[INFO] fetching crate wasmesh-proto 0.2.0...
[INFO] testing wasmesh-proto-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate wasmesh-proto 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wasmesh-proto 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmesh-proto 0.2.0
[INFO] finished tweaking crates.io crate wasmesh-proto 0.2.0
[INFO] tweaked toml for crates.io crate wasmesh-proto 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 4ae63cacb9d51e197e76f7b70d3d7c9ea6d9bd928dcb5a8b58043139c0b37c35
[INFO] running `Command { std: "docker" "start" "-a" "4ae63cacb9d51e197e76f7b70d3d7c9ea6d9bd928dcb5a8b58043139c0b37c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae63cacb9d51e197e76f7b70d3d7c9ea6d9bd928dcb5a8b58043139c0b37c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae63cacb9d51e197e76f7b70d3d7c9ea6d9bd928dcb5a8b58043139c0b37c35", kill_on_drop: false }`
[INFO] [stdout] 4ae63cacb9d51e197e76f7b70d3d7c9ea6d9bd928dcb5a8b58043139c0b37c35
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] c830b6f242a5d9006648d3f9f107d1c3dfc6dbe14c23cf8cc0c93afbad319bdc
[INFO] running `Command { std: "docker" "start" "-a" "c830b6f242a5d9006648d3f9f107d1c3dfc6dbe14c23cf8cc0c93afbad319bdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling wasmy-macros v0.2.2
[INFO] [stderr]    Compiling tracing v0.1.33
[INFO] [stderr]    Compiling protoc v2.27.1
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling protobuf-codegen v2.27.1
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling protoc-rust v2.27.1
[INFO] [stderr]    Compiling wasmy-abi v0.2.3
[INFO] [stderr]    Compiling wasmesh-proto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hyper v0.14.18
[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/wasmy-abi-0.2.3/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait_v2)]
[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 `wasmy-abi` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c830b6f242a5d9006648d3f9f107d1c3dfc6dbe14c23cf8cc0c93afbad319bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c830b6f242a5d9006648d3f9f107d1c3dfc6dbe14c23cf8cc0c93afbad319bdc", kill_on_drop: false }`
[INFO] [stdout] c830b6f242a5d9006648d3f9f107d1c3dfc6dbe14c23cf8cc0c93afbad319bdc