[INFO] updating cached repository https://github.com/HappyDustbunny/fern
[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] c1269b509f8759110724eb87fadacd4081d82dae
[INFO] testing HappyDustbunny/fern against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHappyDustbunny%2Ffern" "/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/HappyDustbunny/fern 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/HappyDustbunny/fern
[INFO] finished tweaking git repo https://github.com/HappyDustbunny/fern
[INFO] tweaked toml for git repo https://github.com/HappyDustbunny/fern written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/HappyDustbunny/fern 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] 49c65325a3fa012be1b4a09b6ed69060c2bc33e84c0fcf366d48a66149c6c7d0
[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" "49c65325a3fa012be1b4a09b6ed69060c2bc33e84c0fcf366d48a66149c6c7d0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling vulkano v0.13.0
[INFO] [stderr]    Compiling vk-sys v0.4.0
[INFO] [stderr]    Compiling instant v0.1.1
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling conrod_winit v0.66.0
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling pennereq v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling daggy v0.6.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr] error: could not compile `vulkano`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name vulkano /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vulkano-0.13.0/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 -C metadata=98516824b154b582 -C extra-filename=-98516824b154b582 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-0d6fd00ba9846746.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-18c63eb7d27d11b7.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-b3ed367a3c7dfa24.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-6d2e4566366293b5.rmeta --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-455e7bb7f4e8f4f8.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-43702341e82bdadb.rmeta --extern vk_sys=/opt/rustwide/target/debug/deps/libvk_sys-4a0bb92e3b464cbc.rmeta --cap-lints allow --cap-lints=warn` (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: Pre-built library not found.  Falling back to from-source build
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "49c65325a3fa012be1b4a09b6ed69060c2bc33e84c0fcf366d48a66149c6c7d0"`
[INFO] running `"docker" "rm" "-f" "49c65325a3fa012be1b4a09b6ed69060c2bc33e84c0fcf366d48a66149c6c7d0"`
[INFO] [stdout] 49c65325a3fa012be1b4a09b6ed69060c2bc33e84c0fcf366d48a66149c6c7d0