[INFO] fetching crate weld 0.4.0...
[INFO] building weld-0.4.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate weld 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate weld 0.4.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a83971630b441c658966e0eaec4aa2ad00a718455d102c1789c5381dd56d17e7
[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" "a83971630b441c658966e0eaec4aa2ad00a718455d102c1789c5381dd56d17e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a83971630b441c658966e0eaec4aa2ad00a718455d102c1789c5381dd56d17e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83971630b441c658966e0eaec4aa2ad00a718455d102c1789c5381dd56d17e7", kill_on_drop: false }`
[INFO] [stdout] a83971630b441c658966e0eaec4aa2ad00a718455d102c1789c5381dd56d17e7
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae626791b43ff785de8e8dd760ada4edd7f10b9c501d5e4c9bbd799504a302b3
[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" "ae626791b43ff785de8e8dd760ada4edd7f10b9c501d5e4c9bbd799504a302b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling weld v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling 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-99c0722330382aae/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:     0x56402ad87c00 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56402ad87c00 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56402ad87c00 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56402ad87c00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56402ada554f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x56402ad85965 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x56402ad8983b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56402ad8983b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56402ad8983b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56402ad8931d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56402ad89ded - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x56402ad899b7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x56402ad880bc - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56402ad89949 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x56402ad6b1b1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56402ad6b0fd - core::panicking::panic::h3de4db67bd397eb3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x56402ad73f03 - build_script_build::build_llvmext::haafb56b3be36a75e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:41:5
[INFO] [stderr]     17:     0x56402ad740f3 - build_script_build::main::h86257e9bead84bfb
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:58:5
[INFO] [stderr]     18:     0x56402ad7227b - core::ops::function::FnOnce::call_once::h403c65534fa59b7e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x56402ad6f58e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0784cee54c4765c3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x56402ad6e8f1 - std::rt::lang_start::{{closure}}::h6e14d0016d227f24
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x56402ad8a1ea - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x56402ad8a1ea - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x56402ad8a1ea - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x56402ad8a1ea - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x56402ad8a1ea - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x56402ad6e8d0 - std::rt::lang_start::hb985c9561aa943bb
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x56402ad7414c - main
[INFO] [stderr]     28:     0x7f95b49c10b3 - __libc_start_main
[INFO] [stderr]     29:     0x56402ad6b8ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ae626791b43ff785de8e8dd760ada4edd7f10b9c501d5e4c9bbd799504a302b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae626791b43ff785de8e8dd760ada4edd7f10b9c501d5e4c9bbd799504a302b3", kill_on_drop: false }`
[INFO] [stdout] ae626791b43ff785de8e8dd760ada4edd7f10b9c501d5e4c9bbd799504a302b3
