[INFO] updating cached repository https://github.com/dwoos/minirust
[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] 5162a5337fe9fa1f425c36a8b4c2eaf1f8940c7d
[INFO] testing dwoos/minirust against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwoos%2Fminirust" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwoos/minirust on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dwoos/minirust
[INFO] finished tweaking git repo https://github.com/dwoos/minirust
[INFO] tweaked toml for git repo https://github.com/dwoos/minirust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/dwoos/minirust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f6f5b0d44c3a4fe81b7c72bea346170b9bf4d9e108c7172aa59c563cce1a543
[INFO] running `"docker" "start" "-a" "0f6f5b0d44c3a4fe81b7c72bea346170b9bf4d9e108c7172aa59c563cce1a543"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling llvm-sys v80.0.0
[INFO] [stderr]    Compiling strsim v0.9.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v80.0.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-efd8211086c64b8d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 6.0.0 on PATH, but need 8.0.0.
[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_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-80.0.0/build.rs:73:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55d92fe75614 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55d92fe75614 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55d92fe75614 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55d92fe75614 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7729313ad2d729c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55d92fe9b66c - core::fmt::write::hb0049f6c12bdaffc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55d92fe71933 - std::io::Write::write_fmt::hfb486fa6ccb90f14
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x55d92fe77e85 - std::sys_common::backtrace::_print::ha087cac92e84a414
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55d92fe77e85 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55d92fe77e85 - std::panicking::default_hook::{{closure}}::h016d7de02def2736
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55d92fe77bc2 - std::panicking::default_hook::h9386f7e484840463
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55d92fe784e2 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55d92fdc8b01 - std::panicking::begin_panic::hc869d3d4f89b51bb
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:438
[INFO] [stderr]   12:     0x55d92fc103c7 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h39b00e101da3bc23
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/build.rs:73
[INFO] [stderr]   13:     0x55d92fc103c7 - core::ops::function::FnOnce::call_once::h846c6db23ac84dec
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stderr]   14:     0x55d92fc1ac9b - lazy_static::lazy::Lazy<T>::get::{{closure}}::hf57c8ab41136e24f
[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:     0x55d92fc126c2 - std::sync::once::Once::call_once::{{closure}}::h2d63f31f70aa5a70
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sync/once.rs:264
[INFO] [stderr]   16:     0x55d92fe750a8 - std::sync::once::Once::call_inner::h645f0d07eb0a8066
[INFO] [stderr]                                at src/libstd/sync/once.rs:416
[INFO] [stderr]   17:     0x55d92fc12571 - std::sync::once::Once::call_once::h691fe3873d7d63e9
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sync/once.rs:264
[INFO] [stderr]   18:     0x55d92fc0c175 - lazy_static::lazy::Lazy<T>::get::h65f419b25108f50f
[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:     0x55d92fc0c175 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h5e095d5952da5d1d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/lib.rs:138
[INFO] [stderr]   20:     0x55d92fc0c175 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h8ab6be0387fc6d09
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/lib.rs:140
[INFO] [stderr]   21:     0x55d92fc09dc4 - build_script_build::llvm_config::h68ac13a0868a278f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/build.rs:167
[INFO] [stderr]   22:     0x55d92fc0b150 - build_script_build::get_llvm_cflags::hbc10ad38c9993c58
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/build.rs:273
[INFO] [stderr]   23:     0x55d92fc0b534 - build_script_build::main::h9716829f4c3a04c8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/build.rs:300
[INFO] [stderr]   24:     0x55d92fc0f4cb - std::rt::lang_start::{{closure}}::h0e9c32302bd2a153
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x55d92fe78928 - std::rt::lang_start_internal::{{closure}}::h76043ceda1ce1596
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   26:     0x55d92fe78928 - std::panicking::try::do_call::hb3d81a78fdf1ed63
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   27:     0x55d92fe78928 - std::panicking::try::he8d7c35962fb5d7e
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   28:     0x55d92fe78928 - std::panic::catch_unwind::h643ad9bfe058a347
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   29:     0x55d92fe78928 - std::rt::lang_start_internal::h4b0f023744ce345f
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   30:     0x55d92fc0f4a7 - std::rt::lang_start::hba956b4f23c08f4b
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67
[INFO] [stderr]   31:     0x55d92fc0c20a - main
[INFO] [stderr]   32:     0x7f07a56a0b97 - __libc_start_main
[INFO] [stderr]   33:     0x55d92fc08a3a - _start
[INFO] [stderr]   34:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0f6f5b0d44c3a4fe81b7c72bea346170b9bf4d9e108c7172aa59c563cce1a543"`
[INFO] running `"docker" "rm" "-f" "0f6f5b0d44c3a4fe81b7c72bea346170b9bf4d9e108c7172aa59c563cce1a543"`
[INFO] [stdout] 0f6f5b0d44c3a4fe81b7c72bea346170b9bf4d9e108c7172aa59c563cce1a543