[INFO] cloning repository https://github.com/jeffrey-xiao/kademlia-dht-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffrey-xiao/kademlia-dht-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffrey-xiao%2Fkademlia-dht-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffrey-xiao%2Fkademlia-dht-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b233696cecb4555f0ab47e65e0bfbc306e66336
[INFO] documenting jeffrey-xiao/kademlia-dht-rs 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%2Fjeffrey-xiao%2Fkademlia-dht-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffrey-xiao/kademlia-dht-rs 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/jeffrey-xiao/kademlia-dht-rs
[INFO] finished tweaking git repo https://github.com/jeffrey-xiao/kademlia-dht-rs
[INFO] tweaked toml for git repo https://github.com/jeffrey-xiao/kademlia-dht-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d9b1a15968a5daa19086a14cb160072d2068a4a6213142397c81de81b591a0a
[INFO] running `Command { std: "docker" "start" "-a" "6d9b1a15968a5daa19086a14cb160072d2068a4a6213142397c81de81b591a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d9b1a15968a5daa19086a14cb160072d2068a4a6213142397c81de81b591a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9b1a15968a5daa19086a14cb160072d2068a4a6213142397c81de81b591a0a", kill_on_drop: false }`
[INFO] [stdout] 6d9b1a15968a5daa19086a14cb160072d2068a4a6213142397c81de81b591a0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 39bf9d31a6cf7da7e2f360d3721515b414f03157102318e94d56facaa16e964a
[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" "39bf9d31a6cf7da7e2f360d3721515b414f03157102318e94d56facaa16e964a", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking sha3 v0.7.3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]  Documenting kademlia-dht v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "39bf9d31a6cf7da7e2f360d3721515b414f03157102318e94d56facaa16e964a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bf9d31a6cf7da7e2f360d3721515b414f03157102318e94d56facaa16e964a", kill_on_drop: false }`
[INFO] [stdout] 39bf9d31a6cf7da7e2f360d3721515b414f03157102318e94d56facaa16e964a