[INFO] fetching crate code-hasher 0.1.0...
[INFO] testing code-hasher-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate code-hasher 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate code-hasher 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate code-hasher 0.1.0
[INFO] finished tweaking crates.io crate code-hasher 0.1.0
[INFO] tweaked toml for crates.io crate code-hasher 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dusk-jubjub v0.10.1
[INFO] [stderr]   Downloaded derive-hex v0.1.2
[INFO] [stderr]   Downloaded dusk-bls12_381 v0.8.0
[INFO] [stderr]   Downloaded dusk-bytes v0.1.5
[INFO] [stderr]   Downloaded dusk-plonk v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e10ee8c909b75461145ebd116c5c627c95ef6f6b333c48302a01b84a6dc0edd8
[INFO] running `Command { std: "docker" "start" "-a" "e10ee8c909b75461145ebd116c5c627c95ef6f6b333c48302a01b84a6dc0edd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10ee8c909b75461145ebd116c5c627c95ef6f6b333c48302a01b84a6dc0edd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10ee8c909b75461145ebd116c5c627c95ef6f6b333c48302a01b84a6dc0edd8", kill_on_drop: false }`
[INFO] [stdout] e10ee8c909b75461145ebd116c5c627c95ef6f6b333c48302a01b84a6dc0edd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31a5cc8a13f9e3fc8c2a603f429ef442c06647b0c6b6d95098e1285f237a6e2c
[INFO] running `Command { std: "docker" "start" "-a" "31a5cc8a13f9e3fc8c2a603f429ef442c06647b0c6b6d95098e1285f237a6e2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling code-hasher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "31a5cc8a13f9e3fc8c2a603f429ef442c06647b0c6b6d95098e1285f237a6e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a5cc8a13f9e3fc8c2a603f429ef442c06647b0c6b6d95098e1285f237a6e2c", kill_on_drop: false }`
[INFO] [stdout] 31a5cc8a13f9e3fc8c2a603f429ef442c06647b0c6b6d95098e1285f237a6e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac915f445e1acb3fa39b651bda62b16417bca8861af9f39e3af77b694113057e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac915f445e1acb3fa39b651bda62b16417bca8861af9f39e3af77b694113057e", kill_on_drop: false }`
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling dusk-bytes v0.1.5
[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]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[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" "ac915f445e1acb3fa39b651bda62b16417bca8861af9f39e3af77b694113057e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac915f445e1acb3fa39b651bda62b16417bca8861af9f39e3af77b694113057e", kill_on_drop: false }`
[INFO] [stdout] ac915f445e1acb3fa39b651bda62b16417bca8861af9f39e3af77b694113057e