[INFO] cloning repository https://github.com/EmbarkStudios/cargo-about
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EmbarkStudios/cargo-about" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbarkStudios%2Fcargo-about", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbarkStudios%2Fcargo-about'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3c100473ff7d5284f9718cf802fdddd0c0a57af
[INFO] documenting EmbarkStudios/cargo-about 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%2FEmbarkStudios%2Fcargo-about" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EmbarkStudios/cargo-about 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/EmbarkStudios/cargo-about
[INFO] finished tweaking git repo https://github.com/EmbarkStudios/cargo-about
[INFO] tweaked toml for git repo https://github.com/EmbarkStudios/cargo-about written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/EmbarkStudios/cargo-about 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]   Downloaded askalono v0.4.2
[INFO] [stderr]   Downloaded rpmalloc-sys v0.2.0+c4d2c05
[INFO] [stderr]   Downloaded cargo_metadata v0.10.0
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] [stderr]   Downloaded cfg-expr v0.4.1
[INFO] [stderr]   Downloaded handlebars v3.2.1
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]   Downloaded spdx v0.3.4
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]   Downloaded rpmalloc v0.2.0
[INFO] [stderr]   Downloaded krates v0.3.0
[INFO] [stderr]   Downloaded license v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 64f898063c3f196323f88c041fc8ad4bbe4d3ce3a8b9a092bf5d12283ecfffa0
[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" "64f898063c3f196323f88c041fc8ad4bbe4d3ce3a8b9a092bf5d12283ecfffa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64f898063c3f196323f88c041fc8ad4bbe4d3ce3a8b9a092bf5d12283ecfffa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f898063c3f196323f88c041fc8ad4bbe4d3ce3a8b9a092bf5d12283ecfffa0", kill_on_drop: false }`
[INFO] [stdout] 64f898063c3f196323f88c041fc8ad4bbe4d3ce3a8b9a092bf5d12283ecfffa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7f2abb7d03aaf03c7b6c3b5eba91a82de52903f466f07818dc2c01af2b032d03
[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" "7f2abb7d03aaf03c7b6c3b5eba91a82de52903f466f07818dc2c01af2b032d03", kill_on_drop: false }`
[INFO] [stderr]     Checking license v1.1.3
[INFO] [stderr]     Checking cfg-expr v0.4.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking spdx v0.3.4
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]    Compiling rpmalloc-sys v0.2.0+c4d2c05
[INFO] [stderr]     Checking rpmalloc v0.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]     Checking cargo_metadata v0.10.0
[INFO] [stderr]     Checking handlebars v3.2.1
[INFO] [stderr]     Checking askalono v0.4.2
[INFO] [stderr]     Checking krates v0.3.0
[INFO] [stderr]  Documenting cargo-about v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "7f2abb7d03aaf03c7b6c3b5eba91a82de52903f466f07818dc2c01af2b032d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f2abb7d03aaf03c7b6c3b5eba91a82de52903f466f07818dc2c01af2b032d03", kill_on_drop: false }`
[INFO] [stdout] 7f2abb7d03aaf03c7b6c3b5eba91a82de52903f466f07818dc2c01af2b032d03