[INFO] fetching crate zk-citadel-moat 0.1.1...
[INFO] testing zk-citadel-moat-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate zk-citadel-moat 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate zk-citadel-moat 0.1.1
[INFO] finished tweaking crates.io crate zk-citadel-moat 0.1.1
[INFO] tweaked toml for crates.io crate zk-citadel-moat 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zk-citadel-moat 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 431 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding bs58 v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding bytecheck v0.6.12 (available: v0.8.2)
[INFO] [stderr]       Adding dusk-bls12_381 v0.12.3 (available: v0.14.2)
[INFO] [stderr]       Adding dusk-jubjub v0.13.1 (available: v0.15.2)
[INFO] [stderr]       Adding dusk-plonk v0.16.0 (available: v0.22.0)
[INFO] [stderr]       Adding dusk-poseidon v0.31.0 (available: v0.41.0)
[INFO] [stderr]       Adding dusk-wallet v0.20.1 (available: v0.22.1)
[INFO] [stderr]       Adding dusk-wallet-core v0.22.0-plonk.0.16 (available: v1.4.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding phoenix-core v0.21.0 (available: v0.35.0)
[INFO] [stderr]       Adding piecrust-uplink v0.8.0-rc.0 (available: v0.8.0)
[INFO] [stderr]       Adding poseidon-merkle v0.3.0 (available: v0.8.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.2)
[INFO] [stderr]       Adding rkyv v0.7.39 (available: v0.7.46)
[INFO] [stderr]       Adding rkyv_derive v0.7.39 (available: v0.7.46)
[INFO] [stderr]       Adding sha2 v0.10.9 (available: v0.11.0)
[INFO] [stderr]       Adding sha3 v0.10.9 (available: v0.11.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding tokio-tungstenite v0.19.0 (available: v0.29.0)
[INFO] [stderr]       Adding zk-citadel v0.6.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2566b2b1668cef59e5eabaa6f4bffcdb660760c6aca1f9ccc393079b518fe8e6
[INFO] running `Command { std: "docker" "start" "-a" "2566b2b1668cef59e5eabaa6f4bffcdb660760c6aca1f9ccc393079b518fe8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2566b2b1668cef59e5eabaa6f4bffcdb660760c6aca1f9ccc393079b518fe8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2566b2b1668cef59e5eabaa6f4bffcdb660760c6aca1f9ccc393079b518fe8e6", kill_on_drop: false }`
[INFO] [stdout] 2566b2b1668cef59e5eabaa6f4bffcdb660760c6aca1f9ccc393079b518fe8e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161ff419c1131e4d22e77f592101a9168883fe4d3bf913fe5f1fb1d7f86a2d88
[INFO] running `Command { std: "docker" "start" "-a" "161ff419c1131e4d22e77f592101a9168883fe4d3bf913fe5f1fb1d7f86a2d88", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling rkyv v0.7.39
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling rkyv_derive v0.7.39
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling dusk-bytes v0.1.7
[INFO] [stderr]    Compiling ahash v0.4.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling openssl v0.10.78
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling typewit v1.15.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling crossterm v0.23.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling blake2b_simd v1.0.4
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.114
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling libz-sys v1.1.28
[INFO] [stderr]    Compiling blake3 v1.8.5
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling ranno v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling iri-string v0.7.12
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling requestty-ui v0.4.1
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling microkelvin v0.17.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling pbkdf2 v0.4.0
[INFO] [stderr]    Compiling konst_kernel v0.3.15
[INFO] [stderr]    Compiling const_panic v0.2.15
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dusk-bls12_381 v0.12.3
[INFO] [stderr]    Compiling dusk-merkle v0.5.3
[INFO] [stderr]    Compiling piecrust-uplink v0.8.0-rc.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling konst_proc_macros v0.3.10
[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-0.8.0-rc.0/src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | #![feature(lang_items, panic_info_message)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[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" "161ff419c1131e4d22e77f592101a9168883fe4d3bf913fe5f1fb1d7f86a2d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161ff419c1131e4d22e77f592101a9168883fe4d3bf913fe5f1fb1d7f86a2d88", kill_on_drop: false }`
[INFO] [stdout] 161ff419c1131e4d22e77f592101a9168883fe4d3bf913fe5f1fb1d7f86a2d88
