[INFO] fetching crate arcon_codegen 0.1.4...
[INFO] documenting arcon_codegen-0.1.4 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate arcon_codegen 0.1.4 into /workspace/builds/worker-10/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-10/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_extra v0.1.1
[INFO] [stderr]   Downloaded arcon_error v0.1.1
[INFO] [stderr]   Downloaded arcon_macros v0.1.3
[INFO] [stderr]   Downloaded arcon_messages v0.1.2
[INFO] [stderr]   Downloaded arcon_spec v0.1.3
[INFO] [stderr]   Downloaded llvm-sys v60.6.0
[INFO] [stderr]   Downloaded executors v0.4.4
[INFO] [stderr]   Downloaded kompact-component-derive v0.7.0
[INFO] [stderr]   Downloaded keyby v0.2.0
[INFO] [stderr]   Downloaded synchronoise v0.4.0
[INFO] [stderr]   Downloaded kompact-actor-derive v0.7.0
[INFO] [stderr]   Downloaded arcon v0.1.3
[INFO] [stderr]   Downloaded arcon_backend v0.1.1
[INFO] [stderr]   Downloaded kompact v0.7.0
[INFO] [stderr]   Downloaded weld v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 78add228241c927866a0c35c56e7828ed184787ea51861c8a52b3f04fdc33f99
[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" "78add228241c927866a0c35c56e7828ed184787ea51861c8a52b3f04fdc33f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78add228241c927866a0c35c56e7828ed184787ea51861c8a52b3f04fdc33f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78add228241c927866a0c35c56e7828ed184787ea51861c8a52b3f04fdc33f99", kill_on_drop: false }`
[INFO] [stdout] 78add228241c927866a0c35c56e7828ed184787ea51861c8a52b3f04fdc33f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTDOCFLAGS=--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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f79cf8b30f86d56bd72ac025d5da4f6cdc07161b223a4a4d317d69558a6613
[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" "b8f79cf8b30f86d56bd72ac025d5da4f6cdc07161b223a4a4d317d69558a6613", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v677.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v677.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.3
[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] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking object v0.21.1
[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] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[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 `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" "b8f79cf8b30f86d56bd72ac025d5da4f6cdc07161b223a4a4d317d69558a6613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f79cf8b30f86d56bd72ac025d5da4f6cdc07161b223a4a4d317d69558a6613", kill_on_drop: false }`
[INFO] [stdout] b8f79cf8b30f86d56bd72ac025d5da4f6cdc07161b223a4a4d317d69558a6613
