> src/chunk/mod.rs:82:8 [INFO] [stderr] | [INFO] [stderr] 39 | impl Chunk { [INFO] [stderr] | ---------- associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 82 | fn deserialize(buffer: &[u8]) -> Result, Error> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Iter` is never constructed [INFO] [stderr] --> src/chunk/skiplist.rs:185:19 [INFO] [stderr] | [INFO] [stderr] 185 | pub(super) struct Iter { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: method `iter` is never used [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] --> src/chunk/skiplist.rs:190:19 [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] 189 | impl SkipList { [INFO] [stderr] | ------------- method in this implementation [INFO] [stderr] 190 | pub(super) fn iter(&self) -> Iter { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated functions `int32`, `f64`, and `u64` are never used [INFO] [stderr] --> src/util.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 8 | impl Random { [INFO] [stderr] | ----------- associated functions in this implementation [INFO] [stderr] 9 | pub(crate) fn int32() -> Result { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 25 | pub(crate) fn f64() -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 33 | pub(crate) fn u64() -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `mintkv` (lib) generated 25 warnings [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/lib.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/block/mod.rs:7:32 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{ErrorKind, Read, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_freelist_basic_operations` is never used [INFO] [stderr] --> src/btree/freelist.rs:66:8 [INFO] [stderr] | [INFO] [stderr] 66 | fn test_freelist_basic_operations() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_freelist_basic_functionality` is never used [INFO] [stderr] --> src/btree/freelist.rs:117:8 [INFO] [stderr] | [INFO] [stderr] 117 | fn test_freelist_basic_functionality() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_freelist_serialization_deserialization` is never used [INFO] [stderr] --> src/btree/freelist.rs:125:8 [INFO] [stderr] | [INFO] [stderr] 125 | fn test_freelist_serialization_deserialization() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_freelist_boundary_conditions` is never used [INFO] [stderr] --> src/btree/freelist.rs:146:8 [INFO] [stderr] | [INFO] [stderr] 146 | fn test_freelist_boundary_conditions() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_freelist_exception_handling` is never used [INFO] [stderr] --> src/btree/freelist.rs:160:8 [INFO] [stderr] | [INFO] [stderr] 160 | fn test_freelist_exception_handling() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `mintkv` (lib test) generated 28 warnings (21 duplicates) (run `cargo fix --lib -p mintkv --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mintkv-a631b05a2cd28789) [INFO] [stderr] Running unittests src/bin/mintkv.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mintkv-bd3aaa98f02e8ccb) [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" "e99d3684f9295956edf508be405be769a1049eb16e566a052fc1a297b40bab1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e99d3684f9295956edf508be405be769a1049eb16e566a052fc1a297b40bab1d", kill_on_drop: false }` [INFO] [stdout] e99d3684f9295956edf508be405be769a1049eb16e566a052fc1a297b40bab1d