[INFO] fetching crate rio 0.9.4...
[INFO] testing rio-0.9.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rio 0.9.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rio 0.9.4
[INFO] finished tweaking crates.io crate rio 0.9.4
[INFO] tweaked toml for crates.io crate rio 0.9.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rio 0.9.4 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rio 0.9.4 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a733662040ccef0688f1467dfa838af7b4f5a23fd257d19aceffe4d628d1989
[INFO] running `Command { std: "docker" "start" "-a" "7a733662040ccef0688f1467dfa838af7b4f5a23fd257d19aceffe4d628d1989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a733662040ccef0688f1467dfa838af7b4f5a23fd257d19aceffe4d628d1989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a733662040ccef0688f1467dfa838af7b4f5a23fd257d19aceffe4d628d1989", kill_on_drop: false }`
[INFO] [stdout] 7a733662040ccef0688f1467dfa838af7b4f5a23fd257d19aceffe4d628d1989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aebae6cf45f9388569cf5af2bd5c991662ea662a2fa06de0ad965fe368aa67a1
[INFO] running `Command { std: "docker" "start" "-a" "aebae6cf45f9388569cf5af2bd5c991662ea662a2fa06de0ad965fe368aa67a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rio v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]  --> src/metrics.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "measure_allocs")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]   = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 |     #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 |     #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:218:15
[INFO] [stdout]     |
[INFO] [stdout] 218 |         #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/cq.rs:46:19
[INFO] [stdout]     |
[INFO] [stdout]  46 |                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout]  46 -                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stdout]  46 +                 * size_of::<io_uring_cqe>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/sq.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 * std::mem::size_of::<u32>());
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 49 -                 * std::mem::size_of::<u32>());
[INFO] [stdout] 49 +                 * size_of::<u32>());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/sq.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 |             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 61 -             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stdout] 61 +             * size_of::<io_uring_sqe>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/syscall.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 65 -                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stdout] 65 +                 size_of::<libc::sigset_t>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/uring.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 741 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout] 741 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/uring.rs:748:17
[INFO] [stdout]     |
[INFO] [stdout] 748 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 748 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout] 748 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lazy.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:416:37
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.with_sqe(None, false, |mut sqe| {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:474:37
[INFO] [stdout]     |
[INFO] [stdout] 474 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stdout]    |                 ^^---------^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this raw pointer has type `*mut Vec<iovec>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<iovec>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (&mut (*iovec_ptr))[ticket] = iovec;
[INFO] [stdout]    |                 +++++             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stdout]    |                     ^^----------^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (&mut (*msghdr_ptr))[ticket].msg_iov =
[INFO] [stdout]    |                     +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     ^^----------^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (&mut (*msghdr_ptr))[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stdout]    |             ^^------------------^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (&mut (*self.fillers.get()))[ticket] = Some(filler);
[INFO] [stdout]    |             +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stdout]    |             ^^------------------^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (&mut (*self.fillers.get()))[ticket].take().unwrap()
[INFO] [stdout]    |             +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "aebae6cf45f9388569cf5af2bd5c991662ea662a2fa06de0ad965fe368aa67a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aebae6cf45f9388569cf5af2bd5c991662ea662a2fa06de0ad965fe368aa67a1", kill_on_drop: false }`
[INFO] [stdout] aebae6cf45f9388569cf5af2bd5c991662ea662a2fa06de0ad965fe368aa67a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d612db65555e237084eac06240b006e09c6f0803106c7db3227df5f2b309d4d
[INFO] running `Command { std: "docker" "start" "-a" "0d612db65555e237084eac06240b006e09c6f0803106c7db3227df5f2b309d4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling extreme v666.666.666
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]  --> src/metrics.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "measure_allocs")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]   = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 |     #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 |     #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:218:15
[INFO] [stdout]     |
[INFO] [stdout] 218 |         #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/cq.rs:46:19
[INFO] [stdout]     |
[INFO] [stdout]  46 |                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout]  46 -                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stdout]  46 +                 * size_of::<io_uring_cqe>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/sq.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 * std::mem::size_of::<u32>());
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 49 -                 * std::mem::size_of::<u32>());
[INFO] [stdout] 49 +                 * size_of::<u32>());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/sq.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 |             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 61 -             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stdout] 61 +             * size_of::<io_uring_sqe>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/syscall.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 65 -                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stdout] 65 +                 size_of::<libc::sigset_t>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/uring.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 741 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout] 741 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/uring.rs:748:17
[INFO] [stdout]     |
[INFO] [stdout] 748 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 748 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout] 748 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lazy.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:416:37
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.with_sqe(None, false, |mut sqe| {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:474:37
[INFO] [stdout]     |
[INFO] [stdout] 474 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stdout]    |                 ^^---------^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this raw pointer has type `*mut Vec<iovec>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<iovec>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (&mut (*iovec_ptr))[ticket] = iovec;
[INFO] [stdout]    |                 +++++             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stdout]    |                     ^^----------^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (&mut (*msghdr_ptr))[ticket].msg_iov =
[INFO] [stdout]    |                     +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     ^^----------^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (&mut (*msghdr_ptr))[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stdout]    |             ^^------------------^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (&mut (*self.fillers.get()))[ticket] = Some(filler);
[INFO] [stdout]    |             +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stdout]    |             ^^------------------^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (&mut (*self.fillers.get()))[ticket].take().unwrap()
[INFO] [stdout]    |             +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rio v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:4:7
[INFO] [stdout]     |
[INFO] [stdout]   4 | #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 |     #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 |     #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:218:15
[INFO] [stdout]     |
[INFO] [stdout] 218 |         #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/cq.rs:46:19
[INFO] [stdout]     |
[INFO] [stdout]  46 |                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout]  46 -                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stdout]  46 +                 * size_of::<io_uring_cqe>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/sq.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 * std::mem::size_of::<u32>());
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 49 -                 * std::mem::size_of::<u32>());
[INFO] [stdout] 49 +                 * size_of::<u32>());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/sq.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 |             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 61 -             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stdout] 61 +             * size_of::<io_uring_sqe>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/syscall.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 65 -                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stdout] 65 +                 size_of::<libc::sigset_t>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/uring.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 741 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout] 741 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/uring.rs:748:17
[INFO] [stdout]     |
[INFO] [stdout] 748 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 748 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout] 748 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lazy.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:416:37
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:474:37
[INFO] [stdout]     |
[INFO] [stdout] 474 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stdout]    |                 ^^---------^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this raw pointer has type `*mut Vec<iovec>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<iovec>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (&mut (*iovec_ptr))[ticket] = iovec;
[INFO] [stdout]    |                 +++++             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stdout]    |                     ^^----------^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (&mut (*msghdr_ptr))[ticket].msg_iov =
[INFO] [stdout]    |                     +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     ^^----------^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (&mut (*msghdr_ptr))[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stdout]    |             ^^------------------^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (&mut (*self.fillers.get()))[ticket] = Some(filler);
[INFO] [stdout]    |             +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stdout]    |             ^^------------------^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (&mut (*self.fillers.get()))[ticket].take().unwrap()
[INFO] [stdout]    |             +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "0d612db65555e237084eac06240b006e09c6f0803106c7db3227df5f2b309d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d612db65555e237084eac06240b006e09c6f0803106c7db3227df5f2b309d4d", kill_on_drop: false }`
[INFO] [stdout] 0d612db65555e237084eac06240b006e09c6f0803106c7db3227df5f2b309d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fb20ccb57e72dbe1e7824200dc79c1a93c3ffba1f7970991c34307b8a2d2e1a
[INFO] running `Command { std: "docker" "start" "-a" "7fb20ccb57e72dbe1e7824200dc79c1a93c3ffba1f7970991c34307b8a2d2e1a", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stderr]  --> src/metrics.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[cfg(feature = "measure_allocs")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected values for `feature` are: `no_metrics`
[INFO] [stderr]   = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stderr]    --> src/metrics.rs:101:11
[INFO] [stderr]     |
[INFO] [stderr] 101 |     #[cfg(feature = "measure_allocs")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stderr]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stderr]    --> src/metrics.rs:103:11
[INFO] [stderr]     |
[INFO] [stderr] 103 |     #[cfg(feature = "measure_allocs")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stderr]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stderr]    --> src/metrics.rs:218:15
[INFO] [stderr]     |
[INFO] [stderr] 218 |         #[cfg(feature = "measure_allocs")]
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stderr]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/io_uring/cq.rs:46:19
[INFO] [stderr]     |
[INFO] [stderr]  46 |                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     unused_qualifications
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr]  46 -                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stderr]  46 +                 * size_of::<io_uring_cqe>());
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/io_uring/sq.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 * std::mem::size_of::<u32>());
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 49 -                 * std::mem::size_of::<u32>());
[INFO] [stderr] 49 +                 * size_of::<u32>());
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/io_uring/sq.rs:61:15
[INFO] [stderr]    |
[INFO] [stderr] 61 |             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 61 -             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stderr] 61 +             * size_of::<io_uring_sqe>();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/io_uring/syscall.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 65 -                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stderr] 65 +                 size_of::<libc::sigset_t>()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/io_uring/uring.rs:741:17
[INFO] [stderr]     |
[INFO] [stderr] 741 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 741 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stderr] 741 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/io_uring/uring.rs:748:17
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 748 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stderr] 748 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/lazy.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/io_uring/uring.rs:416:37
[INFO] [stderr]     |
[INFO] [stderr] 416 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stderr]     |                                     ----^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/io_uring/uring.rs:474:37
[INFO] [stderr]     |
[INFO] [stderr] 474 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stderr]     |                                     ----^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stderr]    |                 ^^---------^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   this raw pointer has type `*mut Vec<iovec>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&mut Vec<iovec>`
[INFO] [stderr]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stderr]    |                 ^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 (&mut (*iovec_ptr))[ticket] = iovec;
[INFO] [stderr]    |                 +++++             +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stderr]    |                     ^^----------^^^^^^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stderr]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stderr]    |                     ^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     (&mut (*msghdr_ptr))[ticket].msg_iov =
[INFO] [stderr]    |                     +++++              +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stderr]    |                     ^^----------^^^^^^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stderr]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     (&mut (*msghdr_ptr))[ticket].msg_iovlen = 1;
[INFO] [stderr]    |                     +++++              +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stderr]    |             ^^------------------^^^^^^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stderr]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]    |
[INFO] [stderr] 69 |             (&mut (*self.fillers.get()))[ticket] = Some(filler);
[INFO] [stderr]    |             +++++                      +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stderr]    |             ^^------------------^^^^^^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stderr]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]    |
[INFO] [stderr] 90 |             (&mut (*self.fillers.get()))[ticket].take().unwrap()
[INFO] [stderr]    |             +++++                      +
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stderr]    --> src/metrics.rs:4:7
[INFO] [stderr]     |
[INFO] [stderr]   4 | #[cfg(feature = "measure_allocs")]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stderr]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/lazy.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/io_uring/uring.rs:416:37
[INFO] [stderr]     |
[INFO] [stderr] 416 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stderr]     |                                     ----^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: `rio` (lib) generated 18 warnings (run `cargo fix --lib -p rio` to apply 8 suggestions)
[INFO] [stderr] warning: `rio` (lib test) generated 18 warnings (15 duplicates) (run `cargo fix --lib -p rio --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rio-e71bea71ee6f57d7)
[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]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-7b5610a17e6165a3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `--test vec`
[INFO] [stdout] test test_vec_value ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_vec_value stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_vec_value' (18) panicked at tests/vec.rs:10:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ea183d4c9aa - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ea183d4c9aa - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ea183d4c9aa - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ea183d4c9aa - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ea183d6074a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ea183d6074a - core[6771d259883166e6]::fmt::write
[INFO] [stdout]    6:     0x5ea183d512d2 - std[128c3efe2914e152]::io::default_write_fmt::<alloc[fef50e8eecedd288]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5ea183d512d2 - <alloc[fef50e8eecedd288]::vec::Vec<u8> as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5ea183d2b96f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ea183d2b96f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ea183d44d59 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ea183ce1dbc - <alloc[fef50e8eecedd288]::boxed::Box<dyn for<'a, 'b> core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9
[INFO] [stdout]   12:     0x5ea183ce1dbc - test[b137923399915ecf]::test_main_with_exit_callback::<test[b137923399915ecf]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ea183d44f12 - <alloc[fef50e8eecedd288]::boxed::Box<dyn for<'a, 'b> core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9
[INFO] [stdout]   14:     0x5ea183d44f12 - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ea183d2ba28 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ea183d20b59 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ea183d2c73d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ea183d60edc - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ea183d60c52 - core[6771d259883166e6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5ea183cb8c0a - core::result::Result<T,E>::unwrap::h1bf73a304193ce27
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ea183cb8c0a - vec::test_vec_value::h52bb3829dc766e62
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/vec.rs:10:10
[INFO] [stdout]   22:     0x5ea183cb9407 - vec::test_vec_value::{{closure}}::h0876bcc1e5969d34
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/vec.rs:4:20
[INFO] [stdout]   23:     0x5ea183cb9566 - core::ops::function::FnOnce::call_once::h796110d799bb435c
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ea183cd5ebb - <fn() -> core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5ea183cd5ebb - test[b137923399915ecf]::__rust_begin_short_backtrace::<core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>, fn() -> core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5ea183ce288b - test[b137923399915ecf]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5ea183ce288b - <core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<test[b137923399915ecf]::run_test_in_process::{closure#0}> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5ea183ce288b - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<test[b137923399915ecf]::run_test_in_process::{closure#0}>, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5ea183ce288b - std[128c3efe2914e152]::panicking::catch_unwind::<core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>, core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<test[b137923399915ecf]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5ea183ce288b - std[128c3efe2914e152]::panic::catch_unwind::<core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<test[b137923399915ecf]::run_test_in_process::{closure#0}>, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ea183ce288b - test[b137923399915ecf]::run_test_in_process
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5ea183ce288b - test[b137923399915ecf]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5ea183cdcce4 - test[b137923399915ecf]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5ea183cdcce4 - std[128c3efe2914e152]::sys::backtrace::__rust_begin_short_backtrace::<test[b137923399915ecf]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5ea183ce5492 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5ea183ce5492 - <core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5ea183ce5492 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5ea183ce5492 - std[128c3efe2914e152]::panicking::catch_unwind::<(), core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5ea183ce5492 - std[128c3efe2914e152]::panic::catch_unwind::<core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ea183ce5492 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5ea183ce5492 - <std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1} as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5ea183d4c2bf - <alloc[fef50e8eecedd288]::boxed::Box<dyn core[6771d259883166e6]::ops::function::FnOnce<(), Output = ()> + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2249:9
[INFO] [stdout]   43:     0x5ea183d4c2bf - <std[128c3efe2914e152]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7c7260ff4aa4 - <unknown>
[INFO] [stdout]   45:     0x7c7261081a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_vec_value
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fb20ccb57e72dbe1e7824200dc79c1a93c3ffba1f7970991c34307b8a2d2e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb20ccb57e72dbe1e7824200dc79c1a93c3ffba1f7970991c34307b8a2d2e1a", kill_on_drop: false }`
[INFO] [stdout] 7fb20ccb57e72dbe1e7824200dc79c1a93c3ffba1f7970991c34307b8a2d2e1a
