[INFO] fetching crate elastic-queries 0.1.0...
[INFO] documenting elastic-queries-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate elastic-queries 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate elastic-queries 0.1.0 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 elastic-queries 0.1.0
[INFO] finished tweaking crates.io crate elastic-queries 0.1.0
[INFO] tweaked toml for crates.io crate elastic-queries 0.1.0 written to /workspace/builds/worker-4/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 clippy v0.0.164
[INFO] [stderr]   Downloaded clippy_lints v0.0.164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04b804e98f564f1f4d29ec84593f7c46fa1ead80805a6f661518f5b49b10135e
[INFO] running `Command { std: "docker" "start" "-a" "04b804e98f564f1f4d29ec84593f7c46fa1ead80805a6f661518f5b49b10135e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04b804e98f564f1f4d29ec84593f7c46fa1ead80805a6f661518f5b49b10135e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04b804e98f564f1f4d29ec84593f7c46fa1ead80805a6f661518f5b49b10135e", kill_on_drop: false }`
[INFO] [stdout] 04b804e98f564f1f4d29ec84593f7c46fa1ead80805a6f661518f5b49b10135e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] bcb09cbaad961b38089e0307d913dace99a9daf057f252d0ea45de3bca7abfd5
[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" "bcb09cbaad961b38089e0307d913dace99a9daf057f252d0ea45de3bca7abfd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]  Documenting elastic-queries v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `marco_use` in this scope
[INFO] [stdout]   --> src/lib.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[marco_use]
[INFO] [stdout]    |   ^^^^^^^^^ help: a built-in attribute with a similar name exists: `macro_use`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_for_each)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `elastic-queries`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name elastic_queries src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-bf30dca165bfa284.so --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-3c8accedc17d35ea.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-206cfb4b5fe90396.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e3451a74a47779dd.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4ccb762a4839840f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "bcb09cbaad961b38089e0307d913dace99a9daf057f252d0ea45de3bca7abfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb09cbaad961b38089e0307d913dace99a9daf057f252d0ea45de3bca7abfd5", kill_on_drop: false }`
[INFO] [stdout] bcb09cbaad961b38089e0307d913dace99a9daf057f252d0ea45de3bca7abfd5
