[INFO] cloning repository https://github.com/jdroenner/engine_x
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdroenner/engine_x" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdroenner%2Fengine_x", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdroenner%2Fengine_x'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccad95c0dfdd7e7d4fab944c7169f23cd3b1c198
[INFO] documenting jdroenner/engine_x 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%2Fjdroenner%2Fengine_x" "/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/jdroenner/engine_x 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/jdroenner/engine_x
[INFO] finished tweaking git repo https://github.com/jdroenner/engine_x
[INFO] tweaked toml for git repo https://github.com/jdroenner/engine_x written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jdroenner/engine_x 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 typetag-impl v0.1.5
[INFO] [stderr]   Downloaded typetag v0.1.5
[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] 84701a85a5b48e343e371208d5f4763d83d56b48555ed02b6feaf830e09e96e7
[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" "84701a85a5b48e343e371208d5f4763d83d56b48555ed02b6feaf830e09e96e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84701a85a5b48e343e371208d5f4763d83d56b48555ed02b6feaf830e09e96e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84701a85a5b48e343e371208d5f4763d83d56b48555ed02b6feaf830e09e96e7", kill_on_drop: false }`
[INFO] [stdout] 84701a85a5b48e343e371208d5f4763d83d56b48555ed02b6feaf830e09e96e7
[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] [stdout] 464ba1859766cf27e0458d9d0385ac97c6b24c3146485b0e742036ce936af0ca
[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" "464ba1859766cf27e0458d9d0385ac97c6b24c3146485b0e742036ce936af0ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling inventory v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.7
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling typetag-impl v0.1.5
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking typetag v0.1.5
[INFO] [stderr]     Checking engine2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting engine2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.20s
[INFO] running `Command { std: "docker" "inspect" "464ba1859766cf27e0458d9d0385ac97c6b24c3146485b0e742036ce936af0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464ba1859766cf27e0458d9d0385ac97c6b24c3146485b0e742036ce936af0ca", kill_on_drop: false }`
[INFO] [stdout] 464ba1859766cf27e0458d9d0385ac97c6b24c3146485b0e742036ce936af0ca