[INFO] fetching crate arcon_codegen 0.1.4...
[INFO] testing arcon_codegen-0.1.4 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate arcon_codegen 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate arcon_codegen 0.1.4 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcon_codegen 0.1.4
[INFO] finished tweaking crates.io crate arcon_codegen 0.1.4
[INFO] tweaked toml for crates.io crate arcon_codegen 0.1.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arcon_macros v0.1.3
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded arcon_error v0.1.1
[INFO] [stderr]   Downloaded llvm-sys v60.6.0
[INFO] [stderr]   Downloaded arcon_extra v0.1.1
[INFO] [stderr]   Downloaded arcon_spec v0.1.3
[INFO] [stderr]   Downloaded arcon_messages v0.1.2
[INFO] [stderr]   Downloaded kompact-component-derive v0.7.0
[INFO] [stderr]   Downloaded executors v0.4.4
[INFO] [stderr]   Downloaded weld v0.3.1
[INFO] [stderr]   Downloaded arcon_backend v0.1.1
[INFO] [stderr]   Downloaded kompact-actor-derive v0.7.0
[INFO] [stderr]   Downloaded keyby v0.2.0
[INFO] [stderr]   Downloaded synchronoise v0.4.0
[INFO] [stderr]   Downloaded arcon v0.1.3
[INFO] [stderr]   Downloaded kompact v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e0f5671ba460a1ff5a91cb5852a6ca90b080bb81e10dd5ad0753fe54a1af92
[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" "63e0f5671ba460a1ff5a91cb5852a6ca90b080bb81e10dd5ad0753fe54a1af92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e0f5671ba460a1ff5a91cb5852a6ca90b080bb81e10dd5ad0753fe54a1af92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e0f5671ba460a1ff5a91cb5852a6ca90b080bb81e10dd5ad0753fe54a1af92", kill_on_drop: false }`
[INFO] [stdout] 63e0f5671ba460a1ff5a91cb5852a6ca90b080bb81e10dd5ad0753fe54a1af92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 930db32b7cf741eb0c3074e35577cf788d3429c4bc2aaac7bc6ffecaf021f4ad
[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" "930db32b7cf741eb0c3074e35577cf788d3429c4bc2aaac7bc6ffecaf021f4ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v677.0.0
[INFO] [stderr]    Compiling annotate-snippets v0.8.0
[INFO] [stderr]    Compiling rustc-ap-rustc_fs_util v677.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.21
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[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/rustc-ap-rustc_graphviz-677.0.0/src/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/smallvec-1.4.2/src/lib.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/smallvec-1.4.2/src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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]    Compiling diff v0.1.12
[INFO] [stderr] error: could not compile `rustc-ap-rustc_graphviz`
[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] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "930db32b7cf741eb0c3074e35577cf788d3429c4bc2aaac7bc6ffecaf021f4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930db32b7cf741eb0c3074e35577cf788d3429c4bc2aaac7bc6ffecaf021f4ad", kill_on_drop: false }`
[INFO] [stdout] 930db32b7cf741eb0c3074e35577cf788d3429c4bc2aaac7bc6ffecaf021f4ad
