[INFO] cloning repository https://github.com/angelbeshirov/dots-n-boxes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angelbeshirov/dots-n-boxes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelbeshirov%2Fdots-n-boxes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelbeshirov%2Fdots-n-boxes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfbb3cfcbd1f23550763f1808e7af35cfbc5dcdb
[INFO] checking angelbeshirov/dots-n-boxes against master#30b3f35c420694a4f24e5a4df00f06073f4f3a37 for pr-94081
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelbeshirov%2Fdots-n-boxes" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/angelbeshirov/dots-n-boxes on toolchain 30b3f35c420694a4f24e5a4df00f06073f4f3a37
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+30b3f35c420694a4f24e5a4df00f06073f4f3a37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/angelbeshirov/dots-n-boxes
[INFO] finished tweaking git repo https://github.com/angelbeshirov/dots-n-boxes
[INFO] tweaked toml for git repo https://github.com/angelbeshirov/dots-n-boxes written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/angelbeshirov/dots-n-boxes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+30b3f35c420694a4f24e5a4df00f06073f4f3a37" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+30b3f35c420694a4f24e5a4df00f06073f4f3a37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b07450df7e32c709fd403937b2b0e09cacc77e38a33a4905a073c108de015bc4
[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" "b07450df7e32c709fd403937b2b0e09cacc77e38a33a4905a073c108de015bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b07450df7e32c709fd403937b2b0e09cacc77e38a33a4905a073c108de015bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07450df7e32c709fd403937b2b0e09cacc77e38a33a4905a073c108de015bc4", kill_on_drop: false }`
[INFO] [stdout] b07450df7e32c709fd403937b2b0e09cacc77e38a33a4905a073c108de015bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+30b3f35c420694a4f24e5a4df00f06073f4f3a37" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5892d28353f7a88f6db8045717bc19ef907e04cb1f92bb8fcd36e793fd45aaab
[INFO] running `Command { std: "docker" "start" "-a" "5892d28353f7a88f6db8045717bc19ef907e04cb1f92bb8fcd36e793fd45aaab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking glam v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking euclid v0.20.7
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.42
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.29.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=3c60af7c42a1264d -C extra-filename=-3c60af7c42a1264d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-a6d2a76154b1f32a.rmeta --cap-lints allow --cap-lints=forbid` (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" "5892d28353f7a88f6db8045717bc19ef907e04cb1f92bb8fcd36e793fd45aaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5892d28353f7a88f6db8045717bc19ef907e04cb1f92bb8fcd36e793fd45aaab", kill_on_drop: false }`
[INFO] [stdout] 5892d28353f7a88f6db8045717bc19ef907e04cb1f92bb8fcd36e793fd45aaab