[INFO] cloning repository https://github.com/taooceros/skiplist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taooceros/skiplist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaooceros%2Fskiplist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaooceros%2Fskiplist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b24e8a32288aa47b2057f58d4fe358a70a62a0b [INFO] checking taooceros/skiplist against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaooceros%2Fskiplist" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/taooceros/skiplist on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/taooceros/skiplist [INFO] finished tweaking git repo https://github.com/taooceros/skiplist [INFO] tweaked toml for git repo https://github.com/taooceros/skiplist written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/taooceros/skiplist 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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a28cb5d23a42c373957a1422f9b6d14b3267e1f570eceb46c62a3489aa6891a [INFO] running `Command { std: "docker" "start" "-a" "9a28cb5d23a42c373957a1422f9b6d14b3267e1f570eceb46c62a3489aa6891a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a28cb5d23a42c373957a1422f9b6d14b3267e1f570eceb46c62a3489aa6891a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a28cb5d23a42c373957a1422f9b6d14b3267e1f570eceb46c62a3489aa6891a", kill_on_drop: false }` [INFO] [stdout] 9a28cb5d23a42c373957a1422f9b6d14b3267e1f570eceb46c62a3489aa6891a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fb542df892a4ad51ee7d17ea81cf89ea7d3cefd20c1a9fc83ef0ecbb7ec5b69 [INFO] running `Command { std: "docker" "start" "-a" "2fb542df892a4ad51ee7d17ea81cf89ea7d3cefd20c1a9fc83ef0ecbb7ec5b69", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking skiplist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MutexGuard` and `Mutex` [INFO] [stdout] --> src/lock_base/skiplist.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Mutex, MutexGuard}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/lock_base/skiplist/entry.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::intrinsics::breakpoint` [INFO] [stdout] --> src/lock_free/skiplist.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::intrinsics::breakpoint; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::null` [INFO] [stdout] --> src/lock_free/skiplist.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ptr::null; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AtomicBool` [INFO] [stdout] --> src/lock_free/skiplist.rs:6:25 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::atomic::{AtomicBool, Ordering::*}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MutexGuard` and `Mutex` [INFO] [stdout] --> src/lock_free/skiplist.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::{Mutex, MutexGuard}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sync::atomic::AtomicPtr` [INFO] [stdout] --> src/lock_free/skiplist.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | sync::atomic::AtomicPtr, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parking_lot::ReentrantMutex` [INFO] [stdout] --> src/lock_free/skiplist.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use parking_lot::ReentrantMutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Display` [INFO] [stdout] --> src/lock_free/skiplist/entry.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicBool` and `AtomicPtr` [INFO] [stdout] --> src/lock_free/skiplist/entry.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::atomic::{AtomicBool, AtomicPtr}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/lock_free/skiplist/entry.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parking_lot::ReentrantMutex` [INFO] [stdout] --> src/lock_free/skiplist/entry.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use parking_lot::ReentrantMutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MutexGuard` and `Mutex` [INFO] [stdout] --> src/lock_base/skiplist.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Mutex, MutexGuard}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/lock_base/skiplist/entry.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::intrinsics::breakpoint` [INFO] [stdout] --> src/lock_free/skiplist.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::intrinsics::breakpoint; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::null` [INFO] [stdout] --> src/lock_free/skiplist.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ptr::null; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AtomicBool` [INFO] [stdout] --> src/lock_free/skiplist.rs:6:25 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::atomic::{AtomicBool, Ordering::*}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MutexGuard` and `Mutex` [INFO] [stdout] --> src/lock_free/skiplist.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::{Mutex, MutexGuard}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sync::atomic::AtomicPtr` [INFO] [stdout] --> src/lock_free/skiplist.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | sync::atomic::AtomicPtr, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parking_lot::ReentrantMutex` [INFO] [stdout] --> src/lock_free/skiplist.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use parking_lot::ReentrantMutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Display` [INFO] [stdout] --> src/lock_free/skiplist/entry.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicBool` and `AtomicPtr` [INFO] [stdout] --> src/lock_free/skiplist/entry.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::atomic::{AtomicBool, AtomicPtr}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/lock_free/skiplist/entry.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parking_lot::ReentrantMutex` [INFO] [stdout] --> src/lock_free/skiplist/entry.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use parking_lot::ReentrantMutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(strict_provenance)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(strict_provenance)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `marked` [INFO] [stdout] --> src/lock_free/skiplist.rs:203:17 [INFO] [stdout] | [INFO] [stdout] 203 | let mut marked = false; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marked` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `actual` [INFO] [stdout] --> src/lock_free/skiplist.rs:244:38 [INFO] [stdout] | [INFO] [stdout] 244 | ... Err((actual, _)) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lock_free/skiplist.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut marked = false; [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: unused variable: `key` [INFO] [stdout] --> src/lock_free/skiplist.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let key = Key::Entry(key); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `marked` [INFO] [stdout] --> src/lock_free/skiplist.rs:277:39 [INFO] [stdout] | [INFO] [stdout] 277 | let (mut current_ptr, mut marked) = unsafe { (*pred).nexts[level].load(Relaxed) }; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current` [INFO] [stdout] --> src/lock_free/skiplist.rs:278:21 [INFO] [stdout] | [INFO] [stdout] 278 | let mut current = unsafe { current_ptr.as_mut().unwrap() }; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lock_free/skiplist.rs:272:13 [INFO] [stdout] | [INFO] [stdout] 272 | let mut pred = self.head; [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/lock_free/skiplist.rs:277:18 [INFO] [stdout] | [INFO] [stdout] 277 | let (mut current_ptr, mut marked) = unsafe { (*pred).nexts[level].load(Relaxed) }; [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/lock_free/skiplist.rs:277:35 [INFO] [stdout] | [INFO] [stdout] 277 | let (mut current_ptr, mut marked) = unsafe { (*pred).nexts[level].load(Relaxed) }; [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/lock_free/skiplist.rs:278:17 [INFO] [stdout] | [INFO] [stdout] 278 | let mut current = unsafe { current_ptr.as_mut().unwrap() }; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `marked` [INFO] [stdout] --> src/lock_free/skiplist.rs:203:17 [INFO] [stdout] | [INFO] [stdout] 203 | let mut marked = false; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marked` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `actual` [INFO] [stdout] --> src/lock_free/skiplist.rs:244:38 [INFO] [stdout] | [INFO] [stdout] 244 | ... Err((actual, _)) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lock_free/skiplist.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut marked = false; [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: unused variable: `key` [INFO] [stdout] --> src/lock_free/skiplist.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let key = Key::Entry(key); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `marked` [INFO] [stdout] --> src/lock_free/skiplist.rs:277:39 [INFO] [stdout] | [INFO] [stdout] 277 | let (mut current_ptr, mut marked) = unsafe { (*pred).nexts[level].load(Relaxed) }; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current` [INFO] [stdout] --> src/lock_free/skiplist.rs:278:21 [INFO] [stdout] | [INFO] [stdout] 278 | let mut current = unsafe { current_ptr.as_mut().unwrap() }; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lock_free/skiplist.rs:272:13 [INFO] [stdout] | [INFO] [stdout] 272 | let mut pred = self.head; [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/lock_free/skiplist.rs:277:18 [INFO] [stdout] | [INFO] [stdout] 277 | let (mut current_ptr, mut marked) = unsafe { (*pred).nexts[level].load(Relaxed) }; [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/lock_free/skiplist.rs:277:35 [INFO] [stdout] | [INFO] [stdout] 277 | let (mut current_ptr, mut marked) = unsafe { (*pred).nexts[level].load(Relaxed) }; [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/lock_free/skiplist.rs:278:17 [INFO] [stdout] | [INFO] [stdout] 278 | let mut current = unsafe { current_ptr.as_mut().unwrap() }; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/lock_base/skiplist.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lock_base/skiplist.rs:269:12 [INFO] [stdout] | [INFO] [stdout] 54 | / impl SkipList [INFO] [stdout] 55 | | where [INFO] [stdout] 56 | | K: Ord + Debug, [INFO] [stdout] 57 | | C: Fn(&K, &K) -> Ordering, [INFO] [stdout] | |______________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 269 | pub fn get(&self, key: K) -> Option<&V> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lock_free/markable_atomic_ptr.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl MarkableAtomicPtr { [INFO] [stdout] | ---------------------------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(ptr: *mut T, mark: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MASK` is never used [INFO] [stdout] --> src/lock_free/skiplist.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const MASK: usize = !0b1; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extract_ptr` is never used [INFO] [stdout] --> src/lock_free/skiplist.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn extract_ptr<'a, T>(ptr: *mut T) -> (&'a mut T, bool) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mark_ptr` is never used [INFO] [stdout] --> src/lock_free/skiplist.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn mark_ptr(ptr: *mut T) -> *mut T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/lock_free/skiplist.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 40 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lock_free/skiplist.rs:271:12 [INFO] [stdout] | [INFO] [stdout] 72 | / impl SkipList [INFO] [stdout] 73 | | where [INFO] [stdout] 74 | | K: Ord + Debug, [INFO] [stdout] 75 | | C: Fn(&K, &K) -> Ordering, [INFO] [stdout] | |______________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 271 | pub fn get(&self, key: K) -> Option<&V> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/sequencial/skiplist.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/lock_base/skiplist.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lock_base/skiplist.rs:269:12 [INFO] [stdout] | [INFO] [stdout] 54 | / impl SkipList [INFO] [stdout] 55 | | where [INFO] [stdout] 56 | | K: Ord + Debug, [INFO] [stdout] 57 | | C: Fn(&K, &K) -> Ordering, [INFO] [stdout] | |______________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 269 | pub fn get(&self, key: K) -> Option<&V> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lock_free/markable_atomic_ptr.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl MarkableAtomicPtr { [INFO] [stdout] | ---------------------------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(ptr: *mut T, mark: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MASK` is never used [INFO] [stdout] --> src/lock_free/skiplist.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const MASK: usize = !0b1; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extract_ptr` is never used [INFO] [stdout] --> src/lock_free/skiplist.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn extract_ptr<'a, T>(ptr: *mut T) -> (&'a mut T, bool) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mark_ptr` is never used [INFO] [stdout] --> src/lock_free/skiplist.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn mark_ptr(ptr: *mut T) -> *mut T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `key_cmp` is never read [INFO] [stdout] --> src/lock_free/skiplist.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct SkipList Ordering> [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 40 | key_cmp: C, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/skiplist-a704fce18fdc6a32.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/skiplist-a704fce18fdc6a32/dep-bin-skiplist` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `skiplist` (bin "skiplist" test); 31 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/5e7498e6740d105521420ac0ab146e2c7a21596d/bin/rustc --crate-name skiplist --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=8092ba1ec13b7b85 -C extra-filename=-9ce01ad1ef0743f7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-5e57b09058b96e75.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-2d2486bd07dc87a4.rmeta --cap-lints=forbid` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "2fb542df892a4ad51ee7d17ea81cf89ea7d3cefd20c1a9fc83ef0ecbb7ec5b69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fb542df892a4ad51ee7d17ea81cf89ea7d3cefd20c1a9fc83ef0ecbb7ec5b69", kill_on_drop: false }` [INFO] [stdout] 2fb542df892a4ad51ee7d17ea81cf89ea7d3cefd20c1a9fc83ef0ecbb7ec5b69