[INFO] updating cached repository https://github.com/fexolm/jfec [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] 6de42e1766324b065d6ef53eb278677017d115bc [INFO] checking fexolm/jfec against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffexolm%2Fjfec" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fexolm/jfec on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363 [INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/fexolm/jfec [INFO] finished tweaking git repo https://github.com/fexolm/jfec [INFO] tweaked toml for git repo https://github.com/fexolm/jfec written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/fexolm/jfec already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d0b1772c61a51c09dd7f43a8caa97c9ceef884a9a590bf7518b58aa5c538881a [INFO] running `"docker" "start" "-a" "d0b1772c61a51c09dd7f43a8caa97c9ceef884a9a590bf7518b58aa5c538881a"` [INFO] [stderr] Checking cast v0.1.0 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking simplelog v0.4.4 [INFO] [stderr] Compiling regex v1.1.5 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Checking criterion-stats v0.1.3 [INFO] [stderr] Checking criterion-plot v0.1.3 [INFO] [stderr] Checking criterion v0.1.2 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling llvm-sys v70.1.0 [INFO] [stderr] error: failed to run custom build command for `llvm-sys v70.1.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-db321b31a1bce615/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] Found LLVM version 6.0.0 on PATH, but need 7.0.0. [INFO] [stderr] Didn't find usable system-wide LLVM. [INFO] [stderr] No suitable version of LLVM was found system-wide or pointed [INFO] [stderr] to by LLVM_SYS_70_PREFIX. [INFO] [stderr] [INFO] [stderr] Consider using `llvmenv` to compile an appropriate copy of LLVM, and [INFO] [stderr] refer to the llvm-sys documentation for more information. [INFO] [stderr] [INFO] [stderr] llvm-sys: https://crates.io/crates/llvm-sys [INFO] [stderr] llvmenv: https://crates.io/crates/llvmenv [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Could not find a compatible version of LLVM', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:73:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5611be9a71f4 - backtrace::backtrace::libunwind::trace::h88f00a8d3895ea10 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5611be9a71f4 - backtrace::backtrace::trace_unsynchronized::h4ca1df924c7b5901 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5611be9a71f4 - std::sys_common::backtrace::_print_fmt::had352bd7b8affceb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:84 [INFO] [stderr] 3: 0x5611be9a71f4 - ::fmt::h4404b586f9ddad5f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x5611be9c762c - core::fmt::write::h1ef5ea597ad3e25e [INFO] [stderr] at src/libcore/fmt/mod.rs:1057 [INFO] [stderr] 5: 0x5611be9a3567 - std::io::Write::write_fmt::h5cbe88edfb9ad8f5 [INFO] [stderr] at src/libstd/io/mod.rs:1426 [INFO] [stderr] 6: 0x5611be9a945e - std::sys_common::backtrace::_print::h5d62b222153b0a57 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x5611be9a945e - std::sys_common::backtrace::print::hb580dac9bf29d123 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x5611be9a945e - std::panicking::default_hook::{{closure}}::h072d6b5ce4fd5ca1 [INFO] [stderr] at src/libstd/panicking.rs:193 [INFO] [stderr] 9: 0x5611be9a9151 - std::panicking::default_hook::hef4245424db77bd8 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x5611be9a9b3b - std::panicking::rust_panic_with_hook::hf59de39541dfae86 [INFO] [stderr] at src/libstd/panicking.rs:471 [INFO] [stderr] 11: 0x5611be9293d7 - std::panicking::begin_panic::h082428f318a2d41c [INFO] [stderr] at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/panicking.rs:404 [INFO] [stderr] 12: 0x5611be72c1ae - ::deref::__static_ref_initialize::hd4b48f6a5335685c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:73 [INFO] [stderr] 13: 0x5611be72c1ae - core::ops::function::FnOnce::call_once::hfc2aeec0d12cd4b6 [INFO] [stderr] at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libcore/ops/function.rs:232 [INFO] [stderr] 14: 0x5611be738920 - lazy_static::lazy::Lazy::get::{{closure}}::hd0b3ba5bab862656 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28 [INFO] [stderr] 15: 0x5611be72fdbd - std::sync::once::Once::call_once::{{closure}}::h1da99ae7bfe33d4f [INFO] [stderr] at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/sync/once.rs:264 [INFO] [stderr] 16: 0x5611be9a6d01 - std::sync::once::Once::call_inner::h3a5fedb1cb161958 [INFO] [stderr] at src/libstd/sync/once.rs:417 [INFO] [stderr] 17: 0x5611be72fb93 - std::sync::once::Once::call_once::h30d6c785f148c661 [INFO] [stderr] at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/sync/once.rs:264 [INFO] [stderr] 18: 0x5611be728a65 - lazy_static::lazy::Lazy::get::h9c63261cd73be1d5 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27 [INFO] [stderr] 19: 0x5611be728a65 - ::deref::__stability::hd02fd75be31135ea [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/<::lazy_static::__lazy_static_internal macros>:16 [INFO] [stderr] 20: 0x5611be728a65 - ::deref::hfd78dedd1e00836f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/<::lazy_static::__lazy_static_internal macros>:18 [INFO] [stderr] 21: 0x5611be72652a - build_script_build::llvm_config::h1bedfe2bb5a3c841 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:167 [INFO] [stderr] 22: 0x5611be727970 - build_script_build::get_llvm_cflags::h3ed114bca0c6dfec [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:273 [INFO] [stderr] 23: 0x5611be727d44 - build_script_build::main::h57ba0377ef30424b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:300 [INFO] [stderr] 24: 0x5611be72b170 - std::rt::lang_start::{{closure}}::ha41383b2a7ad76a8 [INFO] [stderr] at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/rt.rs:67 [INFO] [stderr] 25: 0x5611be9a9583 - std::rt::lang_start_internal::{{closure}}::he22b4dc136dfc0c4 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 26: 0x5611be9a9583 - std::panicking::try::do_call::heddd39178d6a1b25 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 27: 0x5611be9b1dca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:78 [INFO] [stderr] 28: 0x5611be9a9fd0 - std::panicking::try::h683b5635b76ee763 [INFO] [stderr] at src/libstd/panicking.rs:270 [INFO] [stderr] 29: 0x5611be9a9fd0 - std::panic::catch_unwind::h9540defe988edc8c [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 30: 0x5611be9a9fd0 - std::rt::lang_start_internal::hdc41c8ad82b2f2e3 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 31: 0x5611be72b149 - std::rt::lang_start::hb536598cb2f68801 [INFO] [stderr] at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/rt.rs:67 [INFO] [stderr] 32: 0x5611be728b0a - main [INFO] [stderr] 33: 0x7f3ff6128b97 - __libc_start_main [INFO] [stderr] 34: 0x5611be7250ca - _start [INFO] [stderr] 35: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "d0b1772c61a51c09dd7f43a8caa97c9ceef884a9a590bf7518b58aa5c538881a"` [INFO] running `"docker" "rm" "-f" "d0b1772c61a51c09dd7f43a8caa97c9ceef884a9a590bf7518b58aa5c538881a"` [INFO] [stdout] d0b1772c61a51c09dd7f43a8caa97c9ceef884a9a590bf7518b58aa5c538881a