[INFO] updating cached repository mattjquinn/jcompiler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mattjquinn/jcompiler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mattjquinn/jcompiler" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattjquinn/jcompiler"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattjquinn/jcompiler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mattjquinn/jcompiler" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattjquinn/jcompiler"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattjquinn/jcompiler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6bfc9258766f66c7afca7e9e1cc71fae89144ef1 [INFO] sha for GitHub repo mattjquinn/jcompiler: 6bfc9258766f66c7afca7e9e1cc71fae89144ef1 [INFO] validating manifest of mattjquinn/jcompiler on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mattjquinn/jcompiler on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mattjquinn/jcompiler [INFO] finished frobbing mattjquinn/jcompiler [INFO] frobbed toml for mattjquinn/jcompiler written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattjquinn/jcompiler/Cargo.toml [INFO] started frobbing mattjquinn/jcompiler [INFO] finished frobbing mattjquinn/jcompiler [INFO] frobbed toml for mattjquinn/jcompiler written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattjquinn/jcompiler/Cargo.toml [INFO] crate mattjquinn/jcompiler already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mattjquinn/jcompiler against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattjquinn/jcompiler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0e0bf4acbbe13c0641d8bb73718fd12922e33b30776e57e2166a83bb45ef0dff [INFO] running `"docker" "start" "-a" "0e0bf4acbbe13c0641d8bb73718fd12922e33b30776e57e2166a83bb45ef0dff"` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling cc v1.0.29 [INFO] [stderr] Checking regex-syntax v0.3.4 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking itertools v0.4.18 [INFO] [stderr] Checking matches v0.1.2 [INFO] [stderr] Checking getopts v0.2.14 [INFO] [stderr] Checking ascii v0.9.1 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33 [INFO] [stderr] | [INFO] [stderr] 955 | let mut machine = |cont: &mut bool, (i, c): (usize, char)| { [INFO] [stderr] | ---------------------------------------- borrow of `state` occurs here [INFO] [stderr] ... [INFO] [stderr] 959 | state = match (state, whitespace, limit) { [INFO] [stderr] | ----- borrow occurs due to use of `state` in closure [INFO] [stderr] ... [INFO] [stderr] 1008 | while cont && match state { B | C => true, A => false } { [INFO] [stderr] | ^ use of borrowed `state` [INFO] [stderr] 1009 | machine(&mut cont, (fake_i, ' ')); [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling pest v2.1.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling tempfile v2.1.4 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking aho-corasick v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking tinytemplate v1.0.1 [INFO] [stderr] Checking criterion-plot v0.3.0 [INFO] [stderr] Checking thread_local v0.2.6 [INFO] [stderr] Compiling pest_meta v2.1.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking regex v0.1.73 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Checking env_logger v0.3.4 [INFO] [stderr] Checking quickcheck v0.3.1 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling llvm-sys v70.1.0 [INFO] [stderr] Checking criterion v0.2.10 [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/crater/target/debug/build/llvm-sys-454101d3b1ad5958/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] Found LLVM version 3.8.0 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:73:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560ba56a6f4b - backtrace::backtrace::libunwind::trace::h098b67cd5ecf24d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x560ba56a6f4b - backtrace::backtrace::trace_unsynchronized::h41f8ecb0b6b75123 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x560ba56a6f4b - std::sys_common::backtrace::_print::h6bdd5779472ab8c6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x560ba56a6f4b - std::sys_common::backtrace::print::h535418cbcfd3b064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x560ba56a6f4b - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x560ba56a6c26 - std::panicking::default_hook::h39b428958abf2606 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x560ba56a76bd - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x560ba5654845 - std::panicking::begin_panic::h570e93c2e3b53513 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x560ba54355a3 - ::deref::__static_ref_initialize::h629545c5f548b678 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:73 [INFO] [stderr] 9: 0x560ba54355a3 - core::ops::function::FnOnce::call_once::hb64034b351686188 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libcore/ops/function.rs:235 [INFO] [stderr] 10: 0x560ba543396f - lazy_static::lazy::Lazy::get::{{closure}}::h65db3dde88453eb0 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.2.0/src/inline_lazy.rs:28 [INFO] [stderr] 11: 0x560ba543881b - std::sync::once::Once::call_once::{{closure}}::hcd7e80feee50b16c [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/sync/once.rs:225 [INFO] [stderr] 12: 0x560ba56a4288 - std::sync::once::Once::call_inner::h3f37b66baa8ee4e9 [INFO] [stderr] at src/libstd/sync/once.rs:392 [INFO] [stderr] 13: 0x560ba5438673 - std::sync::once::Once::call_once::h59c0db6f55dc7a5e [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/sync/once.rs:225 [INFO] [stderr] 14: 0x560ba542ef85 - lazy_static::lazy::Lazy::get::he84ca834b7bc4e68 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.2.0/src/inline_lazy.rs:27 [INFO] [stderr] 15: 0x560ba542ef85 - ::deref::__stability::hf33e39ab6599bc5c [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/<::lazy_static::__lazy_static_internal macros>:17 [INFO] [stderr] 16: 0x560ba542ef85 - ::deref::h8796b2992d4bb864 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/<::lazy_static::__lazy_static_internal macros>:19 [INFO] [stderr] 17: 0x560ba542c84a - build_script_build::llvm_config::h13501b6e2d8873fd [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:167 [INFO] [stderr] 18: 0x560ba542dec0 - build_script_build::get_llvm_cflags::h7c6325f6b34ecb37 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:273 [INFO] [stderr] 19: 0x560ba542e2be - build_script_build::main::hf2521572e0a83a30 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:300 [INFO] [stderr] 20: 0x560ba5433a60 - std::rt::lang_start::{{closure}}::h2594141ac9f3af6c [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x560ba56a70c3 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 22: 0x560ba56a70c3 - std::panicking::try::do_call::h23b1282500223f6a [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 23: 0x560ba56af7da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 24: 0x560ba56a7bcd - std::panicking::try::hf851d9cd2a46569f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 25: 0x560ba56a7bcd - std::panic::catch_unwind::h38ad47fd47b8a319 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 26: 0x560ba56a7bcd - std::rt::lang_start_internal::h8489a7c3e11328c4 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 27: 0x560ba5433a39 - std::rt::lang_start::h23dd5e5b41727ce4 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64 [INFO] [stderr] 28: 0x560ba542f00a - main [INFO] [stderr] 29: 0x7ffbb9eeb2e1 - __libc_start_main [INFO] [stderr] 30: 0x560ba542b4fa - _start [INFO] [stderr] 31: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "0e0bf4acbbe13c0641d8bb73718fd12922e33b30776e57e2166a83bb45ef0dff"` [INFO] running `"docker" "rm" "-f" "0e0bf4acbbe13c0641d8bb73718fd12922e33b30776e57e2166a83bb45ef0dff"` [INFO] [stdout] 0e0bf4acbbe13c0641d8bb73718fd12922e33b30776e57e2166a83bb45ef0dff