[INFO] fetching crate syn 1.0.74...
[INFO] documenting syn-1.0.74 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate syn 1.0.74 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate syn 1.0.74 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn 1.0.74
[INFO] finished tweaking crates.io crate syn 1.0.74
[INFO] tweaked toml for crates.io crate syn 1.0.74 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-test-suite v0.0.0+test
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c35dfdf238530c68b5032c3455e1a0a2f7a214c0f6e544f34335be28087e8e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c35dfdf238530c68b5032c3455e1a0a2f7a214c0f6e544f34335be28087e8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c35dfdf238530c68b5032c3455e1a0a2f7a214c0f6e544f34335be28087e8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c35dfdf238530c68b5032c3455e1a0a2f7a214c0f6e544f34335be28087e8e3", kill_on_drop: false }`
[INFO] [stdout] 7c35dfdf238530c68b5032c3455e1a0a2f7a214c0f6e544f34335be28087e8e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f4cdcea0ef02f7274b78160425fc04c692ef3c31708ddebc9fe08a99c8f850
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64f4cdcea0ef02f7274b78160425fc04c692ef3c31708ddebc9fe08a99c8f850", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting syn v1.0.74 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `File`
[INFO] [stdout]   --> src/lib.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 | //! [`syn::File`]: File
[INFO] [stdout]    |                    ^^^^ no item named `File` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Item`
[INFO] [stdout]   --> src/lib.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 | //! [`syn::Item`]: Item
[INFO] [stdout]    |                    ^^^^ no item named `Item` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `self::ItemStatic`
[INFO] [stdout]   --> src/token.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | //! [`ItemStatic`]: crate::ItemStatic
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ no item named `ItemStatic` in module `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Block::parse_within`
[INFO] [stdout]   --> src/parse_quote.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 | /// [`Vec<Stmt>`]: Block::parse_within
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ no item named `Block` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "64f4cdcea0ef02f7274b78160425fc04c692ef3c31708ddebc9fe08a99c8f850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f4cdcea0ef02f7274b78160425fc04c692ef3c31708ddebc9fe08a99c8f850", kill_on_drop: false }`
[INFO] [stdout] 64f4cdcea0ef02f7274b78160425fc04c692ef3c31708ddebc9fe08a99c8f850
