[INFO] cloning repository https://github.com/simon-whitehead/chemboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simon-whitehead/chemboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-whitehead%2Fchemboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-whitehead%2Fchemboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c25a60152172a397a0a3cf8fb5cb27ce84e66320
[INFO] documenting simon-whitehead/chemboy against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-whitehead%2Fchemboy" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simon-whitehead/chemboy on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simon-whitehead/chemboy
[INFO] finished tweaking git repo https://github.com/simon-whitehead/chemboy
[INFO] tweaked toml for git repo https://github.com/simon-whitehead/chemboy written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/simon-whitehead/chemboy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-window v0.32.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.32.0
[INFO] [stderr]   Downloaded conrod_derive v0.1.2
[INFO] [stderr]   Downloaded num-derive v0.2.2
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded wayland-client v0.12.5
[INFO] [stderr]   Downloaded libloading v0.5.0
[INFO] [stderr]   Downloaded wayland-kbd v0.13.1
[INFO] [stderr]   Downloaded gleam v0.5.1
[INFO] [stderr]   Downloaded core-graphics v0.13.0
[INFO] [stderr]   Downloaded tempfile v3.0.2
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded ordered-float v0.5.0
[INFO] [stderr]   Downloaded gl v0.10.0
[INFO] [stderr]   Downloaded cgl v0.2.2
[INFO] [stderr]   Downloaded token_store v0.1.2
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded wayland-scanner v0.12.5
[INFO] [stderr]   Downloaded wayland-sys v0.12.5
[INFO] [stderr]   Downloaded rusttype v0.5.2
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded petgraph v0.4.12
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.3
[INFO] [stderr]   Downloaded pistoncore-input v0.21.0
[INFO] [stderr]   Downloaded gfx_core v0.8.2
[INFO] [stderr]   Downloaded image v0.19.0
[INFO] [stderr]   Downloaded rand v0.5.1
[INFO] [stderr]   Downloaded piston2d-graphics v0.26.0
[INFO] [stderr]   Downloaded cocoa v0.14.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.37.0
[INFO] [stderr]   Downloaded piston v0.37.0
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded wayland-window v0.13.3
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded daggy v0.5.0
[INFO] [stderr]   Downloaded gfx v0.17.1
[INFO] [stderr]   Downloaded gfx_gl v0.5.0
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.53.0
[INFO] [stderr]   Downloaded memmap v0.6.2
[INFO] [stderr]   Downloaded khronos_api v2.2.0
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded conrod v0.60.0
[INFO] [stderr]   Downloaded winit v0.12.0
[INFO] [stderr]   Downloaded draw_state v0.8.0
[INFO] [stderr]   Downloaded glutin v0.14.0
[INFO] [stderr]   Downloaded piston_window v0.80.0
[INFO] [stderr]   Downloaded rusttype v0.4.3
[INFO] [stderr]   Downloaded wayland-protocols v0.12.5
[INFO] [stderr]   Downloaded gif v0.10.0
[INFO] [stderr]   Downloaded inflate v0.4.2
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.51.0
[INFO] [stderr]   Downloaded x11-dl v2.18.0
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.47.0
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1596bfcf90a2e9ea4e9cfa7e9e946f19d453880f340444747d77bc90f28e2660
[INFO] running `Command { std: "docker" "start" "-a" "1596bfcf90a2e9ea4e9cfa7e9e946f19d453880f340444747d77bc90f28e2660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1596bfcf90a2e9ea4e9cfa7e9e946f19d453880f340444747d77bc90f28e2660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1596bfcf90a2e9ea4e9cfa7e9e946f19d453880f340444747d77bc90f28e2660", kill_on_drop: false }`
[INFO] [stdout] 1596bfcf90a2e9ea4e9cfa7e9e946f19d453880f340444747d77bc90f28e2660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ee8daf21b554b2f50c6226f2ab0a2a502872923d35f4d93e5d9c661d6b210ea
[INFO] running `Command { std: "docker" "start" "-a" "0ee8daf21b554b2f50c6226f2ab0a2a502872923d35f4d93e5d9c661d6b210ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking read_color v0.1.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking petgraph v0.4.12
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking piston2d-graphics v0.23.0
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[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-0.10.8/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="aster"' --cfg 'feature="default"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="unicode-xid"' --cfg 'feature="visit"' -C metadata=a234a53936749d7c -C extra-filename=-a234a53936749d7c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-b2c35a218d36bb02.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-cd1c3572c9c6f6da.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0ee8daf21b554b2f50c6226f2ab0a2a502872923d35f4d93e5d9c661d6b210ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee8daf21b554b2f50c6226f2ab0a2a502872923d35f4d93e5d9c661d6b210ea", kill_on_drop: false }`
[INFO] [stdout] 0ee8daf21b554b2f50c6226f2ab0a2a502872923d35f4d93e5d9c661d6b210ea