[INFO] fetching crate bitcoinleveldb-skiplist 0.1.12-alpha.0... [INFO] checking bitcoinleveldb-skiplist-0.1.12-alpha.0 against master#53709aedba198874ee50769f19f1e9ab00798bb5 for pr-108221 [INFO] extracting crate bitcoinleveldb-skiplist 0.1.12-alpha.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate bitcoinleveldb-skiplist 0.1.12-alpha.0 on toolchain 53709aedba198874ee50769f19f1e9ab00798bb5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53709aedba198874ee50769f19f1e9ab00798bb5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bitcoinleveldb-skiplist 0.1.12-alpha.0 [INFO] finished tweaking crates.io crate bitcoinleveldb-skiplist 0.1.12-alpha.0 [INFO] tweaked toml for crates.io crate bitcoinleveldb-skiplist 0.1.12-alpha.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+53709aedba198874ee50769f19f1e9ab00798bb5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53709aedba198874ee50769f19f1e9ab00798bb5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+53709aedba198874ee50769f19f1e9ab00798bb5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7817292d72c54846c1a1204df6cdc85e6f57e516e1ea200cc9a65cf782b1c19 [INFO] running `Command { std: "docker" "start" "-a" "e7817292d72c54846c1a1204df6cdc85e6f57e516e1ea200cc9a65cf782b1c19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7817292d72c54846c1a1204df6cdc85e6f57e516e1ea200cc9a65cf782b1c19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7817292d72c54846c1a1204df6cdc85e6f57e516e1ea200cc9a65cf782b1c19", kill_on_drop: false }` [INFO] [stdout] e7817292d72c54846c1a1204df6cdc85e6f57e516e1ea200cc9a65cf782b1c19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+53709aedba198874ee50769f19f1e9ab00798bb5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4dbb459986028bd0fd5c290bd0f6e23397d9833b49b7b67036dbe9951a334736 [INFO] running `Command { std: "docker" "start" "-a" "4dbb459986028bd0fd5c290bd0f6e23397d9833b49b7b67036dbe9951a334736", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling termcolor v1.2.0 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling backtrace v0.3.67 [INFO] [stderr] Compiling gimli v0.27.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling object v0.30.3 [INFO] [stderr] Compiling miniz_oxide v0.6.2 [INFO] [stderr] Compiling rustc-demangle 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[stderr] Compiling bitcoinleveldb-status v0.1.12-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-util v0.1.12-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-comparator v0.1.12-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-filter v0.1.12-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-key v0.1.12-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-rand v0.1.12-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-arena v0.1.12-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-skiplist v0.1.12-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/skiplist.rs:91:16 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn new(list: *const SkipList>) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/skiplist.rs:168:38 [INFO] [stdout] | [INFO] [stdout] 168 | #[inline] pub fn seek(&mut self, target: &dyn Key) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist.rs:225:16 [INFO] [stdout] | [INFO] [stdout] 225 | pub fn new(k: &Box) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:239:28 [INFO] [stdout] | [INFO] [stdout] 239 | pub fn next(&mut self, n: i32) -> *mut SkipListNode { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:251:9 [INFO] [stdout] | [INFO] [stdout] 251 | n: i32, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/skiplist.rs:252:9 [INFO] [stdout] | [INFO] [stdout] 252 | x: *mut SkipListNode) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:268:39 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn no_barrier_next(&mut self, n: i32) -> *mut SkipListNode { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | n: i32, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/skiplist.rs:279:9 [INFO] [stdout] | [INFO] [stdout] 279 | x: *mut SkipListNode) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/skiplist.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | pub fn equal(&self, a: &Box, b: &Box) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/skiplist.rs:299:43 [INFO] [stdout] | [INFO] [stdout] 299 | pub fn equal(&self, a: &Box, b: &Box) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | key_: &Box, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/skiplist.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | height: i32) -> *mut SkipListNode { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:341:9 [INFO] [stdout] | [INFO] [stdout] 341 | key_: &Box, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | n: *mut SkipListNode) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:362:9 [INFO] [stdout] | [INFO] [stdout] 362 | key_: &Box, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prev` [INFO] [stdout] --> src/skiplist.rs:363:9 [INFO] [stdout] | [INFO] [stdout] 363 | prev: *mut *mut SkipListNode) -> *mut SkipListNode { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_prev` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:393:34 [INFO] [stdout] | [INFO] [stdout] 393 | pub fn find_less_than(&self, key_: &Box) -> *mut SkipListNode { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmp` [INFO] [stdout] --> src/skiplist.rs:452:9 [INFO] [stdout] | [INFO] [stdout] 452 | cmp: Box, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cmp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arena` [INFO] [stdout] --> src/skiplist.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 453 | arena: *mut Arena) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:475:30 [INFO] [stdout] | [INFO] [stdout] 475 | pub fn insert(&mut self, key_: &Box) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:517:28 [INFO] [stdout] | [INFO] [stdout] 517 | pub fn contains(&self, key_: &Box) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/skiplist_test.rs:13:26 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn invoke(&self, a: &Key, b: &Key) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/skiplist_test.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn invoke(&self, a: &Key, b: &Key) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:212:31 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn set(&mut self, k: i32, v: i32) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/skiplist_test.rs:212:39 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn set(&mut self, k: i32, v: i32) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:220:31 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn get(&mut self, k: i32) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist_test.rs:244:16 [INFO] [stdout] | [INFO] [stdout] 244 | pub fn key(key_: Key) -> u64 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist_test.rs:252:16 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn gen(key_: Key) -> u64 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist_test.rs:260:17 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn hash(key_: Key) -> u64 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:268:25 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn hash_numbers(k: u64, g: u64) -> u64 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/skiplist_test.rs:268:33 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn hash_numbers(k: u64, g: u64) -> u64 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | pub fn make_key(k: u64, g: u64) -> Key { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/skiplist_test.rs:277:29 [INFO] [stdout] | [INFO] [stdout] 277 | pub fn make_key(k: u64, g: u64) -> Key { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:288:25 [INFO] [stdout] | [INFO] [stdout] 288 | pub fn is_valid_key(k: Key) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rnd` [INFO] [stdout] --> src/skiplist_test.rs:296:26 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn random_target(rnd: *mut Random) -> Key { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rnd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rnd` [INFO] [stdout] --> src/skiplist_test.rs:318:34 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn write_step(&mut self, rnd: *mut Random) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rnd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rnd` [INFO] [stdout] --> src/skiplist_test.rs:330:33 [INFO] [stdout] | [INFO] [stdout] 330 | pub fn read_step(&mut self, rnd: *mut Random) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rnd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/skiplist_test.rs:436:16 [INFO] [stdout] | [INFO] [stdout] 436 | pub fn new(s: i32) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/skiplist_test.rs:450:28 [INFO] [stdout] | [INFO] [stdout] 450 | pub fn wait(&mut self, s: test_state::ReaderState) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/skiplist_test.rs:463:30 [INFO] [stdout] | [INFO] [stdout] 463 | pub fn change(&mut self, s: test_state::ReaderState) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/skiplist_test.rs:475:22 [INFO] [stdout] | [INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `run` [INFO] [stdout] --> src/skiplist_test.rs:491:19 [INFO] [stdout] | [INFO] [stdout] 491 | fn run_concurrent(run: i32) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_run` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argc` [INFO] [stdout] --> src/skiplist_test.rs:551:9 [INFO] [stdout] | [INFO] [stdout] 551 | argc: i32, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_argc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argv` [INFO] [stdout] --> src/skiplist_test.rs:552:9 [INFO] [stdout] | [INFO] [stdout] 552 | argv: *mut *mut u8) -> i32 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_argv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `compare`, `arena`, `head`, `max_height`, and `rnd` are never read [INFO] [stdout] --> src/skiplist.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct SkipList { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 38 | compare: Comparator, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | arena: *const Arena, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 45 | [INFO] [stdout] 46 | head: *const SkipListNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | max_height: Atomic, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | rnd: Random, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `list` and `node` are never read [INFO] [stdout] --> src/skiplist.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 72 | pub struct SkipListIterator { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 73 | list: *mut SkipList>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 74 | node: *mut SkipListNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `key_` and `next` are never read [INFO] [stdout] --> src/skiplist.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 212 | pub struct SkipListNode { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 213 | key_: Box, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | next: [Atomic<*mut SkipListNode>; 1], [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Key` is never used [INFO] [stdout] --> src/skiplist_test.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | type Key = u64; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SkipTest` is never constructed [INFO] [stdout] --> src/skiplist_test.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct SkipTest {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `current`, `arena`, and `list` are never read [INFO] [stdout] --> src/skiplist_test.rs:170:5 [INFO] [stdout] | [INFO] [stdout] 165 | struct ConcurrentTest { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 170 | current: concurrent_test::State, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 171 | [INFO] [stdout] 172 | arena: Arena, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | list: SkipList, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestState` is never constructed [INFO] [stdout] --> src/skiplist_test.rs:411:8 [INFO] [stdout] | [INFO] [stdout] 411 | struct TestState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `concurrent_reader` is never used [INFO] [stdout] --> src/skiplist_test.rs:475:4 [INFO] [stdout] | [INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_concurrent` is never used [INFO] [stdout] --> src/skiplist_test.rs:491:4 [INFO] [stdout] | [INFO] [stdout] 491 | fn run_concurrent(run: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `skiplist_test_main` is never used [INFO] [stdout] --> src/skiplist_test.rs:550:4 [INFO] [stdout] | [INFO] [stdout] 550 | fn skiplist_test_main( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `invoke` is never used [INFO] [stdout] --> src/skiplist_test.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn invoke(&self, a: &Key, b: &Key) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `key` is never used [INFO] [stdout] --> src/skiplist_test.rs:244:12 [INFO] [stdout] | [INFO] [stdout] 244 | pub fn key(key_: Key) -> u64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `gen` is never used [INFO] [stdout] --> src/skiplist_test.rs:252:12 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn gen(key_: Key) -> u64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `hash` is never used [INFO] [stdout] --> src/skiplist_test.rs:260:12 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn hash(key_: Key) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `hash_numbers` is never used [INFO] [stdout] --> src/skiplist_test.rs:268:12 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn hash_numbers(k: u64, g: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `make_key` is never used [INFO] [stdout] --> src/skiplist_test.rs:277:12 [INFO] [stdout] | [INFO] [stdout] 277 | pub fn make_key(k: u64, g: u64) -> Key { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_valid_key` is never used [INFO] [stdout] --> src/skiplist_test.rs:288:12 [INFO] [stdout] | [INFO] [stdout] 288 | pub fn is_valid_key(k: Key) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `random_target` is never used [INFO] [stdout] --> src/skiplist_test.rs:296:12 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn random_target(rnd: *mut Random) -> Key { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `write_step` is never used [INFO] [stdout] --> src/skiplist_test.rs:318:12 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn write_step(&mut self, rnd: *mut Random) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `read_step` is never used [INFO] [stdout] --> src/skiplist_test.rs:330:12 [INFO] [stdout] | [INFO] [stdout] 330 | pub fn read_step(&mut self, rnd: *mut Random) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/skiplist_test.rs:436:12 [INFO] [stdout] | [INFO] [stdout] 436 | pub fn new(s: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `wait` is never used [INFO] [stdout] --> src/skiplist_test.rs:450:12 [INFO] [stdout] | [INFO] [stdout] 450 | pub fn wait(&mut self, s: test_state::ReaderState) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `change` is never used [INFO] [stdout] --> src/skiplist_test.rs:463:12 [INFO] [stdout] | [INFO] [stdout] 463 | pub fn change(&mut self, s: test_state::ReaderState) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `generation` is never read [INFO] [stdout] --> src/skiplist_test.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 192 | pub struct State { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 193 | generation: [AtomicI32; K], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `set` is never used [INFO] [stdout] --> src/skiplist_test.rs:212:16 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn set(&mut self, k: i32, v: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `get` is never used [INFO] [stdout] --> src/skiplist_test.rs:220:16 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn get(&mut self, k: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Inner` is never constructed [INFO] [stdout] --> src/skiplist_test.rs:422:16 [INFO] [stdout] | [INFO] [stdout] 422 | pub struct Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ReaderState` is never used [INFO] [stdout] --> src/skiplist_test.rs:427:14 [INFO] [stdout] | [INFO] [stdout] 427 | pub enum ReaderState { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SkipListMaxHeight` should have an upper case name [INFO] [stdout] --> src/skiplist.rs:64:11 [INFO] [stdout] | [INFO] [stdout] 64 | pub const SkipListMaxHeight: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SKIP_LIST_MAX_HEIGHT` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/skiplist.rs:91:16 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn new(list: *const SkipList>) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/skiplist.rs:168:38 [INFO] [stdout] | [INFO] [stdout] 168 | #[inline] pub fn seek(&mut self, target: &dyn Key) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist.rs:225:16 [INFO] [stdout] | [INFO] [stdout] 225 | pub fn new(k: &Box) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:239:28 [INFO] [stdout] | [INFO] [stdout] 239 | pub fn next(&mut self, n: i32) -> *mut SkipListNode { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:251:9 [INFO] [stdout] | [INFO] [stdout] 251 | n: i32, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/skiplist.rs:252:9 [INFO] [stdout] | [INFO] [stdout] 252 | x: *mut SkipListNode) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:268:39 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn no_barrier_next(&mut self, n: i32) -> *mut SkipListNode { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | n: i32, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/skiplist.rs:279:9 [INFO] [stdout] | [INFO] [stdout] 279 | x: *mut SkipListNode) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/skiplist.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | pub fn equal(&self, a: &Box, b: &Box) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/skiplist.rs:299:43 [INFO] [stdout] | [INFO] [stdout] 299 | pub fn equal(&self, a: &Box, b: &Box) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | key_: &Box, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 74 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/skiplist.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | height: i32) -> *mut SkipListNode { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:341:9 [INFO] [stdout] | [INFO] [stdout] 341 | key_: &Box, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/skiplist.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | n: *mut SkipListNode) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:362:9 [INFO] [stdout] | [INFO] [stdout] 362 | key_: &Box, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prev` [INFO] [stdout] --> src/skiplist.rs:363:9 [INFO] [stdout] | [INFO] [stdout] 363 | prev: *mut *mut SkipListNode) -> *mut SkipListNode { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_prev` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:393:34 [INFO] [stdout] | [INFO] [stdout] 393 | pub fn find_less_than(&self, key_: &Box) -> *mut SkipListNode { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmp` [INFO] [stdout] --> src/skiplist.rs:452:9 [INFO] [stdout] | [INFO] [stdout] 452 | cmp: Box, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cmp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arena` [INFO] [stdout] --> src/skiplist.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 453 | arena: *mut Arena) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:475:30 [INFO] [stdout] | [INFO] [stdout] 475 | pub fn insert(&mut self, key_: &Box) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist.rs:517:28 [INFO] [stdout] | [INFO] [stdout] 517 | pub fn contains(&self, key_: &Box) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/skiplist_test.rs:13:26 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn invoke(&self, a: &Key, b: &Key) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/skiplist_test.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn invoke(&self, a: &Key, b: &Key) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:212:31 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn set(&mut self, k: i32, v: i32) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/skiplist_test.rs:212:39 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn set(&mut self, k: i32, v: i32) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:220:31 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn get(&mut self, k: i32) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist_test.rs:244:16 [INFO] [stdout] | [INFO] [stdout] 244 | pub fn key(key_: Key) -> u64 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist_test.rs:252:16 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn gen(key_: Key) -> u64 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_` [INFO] [stdout] --> src/skiplist_test.rs:260:17 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn hash(key_: Key) -> u64 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_key_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:268:25 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn hash_numbers(k: u64, g: u64) -> u64 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/skiplist_test.rs:268:33 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn hash_numbers(k: u64, g: u64) -> u64 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | pub fn make_key(k: u64, g: u64) -> Key { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/skiplist_test.rs:277:29 [INFO] [stdout] | [INFO] [stdout] 277 | pub fn make_key(k: u64, g: u64) -> Key { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/skiplist_test.rs:288:25 [INFO] [stdout] | [INFO] [stdout] 288 | pub fn is_valid_key(k: Key) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rnd` [INFO] [stdout] --> src/skiplist_test.rs:296:26 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn random_target(rnd: *mut Random) -> Key { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rnd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rnd` [INFO] [stdout] --> src/skiplist_test.rs:318:34 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn write_step(&mut self, rnd: *mut Random) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rnd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rnd` [INFO] [stdout] --> src/skiplist_test.rs:330:33 [INFO] [stdout] | [INFO] [stdout] 330 | pub fn read_step(&mut self, rnd: *mut Random) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rnd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/skiplist_test.rs:436:16 [INFO] [stdout] | [INFO] [stdout] 436 | pub fn new(s: i32) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/skiplist_test.rs:450:28 [INFO] [stdout] | [INFO] [stdout] 450 | pub fn wait(&mut self, s: test_state::ReaderState) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/skiplist_test.rs:463:30 [INFO] [stdout] | [INFO] [stdout] 463 | pub fn change(&mut self, s: test_state::ReaderState) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/skiplist_test.rs:475:22 [INFO] [stdout] | [INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `run` [INFO] [stdout] --> src/skiplist_test.rs:491:19 [INFO] [stdout] | [INFO] [stdout] 491 | fn run_concurrent(run: i32) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_run` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argc` [INFO] [stdout] --> src/skiplist_test.rs:551:9 [INFO] [stdout] | [INFO] [stdout] 551 | argc: i32, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_argc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argv` [INFO] [stdout] --> src/skiplist_test.rs:552:9 [INFO] [stdout] | [INFO] [stdout] 552 | argv: *mut *mut u8) -> i32 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_argv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `compare`, `arena`, `head`, `max_height`, and `rnd` are never read [INFO] [stdout] --> src/skiplist.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct SkipList { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 38 | compare: Comparator, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | arena: *const Arena, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 45 | [INFO] [stdout] 46 | head: *const SkipListNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | max_height: Atomic, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | rnd: Random, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `list` and `node` are never read [INFO] [stdout] --> src/skiplist.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 72 | pub struct SkipListIterator { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 73 | list: *mut SkipList>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 74 | node: *mut SkipListNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `key_` and `next` are never read [INFO] [stdout] --> src/skiplist.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 212 | pub struct SkipListNode { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 213 | key_: Box, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | next: [Atomic<*mut SkipListNode>; 1], [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Key` is never used [INFO] [stdout] --> src/skiplist_test.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | type Key = u64; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SkipTest` is never constructed [INFO] [stdout] --> src/skiplist_test.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct SkipTest {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `current`, `arena`, and `list` are never read [INFO] [stdout] --> src/skiplist_test.rs:170:5 [INFO] [stdout] | [INFO] [stdout] 165 | struct ConcurrentTest { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 170 | current: concurrent_test::State, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 171 | [INFO] [stdout] 172 | arena: Arena, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | list: SkipList, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestState` is never constructed [INFO] [stdout] --> src/skiplist_test.rs:411:8 [INFO] [stdout] | [INFO] [stdout] 411 | struct TestState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `concurrent_reader` is never used [INFO] [stdout] --> src/skiplist_test.rs:475:4 [INFO] [stdout] | [INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_concurrent` is never used [INFO] [stdout] --> src/skiplist_test.rs:491:4 [INFO] [stdout] | [INFO] [stdout] 491 | fn run_concurrent(run: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `skiplist_test_main` is never used [INFO] [stdout] --> src/skiplist_test.rs:550:4 [INFO] [stdout] | [INFO] [stdout] 550 | fn skiplist_test_main( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `invoke` is never used [INFO] [stdout] --> src/skiplist_test.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn invoke(&self, a: &Key, b: &Key) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `key` is never used [INFO] [stdout] --> src/skiplist_test.rs:244:12 [INFO] [stdout] | [INFO] [stdout] 244 | pub fn key(key_: Key) -> u64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `gen` is never used [INFO] [stdout] --> src/skiplist_test.rs:252:12 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn gen(key_: Key) -> u64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `hash` is never used [INFO] [stdout] --> src/skiplist_test.rs:260:12 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn hash(key_: Key) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `hash_numbers` is never used [INFO] [stdout] --> src/skiplist_test.rs:268:12 [INFO] [stdout] | [INFO] [stdout] 268 | pub fn hash_numbers(k: u64, g: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `make_key` is never used [INFO] [stdout] --> src/skiplist_test.rs:277:12 [INFO] [stdout] | [INFO] [stdout] 277 | pub fn make_key(k: u64, g: u64) -> Key { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_valid_key` is never used [INFO] [stdout] --> src/skiplist_test.rs:288:12 [INFO] [stdout] | [INFO] [stdout] 288 | pub fn is_valid_key(k: Key) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `random_target` is never used [INFO] [stdout] --> src/skiplist_test.rs:296:12 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn random_target(rnd: *mut Random) -> Key { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `write_step` is never used [INFO] [stdout] --> src/skiplist_test.rs:318:12 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn write_step(&mut self, rnd: *mut Random) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `read_step` is never used [INFO] [stdout] --> src/skiplist_test.rs:330:12 [INFO] [stdout] | [INFO] [stdout] 330 | pub fn read_step(&mut self, rnd: *mut Random) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/skiplist_test.rs:436:12 [INFO] [stdout] | [INFO] [stdout] 436 | pub fn new(s: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `wait` is never used [INFO] [stdout] --> src/skiplist_test.rs:450:12 [INFO] [stdout] | [INFO] [stdout] 450 | pub fn wait(&mut self, s: test_state::ReaderState) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `change` is never used [INFO] [stdout] --> src/skiplist_test.rs:463:12 [INFO] [stdout] | [INFO] [stdout] 463 | pub fn change(&mut self, s: test_state::ReaderState) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `generation` is never read [INFO] [stdout] --> src/skiplist_test.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 192 | pub struct State { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 193 | generation: [AtomicI32; K], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `set` is never used [INFO] [stdout] --> src/skiplist_test.rs:212:16 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn set(&mut self, k: i32, v: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `get` is never used [INFO] [stdout] --> src/skiplist_test.rs:220:16 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn get(&mut self, k: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Inner` is never constructed [INFO] [stdout] --> src/skiplist_test.rs:422:16 [INFO] [stdout] | [INFO] [stdout] 422 | pub struct Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ReaderState` is never used [INFO] [stdout] --> src/skiplist_test.rs:427:14 [INFO] [stdout] | [INFO] [stdout] 427 | pub enum ReaderState { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `SkipListMaxHeight` should have an upper case name [INFO] [stdout] --> src/skiplist.rs:64:11 [INFO] [stdout] | [INFO] [stdout] 64 | pub const SkipListMaxHeight: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SKIP_LIST_MAX_HEIGHT` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 74 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 29s [INFO] running `Command { std: "docker" "inspect" "4dbb459986028bd0fd5c290bd0f6e23397d9833b49b7b67036dbe9951a334736", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dbb459986028bd0fd5c290bd0f6e23397d9833b49b7b67036dbe9951a334736", kill_on_drop: false }` [INFO] [stdout] 4dbb459986028bd0fd5c290bd0f6e23397d9833b49b7b67036dbe9951a334736