[INFO] cloning repository https://github.com/waelbendhia/rust-project-euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waelbendhia/rust-project-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaelbendhia%2Frust-project-euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaelbendhia%2Frust-project-euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c12fb50b32855629725824b6e118f6601072429
[INFO] documenting waelbendhia/rust-project-euler 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%2Fwaelbendhia%2Frust-project-euler" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/waelbendhia/rust-project-euler 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/waelbendhia/rust-project-euler
[INFO] finished tweaking git repo https://github.com/waelbendhia/rust-project-euler
[INFO] tweaked toml for git repo https://github.com/waelbendhia/rust-project-euler written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/waelbendhia/rust-project-euler 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 primal-sieve v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] adc9b2b52a78f51f2b3af59f5e3a0a90c1efabd6cf9700196f26d661a9a4f10e
[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" "adc9b2b52a78f51f2b3af59f5e3a0a90c1efabd6cf9700196f26d661a9a4f10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc9b2b52a78f51f2b3af59f5e3a0a90c1efabd6cf9700196f26d661a9a4f10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc9b2b52a78f51f2b3af59f5e3a0a90c1efabd6cf9700196f26d661a9a4f10e", kill_on_drop: false }`
[INFO] [stdout] adc9b2b52a78f51f2b3af59f5e3a0a90c1efabd6cf9700196f26d661a9a4f10e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 927322ca6b232f172de82449937145ab3df5490bbd15f750e314076ed2b1c6af
[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" "927322ca6b232f172de82449937145ab3df5490bbd15f750e314076ed2b1c6af", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal-sieve v0.2.8
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]  Documenting rust-project-euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "927322ca6b232f172de82449937145ab3df5490bbd15f750e314076ed2b1c6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927322ca6b232f172de82449937145ab3df5490bbd15f750e314076ed2b1c6af", kill_on_drop: false }`
[INFO] [stdout] 927322ca6b232f172de82449937145ab3df5490bbd15f750e314076ed2b1c6af