[INFO] fetching crate emf-core-base-rs 0.1.3...
[INFO] testing emf-core-base-rs-0.1.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate emf-core-base-rs 0.1.3 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate emf-core-base-rs 0.1.3 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 emf-core-base-rs 0.1.3
[INFO] finished tweaking crates.io crate emf-core-base-rs 0.1.3
[INFO] tweaked toml for crates.io crate emf-core-base-rs 0.1.3 written to /workspace/builds/worker-87/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] b7d5e5342bb7ba2d1c21103b60a740f708c03a3aa6bee3e1d5abc8df76f39a01
[INFO] running `Command { std: "docker" "start" "-a" "b7d5e5342bb7ba2d1c21103b60a740f708c03a3aa6bee3e1d5abc8df76f39a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7d5e5342bb7ba2d1c21103b60a740f708c03a3aa6bee3e1d5abc8df76f39a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d5e5342bb7ba2d1c21103b60a740f708c03a3aa6bee3e1d5abc8df76f39a01", kill_on_drop: false }`
[INFO] [stdout] b7d5e5342bb7ba2d1c21103b60a740f708c03a3aa6bee3e1d5abc8df76f39a01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 2de4b5f701d094f5497df063fd9d73d84d21ca73594cca24c527c1e8c9181610
[INFO] running `Command { std: "docker" "start" "-a" "2de4b5f701d094f5497df063fd9d73d84d21ca73594cca24c527c1e8c9181610", 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]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling emf-core-base-rs-ffi v0.1.2
[INFO] [stderr]    Compiling memchr v2.4.1
[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/emf-core-base-rs-ffi-0.1.2/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(c_unwind)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling object v0.27.1
[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 `emf-core-base-rs-ffi` 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" "2de4b5f701d094f5497df063fd9d73d84d21ca73594cca24c527c1e8c9181610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de4b5f701d094f5497df063fd9d73d84d21ca73594cca24c527c1e8c9181610", kill_on_drop: false }`
[INFO] [stdout] 2de4b5f701d094f5497df063fd9d73d84d21ca73594cca24c527c1e8c9181610