[INFO] cloning repository https://github.com/ascense/worldclient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ascense/worldclient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fascense%2Fworldclient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fascense%2Fworldclient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62d8cfe953a1bb84741805976ff4e5fb7fff9e0c
[INFO] documenting ascense/worldclient against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fascense%2Fworldclient" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ascense/worldclient on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ascense/worldclient
[INFO] finished tweaking git repo https://github.com/ascense/worldclient
[INFO] tweaked toml for git repo https://github.com/ascense/worldclient written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ascense/worldclient already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/amethyst/rendy`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/gfx`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-commons v0.23.6
[INFO] [stderr]   Downloaded smallvec v0.6.12
[INFO] [stderr]   Downloaded shaderc v0.6.1
[INFO] [stderr]   Downloaded bmp v0.5.0
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded winit v0.20.0-alpha4
[INFO] [stderr]   Downloaded calloop v0.4.4
[INFO] [stderr]   Downloaded instant v0.1.2
[INFO] [stderr]   Downloaded raw-window-handle v0.3.1
[INFO] [stderr]   Downloaded wayland-protocols v0.23.6
[INFO] [stderr]   Downloaded circular-queue v0.2.2
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded hibitset v0.6.2
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded num-derive v0.1.44
[INFO] [stderr]   Downloaded gfx-hal v0.4.0
[INFO] [stderr]   Downloaded specs v0.15.1
[INFO] [stderr]   Downloaded dispatch v0.1.4
[INFO] [stderr]   Downloaded x11 v2.18.1
[INFO] [stderr]   Downloaded spirv-reflect v0.2.1
[INFO] [stderr]   Downloaded core-video-sys v0.1.3
[INFO] [stderr]   Downloaded x11-dl v2.18.4
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.4
[INFO] [stderr]   Downloaded shaderc-sys v0.6.1
[INFO] [stderr]   Downloaded spirv_headers v1.3.4
[INFO] [stderr]   Downloaded alga v0.9.2
[INFO] [stderr]   Downloaded shred v0.9.3
[INFO] [stderr]   Downloaded wayland-client v0.23.6
[INFO] [stderr]   Downloaded wayland-scanner v0.23.6
[INFO] [stderr]   Downloaded wayland-sys v0.23.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] dfca67f4c495753637718fb298209bdc464bb76873e5667d4f59285becb2de9d
[INFO] running `Command { std: "docker" "start" "-a" "dfca67f4c495753637718fb298209bdc464bb76873e5667d4f59285becb2de9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfca67f4c495753637718fb298209bdc464bb76873e5667d4f59285becb2de9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfca67f4c495753637718fb298209bdc464bb76873e5667d4f59285becb2de9d", kill_on_drop: false }`
[INFO] [stdout] dfca67f4c495753637718fb298209bdc464bb76873e5667d4f59285becb2de9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] e4be95ac07390f5bf7a5e16e6fc72163ffeabf8c597648741aec40076236e928
[INFO] running `Command { std: "docker" "start" "-a" "e4be95ac07390f5bf7a5e16e6fc72163ffeabf8c597648741aec40076236e928", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking eternalreckoning-ui v0.1.0 (/opt/rustwide/workdir/ui)
[INFO] [stderr]  Documenting eternalreckoning-ui v0.1.0 (/opt/rustwide/workdir/ui)
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling circular-queue v0.2.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking raw-window-handle v0.3.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking gfx-hal v0.4.0 (https://github.com/gfx-rs/gfx?rev=46386475f7e823e807ec984c372ffe04dcc0a22b#46386475)
[INFO] [stderr]     Checking gfx-hal v0.4.0
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking rusttype v0.8.1
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling spirv-reflect v0.2.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=875b7f823ce23cb7 -C extra-filename=-875b7f823ce23cb7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5183daaff8fc0d44.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6b52825d784462e1.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-123b1a1a47f71896.rmeta --cap-lints allow --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e4be95ac07390f5bf7a5e16e6fc72163ffeabf8c597648741aec40076236e928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4be95ac07390f5bf7a5e16e6fc72163ffeabf8c597648741aec40076236e928", kill_on_drop: false }`
[INFO] [stdout] e4be95ac07390f5bf7a5e16e6fc72163ffeabf8c597648741aec40076236e928