[INFO] cloning repository https://github.com/Rua/ferret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rua/ferret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6cbb1d1275ba50f75c85e04794e33faefb96a00
[INFO] documenting Rua/ferret against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rua/ferret on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rua/ferret
[INFO] finished tweaking git repo https://github.com/Rua/ferret
[INFO] tweaked toml for git repo https://github.com/Rua/ferret written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/Rua/ferret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/vulkano-rs/vulkano`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relative-path v1.4.0
[INFO] [stderr]   Downloaded rmp-serde v0.15.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0926e2d8516a6331488fb76e1a84d964bebaf12734b5e6f6c8d1da14ab9b8324
[INFO] running `Command { std: "docker" "start" "-a" "0926e2d8516a6331488fb76e1a84d964bebaf12734b5e6f6c8d1da14ab9b8324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0926e2d8516a6331488fb76e1a84d964bebaf12734b5e6f6c8d1da14ab9b8324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0926e2d8516a6331488fb76e1a84d964bebaf12734b5e6f6c8d1da14ab9b8324", kill_on_drop: false }`
[INFO] [stdout] 0926e2d8516a6331488fb76e1a84d964bebaf12734b5e6f6c8d1da14ab9b8324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b1635963dc89860c6b702dc911b84c6e610d3e06b72f5e76344bbc94f6aaae1
[INFO] running `Command { std: "docker" "start" "-a" "4b1635963dc89860c6b702dc911b84c6e610d3e06b72f5e76344bbc94f6aaae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling erased-serde v0.3.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking atomic_refcell v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking relative-path v1.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling vk-parse v0.6.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking mio-misc v1.2.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling shaderc-sys v0.7.2
[INFO] [stderr]    Compiling vulkano v0.23.0 (https://github.com/vulkano-rs/vulkano#629fff82)
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-commons v0.28.5
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking wayland-cursor v0.28.5
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.126/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=a620ed455f16ab61 -C extra-filename=-a620ed455f16ab61 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-906e605b8945df90.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-7b6ebdbf9c428cdb.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-74043e64edba7975.rlib --extern proc_macro --cap-lints allow --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4b1635963dc89860c6b702dc911b84c6e610d3e06b72f5e76344bbc94f6aaae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1635963dc89860c6b702dc911b84c6e610d3e06b72f5e76344bbc94f6aaae1", kill_on_drop: false }`
[INFO] [stdout] 4b1635963dc89860c6b702dc911b84c6e610d3e06b72f5e76344bbc94f6aaae1
