[INFO] cloning repository https://github.com/theosirian/minesweeper-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theosirian/minesweeper-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheosirian%2Fminesweeper-wgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheosirian%2Fminesweeper-wgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30d6c9c3edb3b003167302e94d694b8a7cbc2f1a
[INFO] checking theosirian/minesweeper-wgpu against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheosirian%2Fminesweeper-wgpu" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theosirian/minesweeper-wgpu on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theosirian/minesweeper-wgpu
[INFO] finished tweaking git repo https://github.com/theosirian/minesweeper-wgpu
[INFO] tweaked toml for git repo https://github.com/theosirian/minesweeper-wgpu written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/theosirian/minesweeper-wgpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-backend-metal v0.5.2
[INFO] [stderr]   Downloaded gfx-hal v0.5.0
[INFO] [stderr]   Downloaded ahash v0.3.4
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.5.6
[INFO] [stderr]   Downloaded assets_manager v0.2.2
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.5.3
[INFO] [stderr]   Downloaded wgpu-types v0.5.0
[INFO] [stderr]   Downloaded wgpu-core v0.5.4
[INFO] [stderr]   Downloaded read_token v1.0.0
[INFO] [stderr]   Downloaded range v1.0.0
[INFO] [stderr]   Downloaded piston_meta v1.0.0
[INFO] [stderr]   Downloaded advancedresearch-tree_mem_sort v0.2.0
[INFO] [stderr]   Downloaded dyon v0.44.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f69028ee2a29b026b4b1bbd97d3ba86fc0394aed415a620b9b14ec15779b1886
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f69028ee2a29b026b4b1bbd97d3ba86fc0394aed415a620b9b14ec15779b1886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f69028ee2a29b026b4b1bbd97d3ba86fc0394aed415a620b9b14ec15779b1886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69028ee2a29b026b4b1bbd97d3ba86fc0394aed415a620b9b14ec15779b1886", kill_on_drop: false }`
[INFO] [stdout] f69028ee2a29b026b4b1bbd97d3ba86fc0394aed415a620b9b14ec15779b1886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52bbf0832e37970cf742fd08b234e4489c4a9c034e7d94b64bea7d1046f5345a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52bbf0832e37970cf742fd08b234e4489c4a9c034e7d94b64bea7d1046f5345a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking ahash v0.3.4
[INFO] [stderr]     Checking advancedresearch-tree_mem_sort v0.2.0
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking gfx-hal v0.5.0
[INFO] [stderr]     Checking read_token v1.0.0
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking assets_manager v0.2.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking ash v0.30.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking gilrs-core v0.2.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking piston_meta v1.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking gilrs v0.7.4
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking gfx-memory v0.1.3
[INFO] [stderr]     Checking gfx-descriptor v0.1.0
[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-1.0.19/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=46370d434223db5a -C extra-filename=-46370d434223db5a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-26c2d43dc71dcaca.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f65d66d4f7831ffa.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-00e718d0d0f7c0e6.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_disable_nightly_tests` (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" "52bbf0832e37970cf742fd08b234e4489c4a9c034e7d94b64bea7d1046f5345a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52bbf0832e37970cf742fd08b234e4489c4a9c034e7d94b64bea7d1046f5345a", kill_on_drop: false }`
[INFO] [stdout] 52bbf0832e37970cf742fd08b234e4489c4a9c034e7d94b64bea7d1046f5345a