[INFO] cloning repository https://github.com/hundredeir/NoSQL [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hundredeir/NoSQL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhundredeir%2FNoSQL", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhundredeir%2FNoSQL'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b07c2cd36358f442a2d79fa5ce79fbb475bd75ce [INFO] checking hundredeir/NoSQL against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhundredeir%2FNoSQL" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hundredeir/NoSQL on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hundredeir/NoSQL [INFO] finished tweaking git repo https://github.com/hundredeir/NoSQL [INFO] tweaked toml for git repo https://github.com/hundredeir/NoSQL written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hundredeir/NoSQL 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" "+613bdd49978298648ed05ace086bd1ecad54b44a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7b9e4fae4280a90bf5d9e1d1abc55ead83d710008f1b249dd35dfa9e972c05a [INFO] running `Command { std: "docker" "start" "-a" "b7b9e4fae4280a90bf5d9e1d1abc55ead83d710008f1b249dd35dfa9e972c05a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7b9e4fae4280a90bf5d9e1d1abc55ead83d710008f1b249dd35dfa9e972c05a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7b9e4fae4280a90bf5d9e1d1abc55ead83d710008f1b249dd35dfa9e972c05a", kill_on_drop: false }` [INFO] [stdout] b7b9e4fae4280a90bf5d9e1d1abc55ead83d710008f1b249dd35dfa9e972c05a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2dac7affce37bc8c3a1c16bd72685af34dacb97e7f34c0fcb27c7051afede9ac [INFO] running `Command { std: "docker" "start" "-a" "2dac7affce37bc8c3a1c16bd72685af34dacb97e7f34c0fcb27c7051afede9ac", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking log v0.1.0 (/opt/rustwide/workdir/src/log) [INFO] [stderr] Checking file v0.1.0 (/opt/rustwide/workdir/src/file) [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: unused variable: `op_code` [INFO] [stdout] --> src/log/src/lib.rs:357:43 [INFO] [stdout] | [INFO] [stdout] 357 | Record::TypeValue(op_code, key_len, val_len, key, value) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_code` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_len` [INFO] [stdout] --> src/log/src/lib.rs:357:52 [INFO] [stdout] | [INFO] [stdout] 357 | Record::TypeValue(op_code, key_len, val_len, key, value) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val_len` [INFO] [stdout] --> src/log/src/lib.rs:357:61 [INFO] [stdout] | [INFO] [stdout] 357 | Record::TypeValue(op_code, key_len, val_len, key, value) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/log/src/lib.rs:357:70 [INFO] [stdout] | [INFO] [stdout] 357 | Record::TypeValue(op_code, key_len, val_len, key, value) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/log/src/lib.rs:357:75 [INFO] [stdout] | [INFO] [stdout] 357 | Record::TypeValue(op_code, key_len, val_len, key, value) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_code` [INFO] [stdout] --> src/log/src/lib.rs:371:62 [INFO] [stdout] | [INFO] [stdout] 371 | assert!(matches!(rec, Record::TypeDelete(op_code, key_len, key))); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_code` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_len` [INFO] [stdout] --> src/log/src/lib.rs:371:71 [INFO] [stdout] | [INFO] [stdout] 371 | assert!(matches!(rec, Record::TypeDelete(op_code, key_len, key))); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/log/src/lib.rs:371:80 [INFO] [stdout] | [INFO] [stdout] 371 | assert!(matches!(rec, Record::TypeDelete(op_code, key_len, key))); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking memtable v0.1.0 (/opt/rustwide/workdir/src/memtable) [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/memtable/src/skiplist.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | 'retry: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/memtable/src/skiplist.rs:352:19 [INFO] [stdout] | [INFO] [stdout] 352 | while (record != std::ptr::null_mut()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 352 - while (record != std::ptr::null_mut()) { [INFO] [stdout] 352 + while record != std::ptr::null_mut() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicPtr`, `AtomicU32`, and `Ordering` [INFO] [stdout] --> src/memtable/src/skiplist/tests.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::atomic::{AtomicPtr, AtomicU32, Ordering}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/memtable/src/skiplist.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | 'retry: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/memtable/src/skiplist.rs:352:19 [INFO] [stdout] | [INFO] [stdout] 352 | while (record != std::ptr::null_mut()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 352 - while (record != std::ptr::null_mut()) { [INFO] [stdout] 352 + while record != std::ptr::null_mut() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | .map(|i| AtomicPtr::new(std::ptr::null_mut())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:37:19 [INFO] [stdout] | [INFO] [stdout] 37 | .map(|i| AtomicPtr::new(std::ptr::null_mut())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hp_record` [INFO] [stdout] --> src/memtable/src/skiplist.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | hp_record: *mut HazarPointerRecord>, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hp_record` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `marked` is never read [INFO] [stdout] --> src/memtable/src/skiplist.rs:209:21 [INFO] [stdout] | [INFO] [stdout] 209 | marked = get_marker(composite); [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: `hp_record` [INFO] [stdout] --> src/memtable/src/skiplist.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | hp_record: *mut HazarPointerRecord>, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hp_record` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hazard_pointer_record` [INFO] [stdout] --> src/memtable/src/skiplist.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | hazard_pointer_record: *mut HazarPointerRecord>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hazard_pointer_record` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | unsafe { hprec } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut hprec = Box::into_raw(Box::new(HazarPointerRecord { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Memtable` is never used [INFO] [stdout] --> src/memtable/src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait Memtable { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red` and `Black` are never constructed [INFO] [stdout] --> src/memtable/src/rbtree.rs:413:5 [INFO] [stdout] | [INFO] [stdout] 412 | pub enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 413 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 414 | Black, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `color` is never read [INFO] [stdout] --> src/memtable/src/rbtree.rs:421:5 [INFO] [stdout] | [INFO] [stdout] 418 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 421 | color: Color, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_color`, and `update_color` are never used [INFO] [stdout] --> src/memtable/src/rbtree.rs:428:12 [INFO] [stdout] | [INFO] [stdout] 427 | impl Node { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 428 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 457 | pub fn get_color(&self) -> Color { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 461 | pub fn update_color(&mut self, new_color: Color) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `root` and `adjacency_list` are never read [INFO] [stdout] --> src/memtable/src/rbtree.rs:484:5 [INFO] [stdout] | [INFO] [stdout] 483 | pub struct RBTree { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 484 | root: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 485 | adjacency_list: Vec>>, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RBTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/memtable/src/rbtree.rs:489:12 [INFO] [stdout] | [INFO] [stdout] 488 | impl RBTree { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 489 | pub fn new() -> RBTree { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 496 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 500 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 504 | fn search_node(&self, key: &str) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 519 | pub fn search(&self, key: &str) -> Option<(String, Option)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 524 | pub fn delete(&mut self, key: &str) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 528 | pub fn insert(&mut self, key: &str, val: &str) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 532 | fn insert_generic(&mut self, key: &str, val: Option<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 575 | fn insert_fixup(&mut self, new_node: Rc>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 665 | fn left_rotate(&mut self, parent_node: Rc>) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 696 | fn right_rotate(&mut self, parent_node: Rc>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 727 | pub fn iter(&self) -> Succesor { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/memtable/src/rbtree.rs:737:8 [INFO] [stdout] | [INFO] [stdout] 736 | impl Succesor { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 737 | fn new(node: Option<&Rc>>) -> Succesor { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_node` is never used [INFO] [stdout] --> src/memtable/src/skiplist.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn get_node(ptr: *mut Node) -> *mut Node [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_marker` is never used [INFO] [stdout] --> src/memtable/src/skiplist.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn get_marker(ptr: *mut Node) -> bool [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_marker` is never used [INFO] [stdout] --> src/memtable/src/skiplist.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn add_marker(ptr: *mut Node, marker: bool) -> *mut Node [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SkipList` is never constructed [INFO] [stdout] --> src/memtable/src/skiplist.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | struct SkipList [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/memtable/src/skiplist.rs:61:11 [INFO] [stdout] | [INFO] [stdout] 57 | / impl SkipList [INFO] [stdout] 58 | | where [INFO] [stdout] 59 | | ValueType: Clone, [INFO] [stdout] | |_____________________- associated items in this implementation [INFO] [stdout] 60 | { [INFO] [stdout] 61 | const MAX_LEVEL: u64 = Node::::TOP_LEVEL as u64; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 62 | const MAX_HP: u64 = 5; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 63 | [INFO] [stdout] 64 | pub fn new() -> SkipList { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn add( [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 160 | pub fn remove( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 241 | fn find( [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 332 | fn enter(&self) -> *mut HazarPointerRecord> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 340 | fn exit(&self, hp_record: *mut HazarPointerRecord>) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FindResult` is never constructed [INFO] [stdout] --> src/memtable/src/skiplist/find_result.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct FindResult [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `KeyType` is never used [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub type KeyType = i128; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) struct Node [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `TOP_LEVEL`, `new_sentinel`, and `new` are never used [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:22:15 [INFO] [stdout] | [INFO] [stdout] 18 | / impl Node [INFO] [stdout] 19 | | where [INFO] [stdout] 20 | | ValueType: Clone, [INFO] [stdout] | |_____________________- associated items in this implementation [INFO] [stdout] 21 | { [INFO] [stdout] 22 | pub const TOP_LEVEL: usize = 31; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 23 | pub fn new_sentinel(key: KeyType) -> *mut Node { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn new(key: KeyType, value: ValueType, height: usize) -> *mut Node { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_random_lvl` is never used [INFO] [stdout] --> src/memtable/src/util.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn generate_random_lvl(max_lvl: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HazarPointerRecord` is never constructed [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct HazarPointerRecord { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `allocate_hp_record`, `retire_hp_record`, `retire_node`, `help_scan`, and `scan` are never used [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl HazarPointerRecord { [INFO] [stdout] | ----------------------------- associated functions in this implementation [INFO] [stdout] 22 | pub fn allocate_hp_record( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn retire_hp_record(rec_node: *mut HazarPointerRecord) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn retire_node( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | pub fn help_scan( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 172 | fn scan(head: *mut HazarPointerRecord, self_ptr: *mut HazarPointerRecord) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | .map(|i| AtomicPtr::new(std::ptr::null_mut())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:37:19 [INFO] [stdout] | [INFO] [stdout] 37 | .map(|i| AtomicPtr::new(std::ptr::null_mut())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/memtable/src/skiplist/tests.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | let handle = thread::Builder::new() [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/memtable/src/skiplist/tests.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | let handle = thread::Builder::new() [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hp_record` [INFO] [stdout] --> src/memtable/src/skiplist.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | hp_record: *mut HazarPointerRecord>, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hp_record` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir/src/server) [INFO] [stdout] warning: value assigned to `marked` is never read [INFO] [stdout] --> src/memtable/src/skiplist.rs:209:21 [INFO] [stdout] | [INFO] [stdout] 209 | marked = get_marker(composite); [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: `hp_record` [INFO] [stdout] --> src/memtable/src/skiplist.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | hp_record: *mut HazarPointerRecord>, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hp_record` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hazard_pointer_record` [INFO] [stdout] --> src/memtable/src/skiplist.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | hazard_pointer_record: *mut HazarPointerRecord>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hazard_pointer_record` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | unsafe { hprec } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut hprec = Box::into_raw(Box::new(HazarPointerRecord { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hp_record` [INFO] [stdout] --> src/memtable/src/memory_management/tests.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let hp_record: *mut HazarPointerRecord = [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hp_record` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/memory_management/tests.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | for i in 0..2 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/memory_management/tests.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | for i in 0..count { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/memtable/src/memory_management/tests.rs:103:21 [INFO] [stdout] | [INFO] [stdout] 103 | let handle = s.spawn({ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memtable/src/memory_management/tests.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | unsafe{ [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/memtable/src/memory_management/tests.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/memory_management/tests.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | for i in 0..4 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Memtable` is never used [INFO] [stdout] --> src/memtable/src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait Memtable { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/memtable/src/rbtree.rs:500:12 [INFO] [stdout] | [INFO] [stdout] 488 | impl RBTree { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 500 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) struct Node [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | pub value: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `head` and `max_hp_count` are never read [INFO] [stdout] --> src/memtable/src/memory_management/hazard_pointers.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct HazarPointerRecord { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | pub head: Arc>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | pub max_hp_count: Arc, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.41s [INFO] running `Command { std: "docker" "inspect" "2dac7affce37bc8c3a1c16bd72685af34dacb97e7f34c0fcb27c7051afede9ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dac7affce37bc8c3a1c16bd72685af34dacb97e7f34c0fcb27c7051afede9ac", kill_on_drop: false }` [INFO] [stdout] 2dac7affce37bc8c3a1c16bd72685af34dacb97e7f34c0fcb27c7051afede9ac