[INFO] fetching crate ocaml-boxroot-sys 0.2.0...
[INFO] documenting ocaml-boxroot-sys-0.2.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate ocaml-boxroot-sys 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ocaml-boxroot-sys 0.2.0 on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ocaml-boxroot-sys 0.2.0
[INFO] finished tweaking crates.io crate ocaml-boxroot-sys 0.2.0
[INFO] tweaked toml for crates.io crate ocaml-boxroot-sys 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024b769deee874186ac0824b35287da6e13526aca7521ff9040029001d852121
[INFO] running `Command { std: "docker" "start" "-a" "024b769deee874186ac0824b35287da6e13526aca7521ff9040029001d852121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024b769deee874186ac0824b35287da6e13526aca7521ff9040029001d852121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024b769deee874186ac0824b35287da6e13526aca7521ff9040029001d852121", kill_on_drop: false }`
[INFO] [stdout] 024b769deee874186ac0824b35287da6e13526aca7521ff9040029001d852121
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] f80f318c7ff5459e3c27be274db92ba8c0b727bac476e58f51ab0b0b88fa1388
[INFO] running `Command { std: "docker" "start" "-a" "f80f318c7ff5459e3c27be274db92ba8c0b727bac476e58f51ab0b0b88fa1388", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling ocaml-boxroot-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping ocaml-boxroot-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ocaml-boxroot-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "f80f318c7ff5459e3c27be274db92ba8c0b727bac476e58f51ab0b0b88fa1388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80f318c7ff5459e3c27be274db92ba8c0b727bac476e58f51ab0b0b88fa1388", kill_on_drop: false }`
[INFO] [stdout] f80f318c7ff5459e3c27be274db92ba8c0b727bac476e58f51ab0b0b88fa1388
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "without-ocamlopt" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 499e6d559358f250167ba74138e7d626ec458e0b2d63b8708b9669f439a07fb9
[INFO] running `Command { std: "docker" "start" "-a" "499e6d559358f250167ba74138e7d626ec458e0b2d63b8708b9669f439a07fb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ocaml-boxroot-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: vendor/boxroot/boxroot.c: In function 'pool_remove':
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:360:31: warning: unused variable 'cl' [-Wunused-variable]
[INFO] [stderr] warning:   360 |   FOREACH_GLOBAL_RING(global, cl, {
[INFO] [stderr] warning:       |                               ^~
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:164:13: note: in definition of macro 'FOREACH_GLOBAL_RING'
[INFO] [stderr] warning:   164 |       class cl = global_ring_classes[b__i - b__st];                     \
[INFO] [stderr] warning:       |             ^~
[INFO] [stderr] warning: vendor/boxroot/boxroot.c: In function 'free_all_chunks':
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:375:31: warning: unused variable 'cl' [-Wunused-variable]
[INFO] [stderr] warning:   375 |   FOREACH_GLOBAL_RING(global, cl, { *global = NULL; });
[INFO] [stderr] warning:       |                               ^~
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:164:13: note: in definition of macro 'FOREACH_GLOBAL_RING'
[INFO] [stderr] warning:   164 |       class cl = global_ring_classes[b__i - b__st];                     \
[INFO] [stderr] warning:       |             ^~
[INFO] [stderr] warning: vendor/boxroot/boxroot.c: In function 'promotion_occupancy':
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:521:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:   521 |   if (threshold <= LOW_COUNT_THRESHOLD) return LOW;
[INFO] [stderr] warning:       |                 ^~
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:522:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:   522 |   if (threshold <= HIGH_COUNT_THRESHOLD) return HIGH;
[INFO] [stderr] warning:       |                 ^~
[INFO] [stderr] warning: vendor/boxroot/boxroot.c: In function 'pool_reclassify':
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:544:3: warning: enumeration value 'NO_CHANGE' not handled in switch [-Wswitch]
[INFO] [stderr] warning:   544 |   switch (occ) {
[INFO] [stderr] warning:       |   ^~~~~~
[INFO] [stderr] warning: vendor/boxroot/boxroot.c: In function 'boxroot_setup':
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:1043:31: warning: unused variable 'cl' [-Wunused-variable]
[INFO] [stderr] warning:  1043 |   FOREACH_GLOBAL_RING(global, cl, { *global = NULL; });
[INFO] [stderr] warning:       |                               ^~
[INFO] [stderr] warning: vendor/boxroot/boxroot.c:164:13: note: in definition of macro 'FOREACH_GLOBAL_RING'
[INFO] [stderr] warning:   164 |       class cl = global_ring_classes[b__i - b__st];                     \
[INFO] [stderr] warning:       |             ^~
[INFO] [stderr]     Scraping ocaml-boxroot-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ocaml-boxroot-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "499e6d559358f250167ba74138e7d626ec458e0b2d63b8708b9669f439a07fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499e6d559358f250167ba74138e7d626ec458e0b2d63b8708b9669f439a07fb9", kill_on_drop: false }`
[INFO] [stdout] 499e6d559358f250167ba74138e7d626ec458e0b2d63b8708b9669f439a07fb9