[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] a99e5864c3d52db50a7470748942631b4d59677f [INFO] checking hundredeir/NoSQL against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhundredeir%2FNoSQL" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hundredeir/NoSQL on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-5-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ppv-lite86 v0.2.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8480fe0e2353f0f4e001cecdbb87cda7a8588f419fe82e1fd0d52896c60e0fe [INFO] running `Command { std: "docker" "start" "-a" "d8480fe0e2353f0f4e001cecdbb87cda7a8588f419fe82e1fd0d52896c60e0fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8480fe0e2353f0f4e001cecdbb87cda7a8588f419fe82e1fd0d52896c60e0fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8480fe0e2353f0f4e001cecdbb87cda7a8588f419fe82e1fd0d52896c60e0fe", kill_on_drop: false }` [INFO] [stdout] d8480fe0e2353f0f4e001cecdbb87cda7a8588f419fe82e1fd0d52896c60e0fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1821958030e938e023274cdb25094e7fa430c9b7351bb471699b7002263ea148 [INFO] running `Command { std: "docker" "start" "-a" "1821958030e938e023274cdb25094e7fa430c9b7351bb471699b7002263ea148", 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] 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 file v0.1.0 (/opt/rustwide/workdir/src/file) [INFO] [stderr] Checking log v0.1.0 (/opt/rustwide/workdir/src/log) [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.4 [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] [stderr] Checking rand_distr v0.4.3 [INFO] [stdout] warning: unused import: `std::fs::remove_file` [INFO] [stdout] --> src/log/src/lib.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fs::remove_file; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::drop` [INFO] [stdout] --> src/log/src/lib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_code` [INFO] [stdout] --> src/log/src/lib.rs:221:43 [INFO] [stdout] | [INFO] [stdout] 221 | 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:221:52 [INFO] [stdout] | [INFO] [stdout] 221 | 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:221:61 [INFO] [stdout] | [INFO] [stdout] 221 | 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:221:70 [INFO] [stdout] | [INFO] [stdout] 221 | 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:221:75 [INFO] [stdout] | [INFO] [stdout] 221 | 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:235:62 [INFO] [stdout] | [INFO] [stdout] 235 | 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:235:71 [INFO] [stdout] | [INFO] [stdout] 235 | 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:235:80 [INFO] [stdout] | [INFO] [stdout] 235 | 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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:208:13 [INFO] [stdout] | [INFO] [stdout] 208 | let mut reader = LogReader::new(path); [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: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:213:25 [INFO] [stdout] | [INFO] [stdout] 213 | let mut op_code: OpCode = OpCode::Delete; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:214:25 [INFO] [stdout] | [INFO] [stdout] 214 | let mut key_len: usize = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:215:25 [INFO] [stdout] | [INFO] [stdout] 215 | let mut val_len: usize = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:216:25 [INFO] [stdout] | [INFO] [stdout] 216 | let mut key: String = "".to_string(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:217:25 [INFO] [stdout] | [INFO] [stdout] 217 | let mut value: String = "".to_string(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:231:25 [INFO] [stdout] | [INFO] [stdout] 231 | let mut op_code: OpCode = OpCode::Write; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:232:25 [INFO] [stdout] | [INFO] [stdout] 232 | let mut key_len: usize = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log/src/lib.rs:233:25 [INFO] [stdout] | [INFO] [stdout] 233 | let mut key: String = "".to_string(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking memtable v0.1.0 (/opt/rustwide/workdir/src/memtable) [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/memtable/src/skiplist.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::DerefMut` [INFO] [stdout] --> src/memtable/src/skiplist.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::ops::DerefMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicUsize` and `convert::TryInto` [INFO] [stdout] --> src/memtable/src/skiplist.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | convert::TryInto, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 16 | sync::atomic::{AtomicPtr, AtomicUsize}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `result` [INFO] [stdout] --> src/memtable/src/skiplist.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | use std::{ptr, result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp::min` and `f32::consts::E` [INFO] [stdout] --> src/memtable/src/util.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::min, f32::consts::E}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/memtable/src/rbtree.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/memtable/src/skiplist/tests.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Alphanumeric` and `DistString` [INFO] [stdout] --> src/memtable/src/skiplist/tests.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::distributions::{Alphanumeric, DistString}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/memtable/src/skiplist/tests.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/memtable/src/skiplist.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::DerefMut` [INFO] [stdout] --> src/memtable/src/skiplist.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::ops::DerefMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicUsize` and `convert::TryInto` [INFO] [stdout] --> src/memtable/src/skiplist.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | convert::TryInto, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 16 | sync::atomic::{AtomicPtr, AtomicUsize}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `result` [INFO] [stdout] --> src/memtable/src/skiplist.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | use std::{ptr, result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp::min` and `f32::consts::E` [INFO] [stdout] --> src/memtable/src/util.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::min, f32::consts::E}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | .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: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/skiplist.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | let mut new_node = Node::new(key, value.clone(), top_level as usize); [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: value assigned to `marked` is never read [INFO] [stdout] --> src/memtable/src/skiplist.rs:163:21 [INFO] [stdout] | [INFO] [stdout] 163 | 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: `node` [INFO] [stdout] --> src/memtable/src/skiplist.rs:273:25 [INFO] [stdout] | [INFO] [stdout] 273 | let mut node = Box::from_raw(curr); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/memtable/src/skiplist.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | let mut node = Box::from_raw(curr); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/skiplist.rs:273:21 [INFO] [stdout] | [INFO] [stdout] 273 | let mut node = Box::from_raw(curr); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/skiplist.rs:276:17 [INFO] [stdout] | [INFO] [stdout] 276 | let mut node = Box::from_raw(curr); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Memtable` is never used [INFO] [stdout] --> src/memtable/src/lib.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | 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:492:5 [INFO] [stdout] | [INFO] [stdout] 491 | pub struct RBTree { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 492 | root: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 493 | 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:497:12 [INFO] [stdout] | [INFO] [stdout] 496 | impl RBTree { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 497 | pub fn new() -> RBTree { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 504 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 508 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 512 | fn search_node(&self, key: &str) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 527 | pub fn search(&self, key: &str) -> Option<(String, Option)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 535 | pub fn delete(&mut self, key: &str) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 539 | pub fn insert(&mut self, key: &str, val: &str) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 543 | fn insert_generic(&mut self, key: &str, val: Option<&str>) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 590 | fn insert_fixup(&mut self, new_node: Rc>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 680 | fn left_rotate(&mut self, parent_node: Rc>) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 711 | fn right_rotate(&mut self, parent_node: Rc>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 742 | 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:752:8 [INFO] [stdout] | [INFO] [stdout] 751 | impl Succesor { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 752 | 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:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | 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:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | 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:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | 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:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct SkipList [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `MAX_LEVEL`, `new`, `add`, `remove`, and `find` 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 = 31; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 62 | [INFO] [stdout] 63 | pub fn new() -> SkipList { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn add(&self, key: KeyType, value: ValueType) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 127 | pub fn remove(&self, key: KeyType) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 190 | fn find(&self, key: KeyType) -> FindResult { [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:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | 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:7:19 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) struct Node [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new_sentinel` and `new` are never used [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 17 | / impl Node [INFO] [stdout] 18 | | where [INFO] [stdout] 19 | | ValueType: Clone, [INFO] [stdout] | |_____________________- associated functions in this implementation [INFO] [stdout] 20 | { [INFO] [stdout] 21 | pub fn new_sentinel(key: KeyType) -> *mut Node { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | 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:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn generate_random_lvl(max_lvl: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir/src/server) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/memtable/src/skiplist/node.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | .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: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/skiplist/tests.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut skiplist = SkipList::new(); [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: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/skiplist/tests.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut skiplist = SkipList::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/skiplist.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | let mut new_node = Node::new(key, value.clone(), top_level as usize); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `marked` is never read [INFO] [stdout] --> src/memtable/src/skiplist.rs:163:21 [INFO] [stdout] | [INFO] [stdout] 163 | 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: `node` [INFO] [stdout] --> src/memtable/src/skiplist.rs:273:25 [INFO] [stdout] | [INFO] [stdout] 273 | let mut node = Box::from_raw(curr); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/memtable/src/skiplist.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | let mut node = Box::from_raw(curr); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/skiplist.rs:273:21 [INFO] [stdout] | [INFO] [stdout] 273 | let mut node = Box::from_raw(curr); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memtable/src/skiplist.rs:276:17 [INFO] [stdout] | [INFO] [stdout] 276 | let mut node = Box::from_raw(curr); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Memtable` is never used [INFO] [stdout] --> src/memtable/src/lib.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | 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:508:12 [INFO] [stdout] | [INFO] [stdout] 496 | impl RBTree { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 508 | 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:12:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) struct Node [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 12 | 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: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `Command { std: "docker" "inspect" "1821958030e938e023274cdb25094e7fa430c9b7351bb471699b7002263ea148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1821958030e938e023274cdb25094e7fa430c9b7351bb471699b7002263ea148", kill_on_drop: false }` [INFO] [stdout] 1821958030e938e023274cdb25094e7fa430c9b7351bb471699b7002263ea148