[INFO] fetching crate seaslug 0.0.0...
[INFO] testing seaslug-0.0.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate seaslug 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate seaslug 0.0.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] [stderr]   Downloaded pico-args v0.4.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.5
[INFO] [stderr]   Downloaded regex v1.4.4
[INFO] [stderr]   Downloaded lalrpop v0.19.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfcac717bb6926d86a7d4ec511bee4d038d5c1589560c05e811a775bbe318a3a
[INFO] running `Command { std: "docker" "start" "-a" "dfcac717bb6926d86a7d4ec511bee4d038d5c1589560c05e811a775bbe318a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfcac717bb6926d86a7d4ec511bee4d038d5c1589560c05e811a775bbe318a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcac717bb6926d86a7d4ec511bee4d038d5c1589560c05e811a775bbe318a3a", kill_on_drop: false }`
[INFO] [stdout] dfcac717bb6926d86a7d4ec511bee4d038d5c1589560c05e811a775bbe318a3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02f9b0ce4102113bed4142640bd4baf40f139d774dc096bf4003a582f72e3de5
[INFO] running `Command { std: "docker" "start" "-a" "02f9b0ce4102113bed4142640bd4baf40f139d774dc096bf4003a582f72e3de5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling pico-args v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[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 petgraph v0.5.1
[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-711e866036b48513/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: fields `ast` and `scheduler` are never read
[INFO] [stdout]   --> src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 45 |     ast: Ast,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     scheduler: Scheduler,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `work` is never read
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct Scheduler {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 83 |     work: MachineTable,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageBus` is never constructed
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct MessageBus;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stm` is never constructed
[INFO] [stdout]   --> src/lib.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct Stm;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ast` is never read
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 98 | struct Machine {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 99 |     ast: Ast,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[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 `Struct` is never constructed
[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 `Enum` is never constructed
[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 `Function` is never constructed
[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 `Item` is never used
[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 `Behavior` is never used
[INFO] [stdout]   --> src/ast.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum Behavior {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `defer` is never used
[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: method `flush` is never used
[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: field `bag` is never read
[INFO] [stdout]    --> src/ebr/internal.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct SealedBag {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 219 |     epoch: Epoch,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[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: method `flush` is never used
[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: function `new` is never used
[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: fields `mu` and `cv` are never read
[INFO] [stdout]   --> src/io/completion.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Filler {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 52 |     mu: Arc<Mutex<CompletionState>>,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[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: method `fill` is never used
[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: variants `None` and `Link` are never constructed
[INFO] [stdout]   --> src/io/io_uring/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum Ordering {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 55 |     /// No ordering requirements
[INFO] [stdout] 56 |     None,
[INFO] [stdout]    |     ^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uring_mmap` is never used
[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: method `start` is never used
[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: multiple fields are never read
[INFO] [stdout]   --> src/io/io_uring/cq.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Cq {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 10 |     khead: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     ktail: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     kring_mask: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     koverflow: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     cqes: *mut [io_uring_cqe],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     ticket_queue: Arc<TicketQueue>,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[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: method `reaper` is never used
[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: method `reap_ready_cqes` is never used
[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 `new` is never used
[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: method `take_filler` is never used
[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 `new` is never used
[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 `new` is never used
[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: method `push_multi` is never used
[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: function `addr2raw` is never used
[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: associated function `new` is never used
[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: method `accept` is never used
[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: method `connect` is never used
[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: method `send` is never used
[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: method `send_ordered` is never used
[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: method `recv` is never used
[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: method `recv_ordered` is never used
[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: method `fsync` is never used
[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: method `fsync_ordered` is never used
[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: method `fdatasync` is never used
[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: method `fdatasync_ordered` is never used
[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: method `sync_file_range` is never used
[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: method `sync_file_range_ordered` is never used
[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: method `write_at` is never used
[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: method `write_at_ordered` is never used
[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: method `read_at` is never used
[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: method `read_at_ordered` is never used
[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: method `nop` is never used
[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: method `nop_ordered` is never used
[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: method `submit_all` is never used
[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: constant `FAN_MASK` is never used
[INFO] [stdout]   --> src/machine_table.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const FAN_MASK: u64 = (NODE2_FAN_OUT - 1) as u64;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `free`, `highest_mid`, and `max_mid` are never read
[INFO] [stdout]    --> src/machine_table.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct MachineTable {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 105 |     head: Atomic<Node1>,
[INFO] [stdout] 106 |     free: Stack<MachineId>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 107 |     highest_mid: AtomicU64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 108 |     max_mid: u64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_fanout` is never used
[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 `safe_usize` is never used
[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 `new` is never used
[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: method `insert` is never used
[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: method `get` is never used
[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: method `contains_pid` is never used
[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: method `traverse` is never used
[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: method `push` is never used
[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: method `take_iter` is never used
[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: method `pop` is never used
[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: 69 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "02f9b0ce4102113bed4142640bd4baf40f139d774dc096bf4003a582f72e3de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f9b0ce4102113bed4142640bd4baf40f139d774dc096bf4003a582f72e3de5", kill_on_drop: false }`
[INFO] [stdout] 02f9b0ce4102113bed4142640bd4baf40f139d774dc096bf4003a582f72e3de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a1026686581fcfc1c707e35a585205f276cff222f0994ac7160cf325c4c094
[INFO] running `Command { std: "docker" "start" "-a" "03a1026686581fcfc1c707e35a585205f276cff222f0994ac7160cf325c4c094", 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-711e866036b48513/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: fields `ast` and `scheduler` are never read
[INFO] [stdout]   --> src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 45 |     ast: Ast,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     scheduler: Scheduler,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `work` is never read
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct Scheduler {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 83 |     work: MachineTable,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageBus` is never constructed
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct MessageBus;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stm` is never constructed
[INFO] [stdout]   --> src/lib.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct Stm;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ast` is never read
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 98 | struct Machine {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 99 |     ast: Ast,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[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 `Struct` is never constructed
[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 `Enum` is never constructed
[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 `Function` is never constructed
[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 `Item` is never used
[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 `Behavior` is never used
[INFO] [stdout]   --> src/ast.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum Behavior {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `defer` is never used
[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: method `flush` is never used
[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: field `bag` is never read
[INFO] [stdout]    --> src/ebr/internal.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct SealedBag {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 219 |     epoch: Epoch,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[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: method `flush` is never used
[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: function `new` is never used
[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: fields `mu` and `cv` are never read
[INFO] [stdout]   --> src/io/completion.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Filler {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 52 |     mu: Arc<Mutex<CompletionState>>,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[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: method `fill` is never used
[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: variants `None` and `Link` are never constructed
[INFO] [stdout]   --> src/io/io_uring/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum Ordering {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 55 |     /// No ordering requirements
[INFO] [stdout] 56 |     None,
[INFO] [stdout]    |     ^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uring_mmap` is never used
[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: method `start` is never used
[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: multiple fields are never read
[INFO] [stdout]   --> src/io/io_uring/cq.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Cq {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 10 |     khead: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     ktail: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     kring_mask: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     koverflow: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     cqes: *mut [io_uring_cqe],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     ticket_queue: Arc<TicketQueue>,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[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: method `reaper` is never used
[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: method `reap_ready_cqes` is never used
[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 `new` is never used
[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: method `take_filler` is never used
[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 `new` is never used
[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 `new` is never used
[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: method `push_multi` is never used
[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: function `addr2raw` is never used
[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: associated function `new` is never used
[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: method `accept` is never used
[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: method `connect` is never used
[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: method `send` is never used
[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: method `send_ordered` is never used
[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: method `recv` is never used
[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: method `recv_ordered` is never used
[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: method `fsync` is never used
[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: method `fsync_ordered` is never used
[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: method `fdatasync` is never used
[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: method `fdatasync_ordered` is never used
[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: method `sync_file_range` is never used
[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: method `sync_file_range_ordered` is never used
[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: method `write_at` is never used
[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: method `write_at_ordered` is never used
[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: method `read_at` is never used
[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: method `read_at_ordered` is never used
[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: method `nop` is never used
[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: method `nop_ordered` is never used
[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: method `submit_all` is never used
[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: constant `FAN_MASK` is never used
[INFO] [stdout]   --> src/machine_table.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const FAN_MASK: u64 = (NODE2_FAN_OUT - 1) as u64;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `free`, `highest_mid`, and `max_mid` are never read
[INFO] [stdout]    --> src/machine_table.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct MachineTable {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 105 |     head: Atomic<Node1>,
[INFO] [stdout] 106 |     free: Stack<MachineId>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 107 |     highest_mid: AtomicU64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 108 |     max_mid: u64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_fanout` is never used
[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 `safe_usize` is never used
[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 `new` is never used
[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: method `insert` is never used
[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: method `get` is never used
[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: method `contains_pid` is never used
[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: method `traverse` is never used
[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: method `push` is never used
[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: method `take_iter` is never used
[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: method `pop` is never used
[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: 69 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling seaslug v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/seaslug-711e866036b48513/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: fields `ast` and `scheduler` are never read
[INFO] [stdout]   --> src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 45 |     ast: Ast,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     scheduler: Scheduler,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `work` is never read
[INFO] [stdout]   --> src/lib.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct Scheduler {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 83 |     work: MachineTable,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageBus` is never constructed
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct MessageBus;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stm` is never constructed
[INFO] [stdout]   --> src/lib.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct Stm;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ast` is never read
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 98 | struct Machine {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 99 |     ast: Ast,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[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 `Struct` is never constructed
[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 `Enum` is never constructed
[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 `Function` is never constructed
[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 `Item` is never used
[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 `Behavior` is never used
[INFO] [stdout]   --> src/ast.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum Behavior {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `defer` is never used
[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: field `bag` is never read
[INFO] [stdout]    --> src/ebr/internal.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct SealedBag {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 219 |     epoch: Epoch,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new` is never used
[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: fields `mu` and `cv` are never read
[INFO] [stdout]   --> src/io/completion.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Filler {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 52 |     mu: Arc<Mutex<CompletionState>>,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[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: method `fill` is never used
[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: variants `None` and `Link` are never constructed
[INFO] [stdout]   --> src/io/io_uring/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum Ordering {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 55 |     /// No ordering requirements
[INFO] [stdout] 56 |     None,
[INFO] [stdout]    |     ^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uring_mmap` is never used
[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: method `start` is never used
[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: multiple fields are never read
[INFO] [stdout]   --> src/io/io_uring/cq.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Cq {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 10 |     khead: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     ktail: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     kring_mask: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     koverflow: *mut AtomicU32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     cqes: *mut [io_uring_cqe],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     ticket_queue: Arc<TicketQueue>,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[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: method `reaper` is never used
[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: method `reap_ready_cqes` is never used
[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 `new` is never used
[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: method `take_filler` is never used
[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 `new` is never used
[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 `new` is never used
[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: method `push_multi` is never used
[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: function `addr2raw` is never used
[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: associated function `new` is never used
[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: method `accept` is never used
[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: method `connect` is never used
[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: method `send` is never used
[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: method `send_ordered` is never used
[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: method `recv` is never used
[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: method `recv_ordered` is never used
[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: method `fsync` is never used
[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: method `fsync_ordered` is never used
[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: method `fdatasync` is never used
[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: method `fdatasync_ordered` is never used
[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: method `sync_file_range` is never used
[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: method `sync_file_range_ordered` is never used
[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: method `write_at` is never used
[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: method `write_at_ordered` is never used
[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: method `read_at` is never used
[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: method `read_at_ordered` is never used
[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: method `nop` is never used
[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: method `nop_ordered` is never used
[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: method `submit_all` is never used
[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: fields `free`, `highest_mid`, and `max_mid` are never read
[INFO] [stdout]    --> src/machine_table.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct MachineTable {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 105 |     head: Atomic<Node1>,
[INFO] [stdout] 106 |     free: Stack<MachineId>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 107 |     highest_mid: AtomicU64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 108 |     max_mid: u64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[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: method `insert` is never used
[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: method `get` is never used
[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: method `contains_pid` is never used
[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: method `traverse` is never used
[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: method `take_iter` is never used
[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: 60 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "03a1026686581fcfc1c707e35a585205f276cff222f0994ac7160cf325c4c094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a1026686581fcfc1c707e35a585205f276cff222f0994ac7160cf325c4c094", kill_on_drop: false }`
[INFO] [stdout] 03a1026686581fcfc1c707e35a585205f276cff222f0994ac7160cf325c4c094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfcd74fdf675e60f7e2a641ac6d3f8ea8e1f4cc54da9d98b344237be8dd2c72d
[INFO] running `Command { std: "docker" "start" "-a" "bfcd74fdf675e60f7e2a641ac6d3f8ea8e1f4cc54da9d98b344237be8dd2c72d", 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-711e866036b48513/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: fields `ast` and `scheduler` are never read
[INFO] [stderr]   --> src/lib.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct Interpreter {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 45 |     ast: Ast,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 46 |     scheduler: Scheduler,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `work` is never read
[INFO] [stderr]   --> src/lib.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 82 | struct Scheduler {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 83 |     work: MachineTable,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MessageBus` is never constructed
[INFO] [stderr]   --> src/lib.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 | struct MessageBus;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Stm` is never constructed
[INFO] [stderr]   --> src/lib.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 | struct Stm;
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `ast` is never read
[INFO] [stderr]   --> src/lib.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 98 | struct Machine {
[INFO] [stderr]    |        ------- field in this struct
[INFO] [stderr] 99 |     ast: Ast,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Module` is never constructed
[INFO] [stderr]  --> src/ast.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Module {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Struct` is never constructed
[INFO] [stderr]  --> src/ast.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Struct {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Enum` is never constructed
[INFO] [stderr]   --> src/ast.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Enum {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Function` is never constructed
[INFO] [stderr]   --> src/ast.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Function {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Item` is never used
[INFO] [stderr]   --> src/ast.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Item {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Behavior` is never used
[INFO] [stderr]   --> src/ast.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub enum Behavior {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `defer` is never used
[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: method `flush` is never used
[INFO] [stderr]   --> src/ebr/mod.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn flush(&self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `bag` is never read
[INFO] [stderr]    --> src/ebr/internal.rs:220:5
[INFO] [stderr]     |
[INFO] [stderr] 218 | struct SealedBag {
[INFO] [stderr]     |        --------- field in this struct
[INFO] [stderr] 219 |     epoch: Epoch,
[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] 
[INFO] [stderr] warning: method `is_empty` is never used
[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: method `flush` is never used
[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: function `new` is never used
[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: fields `mu` and `cv` are never read
[INFO] [stderr]   --> src/io/completion.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct Filler {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 52 |     mu: Arc<Mutex<CompletionState>>,
[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] 
[INFO] [stderr] warning: method `wait` is never used
[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: method `fill` is never used
[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: variants `None` and `Link` are never constructed
[INFO] [stderr]   --> src/io/io_uring/mod.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub enum Ordering {
[INFO] [stderr]    |          -------- variants in this enum
[INFO] [stderr] 55 |     /// No ordering requirements
[INFO] [stderr] 56 |     None,
[INFO] [stderr]    |     ^^^^
[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] 
[INFO] [stderr] warning: function `uring_mmap` is never used
[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: method `start` is never used
[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: multiple fields are never read
[INFO] [stderr]   --> src/io/io_uring/cq.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub struct Cq {
[INFO] [stderr]    |            -- fields in this struct
[INFO] [stderr] 10 |     khead: *mut AtomicU32,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 11 |     ktail: *mut AtomicU32,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 12 |     kring_mask: *mut u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 13 |     koverflow: *mut AtomicU32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 14 |     cqes: *mut [io_uring_cqe],
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 15 |     ticket_queue: Arc<TicketQueue>,
[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] 
[INFO] [stderr] warning: associated function `new` is never used
[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: method `reaper` is never used
[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: method `reap_ready_cqes` is never used
[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 `new` is never used
[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: method `take_filler` is never used
[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 `new` is never used
[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 `new` is never used
[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: method `push_multi` is never used
[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: function `addr2raw` is never used
[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: associated function `new` is never used
[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: method `accept` is never used
[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: method `connect` is never used
[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: method `send` is never used
[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: method `send_ordered` is never used
[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: method `recv` is never used
[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: method `recv_ordered` is never used
[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: method `fsync` is never used
[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: method `fsync_ordered` is never used
[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: method `fdatasync` is never used
[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: method `fdatasync_ordered` is never used
[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: method `sync_file_range` is never used
[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: method `sync_file_range_ordered` is never used
[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: method `write_at` is never used
[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: method `write_at_ordered` is never used
[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: method `read_at` is never used
[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: method `read_at_ordered` is never used
[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: method `nop` is never used
[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: method `nop_ordered` is never used
[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: method `submit_all` is never used
[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: constant `FAN_MASK` is never used
[INFO] [stderr]   --> src/machine_table.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 | const FAN_MASK: u64 = (NODE2_FAN_OUT - 1) as u64;
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `free`, `highest_mid`, and `max_mid` are never read
[INFO] [stderr]    --> src/machine_table.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub struct MachineTable {
[INFO] [stderr]     |            ------------ fields in this struct
[INFO] [stderr] 105 |     head: Atomic<Node1>,
[INFO] [stderr] 106 |     free: Stack<MachineId>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 107 |     highest_mid: AtomicU64,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 108 |     max_mid: u64,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `split_fanout` is never used
[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 `safe_usize` is never used
[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 `new` is never used
[INFO] [stderr]   --> src/machine_table.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn new() -> Owned<Node2> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `insert` is never used
[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: method `get` is never used
[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: method `contains_pid` is never used
[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: method `traverse` is never used
[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: method `push` is never used
[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: method `take_iter` is never used
[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: method `pop` is never used
[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: unused import: `std::str::FromStr`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/seaslug-711e866036b48513/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 69 warnings (run `cargo fix --lib -p seaslug` to apply 4 suggestions)
[INFO] [stderr] warning: `seaslug` (lib test) generated 60 warnings (59 duplicates) (run `cargo fix --lib -p seaslug --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seaslug-674cc51d44bbbe22)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test ebr::atomic::tests::valid_tag_i64 ... ok
[INFO] [stdout] test ebr::atomic::tests::valid_tag_i8 ... ok
[INFO] [stdout] test ebr::deferred::tests::boxed_slice_i32 ... ok
[INFO] [stdout] test ebr::deferred::tests::long_slice_usize ... ok
[INFO] [stdout] test ebr::deferred::tests::on_heap ... ok
[INFO] [stdout] test ebr::deferred::tests::on_stack ... ok
[INFO] [stdout] test ebr::deferred::tests::string ... ok
[INFO] [stdout] test ebr::internal::local_size ... 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_1 ... ok
[INFO] [stdout] test ebr::list::tests::delete ... ok
[INFO] [stdout] test ebr::queue::test::push_pop_2 ... ok
[INFO] [stdout] test ebr::queue::test::push_try_pop_1 ... ok
[INFO] [stdout] test ebr::queue::test::push_pop_many_seq ... ok
[INFO] [stdout] test machine_table::fanout_functionality ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/puke.rs (/opt/rustwide/target/debug/deps/puke-bc70ea711809a1aa)
[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] [stderr]    Doc-tests seaslug
[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 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bfcd74fdf675e60f7e2a641ac6d3f8ea8e1f4cc54da9d98b344237be8dd2c72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcd74fdf675e60f7e2a641ac6d3f8ea8e1f4cc54da9d98b344237be8dd2c72d", kill_on_drop: false }`
[INFO] [stdout] bfcd74fdf675e60f7e2a641ac6d3f8ea8e1f4cc54da9d98b344237be8dd2c72d
