[INFO] cloning repository https://github.com/milosophy/learning-rust-nekinci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milosophy/learning-rust-nekinci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilosophy%2Flearning-rust-nekinci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilosophy%2Flearning-rust-nekinci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05896cca384d6eccfb0867d982f8aff0b467df1a
[INFO] documenting milosophy/learning-rust-nekinci 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%2Fmilosophy%2Flearning-rust-nekinci" "/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/milosophy/learning-rust-nekinci 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/milosophy/learning-rust-nekinci
[INFO] finished tweaking git repo https://github.com/milosophy/learning-rust-nekinci
[INFO] tweaked toml for git repo https://github.com/milosophy/learning-rust-nekinci written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/milosophy/learning-rust-nekinci 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-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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c226ff13b57dd71ff0c3f1d479d79d03879a38162b75e7d7b56f32f612d833
[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" "f6c226ff13b57dd71ff0c3f1d479d79d03879a38162b75e7d7b56f32f612d833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c226ff13b57dd71ff0c3f1d479d79d03879a38162b75e7d7b56f32f612d833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c226ff13b57dd71ff0c3f1d479d79d03879a38162b75e7d7b56f32f612d833", kill_on_drop: false }`
[INFO] [stdout] f6c226ff13b57dd71ff0c3f1d479d79d03879a38162b75e7d7b56f32f612d833
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 67c2b66fd6a518e85c4754ff337fe00b5d519513dd610e011328fcfbdd1e88ed
[INFO] running `Command { std: "docker" "start" "-a" "67c2b66fd6a518e85c4754ff337fe00b5d519513dd610e011328fcfbdd1e88ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]  Documenting learning_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "67c2b66fd6a518e85c4754ff337fe00b5d519513dd610e011328fcfbdd1e88ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c2b66fd6a518e85c4754ff337fe00b5d519513dd610e011328fcfbdd1e88ed", kill_on_drop: false }`
[INFO] [stdout] 67c2b66fd6a518e85c4754ff337fe00b5d519513dd610e011328fcfbdd1e88ed