[INFO] fetching crate fluke-maybe-uring 0.1.1...
[INFO] checking fluke-maybe-uring-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate fluke-maybe-uring 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fluke-maybe-uring 0.1.1
[INFO] finished tweaking crates.io crate fluke-maybe-uring 0.1.1
[INFO] tweaked toml for crates.io crate fluke-maybe-uring 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fluke-maybe-uring 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "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 19 packages to latest compatible versions
[INFO] [stderr]       Adding tokio-uring v0.4.0 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.5.13
[INFO] [stderr]   Downloaded tokio-uring v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d271ea854f7a9d483be7a34b5cfb596cfd33385ad164a336cfa01e6a1a679c2
[INFO] running `Command { std: "docker" "start" "-a" "7d271ea854f7a9d483be7a34b5cfb596cfd33385ad164a336cfa01e6a1a679c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d271ea854f7a9d483be7a34b5cfb596cfd33385ad164a336cfa01e6a1a679c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d271ea854f7a9d483be7a34b5cfb596cfd33385ad164a336cfa01e6a1a679c2", kill_on_drop: false }`
[INFO] [stdout] 7d271ea854f7a9d483be7a34b5cfb596cfd33385ad164a336cfa01e6a1a679c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c0c62bd57b095569c5b57550ee7d9b3993d4c65aa79c9051319f18bddc58ba0
[INFO] running `Command { std: "docker" "start" "-a" "8c0c62bd57b095569c5b57550ee7d9b3993d4c65aa79c9051319f18bddc58ba0", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.5.13
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking tokio-uring v0.4.0
[INFO] [stderr]     Checking fluke-maybe-uring v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_fn_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bytes`
[INFO] [stdout]    --> src/buf/io_buf.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(feature = "bytes")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `bytes` 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: `bytes`
[INFO] [stdout]    --> src/buf/io_buf.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[cfg(feature = "bytes")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `bytes` 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: `bytes`
[INFO] [stdout]   --> src/buf/io_buf_mut.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg(feature = "bytes")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]    = help: consider adding `bytes` 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: `miri`
[INFO] [stdout]    --> src/io.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 | #[cfg(all(test, not(feature = "miri")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `miri` 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: `miri`
[INFO] [stdout]    --> src/io/chan.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 | #[cfg(all(test, not(feature = "miri")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `miri` 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: unused import: `non_uring::*`
[INFO] [stdout]   --> src/io.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use non_uring::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_fn_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bytes`
[INFO] [stdout]    --> src/buf/io_buf.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(feature = "bytes")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `bytes` 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: `bytes`
[INFO] [stdout]    --> src/buf/io_buf.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[cfg(feature = "bytes")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `bytes` 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: `bytes`
[INFO] [stdout]   --> src/buf/io_buf_mut.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg(feature = "bytes")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]    = help: consider adding `bytes` 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: `miri`
[INFO] [stdout]    --> src/io.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 | #[cfg(all(test, not(feature = "miri")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `miri` 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: `miri`
[INFO] [stdout]    --> src/io/chan.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 | #[cfg(all(test, not(feature = "miri")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `net`, and `tokio-uring`
[INFO] [stdout]     = help: consider adding `miri` 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: unused import: `non_uring::*`
[INFO] [stdout]   --> src/io.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use non_uring::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fluke-maybe-uring` (lib) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fluke-maybe-uring` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c0c62bd57b095569c5b57550ee7d9b3993d4c65aa79c9051319f18bddc58ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0c62bd57b095569c5b57550ee7d9b3993d4c65aa79c9051319f18bddc58ba0", kill_on_drop: false }`
[INFO] [stdout] 8c0c62bd57b095569c5b57550ee7d9b3993d4c65aa79c9051319f18bddc58ba0
