[INFO] crate ucl 0.1.4 is already in cache
[INFO] extracting crate ucl 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/ucl/0.1.4
[INFO] extracting crate ucl 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ucl/0.1.4
[INFO] validating manifest of ucl-0.1.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ucl-0.1.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ucl-0.1.4
[INFO] removed path dependency libucl-sys from ucl-0.1.4
[INFO] finished frobbing ucl-0.1.4
[INFO] frobbed toml for ucl-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ucl/0.1.4/Cargo.toml
[INFO] started frobbing ucl-0.1.4
[INFO] removed path dependency libucl-sys from ucl-0.1.4
[INFO] finished frobbing ucl-0.1.4
[INFO] frobbed toml for ucl-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ucl/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ucl-0.1.4 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ucl/0.1.4:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c914b2fa3b7e4e2b435b621a472ee85042dfa37ca4b9abf18783519051df0a57
[INFO] running `"docker" "start" "-a" "c914b2fa3b7e4e2b435b621a472ee85042dfa37ca4b9abf18783519051df0a57"`
[INFO] [stderr]    Compiling libucl-sys v0.1.5
[INFO] [stderr] error: failed to run custom build command for `libucl-sys v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/libucl-sys-0e899b887885227f/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] running: "./autogen.sh"
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] autom4te: cannot create autom4te.cache: No such file or directory
[INFO] [stderr] aclocal: error: echo failed with exit status: 1
[INFO] [stderr] autoreconf: aclocal failed with exit status: 1
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] command did not execute successfully, got: exit code: 1
[INFO] [stderr] 
[INFO] [stderr] build script failed, must exit now', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libucl-sys-0.1.5/build.rs:51:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e0586d416b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55e0586d416b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55e0586d416b - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55e0586d416b - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55e0586d416b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55e0586d3e46 - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55e0586d482d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55e0586d43b2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55e0586d42ff - std::panicking::begin_panic_fmt::h4b478f1ed53f4521
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x55e0586c6d22 - build_script_build::fail::h797991b87734efa6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libucl-sys-0.1.5/build.rs:51
[INFO] [stderr]   10:     0x55e0586c6bb5 - build_script_build::run::h1f7bddabf1f30506
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libucl-sys-0.1.5/build.rs:46
[INFO] [stderr]   11:     0x55e0586c5f7c - build_script_build::main::h2f8f978b797a6138
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libucl-sys-0.1.5/build.rs:16
[INFO] [stderr]   12:     0x55e0586bd560 - std::rt::lang_start::{{closure}}::h78febd1f48fb1ba8
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55e0586d4283 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x55e0586d4283 - std::panicking::try::do_call::h9d779bc5e27e3284
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   15:     0x55e0586da66a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   16:     0x55e0586d4d3d - std::panicking::try::h4af22d9cb0afa351
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   17:     0x55e0586d4d3d - std::panic::catch_unwind::hbb68a9ada87bfb97
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   18:     0x55e0586d4d3d - std::rt::lang_start_internal::hba9e09d74440ce4d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55e0586bd539 - std::rt::lang_start::hd5416dcd8d2d6637
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55e0586c6d5a - main
[INFO] [stderr]   21:     0x7f1e0bf662e1 - __libc_start_main
[INFO] [stderr]   22:     0x55e0586b39ca - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "c914b2fa3b7e4e2b435b621a472ee85042dfa37ca4b9abf18783519051df0a57"`
[INFO] running `"docker" "rm" "-f" "c914b2fa3b7e4e2b435b621a472ee85042dfa37ca4b9abf18783519051df0a57"`
[INFO] [stdout] c914b2fa3b7e4e2b435b621a472ee85042dfa37ca4b9abf18783519051df0a57