[INFO] fetching crate ostn02_phf 0.1.13...
[INFO] documenting ostn02_phf-0.1.13 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate ostn02_phf 0.1.13 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ostn02_phf 0.1.13 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ostn02_phf 0.1.13
[INFO] finished tweaking crates.io crate ostn02_phf 0.1.13
[INFO] tweaked toml for crates.io crate ostn02_phf 0.1.13 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1bddf647044fd029a016853293c381c6d9e49750b6032d0c4a31818d7731941
[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" "c1bddf647044fd029a016853293c381c6d9e49750b6032d0c4a31818d7731941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1bddf647044fd029a016853293c381c6d9e49750b6032d0c4a31818d7731941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1bddf647044fd029a016853293c381c6d9e49750b6032d0c4a31818d7731941", kill_on_drop: false }`
[INFO] [stdout] c1bddf647044fd029a016853293c381c6d9e49750b6032d0c4a31818d7731941
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51dd0dfa421d7243202ed8fe2bae711ef7748ff294055f4fe11e91ab6d1b6c6b
[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" "51dd0dfa421d7243202ed8fe2bae711ef7748ff294055f4fe11e91ab6d1b6c6b", kill_on_drop: false }`
[INFO] [stderr]  Documenting ostn02_phf v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `ostn02_phf`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type rlib --crate-type dylib --crate-name ostn02_phf 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 libc=/opt/rustwide/target/debug/deps/liblibc-1ad3ad1e20beb97f.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-5a31fe42346d637a.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "51dd0dfa421d7243202ed8fe2bae711ef7748ff294055f4fe11e91ab6d1b6c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dd0dfa421d7243202ed8fe2bae711ef7748ff294055f4fe11e91ab6d1b6c6b", kill_on_drop: false }`
[INFO] [stdout] 51dd0dfa421d7243202ed8fe2bae711ef7748ff294055f4fe11e91ab6d1b6c6b