[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#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffexolm%2Fjfec" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fexolm/jfec on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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-0/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] 78598f340614860e89d0f59b6bded66c827b5ef8edafe552ee2edce0238a960f [INFO] running `"docker" "start" "-a" "78598f340614860e89d0f59b6bded66c827b5ef8edafe552ee2edce0238a960f"` [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling regex v1.1.5 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Checking cast v0.1.0 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Compiling pest v2.1.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Checking simplelog v0.4.4 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking criterion-plot v0.1.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking criterion-stats v0.1.3 [INFO] [stderr] Compiling pest_meta v2.1.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling llvm-sys v70.1.0 [INFO] [stderr] Checking failure v0.1.5 [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-eb96fecc78a6de34/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: 0x55b2be416298 - backtrace::backtrace::libunwind::trace::hdec022fb119dd06d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55b2be416298 - backtrace::backtrace::trace_unsynchronized::h1f309365306cc260 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b2be416298 - std::sys_common::backtrace::_print_fmt::hedd348b4f893987a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55b2be416298 - ::fmt::h381b96a3f9ce8032 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55b2be436ffc - core::fmt::write::he5b6a663f8bc9f46 [INFO] [stderr] at src/libcore/fmt/mod.rs:1052 [INFO] [stderr] 5: 0x55b2be412357 - std::io::Write::write_fmt::h39edd6a910b76376 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x55b2be418b35 - std::sys_common::backtrace::_print::hecbfa51643b1d1b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55b2be418b35 - std::sys_common::backtrace::print::he854cdfad1b40844 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55b2be418b35 - std::panicking::default_hook::{{closure}}::h590c45dbd8599059 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x55b2be418876 - std::panicking::default_hook::h6b14cee906df5ae9 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x55b2be419192 - std::panicking::rust_panic_with_hook::h845de504d308e21c [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x55b2be39707b - std::panicking::begin_panic::hacd97c6c6488efd8 [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/panicking.rs:397 [INFO] [stderr] 12: 0x55b2be19c60c - ::deref::__static_ref_initialize::h0e7fb972cd1f9e30 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:73 [INFO] [stderr] 13: 0x55b2be19c60c - core::ops::function::FnOnce::call_once::h454cfc76e7f0c31f [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libcore/ops/function.rs:232 [INFO] [stderr] 14: 0x55b2be1a5470 - lazy_static::lazy::Lazy::get::{{closure}}::h59ea5cded32cf748 [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: 0x55b2be199cb7 - std::sync::once::Once::call_once::{{closure}}::h8db8fe19a1243978 [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/sync/once.rs:264 [INFO] [stderr] 16: 0x55b2be415db8 - std::sync::once::Once::call_inner::hce0ddaf17fc44c0b [INFO] [stderr] at src/libstd/sync/once.rs:417 [INFO] [stderr] 17: 0x55b2be199b33 - std::sync::once::Once::call_once::ha93ffc6dc5cf4ddd [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/sync/once.rs:264 [INFO] [stderr] 18: 0x55b2be1972c5 - lazy_static::lazy::Lazy::get::h764df16ebbb631a4 [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: 0x55b2be1972c5 - ::deref::__stability::h8a3a5475aebc097f [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: 0x55b2be1972c5 - ::deref::hf164c79bf7eaa936 [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: 0x55b2be194c6a - build_script_build::llvm_config::h3a90b704b3ff09cf [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:167 [INFO] [stderr] 22: 0x55b2be196140 - build_script_build::get_llvm_cflags::h122605e2dd6ec91f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:273 [INFO] [stderr] 23: 0x55b2be196534 - build_script_build::main::h906486ee934432e7 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:300 [INFO] [stderr] 24: 0x55b2be1a6590 - std::rt::lang_start::{{closure}}::h1c7e27b10c8e6085 [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/rt.rs:67 [INFO] [stderr] 25: 0x55b2be418c53 - std::rt::lang_start_internal::{{closure}}::h79efcdb1c4a7311a [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 26: 0x55b2be418c53 - std::panicking::try::do_call::h8837c722d8d26052 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 27: 0x55b2be4215b7 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 28: 0x55b2be419639 - std::panicking::try::h6df407c9e373308b [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 29: 0x55b2be419639 - std::panic::catch_unwind::hb93a3e23c13dcc76 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 30: 0x55b2be419639 - std::rt::lang_start_internal::h0eeb85a0fe3bba7b [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 31: 0x55b2be1a6569 - std::rt::lang_start::h53425d1e47df93fa [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/rt.rs:67 [INFO] [stderr] 32: 0x55b2be19735a - main [INFO] [stderr] 33: 0x7f5e8f8a4b97 - __libc_start_main [INFO] [stderr] 34: 0x55b2be19375a - _start [INFO] [stderr] 35: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "78598f340614860e89d0f59b6bded66c827b5ef8edafe552ee2edce0238a960f"` [INFO] running `"docker" "rm" "-f" "78598f340614860e89d0f59b6bded66c827b5ef8edafe552ee2edce0238a960f"` [INFO] [stdout] 78598f340614860e89d0f59b6bded66c827b5ef8edafe552ee2edce0238a960f