[INFO] fetching crate seaslug 0.0.0...
[INFO] testing seaslug-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate seaslug 0.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate seaslug 0.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seaslug 0.0.0
[INFO] finished tweaking crates.io crate seaslug 0.0.0
[INFO] tweaked toml for crates.io crate seaslug 0.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate seaslug 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.4.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.23
[INFO] [stderr]   Downloaded regex v1.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6186942b39104991a7a5700b6f3101d92389c8cd6113c4de9ee5c6c61c1066ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6186942b39104991a7a5700b6f3101d92389c8cd6113c4de9ee5c6c61c1066ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6186942b39104991a7a5700b6f3101d92389c8cd6113c4de9ee5c6c61c1066ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6186942b39104991a7a5700b6f3101d92389c8cd6113c4de9ee5c6c61c1066ad", kill_on_drop: false }`
[INFO] [stdout] 6186942b39104991a7a5700b6f3101d92389c8cd6113c4de9ee5c6c61c1066ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c1dd5e10c17178b4a954be2c3bffee39871f670a62625416c13f22d7efa77f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "50c1dd5e10c17178b4a954be2c3bffee39871f670a62625416c13f22d7efa77f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling pico-args v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling regex v1.4.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.5
[INFO] [stderr]    Compiling lalrpop v0.19.5
[INFO] [stderr]    Compiling seaslug v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ebr::pin`
[INFO] [stdout]   --> src/lib.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |     cache_padded::CachePadded, ebr::pin, histogram::Histogram, lazy::Lazy,
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/seaslug-8962298c2074cbee/out/syntax.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn load(path: &str) -> Ast {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:87:14
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn start(args: &Args) -> Scheduler {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ast`
[INFO] [stdout]   --> src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     ast: Ast,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `scheduler`
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     scheduler: Scheduler,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `work`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     work: MachineTable,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MessageBus`
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct MessageBus;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Stm`
[INFO] [stdout]   --> src/lib.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct Stm;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ast`
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     ast: Ast,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Module`
[INFO] [stdout]  --> src/ast.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Module {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/ast.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Struct {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Enum`
[INFO] [stdout]   --> src/ast.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Enum {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]   --> src/ast.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Function {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Item`
[INFO] [stdout]   --> src/ast.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Item {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Behavior`
[INFO] [stdout]   --> src/ast.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum Behavior {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `defer`
[INFO] [stdout]   --> src/ebr/mod.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn defer<F, R>(&self, f: F)
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flush`
[INFO] [stdout]   --> src/ebr/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn flush(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/io/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn new() -> io::Result<Uring> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FAN_MASK`
[INFO] [stdout]   --> src/machine_table.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | const FAN_MASK: u64 = (NODE2_FAN_OUT - 1) as u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/machine_table.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn new() -> Owned<Node2> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `free`
[INFO] [stdout]    --> src/machine_table.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     free: Stack<MachineId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `highest_mid`
[INFO] [stdout]    --> src/machine_table.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     highest_mid: AtomicU64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_mid`
[INFO] [stdout]    --> src/machine_table.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     max_mid: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/machine_table.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub(crate) fn insert<'g>(&self, item: Machine, guard: &'g Guard) -> Option<MachineId> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/machine_table.rs:157:19
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub(crate) fn get<'g>(&self, pid: MachineId, guard: &'g Guard) -> Shared<'g, Machine> {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_pid`
[INFO] [stdout]    --> src/machine_table.rs:171:19
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub(crate) fn contains_pid(&self, pid: MachineId, guard: &Guard) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `traverse`
[INFO] [stdout]    --> src/machine_table.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn traverse<'g>(&self, k: MachineId, guard: &'g Guard) -> &'g Atomic<Machine> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_fanout`
[INFO] [stdout]    --> src/machine_table.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn split_fanout(id: MachineId) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `safe_usize`
[INFO] [stdout]    --> src/machine_table.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn safe_usize(value: MachineId) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/stack.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub(crate) fn push(&self, inner: T, guard: &Guard) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_iter`
[INFO] [stdout]    --> src/stack.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub(crate) fn take_iter<'a>(
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/stack.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub(crate) fn pop(&self, guard: &Guard) -> Option<T> {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/ebr/internal.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub(super) fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bag`
[INFO] [stdout]    --> src/ebr/internal.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     bag: Bag,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `SealedBag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/ebr/internal.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 | #[derive(Default, Debug)]
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flush`
[INFO] [stdout]    --> src/ebr/internal.rs:460:19
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub(super) fn flush(&self, guard: &Guard) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mu`
[INFO] [stdout]   --> src/io/completion.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     mu: Arc<Mutex<CompletionState>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Filler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/completion.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cv`
[INFO] [stdout]   --> src/io/completion.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     cv: Arc<Condvar>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Filler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/completion.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wait`
[INFO] [stdout]   --> src/io/completion.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn wait(self) -> io::Result<C>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill`
[INFO] [stdout]    --> src/io/completion.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn fill(self, inner: io::Result<io_uring_cqe>) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Ordering` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/mod.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Clone, Debug, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Link`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Ordering` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/mod.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Clone, Debug, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `uring_mmap`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn uring_mmap(size: usize, ring_fd: i32, offset: i64) -> io::Result<*mut libc::c_void> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/io/io_uring/config.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn start(mut self) -> io::Result<Uring> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `khead`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     khead: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ktail`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ktail: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kring_mask`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     kring_mask: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `koverflow`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     koverflow: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cqes`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     cqes: *mut [io_uring_cqe],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ticket_queue`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ticket_queue: Arc<TicketQueue>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_flight`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     in_flight: Arc<InFlight>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reaper`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub(crate) fn reaper(&mut self, ring_fd: i32) {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_for_cqe`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |         fn block_for_cqe(ring_fd: i32) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reap_ready_cqes`
[INFO] [stdout]    --> src/io/io_uring/cq.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn reap_ready_cqes(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/in_flight.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(crate) fn new(size: usize) -> InFlight {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_filler`
[INFO] [stdout]   --> src/io/io_uring/in_flight.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub(crate) fn take_filler(
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/sq.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/ticket_queue.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) fn new(size: usize) -> TicketQueue {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_multi`
[INFO] [stdout]   --> src/io/io_uring/ticket_queue.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub(crate) fn push_multi(
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/uring.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accept`
[INFO] [stdout]   --> src/io/io_uring/uring.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn accept<'a>(&'a self, tcp_listener: &'a TcpListener) -> Completion<'a, TcpStream> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `connect`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn connect<'a, F>(
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn send<'a, F, B>(&'a self, stream: &'a F, iov: &'a B) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn send_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn recv<'a, F, B>(&'a self, stream: &'a F, iov: &'a B) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn recv_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fsync`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn fsync<'a>(&'a self, file: &'a File) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fsync_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:285:12
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub fn fsync_ordered<'a>(&'a self, file: &'a File, ordering: Ordering) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fdatasync`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn fdatasync<'a>(&'a self, file: &'a File) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fdatasync_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:342:12
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn fdatasync_ordered<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sync_file_range`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:366:12
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn sync_file_range<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sync_file_range_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:387:12
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn sync_file_range_ordered<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_at`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn write_at<'a, F, B>(&'a self, file: &'a F, iov: &'a B, at: u64) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_at_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:455:12
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn write_at_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_at`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:481:12
[INFO] [stdout]     |
[INFO] [stdout] 481 |     pub fn read_at<'a, F, B>(&'a self, file: &'a F, iov: &'a B, at: u64) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_at_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:510:12
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn read_at_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nop`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:528:12
[INFO] [stdout]     |
[INFO] [stdout] 528 |     pub fn nop<'a>(&'a self) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nop_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:534:12
[INFO] [stdout]     |
[INFO] [stdout] 534 |     pub fn nop_ordered<'a>(&'a self, ordering: Ordering) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `submit_all`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:558:12
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub fn submit_all(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addr2raw`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:610:4
[INFO] [stdout]     |
[INFO] [stdout] 610 | fn addr2raw(addr: &std::net::SocketAddr) -> (*const libc::sockaddr, libc::socklen_t) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 81 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "50c1dd5e10c17178b4a954be2c3bffee39871f670a62625416c13f22d7efa77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c1dd5e10c17178b4a954be2c3bffee39871f670a62625416c13f22d7efa77f", kill_on_drop: false }`
[INFO] [stdout] 50c1dd5e10c17178b4a954be2c3bffee39871f670a62625416c13f22d7efa77f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 744568a418ffa9b861f145413a920b16f708887afbd028ff63d89c4b80e00e1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "744568a418ffa9b861f145413a920b16f708887afbd028ff63d89c4b80e00e1f", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `ebr::pin`
[INFO] [stdout]   --> src/lib.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |     cache_padded::CachePadded, ebr::pin, histogram::Histogram, lazy::Lazy,
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/seaslug-8962298c2074cbee/out/syntax.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn load(path: &str) -> Ast {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:87:14
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn start(args: &Args) -> Scheduler {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ast`
[INFO] [stdout]   --> src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     ast: Ast,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `scheduler`
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     scheduler: Scheduler,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `work`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     work: MachineTable,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MessageBus`
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct MessageBus;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Stm`
[INFO] [stdout]   --> src/lib.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct Stm;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ast`
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     ast: Ast,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Module`
[INFO] [stdout]  --> src/ast.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Module {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/ast.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Struct {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Enum`
[INFO] [stdout]   --> src/ast.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Enum {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]   --> src/ast.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Function {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Item`
[INFO] [stdout]   --> src/ast.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Item {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Behavior`
[INFO] [stdout]   --> src/ast.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum Behavior {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `defer`
[INFO] [stdout]   --> src/ebr/mod.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn defer<F, R>(&self, f: F)
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flush`
[INFO] [stdout]   --> src/ebr/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn flush(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/io/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn new() -> io::Result<Uring> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FAN_MASK`
[INFO] [stdout]   --> src/machine_table.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | const FAN_MASK: u64 = (NODE2_FAN_OUT - 1) as u64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/machine_table.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn new() -> Owned<Node2> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `free`
[INFO] [stdout]    --> src/machine_table.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     free: Stack<MachineId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `highest_mid`
[INFO] [stdout]    --> src/machine_table.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     highest_mid: AtomicU64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_mid`
[INFO] [stdout]    --> src/machine_table.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     max_mid: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/machine_table.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub(crate) fn insert<'g>(&self, item: Machine, guard: &'g Guard) -> Option<MachineId> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/machine_table.rs:157:19
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub(crate) fn get<'g>(&self, pid: MachineId, guard: &'g Guard) -> Shared<'g, Machine> {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_pid`
[INFO] [stdout]    --> src/machine_table.rs:171:19
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub(crate) fn contains_pid(&self, pid: MachineId, guard: &Guard) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `traverse`
[INFO] [stdout]    --> src/machine_table.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn traverse<'g>(&self, k: MachineId, guard: &'g Guard) -> &'g Atomic<Machine> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_fanout`
[INFO] [stdout]    --> src/machine_table.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn split_fanout(id: MachineId) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `safe_usize`
[INFO] [stdout]    --> src/machine_table.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn safe_usize(value: MachineId) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/stack.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub(crate) fn push(&self, inner: T, guard: &Guard) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_iter`
[INFO] [stdout]    --> src/stack.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub(crate) fn take_iter<'a>(
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/stack.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub(crate) fn pop(&self, guard: &Guard) -> Option<T> {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/ebr/internal.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub(super) fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bag`
[INFO] [stdout]    --> src/ebr/internal.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     bag: Bag,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `SealedBag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/ebr/internal.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 | #[derive(Default, Debug)]
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flush`
[INFO] [stdout]    --> src/ebr/internal.rs:460:19
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub(super) fn flush(&self, guard: &Guard) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mu`
[INFO] [stdout]   --> src/io/completion.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     mu: Arc<Mutex<CompletionState>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Filler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/completion.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cv`
[INFO] [stdout]   --> src/io/completion.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     cv: Arc<Condvar>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Filler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/completion.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wait`
[INFO] [stdout]   --> src/io/completion.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn wait(self) -> io::Result<C>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill`
[INFO] [stdout]    --> src/io/completion.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn fill(self, inner: io::Result<io_uring_cqe>) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Ordering` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/mod.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Clone, Debug, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Link`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Ordering` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/mod.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Clone, Debug, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `uring_mmap`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn uring_mmap(size: usize, ring_fd: i32, offset: i64) -> io::Result<*mut libc::c_void> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/io/io_uring/config.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn start(mut self) -> io::Result<Uring> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `khead`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     khead: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ktail`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ktail: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kring_mask`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     kring_mask: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `koverflow`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     koverflow: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cqes`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     cqes: *mut [io_uring_cqe],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ticket_queue`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ticket_queue: Arc<TicketQueue>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_flight`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     in_flight: Arc<InFlight>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling seaslug v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reaper`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub(crate) fn reaper(&mut self, ring_fd: i32) {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_for_cqe`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |         fn block_for_cqe(ring_fd: i32) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reap_ready_cqes`
[INFO] [stdout]    --> src/io/io_uring/cq.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn reap_ready_cqes(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/in_flight.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(crate) fn new(size: usize) -> InFlight {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_filler`
[INFO] [stdout]   --> src/io/io_uring/in_flight.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub(crate) fn take_filler(
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/sq.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/ticket_queue.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) fn new(size: usize) -> TicketQueue {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_multi`
[INFO] [stdout]   --> src/io/io_uring/ticket_queue.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub(crate) fn push_multi(
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/uring.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accept`
[INFO] [stdout]   --> src/io/io_uring/uring.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn accept<'a>(&'a self, tcp_listener: &'a TcpListener) -> Completion<'a, TcpStream> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `connect`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn connect<'a, F>(
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn send<'a, F, B>(&'a self, stream: &'a F, iov: &'a B) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn send_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn recv<'a, F, B>(&'a self, stream: &'a F, iov: &'a B) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn recv_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fsync`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn fsync<'a>(&'a self, file: &'a File) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fsync_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:285:12
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub fn fsync_ordered<'a>(&'a self, file: &'a File, ordering: Ordering) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fdatasync`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn fdatasync<'a>(&'a self, file: &'a File) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fdatasync_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:342:12
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn fdatasync_ordered<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sync_file_range`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:366:12
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn sync_file_range<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sync_file_range_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:387:12
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn sync_file_range_ordered<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_at`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn write_at<'a, F, B>(&'a self, file: &'a F, iov: &'a B, at: u64) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_at_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:455:12
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn write_at_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_at`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:481:12
[INFO] [stdout]     |
[INFO] [stdout] 481 |     pub fn read_at<'a, F, B>(&'a self, file: &'a F, iov: &'a B, at: u64) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_at_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:510:12
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn read_at_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nop`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:528:12
[INFO] [stdout]     |
[INFO] [stdout] 528 |     pub fn nop<'a>(&'a self) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nop_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:534:12
[INFO] [stdout]     |
[INFO] [stdout] 534 |     pub fn nop_ordered<'a>(&'a self, ordering: Ordering) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `submit_all`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:558:12
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub fn submit_all(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addr2raw`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:610:4
[INFO] [stdout]     |
[INFO] [stdout] 610 | fn addr2raw(addr: &std::net::SocketAddr) -> (*const libc::sockaddr, libc::socklen_t) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 81 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/seaslug-8962298c2074cbee/out/syntax.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn load(path: &str) -> Ast {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:87:14
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn start(args: &Args) -> Scheduler {
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ast`
[INFO] [stdout]   --> src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     ast: Ast,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `scheduler`
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     scheduler: Scheduler,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `work`
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     work: MachineTable,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MessageBus`
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct MessageBus;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Stm`
[INFO] [stdout]   --> src/lib.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct Stm;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ast`
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     ast: Ast,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Module`
[INFO] [stdout]  --> src/ast.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Module {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/ast.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Struct {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Enum`
[INFO] [stdout]   --> src/ast.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Enum {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]   --> src/ast.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Function {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Item`
[INFO] [stdout]   --> src/ast.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Item {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Behavior`
[INFO] [stdout]   --> src/ast.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum Behavior {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `defer`
[INFO] [stdout]   --> src/ebr/mod.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn defer<F, R>(&self, f: F)
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/io/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn new() -> io::Result<Uring> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/machine_table.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn new() -> Owned<Node2> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `free`
[INFO] [stdout]    --> src/machine_table.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     free: Stack<MachineId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `highest_mid`
[INFO] [stdout]    --> src/machine_table.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     highest_mid: AtomicU64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_mid`
[INFO] [stdout]    --> src/machine_table.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     max_mid: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/machine_table.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub(crate) fn insert<'g>(&self, item: Machine, guard: &'g Guard) -> Option<MachineId> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/machine_table.rs:157:19
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub(crate) fn get<'g>(&self, pid: MachineId, guard: &'g Guard) -> Shared<'g, Machine> {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_pid`
[INFO] [stdout]    --> src/machine_table.rs:171:19
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub(crate) fn contains_pid(&self, pid: MachineId, guard: &Guard) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `traverse`
[INFO] [stdout]    --> src/machine_table.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn traverse<'g>(&self, k: MachineId, guard: &'g Guard) -> &'g Atomic<Machine> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_iter`
[INFO] [stdout]    --> src/stack.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub(crate) fn take_iter<'a>(
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bag`
[INFO] [stdout]    --> src/ebr/internal.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     bag: Bag,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `SealedBag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/ebr/internal.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 | #[derive(Default, Debug)]
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mu`
[INFO] [stdout]   --> src/io/completion.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     mu: Arc<Mutex<CompletionState>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Filler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/completion.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cv`
[INFO] [stdout]   --> src/io/completion.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     cv: Arc<Condvar>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Filler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/completion.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wait`
[INFO] [stdout]   --> src/io/completion.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn wait(self) -> io::Result<C>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill`
[INFO] [stdout]    --> src/io/completion.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn fill(self, inner: io::Result<io_uring_cqe>) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Ordering` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/mod.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Clone, Debug, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Link`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Ordering` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/mod.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Clone, Debug, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `uring_mmap`
[INFO] [stdout]   --> src/io/io_uring/mod.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn uring_mmap(size: usize, ring_fd: i32, offset: i64) -> io::Result<*mut libc::c_void> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/io/io_uring/config.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn start(mut self) -> io::Result<Uring> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `khead`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     khead: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ktail`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ktail: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kring_mask`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     kring_mask: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `koverflow`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     koverflow: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cqes`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     cqes: *mut [io_uring_cqe],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ticket_queue`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ticket_queue: Arc<TicketQueue>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_flight`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     in_flight: Arc<InFlight>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reaper`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub(crate) fn reaper(&mut self, ring_fd: i32) {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_for_cqe`
[INFO] [stdout]   --> src/io/io_uring/cq.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |         fn block_for_cqe(ring_fd: i32) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reap_ready_cqes`
[INFO] [stdout]    --> src/io/io_uring/cq.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn reap_ready_cqes(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/in_flight.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(crate) fn new(size: usize) -> InFlight {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_filler`
[INFO] [stdout]   --> src/io/io_uring/in_flight.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub(crate) fn take_filler(
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/sq.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/ticket_queue.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) fn new(size: usize) -> TicketQueue {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_multi`
[INFO] [stdout]   --> src/io/io_uring/ticket_queue.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub(crate) fn push_multi(
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/io/io_uring/uring.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accept`
[INFO] [stdout]   --> src/io/io_uring/uring.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn accept<'a>(&'a self, tcp_listener: &'a TcpListener) -> Completion<'a, TcpStream> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `connect`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn connect<'a, F>(
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn send<'a, F, B>(&'a self, stream: &'a F, iov: &'a B) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn send_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn recv<'a, F, B>(&'a self, stream: &'a F, iov: &'a B) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn recv_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fsync`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn fsync<'a>(&'a self, file: &'a File) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fsync_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:285:12
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub fn fsync_ordered<'a>(&'a self, file: &'a File, ordering: Ordering) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fdatasync`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn fdatasync<'a>(&'a self, file: &'a File) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fdatasync_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:342:12
[INFO] [stdout]     |
[INFO] [stdout] 342 |     pub fn fdatasync_ordered<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sync_file_range`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:366:12
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn sync_file_range<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sync_file_range_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:387:12
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn sync_file_range_ordered<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_at`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn write_at<'a, F, B>(&'a self, file: &'a F, iov: &'a B, at: u64) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_at_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:455:12
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn write_at_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_at`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:481:12
[INFO] [stdout]     |
[INFO] [stdout] 481 |     pub fn read_at<'a, F, B>(&'a self, file: &'a F, iov: &'a B, at: u64) -> Completion<'a, usize>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_at_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:510:12
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub fn read_at_ordered<'a, F, B>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nop`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:528:12
[INFO] [stdout]     |
[INFO] [stdout] 528 |     pub fn nop<'a>(&'a self) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nop_ordered`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:534:12
[INFO] [stdout]     |
[INFO] [stdout] 534 |     pub fn nop_ordered<'a>(&'a self, ordering: Ordering) -> Completion<'a, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `submit_all`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:558:12
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub fn submit_all(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addr2raw`
[INFO] [stdout]    --> src/io/io_uring/uring.rs:610:4
[INFO] [stdout]     |
[INFO] [stdout] 610 | fn addr2raw(addr: &std::net::SocketAddr) -> (*const libc::sockaddr, libc::socklen_t) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 72 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "744568a418ffa9b861f145413a920b16f708887afbd028ff63d89c4b80e00e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744568a418ffa9b861f145413a920b16f708887afbd028ff63d89c4b80e00e1f", kill_on_drop: false }`
[INFO] [stdout] 744568a418ffa9b861f145413a920b16f708887afbd028ff63d89c4b80e00e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20f4b40d1263468a3f84ba8665b953423b7228fc389047c74a1c889f93ca4525
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20f4b40d1263468a3f84ba8665b953423b7228fc389047c74a1c889f93ca4525", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ebr::pin`
[INFO] [stderr]   --> src/lib.rs:25:32
[INFO] [stderr]    |
[INFO] [stderr] 25 |     cache_padded::CachePadded, ebr::pin, histogram::Histogram, lazy::Lazy,
[INFO] [stderr]    |                                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/seaslug-8962298c2074cbee/out/syntax.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/lib.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn load(path: &str) -> Ast {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:87:14
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn start(args: &Args) -> Scheduler {
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ast`
[INFO] [stderr]   --> src/lib.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     ast: Ast,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `scheduler`
[INFO] [stderr]   --> src/lib.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     scheduler: Scheduler,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `work`
[INFO] [stderr]   --> src/lib.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     work: MachineTable,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MessageBus`
[INFO] [stderr]   --> src/lib.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 | struct MessageBus;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Stm`
[INFO] [stderr]   --> src/lib.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 | struct Stm;
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ast`
[INFO] [stderr]   --> src/lib.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     ast: Ast,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Module`
[INFO] [stderr]  --> src/ast.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Module {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Struct`
[INFO] [stderr]  --> src/ast.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Struct {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Enum`
[INFO] [stderr]   --> src/ast.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Enum {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Function`
[INFO] [stderr]   --> src/ast.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Function {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Item`
[INFO] [stderr]   --> src/ast.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Item {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Behavior`
[INFO] [stderr]   --> src/ast.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub enum Behavior {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `defer`
[INFO] [stderr]   --> src/ebr/mod.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub(crate) fn defer<F, R>(&self, f: F)
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flush`
[INFO] [stderr]   --> src/ebr/mod.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn flush(&self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]   --> src/io/mod.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn new() -> io::Result<Uring> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `FAN_MASK`
[INFO] [stderr]   --> src/machine_table.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const FAN_MASK: u64 = (NODE2_FAN_OUT - 1) as u64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/machine_table.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn new() -> Owned<Node2> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `free`
[INFO] [stderr]    --> src/machine_table.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     free: Stack<MachineId>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `highest_mid`
[INFO] [stderr]    --> src/machine_table.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     highest_mid: AtomicU64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_mid`
[INFO] [stderr]    --> src/machine_table.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     max_mid: u64,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]    --> src/machine_table.rs:130:19
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub(crate) fn insert<'g>(&self, item: Machine, guard: &'g Guard) -> Option<MachineId> {
[INFO] [stderr]     |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]    --> src/machine_table.rs:157:19
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub(crate) fn get<'g>(&self, pid: MachineId, guard: &'g Guard) -> Shared<'g, Machine> {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `contains_pid`
[INFO] [stderr]    --> src/machine_table.rs:171:19
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub(crate) fn contains_pid(&self, pid: MachineId, guard: &Guard) -> bool {
[INFO] [stderr]     |                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `traverse`
[INFO] [stderr]    --> src/machine_table.rs:183:8
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn traverse<'g>(&self, k: MachineId, guard: &'g Guard) -> &'g Atomic<Machine> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_fanout`
[INFO] [stderr]    --> src/machine_table.rs:218:4
[INFO] [stderr]     |
[INFO] [stderr] 218 | fn split_fanout(id: MachineId) -> (usize, usize) {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `safe_usize`
[INFO] [stderr]    --> src/machine_table.rs:236:4
[INFO] [stderr]     |
[INFO] [stderr] 236 | fn safe_usize(value: MachineId) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]   --> src/stack.rs:98:19
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub(crate) fn push(&self, inner: T, guard: &Guard) {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `take_iter`
[INFO] [stderr]    --> src/stack.rs:117:19
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub(crate) fn take_iter<'a>(
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]    --> src/stack.rs:136:19
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub(crate) fn pop(&self, guard: &Guard) -> Option<T> {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_empty`
[INFO] [stderr]   --> src/ebr/internal.rs:78:19
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub(super) fn is_empty(&self) -> bool {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bag`
[INFO] [stderr]    --> src/ebr/internal.rs:220:5
[INFO] [stderr]     |
[INFO] [stderr] 220 |     bag: Bag,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `SealedBag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/ebr/internal.rs:217:19
[INFO] [stderr]     |
[INFO] [stderr] 217 | #[derive(Default, Debug)]
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flush`
[INFO] [stderr]    --> src/ebr/internal.rs:460:19
[INFO] [stderr]     |
[INFO] [stderr] 460 |     pub(super) fn flush(&self, guard: &Guard) {
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mu`
[INFO] [stderr]   --> src/io/completion.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     mu: Arc<Mutex<CompletionState>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Filler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/completion.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cv`
[INFO] [stderr]   --> src/io/completion.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     cv: Arc<Condvar>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Filler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/completion.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `wait`
[INFO] [stderr]   --> src/io/completion.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn wait(self) -> io::Result<C>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fill`
[INFO] [stderr]    --> src/io/completion.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn fill(self, inner: io::Result<io_uring_cqe>) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/io/io_uring/mod.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Ordering` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/mod.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 | #[derive(Clone, Debug, Copy)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Link`
[INFO] [stderr]   --> src/io/io_uring/mod.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Ordering` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/mod.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 | #[derive(Clone, Debug, Copy)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `uring_mmap`
[INFO] [stderr]   --> src/io/io_uring/mod.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn uring_mmap(size: usize, ring_fd: i32, offset: i64) -> io::Result<*mut libc::c_void> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start`
[INFO] [stderr]   --> src/io/io_uring/config.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn start(mut self) -> io::Result<Uring> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `khead`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     khead: *mut AtomicU32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ktail`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ktail: *mut AtomicU32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `kring_mask`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     kring_mask: *mut u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `koverflow`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     koverflow: *mut AtomicU32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cqes`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     cqes: *mut [io_uring_cqe],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ticket_queue`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ticket_queue: Arc<TicketQueue>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_flight`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     in_flight: Arc<InFlight>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Cq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/io/io_uring/cq.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub(crate) fn new(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reaper`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:83:19
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub(crate) fn reaper(&mut self, ring_fd: i32) {
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `block_for_cqe`
[INFO] [stderr]   --> src/io/io_uring/cq.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |         fn block_for_cqe(ring_fd: i32) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reap_ready_cqes`
[INFO] [stderr]    --> src/io/io_uring/cq.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn reap_ready_cqes(&mut self) -> Option<usize> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/io/io_uring/in_flight.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub(crate) fn new(size: usize) -> InFlight {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `take_filler`
[INFO] [stderr]   --> src/io/io_uring/in_flight.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub(crate) fn take_filler(
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/io/io_uring/sq.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub(crate) fn new(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/io/io_uring/ticket_queue.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub(crate) fn new(size: usize) -> TicketQueue {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push_multi`
[INFO] [stderr]   --> src/io/io_uring/ticket_queue.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub(crate) fn push_multi(
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/io/io_uring/uring.rs:41:19
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub(crate) fn new(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `accept`
[INFO] [stderr]   --> src/io/io_uring/uring.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn accept<'a>(&'a self, tcp_listener: &'a TcpListener) -> Completion<'a, TcpStream> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `connect`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn connect<'a, F>(
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `send`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn send<'a, F, B>(&'a self, stream: &'a F, iov: &'a B) -> Completion<'a, usize>
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `send_ordered`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:164:12
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn send_ordered<'a, F, B>(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `recv`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn recv<'a, F, B>(&'a self, stream: &'a F, iov: &'a B) -> Completion<'a, usize>
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `recv_ordered`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:215:12
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub fn recv_ordered<'a, F, B>(
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fsync`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:253:12
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn fsync<'a>(&'a self, file: &'a File) -> Completion<'a, ()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fsync_ordered`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:285:12
[INFO] [stderr]     |
[INFO] [stderr] 285 |     pub fn fsync_ordered<'a>(&'a self, file: &'a File, ordering: Ordering) -> Completion<'a, ()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fdatasync`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:309:12
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn fdatasync<'a>(&'a self, file: &'a File) -> Completion<'a, ()> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fdatasync_ordered`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:342:12
[INFO] [stderr]     |
[INFO] [stderr] 342 |     pub fn fdatasync_ordered<'a>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sync_file_range`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:366:12
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn sync_file_range<'a>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sync_file_range_ordered`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:387:12
[INFO] [stderr]     |
[INFO] [stderr] 387 |     pub fn sync_file_range_ordered<'a>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_at`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:424:12
[INFO] [stderr]     |
[INFO] [stderr] 424 |     pub fn write_at<'a, F, B>(&'a self, file: &'a F, iov: &'a B, at: u64) -> Completion<'a, usize>
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_at_ordered`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:455:12
[INFO] [stderr]     |
[INFO] [stderr] 455 |     pub fn write_at_ordered<'a, F, B>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_at`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:481:12
[INFO] [stderr]     |
[INFO] [stderr] 481 |     pub fn read_at<'a, F, B>(&'a self, file: &'a F, iov: &'a B, at: u64) -> Completion<'a, usize>
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_at_ordered`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:510:12
[INFO] [stderr]     |
[INFO] [stderr] 510 |     pub fn read_at_ordered<'a, F, B>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nop`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:528:12
[INFO] [stderr]     |
[INFO] [stderr] 528 |     pub fn nop<'a>(&'a self) -> Completion<'a, ()> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nop_ordered`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:534:12
[INFO] [stderr]     |
[INFO] [stderr] 534 |     pub fn nop_ordered<'a>(&'a self, ordering: Ordering) -> Completion<'a, ()> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `submit_all`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:558:12
[INFO] [stderr]     |
[INFO] [stderr] 558 |     pub fn submit_all(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `addr2raw`
[INFO] [stderr]    --> src/io/io_uring/uring.rs:610:4
[INFO] [stderr]     |
[INFO] [stderr] 610 | fn addr2raw(addr: &std::net::SocketAddr) -> (*const libc::sockaddr, libc::socklen_t) {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/seaslug-8962298c2074cbee/out/syntax.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `seaslug` (lib) generated 81 warnings
[INFO] [stderr] warning: `seaslug` (lib test) generated 72 warnings (71 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seaslug-50f361d096dacebf)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test ebr::atomic::tests::valid_tag_i8 ... ok
[INFO] [stdout] test ebr::deferred::tests::boxed_slice_i32 ... ok
[INFO] [stdout] test ebr::atomic::tests::valid_tag_i64 ... ok
[INFO] [stdout] test ebr::deferred::tests::on_stack ... ok
[INFO] [stdout] test ebr::internal::local_size ... ok
[INFO] [stdout] test ebr::deferred::tests::long_slice_usize ... ok
[INFO] [stdout] test ebr::deferred::tests::string ... ok
[INFO] [stdout] test ebr::internal::tests::check_bag ... ok
[INFO] [stdout] test ebr::internal::tests::check_defer ... ok
[INFO] [stdout] test ebr::queue::test::is_empty_dont_pop ... ok
[INFO] [stdout] test ebr::list::tests::insert ... ok
[INFO] [stdout] test ebr::queue::test::push_pop_2 ... ok
[INFO] [stdout] test ebr::list::tests::delete ... ok
[INFO] [stdout] test ebr::queue::test::push_try_pop_1 ... ok
[INFO] [stdout] test machine_table::fanout_functionality ... ok
[INFO] [stdout] test ebr::queue::test::push_pop_many_seq ... ok
[INFO] [stdout] test ebr::queue::test::push_pop_1 ... ok
[INFO] [stdout] test ebr::deferred::tests::on_heap ... ok
[INFO] [stdout] test ebr::queue::test::push_try_pop_2 ... ok
[INFO] [stdout] test ebr::queue::test::push_try_pop_many_seq ... ok
[INFO] [stdout] test stack::basic_functionality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/puke-6a2fce9433db18d6)
[INFO] [stderr]    Doc-tests seaslug
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/io/mod.rs - io::AsIoVecMut (line 59) - compile fail ... ok
[INFO] [stdout] test src/io/mod.rs - io::AsIoVecMut (line 76) - compile ... FAILED
[INFO] [stdout] test src/ebr/atomic.rs - ebr::atomic::Array (line 216) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/io/mod.rs - io::AsIoVecMut (line 76) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rio`
[INFO] [stdout]  --> src/io/mod.rs:77:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let ring = rio::new().unwrap();
[INFO] [stdout]   |            ^^^ use of undeclared crate or module `rio`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/io/mod.rs - io::AsIoVecMut (line 76)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "20f4b40d1263468a3f84ba8665b953423b7228fc389047c74a1c889f93ca4525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f4b40d1263468a3f84ba8665b953423b7228fc389047c74a1c889f93ca4525", kill_on_drop: false }`
[INFO] [stdout] 20f4b40d1263468a3f84ba8665b953423b7228fc389047c74a1c889f93ca4525