[INFO] fetching crate tari_service_framework 0.8.1...
[INFO] documenting tari_service_framework-0.8.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tari_service_framework 0.8.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate tari_service_framework 0.8.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tari_service_framework 0.8.1
[INFO] finished tweaking crates.io crate tari_service_framework 0.8.1
[INFO] tweaked toml for crates.io crate tari_service_framework 0.8.1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate tari_service_framework 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ff16e9456560869a14fa8c4421d8c91fd7784c4c9eabdae38c03b61b7019e0a
[INFO] running `Command { std: "docker" "start" "-a" "2ff16e9456560869a14fa8c4421d8c91fd7784c4c9eabdae38c03b61b7019e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff16e9456560869a14fa8c4421d8c91fd7784c4c9eabdae38c03b61b7019e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff16e9456560869a14fa8c4421d8c91fd7784c4c9eabdae38c03b61b7019e0a", kill_on_drop: false }`
[INFO] [stdout] 2ff16e9456560869a14fa8c4421d8c91fd7784c4c9eabdae38c03b61b7019e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40abfcffda7d590dd3ddb2d3648737a5acec81274632d8c7d4a76104046e7dcb
[INFO] running `Command { std: "docker" "start" "-a" "40abfcffda7d590dd3ddb2d3648737a5acec81274632d8c7d4a76104046e7dcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tari_shutdown v0.8.1
[INFO] [stderr]  Documenting tari_service_framework v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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,artifacts,future-incompat --document-private-items -C metadata=9e6f0d6552032e1d -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-bb8eae36d788d448.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-1a51829e4af53814.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3151d321660cef26.rmeta --extern tari_shutdown=/opt/rustwide/target/debug/deps/libtari_shutdown-7b825fffb8711fe0.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-dc3dbdd30045a14e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-406adf019123b54d.rmeta --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-e4d1b0f4d6018b13.rmeta --cap-lints=warn --crate-version 0.8.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "40abfcffda7d590dd3ddb2d3648737a5acec81274632d8c7d4a76104046e7dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40abfcffda7d590dd3ddb2d3648737a5acec81274632d8c7d4a76104046e7dcb", kill_on_drop: false }`
[INFO] [stdout] 40abfcffda7d590dd3ddb2d3648737a5acec81274632d8c7d4a76104046e7dcb