[INFO] updating cached repository https://github.com/jamescarterbell/bloxel
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ad66502f6c0c9306403f2daa221fef795144196
[INFO] testing jamescarterbell/bloxel against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamescarterbell%2Fbloxel" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamescarterbell/bloxel on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jamescarterbell/bloxel
[INFO] finished tweaking git repo https://github.com/jamescarterbell/bloxel
[INFO] tweaked toml for git repo https://github.com/jamescarterbell/bloxel written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jamescarterbell/bloxel already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 9e367ce4dfae11be9ba2a5d5341c7d66b2ac90a4754e4f8f26353fd51857f2b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9e367ce4dfae11be9ba2a5d5341c7d66b2ac90a4754e4f8f26353fd51857f2b1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling synstructure v0.10.2
[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-0.15.42/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=c8ab332913cd2be7 -C extra-filename=-c8ab332913cd2be7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e8d604087a5f8a27.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c885c5656752cd50.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d0da9711214ecc52.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --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 `"docker" "inspect" "9e367ce4dfae11be9ba2a5d5341c7d66b2ac90a4754e4f8f26353fd51857f2b1"`
[INFO] running `"docker" "rm" "-f" "9e367ce4dfae11be9ba2a5d5341c7d66b2ac90a4754e4f8f26353fd51857f2b1"`
[INFO] [stdout] 9e367ce4dfae11be9ba2a5d5341c7d66b2ac90a4754e4f8f26353fd51857f2b1