[INFO] fetching crate fluence-app-service 0.1.9...
[INFO] testing fluence-app-service-0.1.9 against 1.47.0 for beta-1.48-1
[INFO] extracting crate fluence-app-service 0.1.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fluence-app-service 0.1.9 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fluence-app-service 0.1.9
[INFO] finished tweaking crates.io crate fluence-app-service 0.1.9
[INFO] tweaked toml for crates.io crate fluence-app-service 0.1.9 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ac6dd3cd018f918f385aea294c9668135ba12d60bf8fbe951478e6d896bb90a
[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" "2ac6dd3cd018f918f385aea294c9668135ba12d60bf8fbe951478e6d896bb90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac6dd3cd018f918f385aea294c9668135ba12d60bf8fbe951478e6d896bb90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac6dd3cd018f918f385aea294c9668135ba12d60bf8fbe951478e6d896bb90a", kill_on_drop: false }`
[INFO] [stdout] 2ac6dd3cd018f918f385aea294c9668135ba12d60bf8fbe951478e6d896bb90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d02458ce792248a96266ffcdc505624039f3a40ea61f83ad98b4abbd7095088a
[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" "d02458ce792248a96266ffcdc505624039f3a40ea61f83ad98b4abbd7095088a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling wasmparser v0.51.4
[INFO] [stderr]    Compiling wasmparser v0.55.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.59.0
[INFO] [stderr]    Compiling wast v8.0.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling pwasm-utils v0.12.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wasmer-runtime-core-fl v0.17.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling walrus v0.17.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling erased-serde v0.3.12
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling typetag v0.1.6
[INFO] [stderr]    Compiling cranelift-codegen v0.59.0
[INFO] [stderr]    Compiling wasmer-interface-types-fl v0.17.9
[INFO] [stderr]    Compiling fluence-sdk-wit v0.2.8
[INFO] [stderr]    Compiling fluence-sdk-macro v0.2.8
[INFO] [stderr]    Compiling fce-wit-interfaces v0.1.5
[INFO] [stderr]    Compiling fluence-sdk-main v0.2.8
[INFO] [stderr]    Compiling fce-wit-parser v0.1.7
[INFO] [stderr]    Compiling wasmer-wasi-fl v0.17.0
[INFO] [stderr]    Compiling wasmer-clif-fork-frontend v0.59.0
[INFO] [stderr]    Compiling cranelift-native v0.59.0
[INFO] [stderr]    Compiling wasmer-clif-fork-wasm v0.59.0
[INFO] [stderr]    Compiling wasmer-clif-backend-fl v0.17.0
[INFO] [stderr]    Compiling wasmer-runtime-fl v0.17.0
[INFO] [stderr]    Compiling fce v0.1.8
[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/fce-0.1.8/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(get_mut_unchecked)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/fce-0.1.8/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(new_uninit)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/fce-0.1.8/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fce`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d02458ce792248a96266ffcdc505624039f3a40ea61f83ad98b4abbd7095088a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02458ce792248a96266ffcdc505624039f3a40ea61f83ad98b4abbd7095088a", kill_on_drop: false }`
[INFO] [stdout] d02458ce792248a96266ffcdc505624039f3a40ea61f83ad98b4abbd7095088a
