[INFO] fetching crate syn-next 1.0.0-rc4...
[INFO] documenting syn-next-1.0.0-rc4 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate syn-next 1.0.0-rc4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate syn-next 1.0.0-rc4 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn-next 1.0.0-rc4
[INFO] finished tweaking crates.io crate syn-next 1.0.0-rc4
[INFO] tweaked toml for crates.io crate syn-next 1.0.0-rc4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast-impl v0.2.7
[INFO] [stderr]   Downloaded quote-next v1.0.0-rc3
[INFO] [stderr]   Downloaded ref-cast v0.2.7
[INFO] [stderr]   Downloaded insta v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6c17bfa7c80aab2b5ee84b5bf27f77dd23dc1eda0fcfee6926406fdffb4f3aa
[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" "d6c17bfa7c80aab2b5ee84b5bf27f77dd23dc1eda0fcfee6926406fdffb4f3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c17bfa7c80aab2b5ee84b5bf27f77dd23dc1eda0fcfee6926406fdffb4f3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c17bfa7c80aab2b5ee84b5bf27f77dd23dc1eda0fcfee6926406fdffb4f3aa", kill_on_drop: false }`
[INFO] [stdout] d6c17bfa7c80aab2b5ee84b5bf27f77dd23dc1eda0fcfee6926406fdffb4f3aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 710fa0fdd0bb94dee16412120f41ab084e6c1d8dae03f9e554cc6590a5529a88
[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" "710fa0fdd0bb94dee16412120f41ab084e6c1d8dae03f9e554cc6590a5529a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2-next v1.0.0-rc4
[INFO] [stderr]    Compiling syn-next v1.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote-next v1.0.0-rc3
[INFO] [stderr]  Documenting syn-next v1.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `parse::Parse`
[INFO] [stdout]  --> src/parse_quote.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// [`Parse`]: parse::Parse
[INFO] [stdout]   |                ^^^^^^^^^^^^ `parse` is a function, not a module or type, and cannot have associated items
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `punctuated::Punctuated`
[INFO] [stdout]   --> src/parse_quote.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// [`Punctuated<T, P>`]: punctuated::Punctuated
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ the module `parse_quote` contains no item named `punctuated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `parse::ParseBuffer::peek`
[INFO] [stdout]   --> src/custom_keyword.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | /// [Peeking]: parse::ParseBuffer::peek
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ the module `custom_keyword` contains no item named `parse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `parse::ParseBuffer::parse`
[INFO] [stdout]   --> src/custom_keyword.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | /// [Parsing]: parse::ParseBuffer::parse
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ the module `custom_keyword` contains no item named `parse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `parse::ParseBuffer::peek`
[INFO] [stdout]   --> src/custom_punctuation.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | /// [Peeking]: parse::ParseBuffer::peek
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ the module `custom_punctuation` contains no item named `parse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `parse::ParseBuffer::parse`
[INFO] [stdout]   --> src/custom_punctuation.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// [Parsing]: parse::ParseBuffer::parse
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ the module `custom_punctuation` contains no item named `parse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "710fa0fdd0bb94dee16412120f41ab084e6c1d8dae03f9e554cc6590a5529a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710fa0fdd0bb94dee16412120f41ab084e6c1d8dae03f9e554cc6590a5529a88", kill_on_drop: false }`
[INFO] [stdout] 710fa0fdd0bb94dee16412120f41ab084e6c1d8dae03f9e554cc6590a5529a88
