[INFO] cloning repository https://github.com/pleshevskiy/rustworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pleshevskiy/rustworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleshevskiy%2Frustworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleshevskiy%2Frustworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37dfaab0e7176f4205ccd6897bf5a819056e19e1
[INFO] documenting pleshevskiy/rustworld against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleshevskiy%2Frustworld" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pleshevskiy/rustworld on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pleshevskiy/rustworld
[INFO] finished tweaking git repo https://github.com/pleshevskiy/rustworld
[INFO] tweaked toml for git repo https://github.com/pleshevskiy/rustworld written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/pleshevskiy/rustworld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-08-29" "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] 7f5faef48ae4177d57104dd528b3f25e7d09e48aa8acce23a31ddee36d4ea41a
[INFO] running `Command { std: "docker" "start" "-a" "7f5faef48ae4177d57104dd528b3f25e7d09e48aa8acce23a31ddee36d4ea41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f5faef48ae4177d57104dd528b3f25e7d09e48aa8acce23a31ddee36d4ea41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5faef48ae4177d57104dd528b3f25e7d09e48aa8acce23a31ddee36d4ea41a", kill_on_drop: false }`
[INFO] [stdout] 7f5faef48ae4177d57104dd528b3f25e7d09e48aa8acce23a31ddee36d4ea41a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aa6bfdaddfb7d2d44d86d500eac7c13f7cf59741c5bbce269d01746703fc2e4
[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" "2aa6bfdaddfb7d2d44d86d500eac7c13f7cf59741c5bbce269d01746703fc2e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]  Documenting rustworld v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `Command { std: "docker" "inspect" "2aa6bfdaddfb7d2d44d86d500eac7c13f7cf59741c5bbce269d01746703fc2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa6bfdaddfb7d2d44d86d500eac7c13f7cf59741c5bbce269d01746703fc2e4", kill_on_drop: false }`
[INFO] [stdout] 2aa6bfdaddfb7d2d44d86d500eac7c13f7cf59741c5bbce269d01746703fc2e4