[INFO] fetching crate rusk-abi 0.6.2...
[INFO] testing rusk-abi-0.6.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rusk-abi 0.6.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rusk-abi 0.6.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusk-abi 0.6.2
[INFO] finished tweaking crates.io crate rusk-abi 0.6.2
[INFO] tweaked toml for crates.io crate rusk-abi 0.6.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dusk-jubjub v0.10.1
[INFO] [stderr]   Downloaded merlin v3.0.0
[INFO] [stderr]   Downloaded dusk-poseidon v0.23.0-rc.3
[INFO] [stderr]   Downloaded dusk-hamt v0.5.0
[INFO] [stderr]   Downloaded rusk-vm v0.8.0-rc.0
[INFO] [stderr]   Downloaded blake2 v0.10.4
[INFO] [stderr]   Downloaded dusk-pki v0.9.0-rc.0
[INFO] [stderr]   Downloaded dusk-bls12_381-sign v0.1.0-rc.3
[INFO] [stderr]   Downloaded dusk-schnorr v0.9.0-rc.1
[INFO] [stderr]   Downloaded dusk-hades v0.17.0-rc.0
[INFO] [stderr]   Downloaded microkelvin v0.10.6
[INFO] [stderr]   Downloaded dusk-plonk v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21e4815a92db07841e3fa0fb772321d8e51d5a785ce4c945b6e1a1913d94bbfc
[INFO] running `Command { std: "docker" "start" "-a" "21e4815a92db07841e3fa0fb772321d8e51d5a785ce4c945b6e1a1913d94bbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21e4815a92db07841e3fa0fb772321d8e51d5a785ce4c945b6e1a1913d94bbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e4815a92db07841e3fa0fb772321d8e51d5a785ce4c945b6e1a1913d94bbfc", kill_on_drop: false }`
[INFO] [stdout] 21e4815a92db07841e3fa0fb772321d8e51d5a785ce4c945b6e1a1913d94bbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98d6d64d0a1d348512d7d38ae6c3b65169f0293ce8ba818cb7ccf3f306e3355d
[INFO] running `Command { std: "docker" "start" "-a" "98d6d64d0a1d348512d7d38ae6c3b65169f0293ce8ba818cb7ccf3f306e3355d", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling arbitrary v1.1.0
[INFO] [stderr]    Compiling dusk-varint v0.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling dusk-bytes v0.1.5
[INFO] [stderr]    Compiling blake2b_simd v0.3.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dusk-bytes-0.1.5/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(const_panic)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_panic` has been stable since 1.57.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dusk-bytes` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "98d6d64d0a1d348512d7d38ae6c3b65169f0293ce8ba818cb7ccf3f306e3355d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d6d64d0a1d348512d7d38ae6c3b65169f0293ce8ba818cb7ccf3f306e3355d", kill_on_drop: false }`
[INFO] [stdout] 98d6d64d0a1d348512d7d38ae6c3b65169f0293ce8ba818cb7ccf3f306e3355d