[INFO] fetching crate arcon 0.1.3... [INFO] testing arcon-0.1.3 against 1.49.0 for beta-1.50-1 [INFO] extracting crate arcon 0.1.3 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate arcon 0.1.3 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate arcon 0.1.3 [INFO] finished tweaking crates.io crate arcon 0.1.3 [INFO] tweaked toml for crates.io crate arcon 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c80bc9558c3ad37aeb7acebf20df40a553b2010fdbfa0917573335763b17aef9 [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" "c80bc9558c3ad37aeb7acebf20df40a553b2010fdbfa0917573335763b17aef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c80bc9558c3ad37aeb7acebf20df40a553b2010fdbfa0917573335763b17aef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c80bc9558c3ad37aeb7acebf20df40a553b2010fdbfa0917573335763b17aef9", kill_on_drop: false }` [INFO] [stdout] c80bc9558c3ad37aeb7acebf20df40a553b2010fdbfa0917573335763b17aef9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a41e0ee1b8a2aff9a7e22a8b9f13b513f490250a10ea1888ad62065ef37311d [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" "2a41e0ee1b8a2aff9a7e22a8b9f13b513f490250a10ea1888ad62065ef37311d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling protobuf v2.18.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling crossbeam v0.3.2 [INFO] [stderr] Compiling arc-swap v0.3.11 [INFO] [stderr] Compiling bitfields v0.2.0 [INFO] [stderr] Compiling oncemutex v0.1.1 [INFO] [stderr] Compiling as_num v0.2.5 [INFO] [stderr] Compiling sequence_trie v0.3.6 [INFO] [stderr] Compiling weld v0.3.1 [INFO] [stderr] Compiling arcon_error v0.1.1 [INFO] [stderr] Compiling arcon_extra v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling synchronoise v0.4.0 [INFO] [stderr] Compiling arcon_backend v0.1.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling synchronoise v1.0.0 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling spaniel v0.1.0 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling slog-term v2.6.0 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling slog-async v2.5.0 [INFO] [stderr] Compiling tokio-retry v0.2.0 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling executors v0.4.4 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling protobuf-codegen v2.18.1 [INFO] [stderr] Compiling llvm-sys v60.6.0 [INFO] [stderr] error: failed to run custom build command for `weld v0.3.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/weld-1c6c40239277155b/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rustc-env=BUILD_ID= [INFO] [stderr] cargo:rustc-link-lib=dylib=stdc++ [INFO] [stderr] make: Entering directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/weld-0.3.1/llvmext' [INFO] [stderr] clang++-10.0 -O3 -fno-use-cxa-atexit -I/usr/lib/llvm-10/include -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/usr/lib/llvm-10/include -std=c++14 -fno-exceptions -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -c llvmext.cpp -o /opt/rustwide/target/debug/build/weld-0e24f2f29282db40/out/llvmext.o [INFO] [stderr] make: Leaving directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/weld-0.3.1/llvmext' [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] make: clang++-10.0: Command not found [INFO] [stderr] make: *** [Makefile:26: llvmext.o] Error 127 [INFO] [stderr] thread 'main' panicked at 'assertion failed: status.success()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/weld-0.3.1/build.rs:41:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556f962976f0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x556f962976f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x556f962976f0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x556f962976f0 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x556f962b4eac - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x556f96294d52 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x556f96299855 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x556f96299855 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x556f96299855 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x556f962994f8 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x556f96299f91 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x556f9627f9ca - std::panicking::begin_panic::{{closure}}::h62dfac72d236d1b0 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:522:9 [INFO] [stderr] 12: 0x556f96280fe8 - std::sys_common::backtrace::__rust_end_short_backtrace::h3a16e329bdc15c25 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x556f9627f907 - std::panicking::begin_panic::hf9e60a85d23e024e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:521:12 [INFO] [stderr] 14: 0x556f9627f5a3 - build_script_build::build_llvmext::h0f9cb053f38101ec [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/weld-0.3.1/build.rs:41:5 [INFO] [stderr] 15: 0x556f9627f773 - build_script_build::main::hd6f744d287186de6 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/weld-0.3.1/build.rs:58:5 [INFO] [stderr] 16: 0x556f96278b5b - core::ops::function::FnOnce::call_once::h6c6081ff3182de4d [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 17: 0x556f9628101e - std::sys_common::backtrace::__rust_begin_short_backtrace::h16d1616d998ea129 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 18: 0x556f9627e521 - std::rt::lang_start::{{closure}}::hc5e9cbcade8d5228 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 19: 0x556f9629a3b7 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 20: 0x556f9629a3b7 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 21: 0x556f9629a3b7 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 22: 0x556f9629a3b7 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 23: 0x556f9629a3b7 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 24: 0x556f9627e4f7 - std::rt::lang_start::h07fcebd911a91618 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 25: 0x556f9627f7da - main [INFO] [stderr] 26: 0x7fdc090ed0b3 - __libc_start_main [INFO] [stderr] 27: 0x556f962750ae - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "2a41e0ee1b8a2aff9a7e22a8b9f13b513f490250a10ea1888ad62065ef37311d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a41e0ee1b8a2aff9a7e22a8b9f13b513f490250a10ea1888ad62065ef37311d", kill_on_drop: false }` [INFO] [stdout] 2a41e0ee1b8a2aff9a7e22a8b9f13b513f490250a10ea1888ad62065ef37311d