[INFO] fetching crate wraptest 0.2.1...
[INFO] documenting wraptest-0.2.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate wraptest 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate wraptest 0.2.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wraptest 0.2.1
[INFO] finished tweaking crates.io crate wraptest 0.2.1
[INFO] tweaked toml for crates.io crate wraptest 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8a9044bc59b07389c4f8715146ef30010fbda1de7e5ea754b025f9004b1ef6
[INFO] running `Command { std: "docker" "start" "-a" "8a8a9044bc59b07389c4f8715146ef30010fbda1de7e5ea754b025f9004b1ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8a9044bc59b07389c4f8715146ef30010fbda1de7e5ea754b025f9004b1ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8a9044bc59b07389c4f8715146ef30010fbda1de7e5ea754b025f9004b1ef6", kill_on_drop: false }`
[INFO] [stdout] 8a8a9044bc59b07389c4f8715146ef30010fbda1de7e5ea754b025f9004b1ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02ce2451553e46b308dadd777d291aebe873495f329b70ac3ff75418d31fd197
[INFO] running `Command { std: "docker" "start" "-a" "02ce2451553e46b308dadd777d291aebe873495f329b70ac3ff75418d31fd197", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]  Documenting wraptest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `syn::visit_mut`, `syn::visit_mut`
[INFO] [stdout]    --> src/lib.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     visit_mut::{self, VisitMut},
[INFO] [stdout]     |     ^^^^^^^^^   ^^^^ no `visit_mut` in the root
[INFO] [stdout]     |     |
[INFO] [stdout]     |     could not find `visit_mut` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wraptest`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type proc-macro --crate-name wraptest src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c2be18db29538b64 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro_error=/opt/rustwide/target/debug/deps/libproc_macro_error-459279ad22d9180b.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1bc556be54688c37.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-44762e16f83d10ff.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-931b7ad2a3e506f1.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "02ce2451553e46b308dadd777d291aebe873495f329b70ac3ff75418d31fd197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ce2451553e46b308dadd777d291aebe873495f329b70ac3ff75418d31fd197", kill_on_drop: false }`
[INFO] [stdout] 02ce2451553e46b308dadd777d291aebe873495f329b70ac3ff75418d31fd197
