[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 try#662bf71cc5bbfe44a109ab5b7205e12ec319754c for pr-67531 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffexolm%2Fjfec" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fexolm/jfec on toolchain 662bf71cc5bbfe44a109ab5b7205e12ec319754c [INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "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-5/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" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "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] 6547ab23babdc4740f01c722ee717492be283fd174298be7191367b83c66fcdd [INFO] running `"docker" "start" "-a" "6547ab23babdc4740f01c722ee717492be283fd174298be7191367b83c66fcdd"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Checking simplelog v0.4.4 [INFO] [stderr] Compiling regex v1.1.5 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking criterion-stats v0.1.3 [INFO] [stderr] Checking criterion-plot v0.1.3 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [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-fa6f97ebc1841d62/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: 0x558249591874 - backtrace::backtrace::libunwind::trace::hd42437fd62966669 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558249591874 - backtrace::backtrace::trace_unsynchronized::h0ae20d5385defeb5 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558249591874 - std::sys_common::backtrace::_print_fmt::h894a1bdf0a2dfa40 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:84 [INFO] [stderr] 3: 0x558249591874 - ::fmt::hddc3494f848f9e38 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x5582495b1cac - core::fmt::write::h82684cbacf4572fd [INFO] [stderr] at src/libcore/fmt/mod.rs:1057 [INFO] [stderr] 5: 0x55824958dbe7 - std::io::Write::write_fmt::h4bd3be855b331f66 [INFO] [stderr] at src/libstd/io/mod.rs:1426 [INFO] [stderr] 6: 0x558249593ade - std::sys_common::backtrace::_print::hdadd72de21a0032c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x558249593ade - std::sys_common::backtrace::print::hc9a2260feb2dd213 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x558249593ade - std::panicking::default_hook::{{closure}}::hfac9dc1510e753c1 [INFO] [stderr] at src/libstd/panicking.rs:193 [INFO] [stderr] 9: 0x5582495937d1 - std::panicking::default_hook::hc7eafbac653c9df8 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x5582495941bb - std::panicking::rust_panic_with_hook::h329f267bfc6e2a08 [INFO] [stderr] at src/libstd/panicking.rs:471 [INFO] [stderr] 11: 0x5582494cfbd7 - std::panicking::begin_panic::hdb926fbefca91369 [INFO] [stderr] at /rustc/662bf71cc5bbfe44a109ab5b7205e12ec319754c/src/libstd/panicking.rs:404 [INFO] [stderr] 12: 0x5582493186be - ::deref::__static_ref_initialize::h1711047026d50d07 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:73 [INFO] [stderr] 13: 0x5582493186be - core::ops::function::FnOnce::call_once::h5dd73745c0b952b3 [INFO] [stderr] at /rustc/662bf71cc5bbfe44a109ab5b7205e12ec319754c/src/libcore/ops/function.rs:232 [INFO] [stderr] 14: 0x5582493253b0 - lazy_static::lazy::Lazy::get::{{closure}}::h151ad4df1302f6d7 [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: 0x55824931c7fd - std::sync::once::Once::call_once::{{closure}}::h2cb59e34d213a479 [INFO] [stderr] at /rustc/662bf71cc5bbfe44a109ab5b7205e12ec319754c/src/libstd/sync/once.rs:264 [INFO] [stderr] 16: 0x558249591381 - std::sync::once::Once::call_inner::h57505a8d61adf1c4 [INFO] [stderr] at src/libstd/sync/once.rs:417 [INFO] [stderr] 17: 0x55824931c623 - std::sync::once::Once::call_once::hc150eb7af203946b [INFO] [stderr] at /rustc/662bf71cc5bbfe44a109ab5b7205e12ec319754c/src/libstd/sync/once.rs:264 [INFO] [stderr] 18: 0x5582493154f5 - lazy_static::lazy::Lazy::get::h20ab4b676ab50bb4 [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: 0x5582493154f5 - ::deref::__stability::hb8db9523a7aa64ec [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: 0x5582493154f5 - ::deref::h5b6b4f4212554607 [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: 0x558249312fba - build_script_build::llvm_config::hfaf8d37dc47570e4 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:167 [INFO] [stderr] 22: 0x558249314400 - build_script_build::get_llvm_cflags::h301d4b4f66220abc [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:273 [INFO] [stderr] 23: 0x5582493147d4 - build_script_build::main::hdafb90a80f9d2a9d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:300 [INFO] [stderr] 24: 0x558249317c00 - std::rt::lang_start::{{closure}}::he181f6825edf2d40 [INFO] [stderr] at /rustc/662bf71cc5bbfe44a109ab5b7205e12ec319754c/src/libstd/rt.rs:67 [INFO] [stderr] 25: 0x558249593c03 - std::rt::lang_start_internal::{{closure}}::hbb1b07b87d5f3ad5 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 26: 0x558249593c03 - std::panicking::try::do_call::h6e19ab244d86783a [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 27: 0x55824959c44a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:78 [INFO] [stderr] 28: 0x558249594650 - std::panicking::try::hdd1b28af511821c4 [INFO] [stderr] at src/libstd/panicking.rs:270 [INFO] [stderr] 29: 0x558249594650 - std::panic::catch_unwind::h25a12636be762420 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 30: 0x558249594650 - std::rt::lang_start_internal::ha1533bbeabcd97f0 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 31: 0x558249317bd9 - std::rt::lang_start::hfbc33316394aeb80 [INFO] [stderr] at /rustc/662bf71cc5bbfe44a109ab5b7205e12ec319754c/src/libstd/rt.rs:67 [INFO] [stderr] 32: 0x55824931559a - main [INFO] [stderr] 33: 0x7fd6c8ffab97 - __libc_start_main [INFO] [stderr] 34: 0x558249311b5a - _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" "6547ab23babdc4740f01c722ee717492be283fd174298be7191367b83c66fcdd"` [INFO] running `"docker" "rm" "-f" "6547ab23babdc4740f01c722ee717492be283fd174298be7191367b83c66fcdd"` [INFO] [stdout] 6547ab23babdc4740f01c722ee717492be283fd174298be7191367b83c66fcdd