[INFO] cloning repository https://github.com/udbhav-s/flappycube
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udbhav-s/flappycube" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudbhav-s%2Fflappycube", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudbhav-s%2Fflappycube'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70302d1eac8c0befb6e25497c2d72a562171292e
[INFO] checking udbhav-s/flappycube against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudbhav-s%2Fflappycube" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/udbhav-s/flappycube on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/udbhav-s/flappycube
[INFO] finished tweaking git repo https://github.com/udbhav-s/flappycube
[INFO] tweaked toml for git repo https://github.com/udbhav-s/flappycube written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/udbhav-s/flappycube already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 podio v0.1.6
[INFO] [stderr]   Downloaded twox-hash v1.2.0
[INFO] [stderr]   Downloaded wayland-protocols v0.21.12
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.3
[INFO] [stderr]   Downloaded stdweb-derive v0.5.1
[INFO] [stderr]   Downloaded gfx_core v0.9.0
[INFO] [stderr]   Downloaded rusty-xinput v1.2.0
[INFO] [stderr]   Downloaded gleam v0.6.16
[INFO] [stderr]   Downloaded zip v0.5.2
[INFO] [stderr]   Downloaded downcast-rs v1.0.4
[INFO] [stderr]   Downloaded wayland-client v0.21.12
[INFO] [stderr]   Downloaded io-kit-sys v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.42
[INFO] [stderr]   Downloaded stdweb v0.4.16
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.42
[INFO] [stderr]   Downloaded lyon_path v0.13.1
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[INFO] [stderr]   Downloaded gfx v0.18.0
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[INFO] [stderr]   Downloaded num-derive v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.42
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.42
[INFO] [stderr]   Downloaded matrixmultiply v0.2.2
[INFO] [stderr]   Downloaded smart-default v0.5.2
[INFO] [stderr]   Downloaded wayland-scanner v0.21.12
[INFO] [stderr]   Downloaded bytecount v0.4.0
[INFO] [stderr]   Downloaded glyph_brush v0.4.2
[INFO] [stderr]   Downloaded lyon_geom v0.12.4
[INFO] [stderr]   Downloaded gfx_window_glutin v0.30.0
[INFO] [stderr]   Downloaded euclid v0.19.8
[INFO] [stderr]   Downloaded euclid_macros v0.1.0
[INFO] [stderr]   Downloaded base-x v0.2.4
[INFO] [stderr]   Downloaded skeptic v0.13.4
[INFO] [stderr]   Downloaded gl_generator v0.11.0
[INFO] [stderr]   Downloaded glyph_brush_layout v0.1.5
[INFO] [stderr]   Downloaded rusttype v0.7.6
[INFO] [stderr]   Downloaded stb_truetype v0.2.6
[INFO] [stderr]   Downloaded nix v0.13.0
[INFO] [stderr]   Downloaded gilrs v0.7.1
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.2.0
[INFO] [stderr]   Downloaded lyon_algorithms v0.13.1
[INFO] [stderr]   Downloaded cargo_metadata v0.6.4
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded objc v0.2.6
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.3
[INFO] [stderr]   Downloaded lyon_tessellation v0.13.1
[INFO] [stderr]   Downloaded alga v0.9.0
[INFO] [stderr]   Downloaded sid v0.5.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.14
[INFO] [stderr]   Downloaded generic-array v0.12.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.5
[INFO] [stderr]   Downloaded winit v0.19.1
[INFO] [stderr]   Downloaded bumpalo v2.3.0
[INFO] [stderr]   Downloaded wayland-commons v0.21.12
[INFO] [stderr]   Downloaded lyon v0.13.1
[INFO] [stderr]   Downloaded wayland-sys v0.21.12
[INFO] [stderr]   Downloaded gilrs-core v0.2.2
[INFO] [stderr]   Downloaded glutin v0.20.0
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.4
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.3
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.4
[INFO] [stderr]   Downloaded tiff v0.2.2
[INFO] [stderr]   Downloaded nalgebra v0.18.0
[INFO] [stderr]   Downloaded bzip2-sys v0.1.7
[INFO] [stderr]   Downloaded hashbrown v0.2.2
[INFO] [stderr]   Downloaded syn v0.15.32
[INFO] [stderr]   Downloaded ggez v0.5.0-rc.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08fde9c14fff0c0884aecb3c22090d0ed254f5441c4736ff1162bc3a0caaf264
[INFO] running `Command { std: "docker" "start" "-a" "08fde9c14fff0c0884aecb3c22090d0ed254f5441c4736ff1162bc3a0caaf264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08fde9c14fff0c0884aecb3c22090d0ed254f5441c4736ff1162bc3a0caaf264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fde9c14fff0c0884aecb3c22090d0ed254f5441c4736ff1162bc3a0caaf264", kill_on_drop: false }`
[INFO] [stdout] 08fde9c14fff0c0884aecb3c22090d0ed254f5441c4736ff1162bc3a0caaf264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccbe929e06799718903b981dfecfade111c40a9017eaed8bd5c43238c76d4c5a
[INFO] running `Command { std: "docker" "start" "-a" "ccbe929e06799718903b981dfecfade111c40a9017eaed8bd5c43238c76d4c5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking claxon v0.3.2
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking mint v0.5.1
[INFO] [stderr]     Checking hashbrown v0.2.2
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling quote v0.6.12
[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]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.4
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking alga v0.9.0
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[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 dlib v0.4.1
[INFO] [stderr]     Checking minimp3 v0.3.2
[INFO] [stderr]     Checking rusttype v0.7.6
[INFO] [stderr]     Checking wayland-sys v0.21.12
[INFO] [stderr]     Checking twox-hash v1.2.0
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]     Checking gilrs-core v0.2.2
[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-0.15.32/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=6c7640b15916c434 -C extra-filename=-6c7640b15916c434 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d586d2e93f3ede76.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6689093bbb6acfa5.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid --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" "ccbe929e06799718903b981dfecfade111c40a9017eaed8bd5c43238c76d4c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbe929e06799718903b981dfecfade111c40a9017eaed8bd5c43238c76d4c5a", kill_on_drop: false }`
[INFO] [stdout] ccbe929e06799718903b981dfecfade111c40a9017eaed8bd5c43238c76d4c5a