[INFO] cloning repository https://github.com/Circuit8/Postit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Circuit8/Postit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuit8%2FPostit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuit8%2FPostit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 592530fcabf22004d1944a731a2e84020bf5f41a
[INFO] documenting Circuit8/Postit 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%2FCircuit8%2FPostit" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Circuit8/Postit 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/Circuit8/Postit
[INFO] finished tweaking git repo https://github.com/Circuit8/Postit
[INFO] tweaked toml for git repo https://github.com/Circuit8/Postit written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Circuit8/Postit 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 serde v1.0.95
[INFO] [stderr]   Downloaded frontmatter v0.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8bd72aa702056caddda6367b2bfac92a3f5b21e77851c02b8f383f024a7b756d
[INFO] running `Command { std: "docker" "start" "-a" "8bd72aa702056caddda6367b2bfac92a3f5b21e77851c02b8f383f024a7b756d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd72aa702056caddda6367b2bfac92a3f5b21e77851c02b8f383f024a7b756d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd72aa702056caddda6367b2bfac92a3f5b21e77851c02b8f383f024a7b756d", kill_on_drop: false }`
[INFO] [stdout] 8bd72aa702056caddda6367b2bfac92a3f5b21e77851c02b8f383f024a7b756d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 77eea9d5c8997d28ee1149bbaa55aa568fa7f550541e3e232c91f10a67481f65
[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" "77eea9d5c8997d28ee1149bbaa55aa568fa7f550541e3e232c91f10a67481f65", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling serde v1.0.95
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking typed-arena v1.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking frontmatter v0.3.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking twoway v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.95
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking comrak v0.6.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking handlebars v2.0.1
[INFO] [stderr]  Documenting postit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.35s
[INFO] running `Command { std: "docker" "inspect" "77eea9d5c8997d28ee1149bbaa55aa568fa7f550541e3e232c91f10a67481f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77eea9d5c8997d28ee1149bbaa55aa568fa7f550541e3e232c91f10a67481f65", kill_on_drop: false }`
[INFO] [stdout] 77eea9d5c8997d28ee1149bbaa55aa568fa7f550541e3e232c91f10a67481f65