[INFO] fetching crate wasm-bindgen-test-crate-a 0.1.0...
[INFO] documenting wasm-bindgen-test-crate-a-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate wasm-bindgen-test-crate-a 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate wasm-bindgen-test-crate-a 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-bindgen-test-crate-a 0.1.0
[INFO] finished tweaking crates.io crate wasm-bindgen-test-crate-a 0.1.0
[INFO] tweaked toml for crates.io crate wasm-bindgen-test-crate-a 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84ea471d074f4ddb28adb82af83f5a7a40c80ba9dc4a26aa54d524dc564d82cd
[INFO] running `Command { std: "docker" "start" "-a" "84ea471d074f4ddb28adb82af83f5a7a40c80ba9dc4a26aa54d524dc564d82cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ea471d074f4ddb28adb82af83f5a7a40c80ba9dc4a26aa54d524dc564d82cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ea471d074f4ddb28adb82af83f5a7a40c80ba9dc4a26aa54d524dc564d82cd", kill_on_drop: false }`
[INFO] [stdout] 84ea471d074f4ddb28adb82af83f5a7a40c80ba9dc4a26aa54d524dc564d82cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d6401308114103b72fdb7ece89f5fccd583f64dfbc8dca6d372ea63ea88dedd
[INFO] running `Command { std: "docker" "start" "-a" "5d6401308114103b72fdb7ece89f5fccd583f64dfbc8dca6d372ea63ea88dedd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.75
[INFO] [stderr]  Documenting wasm-bindgen-test-crate-a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown attribute
[INFO] [stdout]  --> src/lib.rs:7:57
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[wasm_bindgen(module = "tests/wasm/duplicate_deps.js", version = "*")]
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(use_extern_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `wasm-bindgen-test-crate-a`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name wasm_bindgen_test_crate_a 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 wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-f325ca09c243fc57.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5d6401308114103b72fdb7ece89f5fccd583f64dfbc8dca6d372ea63ea88dedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6401308114103b72fdb7ece89f5fccd583f64dfbc8dca6d372ea63ea88dedd", kill_on_drop: false }`
[INFO] [stdout] 5d6401308114103b72fdb7ece89f5fccd583f64dfbc8dca6d372ea63ea88dedd
