[INFO] cloning repository https://github.com/parallel-programming-hwr/rust-primes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parallel-programming-hwr/rust-primes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparallel-programming-hwr%2Frust-primes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparallel-programming-hwr%2Frust-primes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9da044cf191ba16c76b8395ecbd7ead6f38fa613
[INFO] documenting parallel-programming-hwr/rust-primes 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%2Fparallel-programming-hwr%2Frust-primes" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parallel-programming-hwr/rust-primes 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/parallel-programming-hwr/rust-primes
[INFO] finished tweaking git repo https://github.com/parallel-programming-hwr/rust-primes
[INFO] tweaked toml for git repo https://github.com/parallel-programming-hwr/rust-primes written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/parallel-programming-hwr/rust-primes 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded may v0.3.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 85d5bf5c2fc0067383b3d6a4c8fec2b126ee949d1ed7de682e55943e541d2d49
[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" "85d5bf5c2fc0067383b3d6a4c8fec2b126ee949d1ed7de682e55943e541d2d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d5bf5c2fc0067383b3d6a4c8fec2b126ee949d1ed7de682e55943e541d2d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d5bf5c2fc0067383b3d6a4c8fec2b126ee949d1ed7de682e55943e541d2d49", kill_on_drop: false }`
[INFO] [stdout] 85d5bf5c2fc0067383b3d6a4c8fec2b126ee949d1ed7de682e55943e541d2d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 070c9f28c10835372e26b21f564e3262b2b43de00c275c05768359f0aca41e3f
[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" "070c9f28c10835372e26b21f564e3262b2b43de00c275c05768359f0aca41e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling may_queue v0.1.7
[INFO] [stderr]    Compiling generator v0.6.19
[INFO] [stderr]    Compiling may v0.3.15
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]  Documenting primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.91s
[INFO] running `Command { std: "docker" "inspect" "070c9f28c10835372e26b21f564e3262b2b43de00c275c05768359f0aca41e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070c9f28c10835372e26b21f564e3262b2b43de00c275c05768359f0aca41e3f", kill_on_drop: false }`
[INFO] [stdout] 070c9f28c10835372e26b21f564e3262b2b43de00c275c05768359f0aca41e3f