[INFO] fetching crate fixed-codec-derive 0.1.0...
[INFO] testing fixed-codec-derive-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fixed-codec-derive 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fixed-codec-derive 0.1.0
[INFO] finished tweaking crates.io crate fixed-codec-derive 0.1.0
[INFO] tweaked toml for crates.io crate fixed-codec-derive 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed-codec-derive 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 113 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.10.1)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding rlp v0.4.6 (available: v0.6.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0041377cb1b1009cb2fc25a6687e8259360f81b466700723c88841751c9167f0
[INFO] running `Command { std: "docker" "start" "-a" "0041377cb1b1009cb2fc25a6687e8259360f81b466700723c88841751c9167f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0041377cb1b1009cb2fc25a6687e8259360f81b466700723c88841751c9167f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0041377cb1b1009cb2fc25a6687e8259360f81b466700723c88841751c9167f0", kill_on_drop: false }`
[INFO] [stdout] 0041377cb1b1009cb2fc25a6687e8259360f81b466700723c88841751c9167f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a45ce3fdb592aa1eef1a002cc20a353b04f60e70975d52ccc60657dd0d6dce7
[INFO] running `Command { std: "docker" "start" "-a" "9a45ce3fdb592aa1eef1a002cc20a353b04f60e70975d52ccc60657dd0d6dce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fixed-codec-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "9a45ce3fdb592aa1eef1a002cc20a353b04f60e70975d52ccc60657dd0d6dce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a45ce3fdb592aa1eef1a002cc20a353b04f60e70975d52ccc60657dd0d6dce7", kill_on_drop: false }`
[INFO] [stdout] 9a45ce3fdb592aa1eef1a002cc20a353b04f60e70975d52ccc60657dd0d6dce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9c562b72b75c651ee352fc3d4b2ca5a0c8299a4030ef40c12f928ba2f82479e
[INFO] running `Command { std: "docker" "start" "-a" "c9c562b72b75c651ee352fc3d4b2ca5a0c8299a4030ef40c12f928ba2f82479e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling hasher v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling creep v0.1.1
[INFO] [stderr]    Compiling fixed-hash v0.5.2
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling fixed-codec-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.2
[INFO] [stderr]    Compiling impl-serde v0.2.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ethbloom v0.5.3
[INFO] [stderr]    Compiling ethbloom v0.8.1
[INFO] [stderr]    Compiling ethereum-types v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rlp v0.3.0
[INFO] [stderr]    Compiling cita_trie v2.0.0
[INFO] [stderr]    Compiling muta-protocol v0.1.0-alpha.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/muta-protocol-0.1.0-alpha.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `muta-protocol` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c9c562b72b75c651ee352fc3d4b2ca5a0c8299a4030ef40c12f928ba2f82479e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c562b72b75c651ee352fc3d4b2ca5a0c8299a4030ef40c12f928ba2f82479e", kill_on_drop: false }`
[INFO] [stdout] c9c562b72b75c651ee352fc3d4b2ca5a0c8299a4030ef40c12f928ba2f82479e