[INFO] cloning repository https://github.com/tristan-zander/modman-compositor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tristan-zander/modman-compositor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-zander%2Fmodman-compositor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-zander%2Fmodman-compositor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40fcdb815a43743881bcc2ae626d77567e3eed86
[INFO] documenting tristan-zander/modman-compositor against master#c04832643d70479988a3ad9d92b63d9bc95e9c6d for pr-107291
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-zander%2Fmodman-compositor" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tristan-zander/modman-compositor on toolchain c04832643d70479988a3ad9d92b63d9bc95e9c6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tristan-zander/modman-compositor
[INFO] finished tweaking git repo https://github.com/tristan-zander/modman-compositor
[INFO] tweaked toml for git repo https://github.com/tristan-zander/modman-compositor written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tristan-zander/modman-compositor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Smithay/smithay.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded calloop v0.9.1
[INFO] [stderr]   Downloaded udev v0.6.2
[INFO] [stderr]   Downloaded wayland-egl v0.29.0
[INFO] [stderr]   Downloaded appendlist v1.4.0
[INFO] [stderr]   Downloaded gbm v0.7.0
[INFO] [stderr]   Downloaded drm-ffi v0.2.0
[INFO] [stderr]   Downloaded dbus v0.9.3
[INFO] [stderr]   Downloaded xkbcommon v0.4.0
[INFO] [stderr]   Downloaded input v0.6.0
[INFO] [stderr]   Downloaded drm-fourcc v2.2.0
[INFO] [stderr]   Downloaded drm-sys v0.1.1
[INFO] [stderr]   Downloaded drm v0.5.0
[INFO] [stderr]   Downloaded input-sys v1.15.1
[INFO] [stderr]   Downloaded x11-dl v2.19.0
[INFO] [stderr]   Downloaded wayland-scanner v0.29.0
[INFO] [stderr]   Downloaded gbm-sys v0.2.0
[INFO] [stderr]   Downloaded wayland-sys v0.29.0
[INFO] [stderr]   Downloaded wayland-commons v0.29.0
[INFO] [stderr]   Downloaded wayland-server v0.29.0
[INFO] [stderr]   Downloaded wayland-protocols v0.29.0
[INFO] [stderr]   Downloaded wayland-server v0.28.6
[INFO] [stderr]   Downloaded wayland-client v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 494bc11b467fde71f1216615e24baf5ab6f69c6e1b1ff218d85783fb5f2f1296
[INFO] running `Command { std: "docker" "start" "-a" "494bc11b467fde71f1216615e24baf5ab6f69c6e1b1ff218d85783fb5f2f1296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "494bc11b467fde71f1216615e24baf5ab6f69c6e1b1ff218d85783fb5f2f1296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494bc11b467fde71f1216615e24baf5ab6f69c6e1b1ff218d85783fb5f2f1296", kill_on_drop: false }`
[INFO] [stdout] 494bc11b467fde71f1216615e24baf5ab6f69c6e1b1ff218d85783fb5f2f1296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6528aaacd0fb88211db48dde756609e64329edb60eb094e07d392de43930645d
[INFO] running `Command { std: "docker" "start" "-a" "6528aaacd0fb88211db48dde756609e64329edb60eb094e07d392de43930645d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking minimal-lexical v0.1.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling drm-sys v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]    Compiling input-sys v1.15.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gbm-sys v0.2.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking arc-swap v1.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.0
[INFO] [stderr]    Compiling wayland-sys v0.29.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling wayland-scanner v0.29.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking appendlist v1.4.0
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling smithay v0.3.0 (https://github.com/Smithay/smithay.git?branch=master#70c11e6c)
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking udev v0.6.2
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking mio-misc v1.2.1
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling wayland-server v0.29.0
[INFO] [stderr]    Compiling wayland-client v0.29.0
[INFO] [stderr]    Compiling wayland-protocols v0.29.0
[INFO] [stderr]    Compiling wayland-server v0.28.6
[INFO] [stderr]    Compiling glium v0.29.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.77/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=49bb20f3d0a728b9 -C extra-filename=-49bb20f3d0a728b9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a9e37e1a9d2dc9b7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cb31b58584e17ba0.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6528aaacd0fb88211db48dde756609e64329edb60eb094e07d392de43930645d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6528aaacd0fb88211db48dde756609e64329edb60eb094e07d392de43930645d", kill_on_drop: false }`
[INFO] [stdout] 6528aaacd0fb88211db48dde756609e64329edb60eb094e07d392de43930645d