[INFO] fetching crate pnmixer-rs 0.1.2...
[INFO] documenting pnmixer-rs-0.1.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate pnmixer-rs 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pnmixer-rs 0.1.2 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 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a74e07d99f363178054b7fc5535d585ca1ccfe482abc104687d109433dfc3ee7
[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" "a74e07d99f363178054b7fc5535d585ca1ccfe482abc104687d109433dfc3ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a74e07d99f363178054b7fc5535d585ca1ccfe482abc104687d109433dfc3ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74e07d99f363178054b7fc5535d585ca1ccfe482abc104687d109433dfc3ee7", kill_on_drop: false }`
[INFO] [stdout] a74e07d99f363178054b7fc5535d585ca1ccfe482abc104687d109433dfc3ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c1b9ef3957d443e37170d89b1341d7d5deb85086bc8982c215c3ac01c336686c
[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" "c1b9ef3957d443e37170d89b1341d7d5deb85086bc8982c215c3ac01c336686c", 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 unicode-xid v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cairo-rs v0.2.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0
[INFO] [stderr]    Compiling gio v0.2.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling gdk v0.6.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling gtk v0.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking ffi v0.0.2
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.6.10
[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 w_result v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking deflate v0.7.20
[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 time v0.1.44
[INFO] [stderr]     Checking which v1.0.5
[INFO] [stderr]     Checking alsa v0.1.10
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking glib v0.3.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking flexi_logger v0.6.14
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking pango v0.2.0
[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-400cb69b7e4e2706.rmeta --extern alsa_sys=/opt/rustwide/target/debug/deps/libalsa_sys-2711c11ceddaa368.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-909a0b24b91eeaa1.rmeta --extern ffi=/opt/rustwide/target/debug/deps/libffi-94c31738c4740c7a.rmeta --extern flexi_logger=/opt/rustwide/target/debug/deps/libflexi_logger-7d76bc9ea6f8835d.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-2fe883426ce53120.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-0adb40c2bbba78ac.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-9dd2ff5e3adf5b0e.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-6b2cce33442fdddd.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-cf99efbf4561a820.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-1ed6c8a94b7f08ca.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-bc35ee4580e0e19c.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-48237a4216877a3d.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-86934095940cb22b.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-2c2a6b0e184fc4d2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd5bbb11e88bdfb4.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-16dce66fc0231566.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-5f306f0d4b1f39de.rmeta --extern png=/opt/rustwide/target/debug/deps/libpng-498b7380d3c80a95.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-da3eab0da913a814.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-26335445c7487702.so --extern toml=/opt/rustwide/target/debug/deps/libtoml-19387c1fdd6cd52c.rmeta --extern w_result=/opt/rustwide/target/debug/deps/libw_result-fa0d3dfd37e7a251.rmeta --extern which=/opt/rustwide/target/debug/deps/libwhich-2adf72f25156aae9.rmeta --extern x11=/opt/rustwide/target/debug/deps/libx11-40e56356bc8334fe.rmeta --extern xdg=/opt/rustwide/target/debug/deps/libxdg-378357d905f999ee.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "c1b9ef3957d443e37170d89b1341d7d5deb85086bc8982c215c3ac01c336686c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b9ef3957d443e37170d89b1341d7d5deb85086bc8982c215c3ac01c336686c", kill_on_drop: false }`
[INFO] [stdout] c1b9ef3957d443e37170d89b1341d7d5deb85086bc8982c215c3ac01c336686c