[INFO] cloning repository https://github.com/lokegustafsson/marble-gravity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lokegustafsson/marble-gravity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokegustafsson%2Fmarble-gravity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokegustafsson%2Fmarble-gravity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] add057291bb1e1dcf726c88789477cc412631d7d
[INFO] checking lokegustafsson/marble-gravity against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokegustafsson%2Fmarble-gravity" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lokegustafsson/marble-gravity 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/lokegustafsson/marble-gravity
[INFO] finished tweaking git repo https://github.com/lokegustafsson/marble-gravity
[INFO] tweaked toml for git repo https://github.com/lokegustafsson/marble-gravity written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lokegustafsson/marble-gravity 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 53651548a6dc58d3506bb81110b661406a2223b2489f788d763bad5cb201e747
[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" "53651548a6dc58d3506bb81110b661406a2223b2489f788d763bad5cb201e747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53651548a6dc58d3506bb81110b661406a2223b2489f788d763bad5cb201e747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53651548a6dc58d3506bb81110b661406a2223b2489f788d763bad5cb201e747", kill_on_drop: false }`
[INFO] [stdout] 53651548a6dc58d3506bb81110b661406a2223b2489f788d763bad5cb201e747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fdd0066951e540e2b80dc72d1d4a9400d4870834a8f919137eb7a39746e9a2e4
[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" "fdd0066951e540e2b80dc72d1d4a9400d4870834a8f919137eb7a39746e9a2e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling wayland-sys v0.28.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling wayland-scanner v0.28.1
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking wayland-commons v0.28.1
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]    Compiling async-executor v1.3.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling wayland-client v0.28.1
[INFO] [stderr]    Compiling wayland-protocols v0.28.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking wayland-cursor v0.28.1
[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-1.0.48/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"' --cfg 'feature="visit-mut"' -C metadata=179644c7e3882336 -C extra-filename=-179644c7e3882336 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-db256853d8ab4a1e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ade5fbeeb7bccbe4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b888af50774a486c.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] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fdd0066951e540e2b80dc72d1d4a9400d4870834a8f919137eb7a39746e9a2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd0066951e540e2b80dc72d1d4a9400d4870834a8f919137eb7a39746e9a2e4", kill_on_drop: false }`
[INFO] [stdout] fdd0066951e540e2b80dc72d1d4a9400d4870834a8f919137eb7a39746e9a2e4