[INFO] cloning repository https://github.com/skius/headlessmc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skius/headlessmc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fheadlessmc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fheadlessmc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 288869abbe27206703290460993d968ae8e37f6d
[INFO] documenting skius/headlessmc against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fheadlessmc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skius/headlessmc on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skius/headlessmc
[INFO] finished tweaking git repo https://github.com/skius/headlessmc
[INFO] tweaked toml for git repo https://github.com/skius/headlessmc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/skius/headlessmc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/skius/jsonparse`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protocol v3.1.7
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] [stderr]   Downloaded protocol-derive v3.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 033b8eccc3775f8867420bdb9911d79737407a40a2cc7c0fd5521d6938783a14
[INFO] running `Command { std: "docker" "start" "-a" "033b8eccc3775f8867420bdb9911d79737407a40a2cc7c0fd5521d6938783a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "033b8eccc3775f8867420bdb9911d79737407a40a2cc7c0fd5521d6938783a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033b8eccc3775f8867420bdb9911d79737407a40a2cc7c0fd5521d6938783a14", kill_on_drop: false }`
[INFO] [stdout] 033b8eccc3775f8867420bdb9911d79737407a40a2cc7c0fd5521d6938783a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 641935331b3b322f79164f2a519e2d00fd184403efb6ac351e6821df29ce328f
[INFO] running `Command { std: "docker" "start" "-a" "641935331b3b322f79164f2a519e2d00fd184403efb6ac351e6821df29ce328f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking jsonparse v0.1.0 (https://github.com/skius/jsonparse#069b9757)
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking protocol v3.1.7
[INFO] [stderr]    Compiling protocol-derive v3.1.7
[INFO] [stderr]  Documenting headlessmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.41s
[INFO] running `Command { std: "docker" "inspect" "641935331b3b322f79164f2a519e2d00fd184403efb6ac351e6821df29ce328f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641935331b3b322f79164f2a519e2d00fd184403efb6ac351e6821df29ce328f", kill_on_drop: false }`
[INFO] [stdout] 641935331b3b322f79164f2a519e2d00fd184403efb6ac351e6821df29ce328f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 460fbb775528f07f50cbe9b4ed7735b4351219a969500b85f5bba5d21dd66387
[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" "460fbb775528f07f50cbe9b4ed7735b4351219a969500b85f5bba5d21dd66387", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking jsonparse v0.1.0 (https://github.com/skius/jsonparse#069b9757)
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking protocol v3.1.7
[INFO] [stderr]    Compiling protocol-derive v3.1.7
[INFO] [stderr]  Documenting headlessmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.65s
[INFO] running `Command { std: "docker" "inspect" "460fbb775528f07f50cbe9b4ed7735b4351219a969500b85f5bba5d21dd66387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460fbb775528f07f50cbe9b4ed7735b4351219a969500b85f5bba5d21dd66387", kill_on_drop: false }`
[INFO] [stdout] 460fbb775528f07f50cbe9b4ed7735b4351219a969500b85f5bba5d21dd66387