[INFO] cloning repository https://github.com/balena-io-playground/parallel-disk-duplicator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/balena-io-playground/parallel-disk-duplicator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fparallel-disk-duplicator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fparallel-disk-duplicator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 384eb5660a348672de7fe1434a4a8b1e88db1468
[INFO] documenting balena-io-playground/parallel-disk-duplicator against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fparallel-disk-duplicator" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/balena-io-playground/parallel-disk-duplicator on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/balena-io-playground/parallel-disk-duplicator
[INFO] finished tweaking git repo https://github.com/balena-io-playground/parallel-disk-duplicator
[INFO] tweaked toml for git repo https://github.com/balena-io-playground/parallel-disk-duplicator written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/balena-io-playground/parallel-disk-duplicator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 842f887e60967fe0bd11b30c86e1fa43074a9ddb0fd0b1bf2936e513d7d75c51
[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" "842f887e60967fe0bd11b30c86e1fa43074a9ddb0fd0b1bf2936e513d7d75c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "842f887e60967fe0bd11b30c86e1fa43074a9ddb0fd0b1bf2936e513d7d75c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842f887e60967fe0bd11b30c86e1fa43074a9ddb0fd0b1bf2936e513d7d75c51", kill_on_drop: false }`
[INFO] [stdout] 842f887e60967fe0bd11b30c86e1fa43074a9ddb0fd0b1bf2936e513d7d75c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db65f39900a6906103f2a76e3cde260897a8b73c5692f04a2b26fb9d34326cb3
[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" "db65f39900a6906103f2a76e3cde260897a8b73c5692f04a2b26fb9d34326cb3", kill_on_drop: false }`
[INFO] [stderr]  Documenting pdd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "db65f39900a6906103f2a76e3cde260897a8b73c5692f04a2b26fb9d34326cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db65f39900a6906103f2a76e3cde260897a8b73c5692f04a2b26fb9d34326cb3", kill_on_drop: false }`
[INFO] [stdout] db65f39900a6906103f2a76e3cde260897a8b73c5692f04a2b26fb9d34326cb3