[INFO] cloning repository https://github.com/jkcclemens/pack_combine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkcclemens/pack_combine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Fpack_combine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Fpack_combine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 997be3053a05529908cdf70b20241d2a574cb03b
[INFO] documenting jkcclemens/pack_combine 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%2Fjkcclemens%2Fpack_combine" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcclemens/pack_combine 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/jkcclemens/pack_combine
[INFO] finished tweaking git repo https://github.com/jkcclemens/pack_combine
[INFO] tweaked toml for git repo https://github.com/jkcclemens/pack_combine written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcclemens/pack_combine 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 84d0d2312819a11774469493b0c7d3c8179c30cece79314afbb9b3bf1b009fe9
[INFO] running `Command { std: "docker" "start" "-a" "84d0d2312819a11774469493b0c7d3c8179c30cece79314afbb9b3bf1b009fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d0d2312819a11774469493b0c7d3c8179c30cece79314afbb9b3bf1b009fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d0d2312819a11774469493b0c7d3c8179c30cece79314afbb9b3bf1b009fe9", kill_on_drop: false }`
[INFO] [stdout] 84d0d2312819a11774469493b0c7d3c8179c30cece79314afbb9b3bf1b009fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 0574f73315b3c07324e8969c2e41da654f67ffd2474948344238d62d303fba4f
[INFO] running `Command { std: "docker" "start" "-a" "0574f73315b3c07324e8969c2e41da654f67ffd2474948344238d62d303fba4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting pack_combine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.76s
[INFO] running `Command { std: "docker" "inspect" "0574f73315b3c07324e8969c2e41da654f67ffd2474948344238d62d303fba4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0574f73315b3c07324e8969c2e41da654f67ffd2474948344238d62d303fba4f", kill_on_drop: false }`
[INFO] [stdout] 0574f73315b3c07324e8969c2e41da654f67ffd2474948344238d62d303fba4f