[INFO] fetching crate fraktor-actor-core-rs 0.2.11...
[INFO] checking fraktor-actor-core-rs-0.2.11 against 1.95.0 for pr-155915
[INFO] extracting crate fraktor-actor-core-rs 0.2.11 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate fraktor-actor-core-rs 0.2.11
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fraktor-actor-core-rs 0.2.11
[INFO] tweaked toml for crates.io crate fraktor-actor-core-rs 0.2.11 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fraktor-actor-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-actor-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] [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]  Downloading crates ...
[INFO] [stderr]   Downloaded erased-serde v0.3.31
[INFO] [stderr]   Downloaded fraktor-utils-core-rs v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6043e6bc00339c8670e3420553f34569632cf3c38624912c2512cabf27a1825c
[INFO] running `Command { std: "docker" "start" "-a" "6043e6bc00339c8670e3420553f34569632cf3c38624912c2512cabf27a1825c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6043e6bc00339c8670e3420553f34569632cf3c38624912c2512cabf27a1825c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6043e6bc00339c8670e3420553f34569632cf3c38624912c2512cabf27a1825c", kill_on_drop: false }`
[INFO] [stdout] 6043e6bc00339c8670e3420553f34569632cf3c38624912c2512cabf27a1825c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bf9c2796a93766b85186b1747a07dde14a6d0da4d17c33b1a062cebe925f5d68
[INFO] running `Command { std: "docker" "start" "-a" "bf9c2796a93766b85186b1747a07dde14a6d0da4d17c33b1a062cebe925f5d68", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling portable-atomic-util v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking regex v1.12.2
[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
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fraktor-utils-core-rs-0.2.11/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] 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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf9c2796a93766b85186b1747a07dde14a6d0da4d17c33b1a062cebe925f5d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9c2796a93766b85186b1747a07dde14a6d0da4d17c33b1a062cebe925f5d68", kill_on_drop: false }`
[INFO] [stdout] bf9c2796a93766b85186b1747a07dde14a6d0da4d17c33b1a062cebe925f5d68