[INFO] fetching crate elrond-wasm-derive 0.31.1...
[INFO] documenting elrond-wasm-derive-0.31.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate elrond-wasm-derive 0.31.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate elrond-wasm-derive 0.31.1 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 elrond-wasm-derive 0.31.1
[INFO] finished tweaking crates.io crate elrond-wasm-derive 0.31.1
[INFO] tweaked toml for crates.io crate elrond-wasm-derive 0.31.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 72b2bee2422c5864bc748df2a4a923a9cf42b6a840282c75f522fe979a15029e
[INFO] running `Command { std: "docker" "start" "-a" "72b2bee2422c5864bc748df2a4a923a9cf42b6a840282c75f522fe979a15029e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72b2bee2422c5864bc748df2a4a923a9cf42b6a840282c75f522fe979a15029e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b2bee2422c5864bc748df2a4a923a9cf42b6a840282c75f522fe979a15029e", kill_on_drop: false }`
[INFO] [stdout] 72b2bee2422c5864bc748df2a4a923a9cf42b6a840282c75f522fe979a15029e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 29350a32bb4a80582b11751c00e34986c6eca14b4a37d488872dcdb76208ff83
[INFO] running `Command { std: "docker" "start" "-a" "29350a32bb4a80582b11751c00e34986c6eca14b4a37d488872dcdb76208ff83", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting elrond-wasm-derive v0.31.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_quote)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `elrond-wasm-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name elrond_wasm_derive src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=accd79b256e53d8c -L dependency=/opt/rustwide/target/debug/deps --extern hex=/opt/rustwide/target/debug/deps/libhex-e363d6a41d9ffc70.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-412f8ac4638e7e9b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c3252a44ced4e42f.rmeta --extern radix_trie=/opt/rustwide/target/debug/deps/libradix_trie-e60224b912239907.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-74a40f61dc909e58.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.31.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "29350a32bb4a80582b11751c00e34986c6eca14b4a37d488872dcdb76208ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29350a32bb4a80582b11751c00e34986c6eca14b4a37d488872dcdb76208ff83", kill_on_drop: false }`
[INFO] [stdout] 29350a32bb4a80582b11751c00e34986c6eca14b4a37d488872dcdb76208ff83