[INFO] fetching crate neon-runtime 0.6.0...
[INFO] testing neon-runtime-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate neon-runtime 0.6.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate neon-runtime 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neon-runtime 0.6.0
[INFO] finished tweaking crates.io crate neon-runtime 0.6.0
[INFO] tweaked toml for crates.io crate neon-runtime 0.6.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] eac33774384dc27b1b4836ccaee488c2272c012ddc1636b7be280cef85b5417d
[INFO] running `Command { std: "docker" "start" "-a" "eac33774384dc27b1b4836ccaee488c2272c012ddc1636b7be280cef85b5417d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac33774384dc27b1b4836ccaee488c2272c012ddc1636b7be280cef85b5417d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac33774384dc27b1b4836ccaee488c2272c012ddc1636b7be280cef85b5417d", kill_on_drop: false }`
[INFO] [stdout] eac33774384dc27b1b4836ccaee488c2272c012ddc1636b7be280cef85b5417d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd73cf3d38180cc574295ddbaf300e718299fff1b9250859fa462545761c320
[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" "3cd73cf3d38180cc574295ddbaf300e718299fff1b9250859fa462545761c320", kill_on_drop: false }`
[INFO] [stderr]    Compiling neon-runtime v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: The Neon runtime must have at least one of the `neon-sys` or `napi` backends enabled.
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | compile_error!("The Neon runtime must have at least one of the `neon-sys` or `napi` backends enabled.");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neon-runtime`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3cd73cf3d38180cc574295ddbaf300e718299fff1b9250859fa462545761c320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd73cf3d38180cc574295ddbaf300e718299fff1b9250859fa462545761c320", kill_on_drop: false }`
[INFO] [stdout] 3cd73cf3d38180cc574295ddbaf300e718299fff1b9250859fa462545761c320