[INFO] cloning repository https://github.com/ritobanrc/vulkano_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ritobanrc/vulkano_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fvulkano_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fvulkano_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6b291093cf5205ebab73d015f2229a098832341
[INFO] checking ritobanrc/vulkano_tutorial against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fvulkano_tutorial" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ritobanrc/vulkano_tutorial on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ritobanrc/vulkano_tutorial
[INFO] finished tweaking git repo https://github.com/ritobanrc/vulkano_tutorial
[INFO] tweaked toml for git repo https://github.com/ritobanrc/vulkano_tutorial written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ritobanrc/vulkano_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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 backtrace v0.3.26
[INFO] [stderr]   Downloaded vulkano-shaders v0.11.1
[INFO] [stderr]   Downloaded crossbeam v0.5.0
[INFO] [stderr]   Downloaded metal v0.13.1
[INFO] [stderr]   Downloaded vulkano-win v0.11.1
[INFO] [stderr]   Downloaded vk-sys v0.4.0
[INFO] [stderr]   Downloaded vulkano v0.11.1
[INFO] [stderr]   Downloaded shaderc v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c95996df65851d28b2282858bddbdce1988820578bb157aec06925d1b2f377b7
[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" "c95996df65851d28b2282858bddbdce1988820578bb157aec06925d1b2f377b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c95996df65851d28b2282858bddbdce1988820578bb157aec06925d1b2f377b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95996df65851d28b2282858bddbdce1988820578bb157aec06925d1b2f377b7", kill_on_drop: false }`
[INFO] [stdout] c95996df65851d28b2282858bddbdce1988820578bb157aec06925d1b2f377b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d429053edb0934aad105dfb0e6308bc41cbe9c23f1e0c16eaadc6eecd8405d
[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" "47d429053edb0934aad105dfb0e6308bc41cbe9c23f1e0c16eaadc6eecd8405d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking vk-sys v0.4.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]     Checking rayon-core v1.4.1
[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 rusttype v0.7.6
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking wayland-sys v0.21.12
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.34/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=9255ec2f48dc5025 -C extra-filename=-9255ec2f48dc5025 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-50111b8f7188482d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a63751869a2c6219.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --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" "47d429053edb0934aad105dfb0e6308bc41cbe9c23f1e0c16eaadc6eecd8405d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d429053edb0934aad105dfb0e6308bc41cbe9c23f1e0c16eaadc6eecd8405d", kill_on_drop: false }`
[INFO] [stdout] 47d429053edb0934aad105dfb0e6308bc41cbe9c23f1e0c16eaadc6eecd8405d