[INFO] fetching crate syntex_syntax2 0.0.2...
[INFO] documenting syntex_syntax2-0.0.2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate syntex_syntax2 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate syntex_syntax2 0.0.2 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 syntex_syntax2 0.0.2
[INFO] finished tweaking crates.io crate syntex_syntax2 0.0.2
[INFO] tweaked toml for crates.io crate syntex_syntax2 0.0.2 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 371022d94f7760b7dc3cad4cc9bd57ad2adcf8a3141e561dc93b61cbe3b3dd70
[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" "371022d94f7760b7dc3cad4cc9bd57ad2adcf8a3141e561dc93b61cbe3b3dd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371022d94f7760b7dc3cad4cc9bd57ad2adcf8a3141e561dc93b61cbe3b3dd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371022d94f7760b7dc3cad4cc9bd57ad2adcf8a3141e561dc93b61cbe3b3dd70", kill_on_drop: false }`
[INFO] [stdout] 371022d94f7760b7dc3cad4cc9bd57ad2adcf8a3141e561dc93b61cbe3b3dd70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8117b74cfdb8bfbc69cb09b534cb38bfc67c78596af1baf28b3aa682600ffc8b
[INFO] running `Command { std: "docker" "start" "-a" "8117b74cfdb8bfbc69cb09b534cb38bfc67c78596af1baf28b3aa682600ffc8b", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]     Checking syntex_pos v0.59.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking syntex_errors v0.59.1
[INFO] [stderr]  Documenting syntex_syntax2 v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parse/lexer/mod.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         (pos - self.filemap.start_pos)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse/lexer/mod.rs:733:20
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 '0'...'9' | '_' | '.' | 'e' | 'E' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/print/pprust.rs:676:17
[INFO] [stdout]     |
[INFO] [stdout] 676 |                 (format!("\"{}\"", parse::escape_default(st)))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/print/pprust.rs:679:17
[INFO] [stdout]     |
[INFO] [stdout] 679 | /                 (format!("r{delim}\"{string}\"{delim}",
[INFO] [stdout] 680 | |                          delim=repeat("#", n),
[INFO] [stdout] 681 | |                          string=st))
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 679 |                 format!("r{delim}\"{string}\"{delim}",
[INFO] [stdout] 680 |                          delim=repeat("#", n),
[INFO] [stdout] 681 |                          string=st)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `stable`
[INFO] [stdout]    --> src/attr.rs:627:22
[INFO] [stdout]     |
[INFO] [stdout] 627 | /// Represents the #[stable], #[unstable] and #[rustc_deprecated] attributes.
[INFO] [stdout]     |                      ^^^^^^ the module `attr` contains no item named `stable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(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 `unstable`
[INFO] [stdout]    --> src/attr.rs:627:33
[INFO] [stdout]     |
[INFO] [stdout] 627 | /// Represents the #[stable], #[unstable] and #[rustc_deprecated] attributes.
[INFO] [stdout]     |                                 ^^^^^^^^ the module `attr` contains no item named `unstable`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `rustc_deprecated`
[INFO] [stdout]    --> src/attr.rs:627:49
[INFO] [stdout]     |
[INFO] [stdout] 627 | /// Represents the #[stable], #[unstable] and #[rustc_deprecated] attributes.
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ the module `attr` contains no item named `rustc_deprecated`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `feature`
[INFO] [stdout]    --> src/feature_gate.rs:61:20
[INFO] [stdout]     |
[INFO] [stdout] 61  |               /// #![feature] attrs for stable language features, for error reporting
[INFO] [stdout]     |                      ^^^^^^^ the module `feature_gate` contains no item named `feature`
[INFO] [stdout] ...
[INFO] [stdout] 112 | / declare_features! (
[INFO] [stdout] 113 | |     (active, asm, "1.0.0", Some(29722)),
[INFO] [stdout] 114 | |     (active, concat_idents, "1.0.0", Some(29599)),
[INFO] [stdout] 115 | |     (active, link_args, "1.0.0", Some(29596)),
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |     (active, abi_thiscall, "1.19.0", None),
[INFO] [stdout] 355 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `feature`
[INFO] [stdout]    --> src/feature_gate.rs:63:20
[INFO] [stdout]     |
[INFO] [stdout] 63  |               /// #![feature] attrs for non-language (library) features
[INFO] [stdout]     |                      ^^^^^^^ the module `feature_gate` contains no item named `feature`
[INFO] [stdout] ...
[INFO] [stdout] 112 | / declare_features! (
[INFO] [stdout] 113 | |     (active, asm, "1.0.0", Some(29722)),
[INFO] [stdout] 114 | |     (active, concat_idents, "1.0.0", Some(29599)),
[INFO] [stdout] 115 | |     (active, link_args, "1.0.0", Some(29596)),
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |     (active, abi_thiscall, "1.19.0", None),
[INFO] [stdout] 355 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `4`
[INFO] [stdout]     --> src/parse/parser.rs:2410:33
[INFO] [stdout]      |
[INFO] [stdout] 2410 |     /// parse a.b or a(13) or a[4] or just a
[INFO] [stdout]      |                                 ^ the module `parser` contains no item named `4`
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `foo`
[INFO] [stdout]    --> src/ext/base.rs:503:32
[INFO] [stdout]     |
[INFO] [stdout] 503 |     /// An attribute macro - #[foo]
[INFO] [stdout]     |                                ^^^ the module `base` contains no item named `foo`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.00s
[INFO] running `Command { std: "docker" "inspect" "8117b74cfdb8bfbc69cb09b534cb38bfc67c78596af1baf28b3aa682600ffc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8117b74cfdb8bfbc69cb09b534cb38bfc67c78596af1baf28b3aa682600ffc8b", kill_on_drop: false }`
[INFO] [stdout] 8117b74cfdb8bfbc69cb09b534cb38bfc67c78596af1baf28b3aa682600ffc8b
