[INFO] cloning repository https://github.com/hkvoch/slobster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hkvoch/slobster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkvoch%2Fslobster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkvoch%2Fslobster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63fd7902133aa36b8fe4a1baef889e1aa7e09f23
[INFO] checking hkvoch/slobster against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkvoch%2Fslobster" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/hkvoch/slobster
[INFO] finished tweaking git repo https://github.com/hkvoch/slobster
[INFO] tweaked toml for git repo https://github.com/hkvoch/slobster written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hkvoch/slobster on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hkvoch/slobster 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" "+1.95.0-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e805903fddb822328ac57a17dc3fe95f0e41895327f2b58f736746dc970e55
[INFO] running `Command { std: "docker" "start" "-a" "a6e805903fddb822328ac57a17dc3fe95f0e41895327f2b58f736746dc970e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e805903fddb822328ac57a17dc3fe95f0e41895327f2b58f736746dc970e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e805903fddb822328ac57a17dc3fe95f0e41895327f2b58f736746dc970e55", kill_on_drop: false }`
[INFO] [stdout] a6e805903fddb822328ac57a17dc3fe95f0e41895327f2b58f736746dc970e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160fb319f159d3c910bd427af067010b9fe9e4b68534e884b7e7e45573f86707
[INFO] running `Command { std: "docker" "start" "-a" "160fb319f159d3c910bd427af067010b9fe9e4b68534e884b7e7e45573f86707", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling likely_stable v0.1.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.47
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling winnow v1.0.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]    Compiling toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]    Compiling toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking criterion-plot v0.8.2
[INFO] [stderr]    Compiling toml_edit v0.25.5+spec-1.1.0
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]    Compiling slobster-bench v0.1.0 (/opt/rustwide/workdir/crates/slobster-bench)
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr] warning: slobster-bench@0.1.0: VERSION 1.95.0-beta.7
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking slobster v0.1.0 (/opt/rustwide/workdir/crates/slobster)
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stdout] warning: unused import: `core::alloc::Layout`
[INFO] [stdout]  --> crates/slobster/src/slab.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]     Checking slabbin v1.2.0
[INFO] [stderr]     Checking coroner v0.1.0 (/opt/rustwide/workdir/crates/coroner)
[INFO] [stdout] warning: unused import: `addr_of_mut`
[INFO] [stdout]  --> crates/coroner/src/sys/linux/io_uring.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::ptr::{NonNull, addr_of_mut};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> crates/coroner/src/sys/linux/io_uring.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `kernel_rwf_t` should have an upper camel case name
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 250 | type kernel_rwf_t = u32;
[INFO] [stdout]     |      ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `KernelRwfT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ManuallyDrop`
[INFO] [stdout]  --> crates/coroner/src/sys/unix/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::{ManuallyDrop, MaybeUninit};
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NonNull`
[INFO] [stdout]  --> crates/coroner/src/sys/unix/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ptr::{NonNull, null_mut};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linux::*`
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use linux::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use unix::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use unix::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stdout] warning: unused import: `addr_of_mut`
[INFO] [stdout]  --> crates/coroner/src/sys/linux/io_uring.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::ptr::{NonNull, addr_of_mut};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> crates/coroner/src/sys/linux/io_uring.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `kernel_rwf_t` should have an upper camel case name
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 250 | type kernel_rwf_t = u32;
[INFO] [stdout]     |      ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `KernelRwfT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ManuallyDrop`
[INFO] [stdout]  --> crates/coroner/src/sys/unix/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::{ManuallyDrop, MaybeUninit};
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NonNull`
[INFO] [stdout]  --> crates/coroner/src/sys/unix/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ptr::{NonNull, null_mut};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linux::*`
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use linux::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use unix::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use unix::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:517:26
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn prep_read(&self, fd: RawFd) -> SysResult<()> {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sqe`
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:518:12
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let Some(sqe) = self.sq.get_sqe() else {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_sqe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mod.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub(crate) fn enter(mut self: Pin<&mut Self>, coro: &Coroutine) {
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoUringOptions` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub(crate) struct IoUringOptions {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubmissionQueue` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct SubmissionQueue {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_sqe`, `load_head`, `load_tail`, and `load_sqes` are never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl SubmissionQueue {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] 145 |     fn get_sqe(&self) -> Option<&SqEntry> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn load_head(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn load_tail(&self) -> u32 { unsafe { self.tail.as_ref().load(Ordering::Relaxed) } }
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 171 |
[INFO] [stdout] 172 |     fn load_sqes(&self) -> &[SqEntry] { unsafe { self.sqes.as_ref() } }
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SqEntry` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | struct SqEntry {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `zeroize` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl SqEntry {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 193 |     fn zeroize(&self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompletionQueue` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | struct CompletionQueue {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CqEntry` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:354:8
[INFO] [stdout]     |
[INFO] [stdout] 354 | struct CqEntry {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFF_SQ_RING` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:360:7
[INFO] [stdout]     |
[INFO] [stdout] 360 | const OFF_SQ_RING: libc::off_t = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFF_CQ_RING` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:361:7
[INFO] [stdout]     |
[INFO] [stdout] 361 | const OFF_CQ_RING: libc::off_t = 0x8000000;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFF_SQES` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:362:7
[INFO] [stdout]     |
[INFO] [stdout] 362 | const OFF_SQES: libc::off_t = 0x10000000;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoUring` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:364:12
[INFO] [stdout]     |
[INFO] [stdout] 364 | pub struct IoUring {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `prep_read` are never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 375 | impl IoUring {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 376 |     pub fn new(options: IoUringOptions) -> SysResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 517 |     pub fn prep_read(&self, fd: RawFd) -> SysResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoRingSqOffsets` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/linux/io_uring.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(super) struct IoRingSqOffsets {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoRingCqOffsets` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/linux/io_uring.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(super) struct IoRingCqOffsets {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoUringParams` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/linux/io_uring.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(super) struct IoUringParams {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `io_uring_setup` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:116:16
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub(super) fn io_uring_setup(entries: u32, params: &mut IoUringParams) -> SysResult<OwnedFd> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_syscall_error`, `from_errno`, and `last_os_error` are never used
[INFO] [stdout]   --> crates/coroner/src/sys/error.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     impl SysError {
[INFO] [stdout]    |     ------------- associated functions in this implementation
[INFO] [stdout] 39 |         pub(crate) fn from_syscall_error(ret: i64) -> Self {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         pub(crate) fn from_errno(errno: i32) -> Self {
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |         pub(crate) fn last_os_error() -> Self {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coroutine` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) struct Coroutine {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CoroutineState` is never used
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mod.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum CoroutineState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CoroutineInner` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct CoroutineInner {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `clone_internal`, `coro_yield`, `run`, `done`, and `this` are never used
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Coroutine {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 47 |     fn clone_internal(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub(crate) fn coro_yield(&self) {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn run(&self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub(crate) fn done(&self) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub(crate) fn this() -> Self { THIS_COROUTINE.with_borrow(move |coro| coro.as_ref().unwrap().clone_internal()) }
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_coro`, `enter`, and `run_this` are never used
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mod.rs:111:16
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Executor {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 111 |     pub(crate) fn new() -> Result<Self, ()> {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub(crate) fn new_coro<F>(self: Pin<&mut Self>, exec: F) -> Coroutine
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub(crate) fn enter(mut self: Pin<&mut Self>, coro: &Coroutine) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     extern "C" fn run_this() {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PAGE_SIZE` is never used
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mman.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | static PAGE_SIZE: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_page_size` is never used
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mman.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) fn get_page_size() -> NonZeroUsize {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mmap` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mman.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) struct Mmap {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MmapProtect` is never used
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mman.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub(crate) enum MmapProtect {
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_flags` is never used
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mman.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl MmapProtect {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 61 |     fn into_flags(self) -> libc::c_int {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mman.rs:72:16
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl Mmap {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout]  72 |     pub(crate) fn new_options(
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub(crate) fn new(size: usize) -> SysResult<Self> { Self::new_options(size, MmapProtect::ReadWrite, None, None) }
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 124 |
[INFO] [stdout] 125 |     pub(crate) const fn into_non_null(self) -> NonNull<[u8]> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub(crate) const unsafe fn from_non_null(mapping: NonNull<[u8]>) -> Self { Self { mapping } }
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] 132 |
[INFO] [stdout] 133 |     pub(crate) const fn as_non_null(&self) -> NonNull<[u8]> { self.mapping }
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 134 |
[INFO] [stdout] 135 |     pub(crate) const fn as_non_null_ptr(&self) -> NonNull<u8> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub(crate) const fn len(&self) -> usize { self.mapping.len() }
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:517:26
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn prep_read(&self, fd: RawFd) -> SysResult<()> {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sqe`
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:518:12
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let Some(sqe) = self.sq.get_sqe() else {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_sqe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mod.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub(crate) fn enter(mut self: Pin<&mut Self>, coro: &Coroutine) {
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoUringOptions` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub(crate) struct IoUringOptions {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubmissionQueue` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct SubmissionQueue {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_sqe`, `load_head`, `load_tail`, and `load_sqes` are never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl SubmissionQueue {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] 145 |     fn get_sqe(&self) -> Option<&SqEntry> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn load_head(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn load_tail(&self) -> u32 { unsafe { self.tail.as_ref().load(Ordering::Relaxed) } }
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 171 |
[INFO] [stdout] 172 |     fn load_sqes(&self) -> &[SqEntry] { unsafe { self.sqes.as_ref() } }
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SqEntry` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | struct SqEntry {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `zeroize` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl SqEntry {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 193 |     fn zeroize(&self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompletionQueue` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | struct CompletionQueue {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CqEntry` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:354:8
[INFO] [stdout]     |
[INFO] [stdout] 354 | struct CqEntry {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFF_SQ_RING` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:360:7
[INFO] [stdout]     |
[INFO] [stdout] 360 | const OFF_SQ_RING: libc::off_t = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFF_CQ_RING` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:361:7
[INFO] [stdout]     |
[INFO] [stdout] 361 | const OFF_CQ_RING: libc::off_t = 0x8000000;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFF_SQES` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:362:7
[INFO] [stdout]     |
[INFO] [stdout] 362 | const OFF_SQES: libc::off_t = 0x10000000;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoUring` is never constructed
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:364:12
[INFO] [stdout]     |
[INFO] [stdout] 364 | pub struct IoUring {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `prep_read` are never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 375 | impl IoUring {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 376 |     pub fn new(options: IoUringOptions) -> SysResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 517 |     pub fn prep_read(&self, fd: RawFd) -> SysResult<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoRingSqOffsets` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/linux/io_uring.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(super) struct IoRingSqOffsets {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoRingCqOffsets` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/linux/io_uring.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(super) struct IoRingCqOffsets {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IoUringParams` is never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/linux/io_uring.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(super) struct IoUringParams {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `io_uring_setup` is never used
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:116:16
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub(super) fn io_uring_setup(entries: u32, params: &mut IoUringParams) -> SysResult<OwnedFd> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_syscall_error` is never used
[INFO] [stdout]   --> crates/coroner/src/sys/error.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     impl SysError {
[INFO] [stdout]    |     ------------- associated function in this implementation
[INFO] [stdout] 39 |         pub(crate) fn from_syscall_error(ret: i64) -> Self {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Read` and `ReadWriteExec` are never constructed
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mman.rs:55:2
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub(crate) enum MmapProtect {
[INFO] [stdout]    |                 ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 55 |     Read,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     ReadWrite,
[INFO] [stdout] 57 |     ReadWriteExec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MmapProtect` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `into_non_null`, `from_non_null`, and `as_non_null_ptr` are never used
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mman.rs:125:22
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl Mmap {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub(crate) const fn into_non_null(self) -> NonNull<[u8]> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub(crate) const unsafe fn from_non_null(mapping: NonNull<[u8]>) -> Self { Self { mapping } }
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub(crate) const fn as_non_null_ptr(&self) -> NonNull<u8> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rstest v0.26.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stdout] warning: unused import: `core::alloc::Layout`
[INFO] [stdout]  --> crates/slobster/src/slab.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.8.2
[INFO] [stdout] warning: unused import: `BatchSize`
[INFO] [stdout]  --> crates/slobster-bench/benches/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use criterion::{BatchSize, BenchmarkGroup, BenchmarkId, Criterion, Throughput, criterion_group, criterion_main};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.64s
[INFO] running `Command { std: "docker" "inspect" "160fb319f159d3c910bd427af067010b9fe9e4b68534e884b7e7e45573f86707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160fb319f159d3c910bd427af067010b9fe9e4b68534e884b7e7e45573f86707", kill_on_drop: false }`
[INFO] [stdout] 160fb319f159d3c910bd427af067010b9fe9e4b68534e884b7e7e45573f86707