[INFO] cloning repository https://github.com/dflemstr/sparkey-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dflemstr/sparkey-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fsparkey-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fsparkey-diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4359962e29d94799e467954ea28ff41b0868796a
[INFO] documenting dflemstr/sparkey-diff 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%2Fdflemstr%2Fsparkey-diff" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dflemstr/sparkey-diff 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/dflemstr/sparkey-diff
[INFO] finished tweaking git repo https://github.com/dflemstr/sparkey-diff
[INFO] tweaked toml for git repo https://github.com/dflemstr/sparkey-diff written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/dflemstr/sparkey-diff 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]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.39
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded error-chain v0.7.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] [stderr]   Downloaded num_cpus v1.2.0
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded jobsteal v0.5.1
[INFO] [stderr]   Downloaded protobuf v1.0.24
[INFO] [stderr]   Downloaded vcdiff v0.1.0
[INFO] [stderr]   Downloaded sparkey v0.1.0
[INFO] [stderr]   Downloaded docopt_macros v0.6.87
[INFO] [stderr]   Downloaded sparkey-sys v0.1.1
[INFO] [stderr]   Downloaded open-vcdiff-sys v0.1.0
[INFO] [stderr]   Downloaded pbr v1.0.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 786fcdb92046ac776689bd7053cf4654bd53dade5597ec3900b894a52c634640
[INFO] running `Command { std: "docker" "start" "-a" "786fcdb92046ac776689bd7053cf4654bd53dade5597ec3900b894a52c634640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "786fcdb92046ac776689bd7053cf4654bd53dade5597ec3900b894a52c634640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786fcdb92046ac776689bd7053cf4654bd53dade5597ec3900b894a52c634640", kill_on_drop: false }`
[INFO] [stdout] 786fcdb92046ac776689bd7053cf4654bd53dade5597ec3900b894a52c634640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] db2f17f52f87caa25145fa687f1c0f1472d323ecb433adc151adeed1c3c2cdd7
[INFO] running `Command { std: "docker" "start" "-a" "db2f17f52f87caa25145fa687f1c0f1472d323ecb433adc151adeed1c3c2cdd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "db2f17f52f87caa25145fa687f1c0f1472d323ecb433adc151adeed1c3c2cdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2f17f52f87caa25145fa687f1c0f1472d323ecb433adc151adeed1c3c2cdd7", kill_on_drop: false }`
[INFO] [stdout] db2f17f52f87caa25145fa687f1c0f1472d323ecb433adc151adeed1c3c2cdd7