[INFO] fetching crate tari_service_framework 0.2.7...
[INFO] documenting tari_service_framework-0.2.7 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate tari_service_framework 0.2.7 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tari_service_framework 0.2.7 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tari_service_framework 0.2.7
[INFO] finished tweaking crates.io crate tari_service_framework 0.2.7
[INFO] tweaked toml for crates.io crate tari_service_framework 0.2.7 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate tari_service_framework 0.2.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53f35363a81e45c0f664e5c30e96acf31793257654e603f648cad91677da5bd6
[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" "53f35363a81e45c0f664e5c30e96acf31793257654e603f648cad91677da5bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53f35363a81e45c0f664e5c30e96acf31793257654e603f648cad91677da5bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f35363a81e45c0f664e5c30e96acf31793257654e603f648cad91677da5bd6", kill_on_drop: false }`
[INFO] [stdout] 53f35363a81e45c0f664e5c30e96acf31793257654e603f648cad91677da5bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa76b4ca808cc2f25a5e66b79a9fb608ebf6b5627a7949a6fab43495febe9869
[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" "fa76b4ca808cc2f25a5e66b79a9fb608ebf6b5627a7949a6fab43495febe9869", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking tari_shutdown v0.2.7
[INFO] [stderr]  Documenting tari_service_framework v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | #![feature(type_alias_impl_trait)]
[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 `tari_service_framework`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tari_service_framework 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 anyhow=/opt/rustwide/target/debug/deps/libanyhow-e8218b22857a1d1d.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-753806aba47aad3c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4d9b6dc7228ae14f.rmeta --extern tari_shutdown=/opt/rustwide/target/debug/deps/libtari_shutdown-6290351fc5dbc19f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-899306d9f5bb957c.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-38b1a1629c9d838e.rmeta --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-c4443770076ec4d4.rmeta --cap-lints=warn --crate-version 0.2.7` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "fa76b4ca808cc2f25a5e66b79a9fb608ebf6b5627a7949a6fab43495febe9869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa76b4ca808cc2f25a5e66b79a9fb608ebf6b5627a7949a6fab43495febe9869", kill_on_drop: false }`
[INFO] [stdout] fa76b4ca808cc2f25a5e66b79a9fb608ebf6b5627a7949a6fab43495febe9869
