[INFO] fetching crate wasm-wrapper-gen-build 0.0.3...
[INFO] documenting wasm-wrapper-gen-build-0.0.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate wasm-wrapper-gen-build 0.0.3 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate wasm-wrapper-gen-build 0.0.3 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 wasm-wrapper-gen-build 0.0.3
[INFO] finished tweaking crates.io crate wasm-wrapper-gen-build 0.0.3
[INFO] tweaked toml for crates.io crate wasm-wrapper-gen-build 0.0.3 written to /workspace/builds/worker-18/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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 1fc5c0be88232f70e7a5d8b33552a1263a55ab832433fb999898cc0d9dfe1421
[INFO] running `Command { std: "docker" "start" "-a" "1fc5c0be88232f70e7a5d8b33552a1263a55ab832433fb999898cc0d9dfe1421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fc5c0be88232f70e7a5d8b33552a1263a55ab832433fb999898cc0d9dfe1421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc5c0be88232f70e7a5d8b33552a1263a55ab832433fb999898cc0d9dfe1421", kill_on_drop: false }`
[INFO] [stdout] 1fc5c0be88232f70e7a5d8b33552a1263a55ab832433fb999898cc0d9dfe1421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] da9ddc510d8283e8addbc7ab0a323ed5c0e7d391f156729de6d263019a025504
[INFO] running `Command { std: "docker" "start" "-a" "da9ddc510d8283e8addbc7ab0a323ed5c0e7d391f156729de6d263019a025504", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking proc-macro-hack v0.4.3
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking wasm-wrapper-gen-shared v0.0.3
[INFO] [stderr]  Documenting wasm-wrapper-gen-build v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::visit`
[INFO] [stdout]  --> src/source_searching.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use syn::visit::Visitor;
[INFO] [stdout]   |              ^^^^^ could not find `visit` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `visit` in `syn`
[INFO] [stdout]   --> src/source_searching.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl syn::visit::Visitor for FindMacrosVisitor {
[INFO] [stdout]    |           ^^^^^ could not find `visit` in `syn`
[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] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wasm-wrapper-gen-build`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name wasm_wrapper_gen_build src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ddf89967f22772bd -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-c88cfe258b39ebbc.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-45ab9d7303a86ec8.rmeta --extern wasm_wrapper_gen_shared=/opt/rustwide/target/debug/deps/libwasm_wrapper_gen_shared-b5c682dbaba5c5b6.rmeta --cap-lints=warn --crate-version 0.0.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "da9ddc510d8283e8addbc7ab0a323ed5c0e7d391f156729de6d263019a025504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9ddc510d8283e8addbc7ab0a323ed5c0e7d391f156729de6d263019a025504", kill_on_drop: false }`
[INFO] [stdout] da9ddc510d8283e8addbc7ab0a323ed5c0e7d391f156729de6d263019a025504