[INFO] fetching crate pnmixer-rs 0.1.2...
[INFO] documenting pnmixer-rs-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate pnmixer-rs 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pnmixer-rs 0.1.2 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 crates.io crate pnmixer-rs 0.1.2
[INFO] finished tweaking crates.io crate pnmixer-rs 0.1.2
[INFO] tweaked toml for crates.io crate pnmixer-rs 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 alsa v0.1.10
[INFO] [stderr]   Downloaded atk-sys v0.4.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.4.0
[INFO] [stderr]   Downloaded cairo-rs v0.2.0
[INFO] [stderr]   Downloaded gio v0.2.0
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.2.0
[INFO] [stderr]   Downloaded gtk v0.2.0
[INFO] [stderr]   Downloaded gio-sys v0.4.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.3.0
[INFO] [stderr]   Downloaded glib v0.4.1
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.4.0
[INFO] [stderr]   Downloaded gtk-sys v0.4.0
[INFO] [stderr]   Downloaded ffi v0.0.2
[INFO] [stderr]   Downloaded pango-sys v0.4.0
[INFO] [stderr]   Downloaded libnotify v1.0.3
[INFO] [stderr]   Downloaded flexi_logger v0.6.14
[INFO] [stderr]   Downloaded libnotify-sys v1.0.2
[INFO] [stderr]   Downloaded gdk v0.6.0
[INFO] [stderr]   Downloaded w_result v0.1.2
[INFO] [stderr]   Downloaded glib-sys v0.5.0
[INFO] [stderr]   Downloaded glib v0.3.1
[INFO] [stderr]   Downloaded gobject-sys v0.4.0
[INFO] [stderr]   Downloaded pango v0.2.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.5.0
[INFO] [stderr]   Downloaded gio-sys v0.5.0
[INFO] [stderr]   Downloaded gobject-sys v0.5.0
[INFO] [stderr]   Downloaded png v0.9.0
[INFO] [stderr]   Downloaded glib-sys v0.4.0
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] [stderr]   Downloaded gdk-sys v0.4.0
[INFO] [stderr]   Downloaded c_vec v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d89d15bceda6d54870e8f8c25b95b77c90feda8b0fb136f88683e5dd44664acc
[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" "d89d15bceda6d54870e8f8c25b95b77c90feda8b0fb136f88683e5dd44664acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89d15bceda6d54870e8f8c25b95b77c90feda8b0fb136f88683e5dd44664acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89d15bceda6d54870e8f8c25b95b77c90feda8b0fb136f88683e5dd44664acc", kill_on_drop: false }`
[INFO] [stdout] d89d15bceda6d54870e8f8c25b95b77c90feda8b0fb136f88683e5dd44664acc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5d69d4824ef692d32a565c1c38b7ab3bb4de74e02758309c55607d8c590fc059
[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" "5d69d4824ef692d32a565c1c38b7ab3bb4de74e02758309c55607d8c590fc059", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling gio v0.2.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cairo-rs v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling gdk v0.6.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling gtk v0.2.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking ffi v0.0.2
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking w_result v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking which v1.0.5
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling gobject-sys v0.4.0
[INFO] [stderr]    Compiling gio-sys v0.4.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.4.0
[INFO] [stderr]    Compiling pango-sys v0.4.0
[INFO] [stderr]    Compiling gdk-sys v0.4.0
[INFO] [stderr]    Compiling atk-sys v0.4.0
[INFO] [stderr]    Compiling gtk-sys v0.4.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking alsa v0.1.10
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]     Checking glib v0.3.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking flexi_logger v0.6.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking pango v0.2.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]  Documenting pnmixer-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | extern crate alloc_system;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `pnmixer-rs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name pnmixerlib src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern alsa=/opt/rustwide/target/debug/deps/libalsa-a7f6c254cca5a3e9.rmeta --extern alsa_sys=/opt/rustwide/target/debug/deps/libalsa_sys-ebaa164be6b2b3da.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-95c09fc8f8a73686.rmeta --extern ffi=/opt/rustwide/target/debug/deps/libffi-d75898cfd5a3bc31.rmeta --extern flexi_logger=/opt/rustwide/target/debug/deps/libflexi_logger-bd5a2f00e7e62f93.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-4482401f8dc8c0f7.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-72b09d83e6ff92f0.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-162489fb2e345442.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-a91a1b79f37f91ea.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-5425b49119d500f3.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-c45bfebb912453fc.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-e11abfd001593f67.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-da7eda897553ef6c.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-ef0bec7922b633d0.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-de2bf0c0e23207cd.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-718545e664b1d71b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-5978712e0981b50f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-852831a81492b358.rmeta --extern png=/opt/rustwide/target/debug/deps/libpng-664bf65412fe4eda.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-56aaa9c10896a418.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f63274fc5f50391b.so --extern toml=/opt/rustwide/target/debug/deps/libtoml-269fd2a0519af0f7.rmeta --extern w_result=/opt/rustwide/target/debug/deps/libw_result-73ee9ccf73712c62.rmeta --extern which=/opt/rustwide/target/debug/deps/libwhich-d6d30724b42418bc.rmeta --extern x11=/opt/rustwide/target/debug/deps/libx11-97e784eb59db8186.rmeta --extern xdg=/opt/rustwide/target/debug/deps/libxdg-35a0bb9b6f07672c.rmeta --cap-lints=warn --crate-version 0.1.2` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5d69d4824ef692d32a565c1c38b7ab3bb4de74e02758309c55607d8c590fc059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d69d4824ef692d32a565c1c38b7ab3bb4de74e02758309c55607d8c590fc059", kill_on_drop: false }`
[INFO] [stdout] 5d69d4824ef692d32a565c1c38b7ab3bb4de74e02758309c55607d8c590fc059