[INFO] cloning repository https://github.com/9names/jlink-rtt-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9names/jlink-rtt-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Fjlink-rtt-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Fjlink-rtt-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3434309cec0154ab84dc47d7148e937b5dbf2552
[INFO] documenting 9names/jlink-rtt-client against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Fjlink-rtt-client" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/9names/jlink-rtt-client on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/9names/jlink-rtt-client
[INFO] finished tweaking git repo https://github.com/9names/jlink-rtt-client
[INFO] tweaked toml for git repo https://github.com/9names/jlink-rtt-client written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/9names/jlink-rtt-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0ee2d1c7b1104e7c5543c4746d87fe01552d0ca9ff5bae0e9154db0d9085e9e
[INFO] running `Command { std: "docker" "start" "-a" "d0ee2d1c7b1104e7c5543c4746d87fe01552d0ca9ff5bae0e9154db0d9085e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ee2d1c7b1104e7c5543c4746d87fe01552d0ca9ff5bae0e9154db0d9085e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ee2d1c7b1104e7c5543c4746d87fe01552d0ca9ff5bae0e9154db0d9085e9e", kill_on_drop: false }`
[INFO] [stdout] d0ee2d1c7b1104e7c5543c4746d87fe01552d0ca9ff5bae0e9154db0d9085e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds