[INFO] cloning repository https://github.com/RGates94/rustmania
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RGates94/rustmania" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRGates94%2Frustmania", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRGates94%2Frustmania'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 456835c3fff18fe6f3bc6e2671b028cdc4372698
[INFO] documenting RGates94/rustmania 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%2FRGates94%2Frustmania" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RGates94/rustmania 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/RGates94/rustmania
[INFO] finished tweaking git repo https://github.com/RGates94/rustmania
[INFO] tweaked toml for git repo https://github.com/RGates94/rustmania written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/RGates94/rustmania 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3792a3cf32e005efec0f62fcba1ec52c1de7205c4f632ccd8e819db16a754872
[INFO] running `Command { std: "docker" "start" "-a" "3792a3cf32e005efec0f62fcba1ec52c1de7205c4f632ccd8e819db16a754872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3792a3cf32e005efec0f62fcba1ec52c1de7205c4f632ccd8e819db16a754872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3792a3cf32e005efec0f62fcba1ec52c1de7205c4f632ccd8e819db16a754872", kill_on_drop: false }`
[INFO] [stdout] 3792a3cf32e005efec0f62fcba1ec52c1de7205c4f632ccd8e819db16a754872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e2f91d7764adc0a10d9c28d6d4f3353802de15700098d58a3858231f413cb8c7
[INFO] running `Command { std: "docker" "start" "-a" "e2f91d7764adc0a10d9c28d6d4f3353802de15700098d58a3858231f413cb8c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking mint v0.5.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking raw-window-handle v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking glyph_brush_layout v0.1.8
[INFO] [stderr]     Checking zip v0.5.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[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-0.15.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=cc6cdb29db7623dc -C extra-filename=-cc6cdb29db7623dc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8a61732e01f8c220.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4eb547d99216c82d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f4af8e7ee48fb608.rmeta --cap-lints allow --cfg syn_can_use_thread_id --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e2f91d7764adc0a10d9c28d6d4f3353802de15700098d58a3858231f413cb8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f91d7764adc0a10d9c28d6d4f3353802de15700098d58a3858231f413cb8c7", kill_on_drop: false }`
[INFO] [stdout] e2f91d7764adc0a10d9c28d6d4f3353802de15700098d58a3858231f413cb8c7
