[INFO] fetching crate rusk-schema 0.1.0...
[INFO] testing rusk-schema-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rusk-schema 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate rusk-schema 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusk-schema 0.1.0
[INFO] finished tweaking crates.io crate rusk-schema 0.1.0
[INFO] tweaked toml for crates.io crate rusk-schema 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.0
[INFO] [stderr]   Downloaded dusk-pki v0.10.0-rc.1
[INFO] [stderr]   Downloaded tonic v0.6.2
[INFO] [stderr]   Downloaded dusk-bls12_381 v0.9.0
[INFO] [stderr]   Downloaded dusk-poseidon v0.25.0-rc.0
[INFO] [stderr]   Downloaded phoenix-core v0.16.0-rc.1
[INFO] [stderr]   Downloaded derive-hex v0.1.2
[INFO] [stderr]   Downloaded dusk-hades v0.18.0-rc.0
[INFO] [stderr]   Downloaded dusk-jubjub v0.11.1
[INFO] [stderr]   Downloaded dusk-bytes v0.1.5
[INFO] [stderr]   Downloaded merlin v3.0.0
[INFO] [stderr]   Downloaded dusk-plonk v0.10.0
[INFO] [stderr]   Downloaded tonic-build v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af14f934a19aae711187d48f16ae7ed593acfb98896e65e3ef3e1c4276998738
[INFO] running `Command { std: "docker" "start" "-a" "af14f934a19aae711187d48f16ae7ed593acfb98896e65e3ef3e1c4276998738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af14f934a19aae711187d48f16ae7ed593acfb98896e65e3ef3e1c4276998738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af14f934a19aae711187d48f16ae7ed593acfb98896e65e3ef3e1c4276998738", kill_on_drop: false }`
[INFO] [stdout] af14f934a19aae711187d48f16ae7ed593acfb98896e65e3ef3e1c4276998738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30be1d1bd31cea1b07e3b95be5eec604db7abc444ba4ab23ce5b60ae311fe10b
[INFO] running `Command { std: "docker" "start" "-a" "30be1d1bd31cea1b07e3b95be5eec604db7abc444ba4ab23ce5b60ae311fe10b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling tracing v0.1.33
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dusk-bytes v0.1.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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] [stderr] error: could not compile `dusk-bytes` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "30be1d1bd31cea1b07e3b95be5eec604db7abc444ba4ab23ce5b60ae311fe10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30be1d1bd31cea1b07e3b95be5eec604db7abc444ba4ab23ce5b60ae311fe10b", kill_on_drop: false }`
[INFO] [stdout] 30be1d1bd31cea1b07e3b95be5eec604db7abc444ba4ab23ce5b60ae311fe10b