[INFO] fetching crate libc 0.2.98...
[INFO] documenting libc-0.2.98 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate libc 0.2.98 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libc 0.2.98 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libc 0.2.98
[INFO] finished tweaking crates.io crate libc 0.2.98
[INFO] tweaked toml for crates.io crate libc 0.2.98 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 45d07f720a6c2ccdb6e96f64dd5fd49d88d33b13c41349e3bb29c1813ad4f35c
[INFO] running `Command { std: "docker" "start" "-a" "45d07f720a6c2ccdb6e96f64dd5fd49d88d33b13c41349e3bb29c1813ad4f35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45d07f720a6c2ccdb6e96f64dd5fd49d88d33b13c41349e3bb29c1813ad4f35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d07f720a6c2ccdb6e96f64dd5fd49d88d33b13c41349e3bb29c1813ad4f35c", kill_on_drop: false }`
[INFO] [stdout] 45d07f720a6c2ccdb6e96f64dd5fd49d88d33b13c41349e3bb29c1813ad4f35c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74eab5ce07074222d3f48f085b2ad6011e8eb0318c8a71c25bb726fd081b8fb5
[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" "74eab5ce07074222d3f48f085b2ad6011e8eb0318c8a71c25bb726fd081b8fb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting libc v0.2.98 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "74eab5ce07074222d3f48f085b2ad6011e8eb0318c8a71c25bb726fd081b8fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74eab5ce07074222d3f48f085b2ad6011e8eb0318c8a71c25bb726fd081b8fb5", kill_on_drop: false }`
[INFO] [stdout] 74eab5ce07074222d3f48f085b2ad6011e8eb0318c8a71c25bb726fd081b8fb5
