[INFO] fetching crate cppbuild 0.1.1...
[INFO] documenting cppbuild-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cppbuild 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cppbuild 0.1.1 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 cppbuild 0.1.1
[INFO] finished tweaking crates.io crate cppbuild 0.1.1
[INFO] tweaked toml for crates.io crate cppbuild 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cppbuild 0.1.1 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded clang v0.23.0
[INFO] [stderr]   Downloaded filetime v0.2.9
[INFO] [stderr]   Downloaded rust_info v0.3.0
[INFO] [stderr]   Downloaded tokio v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5f6045e12ced16b9f1bd66c054b37925103c41e7e888b268cb7cd72c74c2bd52
[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" "5f6045e12ced16b9f1bd66c054b37925103c41e7e888b268cb7cd72c74c2bd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6045e12ced16b9f1bd66c054b37925103c41e7e888b268cb7cd72c74c2bd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6045e12ced16b9f1bd66c054b37925103c41e7e888b268cb7cd72c74c2bd52", kill_on_drop: false }`
[INFO] [stdout] 5f6045e12ced16b9f1bd66c054b37925103c41e7e888b268cb7cd72c74c2bd52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 70b117ecae47e2dad8e3a5703f87b4c3cc17cca5e196954d2d507f400cdcd4c0
[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" "70b117ecae47e2dad8e3a5703f87b4c3cc17cca5e196954d2d507f400cdcd4c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking whoami v0.8.1
[INFO] [stderr]     Checking pkg-config v0.3.17
[INFO] [stderr]     Checking rust_info v0.3.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking tokio v0.2.17
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking libflate v1.0.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking clang v0.23.0
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting cppbuild v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.65s
[INFO] running `Command { std: "docker" "inspect" "70b117ecae47e2dad8e3a5703f87b4c3cc17cca5e196954d2d507f400cdcd4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b117ecae47e2dad8e3a5703f87b4c3cc17cca5e196954d2d507f400cdcd4c0", kill_on_drop: false }`
[INFO] [stdout] 70b117ecae47e2dad8e3a5703f87b4c3cc17cca5e196954d2d507f400cdcd4c0