[INFO] cloning repository https://github.com/brudnak/rust_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brudnak/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrudnak%2Frust_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrudnak%2Frust_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dede50dd729575c4d38db895146dbb451973e9ae
[INFO] documenting brudnak/rust_sandbox 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%2Fbrudnak%2Frust_sandbox" "/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/brudnak/rust_sandbox 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/brudnak/rust_sandbox
[INFO] finished tweaking git repo https://github.com/brudnak/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/brudnak/rust_sandbox written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/brudnak/rust_sandbox 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-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] f1645ec8353e3e9482dea0470b36e7d2f14ee94689fa722ad1e4d5a66d6a2da7
[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" "f1645ec8353e3e9482dea0470b36e7d2f14ee94689fa722ad1e4d5a66d6a2da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1645ec8353e3e9482dea0470b36e7d2f14ee94689fa722ad1e4d5a66d6a2da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1645ec8353e3e9482dea0470b36e7d2f14ee94689fa722ad1e4d5a66d6a2da7", kill_on_drop: false }`
[INFO] [stdout] f1645ec8353e3e9482dea0470b36e7d2f14ee94689fa722ad1e4d5a66d6a2da7
[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] 2b80b1890a21c84e62ef5c14dab2605c05a9bef31aac0814603982ba30ddd268
[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" "2b80b1890a21c84e62ef5c14dab2605c05a9bef31aac0814603982ba30ddd268", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "2b80b1890a21c84e62ef5c14dab2605c05a9bef31aac0814603982ba30ddd268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b80b1890a21c84e62ef5c14dab2605c05a9bef31aac0814603982ba30ddd268", kill_on_drop: false }`
[INFO] [stdout] 2b80b1890a21c84e62ef5c14dab2605c05a9bef31aac0814603982ba30ddd268