[INFO] fetching crate dusk-core 1.3.0...
[INFO] testing dusk-core-1.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dusk-core 1.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate dusk-core 1.3.0
[INFO] finished tweaking crates.io crate dusk-core 1.3.0
[INFO] tweaked toml for crates.io crate dusk-core 1.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dusk-core 1.3.0 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 191 packages to latest compatible versions
[INFO] [stderr]       Adding ark-bn254 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-groth16 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-relations v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding ark-serialize v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding bytecheck v0.6.12 (available: v0.8.2)
[INFO] [stderr]       Adding msgpacker v0.4.3 (available: v0.4.8)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rkyv v0.7.45 (available: v0.8.12)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6883d1ea09010b9eaa16096f7f2ff796bd35a932b405bfee671e33600ebb5920
[INFO] running `Command { std: "docker" "start" "-a" "6883d1ea09010b9eaa16096f7f2ff796bd35a932b405bfee671e33600ebb5920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6883d1ea09010b9eaa16096f7f2ff796bd35a932b405bfee671e33600ebb5920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6883d1ea09010b9eaa16096f7f2ff796bd35a932b405bfee671e33600ebb5920", kill_on_drop: false }`
[INFO] [stdout] 6883d1ea09010b9eaa16096f7f2ff796bd35a932b405bfee671e33600ebb5920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3ed9764ff2ab69a095e1a393f4e78074cb7d09c5d32db806547e099145a5bf47
[INFO] running `Command { std: "docker" "start" "-a" "3ed9764ff2ab69a095e1a393f4e78074cb7d09c5d32db806547e099145a5bf47", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]    Compiling rkyv_derive v0.7.45
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling blake2b_simd v1.0.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling dusk-bytes v0.1.7
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling dusk-safe v0.3.0
[INFO] [stderr]    Compiling dusk-bls12_381 v0.14.2
[INFO] [stderr]    Compiling dusk-bls12_381 v0.13.0
[INFO] [stderr]    Compiling dusk-merkle v0.5.3
[INFO] [stderr]    Compiling piecrust-uplink v0.18.0
[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/piecrust-uplink-0.18.0/src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | #![feature(lang_items, panic_info_message)]
[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 `piecrust-uplink` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3ed9764ff2ab69a095e1a393f4e78074cb7d09c5d32db806547e099145a5bf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed9764ff2ab69a095e1a393f4e78074cb7d09c5d32db806547e099145a5bf47", kill_on_drop: false }`
[INFO] [stdout] 3ed9764ff2ab69a095e1a393f4e78074cb7d09c5d32db806547e099145a5bf47
