[INFO] fetching crate fraktor-utils-core-rs 0.2.11...
[INFO] checking fraktor-utils-core-rs-0.2.11 against 1.95.0 for pr-155915
[INFO] extracting crate fraktor-utils-core-rs 0.2.11 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fraktor-utils-core-rs 0.2.11
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fraktor-utils-core-rs 0.2.11
[INFO] tweaked toml for crates.io crate fraktor-utils-core-rs 0.2.11 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fraktor-utils-core-rs 0.2.11 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] crate crates.io crate fraktor-utils-core-rs 0.2.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2c860abb9416cd2de24a40f23340588a81fca198cebb6fb0fd2b0620f04be9b
[INFO] running `Command { std: "docker" "start" "-a" "c2c860abb9416cd2de24a40f23340588a81fca198cebb6fb0fd2b0620f04be9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2c860abb9416cd2de24a40f23340588a81fca198cebb6fb0fd2b0620f04be9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c860abb9416cd2de24a40f23340588a81fca198cebb6fb0fd2b0620f04be9b", kill_on_drop: false }`
[INFO] [stdout] c2c860abb9416cd2de24a40f23340588a81fca198cebb6fb0fd2b0620f04be9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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] 9e484591c4072b3fa67e0dc921d42072148e162a682c825f063117fba48be9ba
[INFO] running `Command { std: "docker" "start" "-a" "9e484591c4072b3fa67e0dc921d42072148e162a682c825f063117fba48be9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling portable-atomic-util v0.2.4
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking fraktor-utils-core-rs v0.2.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![cfg_attr(feature = "unsize", feature(unsize, coerce_unsized, dispatch_from_dyn))]
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking zerocopy v0.8.27
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fraktor-utils-core-rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e484591c4072b3fa67e0dc921d42072148e162a682c825f063117fba48be9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e484591c4072b3fa67e0dc921d42072148e162a682c825f063117fba48be9ba", kill_on_drop: false }`
[INFO] [stdout] 9e484591c4072b3fa67e0dc921d42072148e162a682c825f063117fba48be9ba
