[INFO] fetching crate azul-webrender 0.61.0...
[INFO] checking azul-webrender-0.61.0 against beta for pr-78714
[INFO] extracting crate azul-webrender 0.61.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate azul-webrender 0.61.0 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 crates.io crate azul-webrender 0.61.0
[INFO] finished tweaking crates.io crate azul-webrender 0.61.0
[INFO] tweaked toml for crates.io crate azul-webrender 0.61.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded azul-webrender-api v0.61.0
[INFO] [stderr]   Downloaded azul-webrender-build v0.0.1
[INFO] [stderr]   Downloaded cstr-macros v0.1.6
[INFO] [stderr]   Downloaded ron v0.1.7
[INFO] [stderr]   Downloaded tracy-rs v0.1.2
[INFO] [stderr]   Downloaded cstr v0.1.7
[INFO] [stderr]   Downloaded binary-space-partition v0.1.2
[INFO] [stderr]   Downloaded minidl v0.1.0
[INFO] [stderr]   Downloaded plane-split v0.15.0
[INFO] [stderr]   Downloaded mozangle v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e644afede03a619734bb9ddee60b1bef981bb44bb0da96f82ed31a135592301e
[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" "e644afede03a619734bb9ddee60b1bef981bb44bb0da96f82ed31a135592301e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e644afede03a619734bb9ddee60b1bef981bb44bb0da96f82ed31a135592301e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e644afede03a619734bb9ddee60b1bef981bb44bb0da96f82ed31a135592301e", kill_on_drop: false }`
[INFO] [stdout] e644afede03a619734bb9ddee60b1bef981bb44bb0da96f82ed31a135592301e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 115720fe64f2fb76173903fd4614387c807efad5bd569079899931b55144c8b5
[INFO] running `Command { std: "docker" "start" "-a" "115720fe64f2fb76173903fd4614387c807efad5bd569079899931b55144c8b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]     Checking tracy-rs v0.1.2
[INFO] [stderr]     Checking svg_fmt v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking azul-webrender-build v0.0.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling azul-webrender v0.61.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling gl_generator v0.14.0
[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 crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling mozangle v0.3.1
[INFO] [stderr]    Compiling gleam v0.11.0
[INFO] [stderr]     Checking freetype v0.4.1
[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,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=f73887003aa67d08 -C extra-filename=-f73887003aa67d08 --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: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "115720fe64f2fb76173903fd4614387c807efad5bd569079899931b55144c8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115720fe64f2fb76173903fd4614387c807efad5bd569079899931b55144c8b5", kill_on_drop: false }`
[INFO] [stdout] 115720fe64f2fb76173903fd4614387c807efad5bd569079899931b55144c8b5