[INFO] cloning repository https://github.com/nccgroup/dirble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nccgroup/dirble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnccgroup%2Fdirble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnccgroup%2Fdirble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab2a3a0baeab97fc95d5a6a15534ac3f24bc48cc
[INFO] documenting nccgroup/dirble 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%2Fnccgroup%2Fdirble" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nccgroup/dirble 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/nccgroup/dirble
[INFO] finished tweaking git repo https://github.com/nccgroup/dirble
[INFO] tweaked toml for git repo https://github.com/nccgroup/dirble written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nccgroup/dirble 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 vergen v3.1.0
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded simplelog v0.8.0
[INFO] [stderr]   Downloaded ctrlc v3.1.5
[INFO] [stderr]   Downloaded serde_test v1.0.114
[INFO] [stderr]   Downloaded chardet v0.2.4
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded select v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f3d34dd5376c1b5724c602594f346bf6510a75ba777a4aab7425c6d407d046b
[INFO] running `Command { std: "docker" "start" "-a" "7f3d34dd5376c1b5724c602594f346bf6510a75ba777a4aab7425c6d407d046b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f3d34dd5376c1b5724c602594f346bf6510a75ba777a4aab7425c6d407d046b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3d34dd5376c1b5724c602594f346bf6510a75ba777a4aab7425c6d407d046b", kill_on_drop: false }`
[INFO] [stdout] 7f3d34dd5376c1b5724c602594f346bf6510a75ba777a4aab7425c6d407d046b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 715bad6c5ebd3820a978bbe9e0a21804cbcce90012cacc03bf6c57ae077fcf35
[INFO] running `Command { std: "docker" "start" "-a" "715bad6c5ebd3820a978bbe9e0a21804cbcce90012cacc03bf6c57ae077fcf35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling curl v0.4.30
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking simple_xml_serialize v0.2.3
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling dirble v1.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ctrlc v3.1.5
[INFO] [stderr]    Compiling simple_xml_serialize_macro v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_test v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]  Documenting dirble v1.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "715bad6c5ebd3820a978bbe9e0a21804cbcce90012cacc03bf6c57ae077fcf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715bad6c5ebd3820a978bbe9e0a21804cbcce90012cacc03bf6c57ae077fcf35", kill_on_drop: false }`
[INFO] [stdout] 715bad6c5ebd3820a978bbe9e0a21804cbcce90012cacc03bf6c57ae077fcf35