[INFO] crate caldera 0.2.0 is already in cache
[INFO] testing caldera-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate caldera 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate caldera 0.2.0 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 crates.io crate caldera 0.2.0
[INFO] finished tweaking crates.io crate caldera 0.2.0
[INFO] tweaked toml for crates.io crate caldera 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate caldera 0.2.0 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f963600c7160ffafbd7e665c09e996677b31fd9af5b4cf91fdcdb442dfa5f78
[INFO] running `"docker" "start" "-a" "0f963600c7160ffafbd7e665c09e996677b31fd9af5b4cf91fdcdb442dfa5f78"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]    Compiling half v1.4.0
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling vk-sys v0.5.0
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling claxon v0.4.2
[INFO] [stderr]    Compiling json v0.12.0
[INFO] [stderr]    Compiling splines v3.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling curl-sys v0.4.23
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling freetype-sys v0.9.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling stb_truetype v0.3.0
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling glib v0.8.2
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr] error: could not compile `dbus`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name dbus /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dbus-0.6.5/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=c132a04d3dfbe1a1 -C extra-filename=-c132a04d3dfbe1a1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-70a8baaa89f21cfb.rmeta --extern libdbus_sys=/opt/rustwide/target/debug/deps/liblibdbus_sys-e395db9693916592.rmeta --cap-lints allow --cap-lints=warn -L native=/usr/lib/x86_64-linux-gnu` (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" "0f963600c7160ffafbd7e665c09e996677b31fd9af5b4cf91fdcdb442dfa5f78"`
[INFO] running `"docker" "rm" "-f" "0f963600c7160ffafbd7e665c09e996677b31fd9af5b4cf91fdcdb442dfa5f78"`
[INFO] [stdout] 0f963600c7160ffafbd7e665c09e996677b31fd9af5b4cf91fdcdb442dfa5f78