[INFO] fetching crate tree-sitter 0.16.1...
[INFO] documenting tree-sitter-0.16.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tree-sitter 0.16.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tree-sitter 0.16.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree-sitter 0.16.1
[INFO] finished tweaking crates.io crate tree-sitter 0.16.1
[INFO] tweaked toml for crates.io crate tree-sitter 0.16.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b204e978102b7efc9cb52c1bb0dfed1cad386e215cb76f5414e50acc54635d60
[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" "b204e978102b7efc9cb52c1bb0dfed1cad386e215cb76f5414e50acc54635d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b204e978102b7efc9cb52c1bb0dfed1cad386e215cb76f5414e50acc54635d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b204e978102b7efc9cb52c1bb0dfed1cad386e215cb76f5414e50acc54635d60", kill_on_drop: false }`
[INFO] [stdout] b204e978102b7efc9cb52c1bb0dfed1cad386e215cb76f5414e50acc54635d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eee514c8df1348d5609f743fd3c29a6d9d40af50687ca12f1ae8fc0f9759a3c
[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" "8eee514c8df1348d5609f743fd3c29a6d9d40af50687ca12f1ae8fc0f9759a3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-sitter v0.16.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: In file included from src/././././subtree.h:12,
[INFO] [stderr] warning:                  from src/./././tree_cursor.h:4,
[INFO] [stderr] warning:                  from src/././get_changed_ranges.h:8,
[INFO] [stderr] warning:                  from src/./get_changed_ranges.c:1,
[INFO] [stderr] warning:                  from src/lib.c:8:
[INFO] [stderr] warning: src/./query.c: In function 'ts_query__parse_pattern':
[INFO] [stderr] warning: src/./././././array.h:64:42: warning: value computed is not used [-Wunused-value]
[INFO] [stderr] warning:    64 | #define array_pop(self) ((self)->contents[--(self)->size])
[INFO] [stderr] warning:       |                         ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/./query.c:755:5: note: in expansion of macro 'array_pop'
[INFO] [stderr] warning:   755 |     array_pop(&self->steps);
[INFO] [stderr] warning:       |     ^~~~~~~~~
[INFO] [stderr]  Documenting tree-sitter v0.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "8eee514c8df1348d5609f743fd3c29a6d9d40af50687ca12f1ae8fc0f9759a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eee514c8df1348d5609f743fd3c29a6d9d40af50687ca12f1ae8fc0f9759a3c", kill_on_drop: false }`
[INFO] [stdout] 8eee514c8df1348d5609f743fd3c29a6d9d40af50687ca12f1ae8fc0f9759a3c