[INFO] updating cached repository jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 410ff2d39392ca81728bbc3bf853f10ed3de2580
[INFO] sha for GitHub repo jayphelps/using-llvm-from-rust-to-generate-webassembly: 410ff2d39392ca81728bbc3bf853f10ed3de2580
[INFO] validating manifest of jayphelps/using-llvm-from-rust-to-generate-webassembly on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jayphelps/using-llvm-from-rust-to-generate-webassembly on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] finished frobbing jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] frobbed toml for jayphelps/using-llvm-from-rust-to-generate-webassembly written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly/Cargo.toml
[INFO] started frobbing jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] finished frobbing jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] frobbed toml for jayphelps/using-llvm-from-rust-to-generate-webassembly written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly/Cargo.toml
[INFO] crate jayphelps/using-llvm-from-rust-to-generate-webassembly already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jayphelps/using-llvm-from-rust-to-generate-webassembly against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/jayphelps/using-llvm-from-rust-to-generate-webassembly:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 559e8cd4a9465b1a9d9bceab35b68c8b6398e05c99246ae77d6255032dd78e08
[INFO] running `"docker" "start" "-a" "559e8cd4a9465b1a9d9bceab35b68c8b6398e05c99246ae77d6255032dd78e08"`
[INFO] [stderr]    Compiling llvm-sys v60.0.2
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v60.0.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-76c72c4b2ab61b70/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 6.0.2.
[INFO] [stderr] Didn't find usable system-wide LLVM.
[INFO] [stderr] LLVM_SYS_60_PREFIX not set, not using precompiled binaries
[INFO] [stderr] LLVM_SYS_60_AUTOBUILD not set, will not automatically compile LLVM
[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-60.0.2/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55dcd83cf8ab - backtrace::backtrace::libunwind::trace::h80786597adfabf72
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55dcd83cf8ab - backtrace::backtrace::trace_unsynchronized::hcac650387ca20819
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55dcd83cf8ab - std::sys_common::backtrace::_print::h1b9354ff68cb5a2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55dcd83cf8ab - std::sys_common::backtrace::print::hee32569be499cf66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55dcd83cf8ab - std::panicking::default_hook::{{closure}}::h57d4a5a18212e6c4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55dcd83cf586 - std::panicking::default_hook::h6b5ac8e0c8ee81de
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55dcd83d001d - std::panicking::rust_panic_with_hook::h087293a0d0382d86
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55dcd8345ed5 - std::panicking::begin_panic::h77c05294385e02d0
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x55dcd81b02f2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hf53811f1122ef3c2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.0.2/build.rs:77
[INFO] [stderr]    9:     0x55dcd81b02f2 - core::ops::function::FnOnce::call_once::h7a01f6c4fa43eac2
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x55dcd81aed73 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h4272fc7eaffeedba
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.0/src/lazy.rs:24
[INFO] [stderr]   11:     0x55dcd81af06b - std::sync::once::Once::call_once::{{closure}}::ha1031035f2c225f8
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x55dcd83ccbe8 - std::sync::once::Once::call_inner::hb1100935d10d6bf5
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x55dcd81aefb3 - std::sync::once::Once::call_once::h7389fcdf8dc45ca9
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x55dcd81ac811 - lazy_static::lazy::Lazy<T>::get::h885b13c23edabb8e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.0/src/lazy.rs:23
[INFO] [stderr]   15:     0x55dcd81ac811 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hd6ca7718c830326d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.0.2/<::lazy_static::__lazy_static_internal macros>:20
[INFO] [stderr]   16:     0x55dcd81ac811 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hb1f8dea3a6df49eb
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.0.2/<::lazy_static::__lazy_static_internal macros>:22
[INFO] [stderr]   17:     0x55dcd81aa1ba - build_script_build::llvm_config::h068be1c5eb630d76
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.0.2/build.rs:164
[INFO] [stderr]   18:     0x55dcd81abc03 - build_script_build::main::h2f5827c59cfe4658
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.0.2/build.rs:296
[INFO] [stderr]   19:     0x55dcd81b48a0 - std::rt::lang_start::{{closure}}::hdb2c042977178aa3
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55dcd83cfa23 - std::rt::lang_start_internal::{{closure}}::h1a060554ddace6f7
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x55dcd83cfa23 - std::panicking::try::do_call::h36cfd8d9c1d0d936
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   22:     0x55dcd83d7dda - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   23:     0x55dcd83d052d - std::panicking::try::h225224763b892cde
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   24:     0x55dcd83d052d - std::panic::catch_unwind::h3043ed737cbd6e8e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x55dcd83d052d - std::rt::lang_start_internal::h97b8d999a39debed
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x55dcd81b4879 - std::rt::lang_start::h665abc61c806a009
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x55dcd81ac85a - main
[INFO] [stderr]   28:     0x7fecb62002e1 - __libc_start_main
[INFO] [stderr]   29:     0x55dcd81a8fba - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "559e8cd4a9465b1a9d9bceab35b68c8b6398e05c99246ae77d6255032dd78e08"`
[INFO] running `"docker" "rm" "-f" "559e8cd4a9465b1a9d9bceab35b68c8b6398e05c99246ae77d6255032dd78e08"`
[INFO] [stdout] 559e8cd4a9465b1a9d9bceab35b68c8b6398e05c99246ae77d6255032dd78e08