[INFO] fetching crate weld 0.4.0... [INFO] checking weld-0.4.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate weld 0.4.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate weld 0.4.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate weld 0.4.0 [INFO] finished tweaking crates.io crate weld 0.4.0 [INFO] tweaked toml for crates.io crate weld 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v60.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 92f757d86e7af5f807dda6aa297d31361e3aae177a886fad180fdb0196b6f31b [INFO] running `Command { std: "docker" "start" "-a" "92f757d86e7af5f807dda6aa297d31361e3aae177a886fad180fdb0196b6f31b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92f757d86e7af5f807dda6aa297d31361e3aae177a886fad180fdb0196b6f31b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92f757d86e7af5f807dda6aa297d31361e3aae177a886fad180fdb0196b6f31b", kill_on_drop: false }` [INFO] [stdout] 92f757d86e7af5f807dda6aa297d31361e3aae177a886fad180fdb0196b6f31b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e738f163c486cd8ca59013250cd3857faa2994107236376f3be59242c3cb44d [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" "7e738f163c486cd8ca59013250cd3857faa2994107236376f3be59242c3cb44d", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling weld v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling llvm-sys v60.6.0 [INFO] [stderr] error: failed to run custom build command for `weld v0.4.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/weld-36da342a6bea7986/build-script-build` (exit status: 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/workdir/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-849f0d3c69303258/out/llvmext.o [INFO] [stderr] make: Leaving directory '/opt/rustwide/workdir/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()', build.rs:41:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556e28432d50 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x556e28432d50 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x556e28432d50 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x556e28432d50 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x556e2845067f - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x556e28430a45 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/io/mod.rs:1578:15 [INFO] [stderr] 6: 0x556e2843487b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x556e2843487b - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x556e2843487b - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x556e2843435d - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x556e28434e2d - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x556e284349f7 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:495:13 [INFO] [stderr] 12: 0x556e284331ec - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x556e28434989 - rust_begin_unwind [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x556e28415ff1 - core::panicking::panic_fmt::he3827412471ccbb1 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x556e28415f3d - core::panicking::panic::hc9da14adaf11eba7 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/panicking.rs:50:5 [INFO] [stderr] 16: 0x556e2841ebb3 - build_script_build::build_llvmext::haafb56b3be36a75e [INFO] [stderr] at /opt/rustwide/workdir/build.rs:41:5 [INFO] [stderr] 17: 0x556e2841eda3 - build_script_build::main::h86257e9bead84bfb [INFO] [stderr] at /opt/rustwide/workdir/build.rs:58:5 [INFO] [stderr] 18: 0x556e2841cfbb - core::ops::function::FnOnce::call_once::h4f8def042f917474 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x556e2841b6de - std::sys_common::backtrace::__rust_begin_short_backtrace::h2df52de08df78dc9 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x556e2841a211 - std::rt::lang_start::{{closure}}::h82b56f8f99360bd5 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x556e2843522a - core::ops::function::impls:: for &F>::call_once::hd5953dadf0bc8f54 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x556e2843522a - std::panicking::try::do_call::h23b369f1996fb7d4 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x556e2843522a - std::panicking::try::he017ee9ed6bce192 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x556e2843522a - std::panic::catch_unwind::hbfb892340a78b30d [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x556e2843522a - std::rt::lang_start_internal::hce6e4c0ce56abb51 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x556e2841a1f0 - std::rt::lang_start::h34c71653e4a919b7 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x556e2841edfc - main [INFO] [stderr] 28: 0x7f659372a0b3 - __libc_start_main [INFO] [stderr] 29: 0x556e284166ee - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7e738f163c486cd8ca59013250cd3857faa2994107236376f3be59242c3cb44d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e738f163c486cd8ca59013250cd3857faa2994107236376f3be59242c3cb44d", kill_on_drop: false }` [INFO] [stdout] 7e738f163c486cd8ca59013250cd3857faa2994107236376f3be59242c3cb44d