[INFO] cloning repository https://github.com/FreeFull/monotile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeFull/monotile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmonotile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmonotile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406f15b1b25861f208e8c24159fb728bc938a654
[INFO] documenting FreeFull/monotile 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%2FFreeFull%2Fmonotile" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeFull/monotile 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/FreeFull/monotile
[INFO] finished tweaking git repo https://github.com/FreeFull/monotile
[INFO] tweaked toml for git repo https://github.com/FreeFull/monotile written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeFull/monotile 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]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded send-cell v0.1.3
[INFO] [stderr]   Downloaded c_vec v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] dee7f8261d472e54c631e2b79f7f74b0c7dcbbea62a593d95e7a89777f4f13a2
[INFO] running `Command { std: "docker" "start" "-a" "dee7f8261d472e54c631e2b79f7f74b0c7dcbbea62a593d95e7a89777f4f13a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee7f8261d472e54c631e2b79f7f74b0c7dcbbea62a593d95e7a89777f4f13a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee7f8261d472e54c631e2b79f7f74b0c7dcbbea62a593d95e7a89777f4f13a2", kill_on_drop: false }`
[INFO] [stdout] dee7f8261d472e54c631e2b79f7f74b0c7dcbbea62a593d95e7a89777f4f13a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cdce1308a14c971bed3abfbf416fe42043333ade2ffdd08f61ed19d56fa41c2f
[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" "cdce1308a14c971bed3abfbf416fe42043333ade2ffdd08f61ed19d56fa41c2f", 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 pkg-config v0.3.11
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling gio v0.4.0 (https://github.com/gtk-rs/gio.git#85ab4427)
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking send-cell v0.1.3
[INFO] [stderr]    Compiling gdk-pixbuf v0.4.0 (https://github.com/gtk-rs/gdk-pixbuf#6d083845)
[INFO] [stderr]    Compiling cairo-rs v0.4.0 (https://github.com/gtk-rs/cairo.git#aba6ba00)
[INFO] [stderr]    Compiling gdk v0.8.0 (https://github.com/gtk-rs/gdk.git#5bdf96f3)
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]     Checking c_vec v1.3.1
[INFO] [stderr]    Compiling gtk v0.4.0 (https://github.com/gtk-rs/gtk.git#693e33eb)
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling glib-sys v0.6.0 (https://github.com/gtk-rs/sys#83d3f0a6)
[INFO] [stderr]    Compiling gobject-sys v0.6.0 (https://github.com/gtk-rs/sys#83d3f0a6)
[INFO] [stderr]    Compiling gio-sys v0.6.0 (https://github.com/gtk-rs/sys#83d3f0a6)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.6.0 (https://github.com/gtk-rs/sys#83d3f0a6)
[INFO] [stderr]    Compiling cairo-sys-rs v0.6.0 (https://github.com/gtk-rs/cairo.git#aba6ba00)
[INFO] [stderr]    Compiling pango-sys v0.6.0 (https://github.com/gtk-rs/sys#83d3f0a6)
[INFO] [stderr]    Compiling gdk-sys v0.6.0 (https://github.com/gtk-rs/sys#83d3f0a6)
[INFO] [stderr]    Compiling atk-sys v0.6.0 (https://github.com/gtk-rs/sys#83d3f0a6)
[INFO] [stderr]    Compiling gtk-sys v0.6.0 (https://github.com/gtk-rs/sys#83d3f0a6)
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking glib v0.5.0 (https://github.com/gtk-rs/glib.git#a5e1d028)
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking pango v0.4.0 (https://github.com/gtk-rs/pango#1fa26b1a)
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]  Documenting monotile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "cdce1308a14c971bed3abfbf416fe42043333ade2ffdd08f61ed19d56fa41c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdce1308a14c971bed3abfbf416fe42043333ade2ffdd08f61ed19d56fa41c2f", kill_on_drop: false }`
[INFO] [stdout] cdce1308a14c971bed3abfbf416fe42043333ade2ffdd08f61ed19d56fa41c2f