[INFO] fetching crate io_uring_actor 0.2.0...
[INFO] testing io_uring_actor-0.2.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate io_uring_actor 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate io_uring_actor 0.2.0
[INFO] finished tweaking crates.io crate io_uring_actor 0.2.0
[INFO] tweaked toml for crates.io crate io_uring_actor 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io_uring_actor 0.2.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] [stderr]       Adding flume v0.11.1 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee615ec1c620e563d143960c0be83b9592c0728eefe728296ccbcf72ea8968eb
[INFO] running `Command { std: "docker" "start" "-a" "ee615ec1c620e563d143960c0be83b9592c0728eefe728296ccbcf72ea8968eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee615ec1c620e563d143960c0be83b9592c0728eefe728296ccbcf72ea8968eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee615ec1c620e563d143960c0be83b9592c0728eefe728296ccbcf72ea8968eb", kill_on_drop: false }`
[INFO] [stdout] ee615ec1c620e563d143960c0be83b9592c0728eefe728296ccbcf72ea8968eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c12767b9b0dc7749cc6e4fa85638193e65b333c67a47bc0167e954af4f187ce
[INFO] running `Command { std: "docker" "start" "-a" "4c12767b9b0dc7749cc6e4fa85638193e65b333c67a47bc0167e954af4f187ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling io-uring v0.7.11
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling io_uring_actor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `statx` should have an upper camel case name
[INFO] [stdout]    --> src/io_uring.rs:127:16
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub struct statx {
[INFO] [stdout]     |                ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Statx`
[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: type `statx_timestamp` should have an upper camel case name
[INFO] [stdout]    --> src/io_uring.rs:155:16
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub struct statx_timestamp {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StatxTimestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.39s
[INFO] running `Command { std: "docker" "inspect" "4c12767b9b0dc7749cc6e4fa85638193e65b333c67a47bc0167e954af4f187ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c12767b9b0dc7749cc6e4fa85638193e65b333c67a47bc0167e954af4f187ce", kill_on_drop: false }`
[INFO] [stdout] 4c12767b9b0dc7749cc6e4fa85638193e65b333c67a47bc0167e954af4f187ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad760822ae8eece5d2102014ba7acbcd014a0d8bc9a2c5ea7fd732059ec99cd7
[INFO] running `Command { std: "docker" "start" "-a" "ad760822ae8eece5d2102014ba7acbcd014a0d8bc9a2c5ea7fd732059ec99cd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling io-uring v0.7.11
[INFO] [stderr]    Compiling io_uring_actor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `statx` should have an upper camel case name
[INFO] [stdout]    --> src/io_uring.rs:127:16
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub struct statx {
[INFO] [stdout]     |                ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Statx`
[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: type `statx_timestamp` should have an upper camel case name
[INFO] [stdout]    --> src/io_uring.rs:155:16
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub struct statx_timestamp {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StatxTimestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stdout] warning: type `statx` should have an upper camel case name
[INFO] [stdout]    --> src/io_uring.rs:127:16
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub struct statx {
[INFO] [stdout]     |                ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Statx`
[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: type `statx_timestamp` should have an upper camel case name
[INFO] [stdout]    --> src/io_uring.rs:155:16
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub struct statx_timestamp {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StatxTimestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_zeroed`, `new_with_data`, and `as_slice` are never used
[INFO] [stdout]    --> src/io_uring.rs:35:20
[INFO] [stdout]     |
[INFO] [stdout]  34 |         impl<const N: usize> $name<N> {
[INFO] [stdout]     |         ----------------------------- associated items in this implementation
[INFO] [stdout]  35 |             pub fn new_zeroed() -> Self {
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  39 |             pub fn new_with_data(data: &[u8]) -> Self {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |             pub fn as_slice(&self) -> &[u8] {
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 812 |         create_aligned_page!(Page4K, 4096);
[INFO] [stdout]     |         ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `create_aligned_page` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_zeroed` and `as_slice` are never used
[INFO] [stdout]    --> src/io_uring.rs:35:20
[INFO] [stdout]     |
[INFO] [stdout]  34 |         impl<const N: usize> $name<N> {
[INFO] [stdout]     |         ----------------------------- associated items in this implementation
[INFO] [stdout]  35 |             pub fn new_zeroed() -> Self {
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |             pub fn as_slice(&self) -> &[u8] {
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 906 |         create_aligned_page!(Page4K, 4096);
[INFO] [stdout]     |         ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `create_aligned_page` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `Command { std: "docker" "inspect" "ad760822ae8eece5d2102014ba7acbcd014a0d8bc9a2c5ea7fd732059ec99cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad760822ae8eece5d2102014ba7acbcd014a0d8bc9a2c5ea7fd732059ec99cd7", kill_on_drop: false }`
[INFO] [stdout] ad760822ae8eece5d2102014ba7acbcd014a0d8bc9a2c5ea7fd732059ec99cd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4891b0e2fd0ee089fc263ef87d719934cab31dac7aa00d9ceac7c75368cddec1
[INFO] running `Command { std: "docker" "start" "-a" "4891b0e2fd0ee089fc263ef87d719934cab31dac7aa00d9ceac7c75368cddec1", kill_on_drop: false }`
[INFO] [stderr] warning: type `statx` should have an upper camel case name
[INFO] [stderr]    --> src/io_uring.rs:127:16
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub struct statx {
[INFO] [stderr]     |                ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Statx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `statx_timestamp` should have an upper camel case name
[INFO] [stderr]    --> src/io_uring.rs:155:16
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub struct statx_timestamp {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StatxTimestamp`
[INFO] [stderr] 
[INFO] [stderr] warning: `io_uring_actor` (lib) generated 2 warnings
[INFO] [stderr] warning: associated items `new_zeroed`, `new_with_data`, and `as_slice` are never used
[INFO] [stderr]    --> src/io_uring.rs:35:20
[INFO] [stderr]     |
[INFO] [stderr]  34 |         impl<const N: usize> $name<N> {
[INFO] [stderr]     |         ----------------------------- associated items in this implementation
[INFO] [stderr]  35 |             pub fn new_zeroed() -> Self {
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  39 |             pub fn new_with_data(data: &[u8]) -> Self {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  46 |             pub fn as_slice(&self) -> &[u8] {
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 812 |         create_aligned_page!(Page4K, 4096);
[INFO] [stderr]     |         ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `create_aligned_page` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_zeroed` and `as_slice` are never used
[INFO] [stderr]    --> src/io_uring.rs:35:20
[INFO] [stderr]     |
[INFO] [stderr]  34 |         impl<const N: usize> $name<N> {
[INFO] [stderr]     |         ----------------------------- associated items in this implementation
[INFO] [stderr]  35 |             pub fn new_zeroed() -> Self {
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  46 |             pub fn as_slice(&self) -> &[u8] {
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 906 |         create_aligned_page!(Page4K, 4096);
[INFO] [stderr]     |         ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `create_aligned_page` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `io_uring_actor` (lib test) generated 4 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_uring_actor-5f149ff2e8df560d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test io_uring::tests::test_aligned_buffer_is_send ... ok
[INFO] [stdout] test io_uring::tests::test_io_uring_direct_read_write ... FAILED
[INFO] [stdout] test io_uring::tests::test_io_uring_read_write ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- io_uring::tests::test_io_uring_direct_read_write stdout ----
[INFO] [stdout] Error: Os { code: 1, kind: PermissionDenied, message: "Operation not permitted" }
[INFO] [stdout] 
[INFO] [stdout] ---- io_uring::tests::test_io_uring_read_write stdout ----
[INFO] [stdout] Error: Os { code: 1, kind: PermissionDenied, message: "Operation not permitted" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     io_uring::tests::test_io_uring_direct_read_write
[INFO] [stdout]     io_uring::tests::test_io_uring_read_write
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "4891b0e2fd0ee089fc263ef87d719934cab31dac7aa00d9ceac7c75368cddec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4891b0e2fd0ee089fc263ef87d719934cab31dac7aa00d9ceac7c75368cddec1", kill_on_drop: false }`
[INFO] [stdout] 4891b0e2fd0ee089fc263ef87d719934cab31dac7aa00d9ceac7c75368cddec1
