[INFO] cloning repository https://github.com/eoxxs/differential-aggregate-query
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eoxxs/differential-aggregate-query" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feoxxs%2Fdifferential-aggregate-query", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feoxxs%2Fdifferential-aggregate-query'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74676c1f142ec38772493440e085dc56af7fa005
[INFO] documenting eoxxs/differential-aggregate-query against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feoxxs%2Fdifferential-aggregate-query" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eoxxs/differential-aggregate-query on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eoxxs/differential-aggregate-query
[INFO] finished tweaking git repo https://github.com/eoxxs/differential-aggregate-query
[INFO] tweaked toml for git repo https://github.com/eoxxs/differential-aggregate-query written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/eoxxs/differential-aggregate-query already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timely_sort v0.1.6
[INFO] [stderr]   Downloaded abomonation v0.7.3
[INFO] [stderr]   Downloaded abomonation_derive v0.3.0
[INFO] [stderr]   Downloaded timely_bytes v0.9.0
[INFO] [stderr]   Downloaded timely_communication v0.9.0
[INFO] [stderr]   Downloaded timely_logging v0.9.0
[INFO] [stderr]   Downloaded timely v0.9.0
[INFO] [stderr]   Downloaded differential-dataflow v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c48b292a74b7eb4590a99ae62a81edf46d549b69600f45d741550dbcb558653
[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" "7c48b292a74b7eb4590a99ae62a81edf46d549b69600f45d741550dbcb558653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c48b292a74b7eb4590a99ae62a81edf46d549b69600f45d741550dbcb558653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c48b292a74b7eb4590a99ae62a81edf46d549b69600f45d741550dbcb558653", kill_on_drop: false }`
[INFO] [stdout] 7c48b292a74b7eb4590a99ae62a81edf46d549b69600f45d741550dbcb558653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9752041b0b838c71282d14be541025218297c6d35f4fb5ec186c675d9a1e6551
[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" "9752041b0b838c71282d14be541025218297c6d35f4fb5ec186c675d9a1e6551", kill_on_drop: false }`
[INFO] [stderr]     Checking timely_logging v0.9.0
[INFO] [stderr]     Checking timely_bytes v0.9.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling abomonation_derive v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking timely_communication v0.9.0
[INFO] [stderr]     Checking timely v0.9.0
[INFO] [stderr]     Checking differential-dataflow v0.9.0
[INFO] [stderr]  Documenting differential-aggregate-query v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(drain_filter)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[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: Could not document `differential-aggregate-query`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name differential_aggregate_query src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-bcefed56adfd9128.rmeta --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-3c35e2f9ffe5cef4.so --extern differential_dataflow=/opt/rustwide/target/debug/deps/libdifferential_dataflow-ab26ca7bd685064d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ec5e695d7e4b5284.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f436bb6928f18c21.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c4ec997ff5337c19.rmeta --extern timely=/opt/rustwide/target/debug/deps/libtimely-348cb5051b3f3ce5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "9752041b0b838c71282d14be541025218297c6d35f4fb5ec186c675d9a1e6551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9752041b0b838c71282d14be541025218297c6d35f4fb5ec186c675d9a1e6551", kill_on_drop: false }`
[INFO] [stdout] 9752041b0b838c71282d14be541025218297c6d35f4fb5ec186c675d9a1e6551