[INFO] fetching crate muta-protocol 0.1.0-alpha.1...
[INFO] testing muta-protocol-0.1.0-alpha.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate muta-protocol 0.1.0-alpha.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate muta-protocol 0.1.0-alpha.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate muta-protocol 0.1.0-alpha.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 117 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.10.1)
[INFO] [stderr]       Adding cita_trie v2.0.0 (available: v5.0.1)
[INFO] [stderr]       Adding creep v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding derive_more v0.15.0 (available: v2.0.1)
[INFO] [stderr]       Adding ethbloom v0.8.1 (available: v0.14.1)
[INFO] [stderr]       Adding hex v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] [stderr]       Adding prost v0.6.1 (available: v0.14.1)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding rlp v0.4.6 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0544948791fc48df3ed3e6ef1bed5856273eecbdc82cc8f27ba3397e2ed053f
[INFO] running `Command { std: "docker" "start" "-a" "f0544948791fc48df3ed3e6ef1bed5856273eecbdc82cc8f27ba3397e2ed053f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0544948791fc48df3ed3e6ef1bed5856273eecbdc82cc8f27ba3397e2ed053f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0544948791fc48df3ed3e6ef1bed5856273eecbdc82cc8f27ba3397e2ed053f", kill_on_drop: false }`
[INFO] [stdout] f0544948791fc48df3ed3e6ef1bed5856273eecbdc82cc8f27ba3397e2ed053f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 741a641d5a06732cb4bd0802444c4cc130adf6483b9be85f1c1ec95b2e5ffce8
[INFO] running `Command { std: "docker" "start" "-a" "741a641d5a06732cb4bd0802444c4cc130adf6483b9be85f1c1ec95b2e5ffce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling ethbloom v0.5.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ethereum-types v0.4.2
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling fixed-hash v0.5.2
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling hasher v0.1.4
[INFO] [stderr]    Compiling rlp v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling impl-serde v0.2.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ethbloom v0.8.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling cita_trie v2.0.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling creep v0.1.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling muta-protocol v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]   --> src/codec/epoch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]    |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]   --> src/codec/primitive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]    |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]  --> src/codec/receipt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]   |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `field` and `impl_default_bytes_codec_for`
[INFO] [stdout]  --> src/codec/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     field, impl_default_bytes_codec_for,
[INFO] [stdout]   |     ^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/epoch.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/primitive.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/receipt.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_default_fixed_codec_for`
[INFO] [stdout]  --> src/fixed_codec/transaction.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{impl_default_fixed_codec_for, ProtocolResult};
[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; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "741a641d5a06732cb4bd0802444c4cc130adf6483b9be85f1c1ec95b2e5ffce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741a641d5a06732cb4bd0802444c4cc130adf6483b9be85f1c1ec95b2e5ffce8", kill_on_drop: false }`
[INFO] [stdout] 741a641d5a06732cb4bd0802444c4cc130adf6483b9be85f1c1ec95b2e5ffce8
