[INFO] fetching crate rustsbi 0.2.1...
[INFO] testing rustsbi-0.2.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rustsbi 0.2.1 into /workspace/builds/worker-111/source
[INFO] validating manifest of crates.io crate rustsbi 0.2.1 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 rustsbi 0.2.1
[INFO] finished tweaking crates.io crate rustsbi 0.2.1
[INFO] tweaked toml for crates.io crate rustsbi 0.2.1 written to /workspace/builds/worker-111/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-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 54e70d06305d9ebf839eb36c2fa0b418684d86c26cef3a8ca30d30b5af892614
[INFO] running `Command { std: "docker" "start" "-a" "54e70d06305d9ebf839eb36c2fa0b418684d86c26cef3a8ca30d30b5af892614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e70d06305d9ebf839eb36c2fa0b418684d86c26cef3a8ca30d30b5af892614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e70d06305d9ebf839eb36c2fa0b418684d86c26cef3a8ca30d30b5af892614", kill_on_drop: false }`
[INFO] [stdout] 54e70d06305d9ebf839eb36c2fa0b418684d86c26cef3a8ca30d30b5af892614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] f4593a06230e2685b5ed9189e9a1cec02d12ad4b856881091e465ba97038a24c
[INFO] running `Command { std: "docker" "start" "-a" "f4593a06230e2685b5ed9189e9a1cec02d12ad4b856881091e465ba97038a24c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.7.0
[INFO] [stderr]    Compiling rustsbi v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 | #![feature(ptr_metadata)]
[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 `rustsbi` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f4593a06230e2685b5ed9189e9a1cec02d12ad4b856881091e465ba97038a24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4593a06230e2685b5ed9189e9a1cec02d12ad4b856881091e465ba97038a24c", kill_on_drop: false }`
[INFO] [stdout] f4593a06230e2685b5ed9189e9a1cec02d12ad4b856881091e465ba97038a24c