[INFO] cloning repository https://github.com/FauxFaux/hyper-chunky
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/hyper-chunky" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fhyper-chunky", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fhyper-chunky'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c827c54cf41af75df0bb2a4d195b438ab3702e1
[INFO] documenting FauxFaux/hyper-chunky 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%2FFauxFaux%2Fhyper-chunky" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/hyper-chunky 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/FauxFaux/hyper-chunky
[INFO] finished tweaking git repo https://github.com/FauxFaux/hyper-chunky
[INFO] tweaked toml for git repo https://github.com/FauxFaux/hyper-chunky written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/hyper-chunky 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 lock_api v0.3.2
[INFO] [stderr]   Downloaded tokio-executor v0.1.9
[INFO] [stderr]   Downloaded http v0.1.20
[INFO] [stderr]   Downloaded tokio-timer v0.2.12
[INFO] [stderr]   Downloaded syn v1.0.9
[INFO] [stderr]   Downloaded tokio-reactor v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 263ff6fa4d5380ed32247a0ef63151d5c112c7f0d3f69e5666a518967b0b8f36
[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" "263ff6fa4d5380ed32247a0ef63151d5c112c7f0d3f69e5666a518967b0b8f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "263ff6fa4d5380ed32247a0ef63151d5c112c7f0d3f69e5666a518967b0b8f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263ff6fa4d5380ed32247a0ef63151d5c112c7f0d3f69e5666a518967b0b8f36", kill_on_drop: false }`
[INFO] [stdout] 263ff6fa4d5380ed32247a0ef63151d5c112c7f0d3f69e5666a518967b0b8f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fb3bc669fae347b61f0d0d6fa671e1388b8132ced41d9707fb846cddbe645226
[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" "fb3bc669fae347b61f0d0d6fa671e1388b8132ced41d9707fb846cddbe645226", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.20
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]  Documenting hyper-chunky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.91s
[INFO] running `Command { std: "docker" "inspect" "fb3bc669fae347b61f0d0d6fa671e1388b8132ced41d9707fb846cddbe645226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3bc669fae347b61f0d0d6fa671e1388b8132ced41d9707fb846cddbe645226", kill_on_drop: false }`
[INFO] [stdout] fb3bc669fae347b61f0d0d6fa671e1388b8132ced41d9707fb846cddbe645226