[INFO] cloning repository https://github.com/kevinmehall/panobubble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinmehall/panobubble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinmehall%2Fpanobubble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinmehall%2Fpanobubble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc7844170a3b3243d525796305632c7bcb3a8c1f
[INFO] documenting kevinmehall/panobubble against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinmehall%2Fpanobubble" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinmehall/panobubble on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kevinmehall/panobubble
[INFO] finished tweaking git repo https://github.com/kevinmehall/panobubble
[INFO] tweaked toml for git repo https://github.com/kevinmehall/panobubble written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinmehall/panobubble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 517be1a4b94b0fb391612483e556fd33b9395c9d151ad1c044f51038ee4bee81
[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" "517be1a4b94b0fb391612483e556fd33b9395c9d151ad1c044f51038ee4bee81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "517be1a4b94b0fb391612483e556fd33b9395c9d151ad1c044f51038ee4bee81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517be1a4b94b0fb391612483e556fd33b9395c9d151ad1c044f51038ee4bee81", kill_on_drop: false }`
[INFO] [stdout] 517be1a4b94b0fb391612483e556fd33b9395c9d151ad1c044f51038ee4bee81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d2b881008560498a0a72b80422e5b1b80cc3f20373f1e2919f533af4b4cd1e1
[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" "8d2b881008560498a0a72b80422e5b1b80cc3f20373f1e2919f533af4b4cd1e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking takeable-option v0.4.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glium v0.25.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.4
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]  Documenting panobubble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "8d2b881008560498a0a72b80422e5b1b80cc3f20373f1e2919f533af4b4cd1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2b881008560498a0a72b80422e5b1b80cc3f20373f1e2919f533af4b4cd1e1", kill_on_drop: false }`
[INFO] [stdout] 8d2b881008560498a0a72b80422e5b1b80cc3f20373f1e2919f533af4b4cd1e1