[INFO] updating cached repository https://github.com/AcrylicShrimp/testlang-rust
[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] d7f94eb7046123bf029ed9e221a0b3bfe1423041
[INFO] checking AcrylicShrimp/testlang-rust against master#2da942f32802c8233a09744024dfbc34431adf65 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcrylicShrimp%2Ftestlang-rust" "/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/AcrylicShrimp/testlang-rust on toolchain 2da942f32802c8233a09744024dfbc34431adf65
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AcrylicShrimp/testlang-rust
[INFO] finished tweaking git repo https://github.com/AcrylicShrimp/testlang-rust
[INFO] tweaked toml for git repo https://github.com/AcrylicShrimp/testlang-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/AcrylicShrimp/testlang-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "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" "+2da942f32802c8233a09744024dfbc34431adf65" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2392e69fdad3e28472f3613b22c6b53060a4f7089d73964fbc5fc0e46ac26dd8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2392e69fdad3e28472f3613b22c6b53060a4f7089d73964fbc5fc0e46ac26dd8"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm8-0#c74bb768)
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling llvm-sys v80.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.20
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v80.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-de3ba3f6e173495d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_PREFIX
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_IGNORE_BLACKLIST
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_STRICT_VERSIONING
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_NO_CLEAN_CFLAGS
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_USE_DEBUG_MSVCRT
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_FFI_WORKAROUND
[INFO] [stderr] Found LLVM version 6.0.0 on PATH, but need 8.0.1.
[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_80_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-80.1.1/build.rs:101:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5604419572f4 - backtrace::backtrace::libunwind::trace::h6895db142988ec40
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5604419572f4 - backtrace::backtrace::trace_unsynchronized::hb4c7b5e2760a542f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5604419572f4 - std::sys_common::backtrace::_print_fmt::h59fedae292a93b07
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:84
[INFO] [stderr]    3:     0x5604419572f4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h0b9402b71e796a7b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x5604419778ac - core::fmt::write::h8e864ed82e4a5c6d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1024
[INFO] [stderr]    5:     0x5604419534f7 - std::io::Write::write_fmt::h31ae187092c774c4
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x5604419595ae - std::sys_common::backtrace::_print::h096797b36cb690f1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x5604419595ae - std::sys_common::backtrace::print::hebc5bdfec0b7b03d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x5604419595ae - std::panicking::default_hook::{{closure}}::h32b71b0981329be4
[INFO] [stderr]                                at src/libstd/panicking.rs:193
[INFO] [stderr]    9:     0x5604419592a1 - std::panicking::default_hook::hc2a0eed54a10bb2c
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x560441959c8b - std::panicking::rust_panic_with_hook::h088ef637ac96cfd8
[INFO] [stderr]                                at src/libstd/panicking.rs:471
[INFO] [stderr]   11:     0x560441862d07 - std::panicking::begin_panic::h56a27bd35cd82de9
[INFO] [stderr]                                at /rustc/2da942f32802c8233a09744024dfbc34431adf65/src/libstd/panicking.rs:404
[INFO] [stderr]   12:     0x5604416aca4e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h7f91d4b5991e8275
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:101
[INFO] [stderr]   13:     0x5604416aca4e - core::ops::function::FnOnce::call_once::h592720d90583b723
[INFO] [stderr]                                at /rustc/2da942f32802c8233a09744024dfbc34431adf65/src/libcore/ops/function.rs:232
[INFO] [stderr]   14:     0x5604416b1480 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h7866913dad04fb72
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31
[INFO] [stderr]   15:     0x5604416ab05d - std::sync::once::Once::call_once::{{closure}}::h34031f7ff36238ba
[INFO] [stderr]                                at /rustc/2da942f32802c8233a09744024dfbc34431adf65/src/libstd/sync/once.rs:263
[INFO] [stderr]   16:     0x560441956e01 - std::sync::once::Once::call_inner::hbe3a7ad2700f6938
[INFO] [stderr]                                at src/libstd/sync/once.rs:416
[INFO] [stderr]   17:     0x5604416aabd3 - std::sync::once::Once::call_once::h7521ee4721e5651d
[INFO] [stderr]                                at /rustc/2da942f32802c8233a09744024dfbc34431adf65/src/libstd/sync/once.rs:263
[INFO] [stderr]   18:     0x5604416a8c25 - lazy_static::lazy::Lazy<T>::get::h469a4e34dd388cf0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30
[INFO] [stderr]   19:     0x5604416a8c25 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h2de80b3a27763190
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/<::lazy_static::__lazy_static_internal macros>:16
[INFO] [stderr]   20:     0x5604416a8c25 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h88112f2f804068e8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/<::lazy_static::__lazy_static_internal macros>:18
[INFO] [stderr]   21:     0x5604416a5eaa - build_script_build::llvm_config::h218368aa304e2b8d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:199
[INFO] [stderr]   22:     0x5604416a72f0 - build_script_build::get_llvm_cflags::ha7512190febb3d80
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:308
[INFO] [stderr]   23:     0x5604416a7b1d - build_script_build::main::he0d85d14ac45bd18
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:346
[INFO] [stderr]   24:     0x5604416afe90 - std::rt::lang_start::{{closure}}::h3d7388e7e1e05112
[INFO] [stderr]                                at /rustc/2da942f32802c8233a09744024dfbc34431adf65/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x5604419596d3 - std::rt::lang_start_internal::{{closure}}::hfa484c171d6ea8e2
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   26:     0x5604419596d3 - std::panicking::try::do_call::h54c627f6a1adac40
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   27:     0x560441961d5a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:78
[INFO] [stderr]   28:     0x56044195a120 - std::panicking::try::h6c446ac00e48a701
[INFO] [stderr]                                at src/libstd/panicking.rs:270
[INFO] [stderr]   29:     0x56044195a120 - std::panic::catch_unwind::h57aae28d6a94e12e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   30:     0x56044195a120 - std::rt::lang_start_internal::hadfb0360ba7e8f4d
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   31:     0x5604416afe69 - std::rt::lang_start::h38a429a50c9f4306
[INFO] [stderr]                                at /rustc/2da942f32802c8233a09744024dfbc34431adf65/src/libstd/rt.rs:67
[INFO] [stderr]   32:     0x5604416a8cca - main
[INFO] [stderr]   33:     0x7f025cb5cb97 - __libc_start_main
[INFO] [stderr]   34:     0x5604416a4c6a - _start
[INFO] [stderr]   35:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2392e69fdad3e28472f3613b22c6b53060a4f7089d73964fbc5fc0e46ac26dd8"`
[INFO] running `"docker" "rm" "-f" "2392e69fdad3e28472f3613b22c6b53060a4f7089d73964fbc5fc0e46ac26dd8"`
[INFO] [stdout] 2392e69fdad3e28472f3613b22c6b53060a4f7089d73964fbc5fc0e46ac26dd8