[INFO] fetching crate garando_pos 0.1.0...
[INFO] documenting garando_pos-0.1.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate garando_pos 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate garando_pos 0.1.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate garando_pos 0.1.0
[INFO] finished tweaking crates.io crate garando_pos 0.1.0
[INFO] tweaked toml for crates.io crate garando_pos 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", 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] ed25f118be7ddc0dcc414b723a915b57d0e6bb4b1d5b47d4e106c81717c8a235
[INFO] running `Command { std: "docker" "start" "-a" "ed25f118be7ddc0dcc414b723a915b57d0e6bb4b1d5b47d4e106c81717c8a235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed25f118be7ddc0dcc414b723a915b57d0e6bb4b1d5b47d4e106c81717c8a235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed25f118be7ddc0dcc414b723a915b57d0e6bb4b1d5b47d4e106c81717c8a235", kill_on_drop: false }`
[INFO] [stdout] ed25f118be7ddc0dcc414b723a915b57d0e6bb4b1d5b47d4e106c81717c8a235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 10e7b1ebf48194e0a1e8769a1cf42f5f66472bce052963eb3be35adc39ee3bef
[INFO] running `Command { std: "docker" "start" "-a" "10e7b1ebf48194e0a1e8769a1cf42f5f66472bce052963eb3be35adc39ee3bef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]  Documenting garando_pos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/hygiene.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Machinery for hygienic macros, inspired by the MTWT[1] paper.
[INFO] [stdout]   |                                                         ^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(intra_doc_link_resolution_failure)]` implied by `#[deny(warnings)]`
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/hygiene.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! [1] Matthew Flatt, Ryan Culpepper, David Darais, and Robert Bruce Findler.
[INFO] [stdout]   |      ^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[unstable]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/hygiene.rs:274:47
[INFO] [stdout]     |
[INFO] [stdout] 274 |     /// Whether the macro is allowed to use #[unstable]/feature-gated
[INFO] [stdout]     |                                               ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[unstable]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:135:61
[INFO] [stdout]     |
[INFO] [stdout] 135 |     /// Check if a span is "internal" to a macro in which #[unstable]
[INFO] [stdout]     |                                                             ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `garando_pos`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name garando_pos src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-611be6fc944fb4f4.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "10e7b1ebf48194e0a1e8769a1cf42f5f66472bce052963eb3be35adc39ee3bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e7b1ebf48194e0a1e8769a1cf42f5f66472bce052963eb3be35adc39ee3bef", kill_on_drop: false }`
[INFO] [stdout] 10e7b1ebf48194e0a1e8769a1cf42f5f66472bce052963eb3be35adc39ee3bef