[INFO] fetching crate xxblake3 0.0.5...
[INFO] testing xxblake3-0.0.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate xxblake3 0.0.5 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate xxblake3 0.0.5 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 xxblake3 0.0.5
[INFO] finished tweaking crates.io crate xxblake3 0.0.5
[INFO] tweaked toml for crates.io crate xxblake3 0.0.5 written to /workspace/builds/worker-57/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 4cc9e7b52f47681768e42b88b6af96ebb112e32a771ee5f3c0438be56f85d978
[INFO] running `Command { std: "docker" "start" "-a" "4cc9e7b52f47681768e42b88b6af96ebb112e32a771ee5f3c0438be56f85d978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc9e7b52f47681768e42b88b6af96ebb112e32a771ee5f3c0438be56f85d978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc9e7b52f47681768e42b88b6af96ebb112e32a771ee5f3c0438be56f85d978", kill_on_drop: false }`
[INFO] [stdout] 4cc9e7b52f47681768e42b88b6af96ebb112e32a771ee5f3c0438be56f85d978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 174f471c0c570a660f88baaae4ab4fcaaf93d8cef952ee88894bf50b9cdf353f
[INFO] running `Command { std: "docker" "start" "-a" "174f471c0c570a660f88baaae4ab4fcaaf93d8cef952ee88894bf50b9cdf353f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling twox-hash v1.6.2
[INFO] [stderr]    Compiling xxblake3 v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[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 `xxblake3` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "174f471c0c570a660f88baaae4ab4fcaaf93d8cef952ee88894bf50b9cdf353f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174f471c0c570a660f88baaae4ab4fcaaf93d8cef952ee88894bf50b9cdf353f", kill_on_drop: false }`
[INFO] [stdout] 174f471c0c570a660f88baaae4ab4fcaaf93d8cef952ee88894bf50b9cdf353f