[INFO] fetching crate ontio-derive-codec 0.2.0...
[INFO] documenting ontio-derive-codec-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ontio-derive-codec 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ontio-derive-codec 0.2.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ontio-derive-codec 0.2.0
[INFO] finished tweaking crates.io crate ontio-derive-codec 0.2.0
[INFO] tweaked toml for crates.io crate ontio-derive-codec 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 640a6954864a7ca89a9e81f8e2aa7c727d95f80d5036396372d06eb52f58ee21
[INFO] running `Command { std: "docker" "start" "-a" "640a6954864a7ca89a9e81f8e2aa7c727d95f80d5036396372d06eb52f58ee21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640a6954864a7ca89a9e81f8e2aa7c727d95f80d5036396372d06eb52f58ee21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640a6954864a7ca89a9e81f8e2aa7c727d95f80d5036396372d06eb52f58ee21", kill_on_drop: false }`
[INFO] [stdout] 640a6954864a7ca89a9e81f8e2aa7c727d95f80d5036396372d06eb52f58ee21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba3f703545ecc963486d2844609d05d58412b4fc86be09ce19cf08d60dad1c99
[INFO] running `Command { std: "docker" "start" "-a" "ba3f703545ecc963486d2844609d05d58412b4fc86be09ce19cf08d60dad1c99", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting ontio-derive-codec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_hygiene)]
[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 `ontio-derive-codec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name ontio_derive_codec src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=921532c0f77cf65f -L dependency=/opt/rustwide/target/debug/deps --extern heck=/opt/rustwide/target/debug/deps/libheck-ea3b5184be63e654.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c1d3bfa6658bd3cb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5e860005d80c271d.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-6005d3945ea230c4.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ba3f703545ecc963486d2844609d05d58412b4fc86be09ce19cf08d60dad1c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3f703545ecc963486d2844609d05d58412b4fc86be09ce19cf08d60dad1c99", kill_on_drop: false }`
[INFO] [stdout] ba3f703545ecc963486d2844609d05d58412b4fc86be09ce19cf08d60dad1c99