[INFO] cloning repository https://github.com/JLerxky/vulkano-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JLerxky/vulkano-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Fvulkano-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Fvulkano-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cc437c26a71f8afe6f953ff0ff67a6f64983c2fd [INFO] testing JLerxky/vulkano-learn against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Fvulkano-learn" "/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/JLerxky/vulkano-learn on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JLerxky/vulkano-learn [INFO] finished tweaking git repo https://github.com/JLerxky/vulkano-learn [INFO] tweaked toml for git repo https://github.com/JLerxky/vulkano-learn written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/JLerxky/vulkano-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f5b7046ccecfced139066263d1c01f6a8e15f169cfee030dcc92bdf3d46ee7c [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" "2f5b7046ccecfced139066263d1c01f6a8e15f169cfee030dcc92bdf3d46ee7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f5b7046ccecfced139066263d1c01f6a8e15f169cfee030dcc92bdf3d46ee7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f5b7046ccecfced139066263d1c01f6a8e15f169cfee030dcc92bdf3d46ee7c", kill_on_drop: false }` [INFO] [stdout] 2f5b7046ccecfced139066263d1c01f6a8e15f169cfee030dcc92bdf3d46ee7c [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 4df0f3490c7529d1cb9456737c855bff6eec7a385a07bbfef8f2a6d9022781cf [INFO] running `Command { std: "docker" "start" "-a" "4df0f3490c7529d1cb9456737c855bff6eec7a385a07bbfef8f2a6d9022781cf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling smallvec v1.6.0 [INFO] [stderr] Compiling syn v1.0.56 [INFO] [stderr] Compiling vulkano v0.20.0 [INFO] [stderr] Compiling weezl v0.1.3 [INFO] [stderr] Compiling vk-sys v0.5.3 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling libloading v0.6.6 [INFO] [stderr] Compiling wayland-sys v0.28.3 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling wayland-scanner v0.28.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling dlib v0.4.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling gif v0.11.1 [INFO] [stderr] Compiling shaderc-sys v0.6.3 [INFO] [stderr] Compiling wayland-client v0.28.3 [INFO] [stderr] Compiling wayland-protocols v0.28.3 [INFO] [stderr] Compiling xcursor v0.3.3 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.8.2 [INFO] [stderr] Compiling memmap2 v0.1.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling mio v0.6.23 [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-1.0.56/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"' -C metadata=eaf89e1d6af0bdd0 -C extra-filename=-eaf89e1d6af0bdd0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-17858077ac902bf7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6da9345f8173994c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4f4df54432f3a5d3.rmeta --cap-lints allow --cap-lints=warn --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" "4df0f3490c7529d1cb9456737c855bff6eec7a385a07bbfef8f2a6d9022781cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4df0f3490c7529d1cb9456737c855bff6eec7a385a07bbfef8f2a6d9022781cf", kill_on_drop: false }` [INFO] [stdout] 4df0f3490c7529d1cb9456737c855bff6eec7a385a07bbfef8f2a6d9022781cf