[INFO] crate ykpers-rs 0.1.0 is already in cache
[INFO] extracting crate ykpers-rs 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ykpers-rs/0.1.0
[INFO] extracting crate ykpers-rs 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ykpers-rs/0.1.0
[INFO] validating manifest of ykpers-rs-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ykpers-rs-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ykpers-rs-0.1.0
[INFO] removed path dependency libykpers-sys from ykpers-rs-0.1.0
[INFO] finished frobbing ykpers-rs-0.1.0
[INFO] frobbed toml for ykpers-rs-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ykpers-rs/0.1.0/Cargo.toml
[INFO] started frobbing ykpers-rs-0.1.0
[INFO] removed path dependency libykpers-sys from ykpers-rs-0.1.0
[INFO] finished frobbing ykpers-rs-0.1.0
[INFO] frobbed toml for ykpers-rs-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ykpers-rs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ykpers-rs-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ykpers-rs/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 33e7bb489ce6c19d85be52ae293cb58ff1c5862f9b74051c1f8cde5fb8658c97
[INFO] running `"docker" "start" "-a" "33e7bb489ce6c19d85be52ae293cb58ff1c5862f9b74051c1f8cde5fb8658c97"`
[INFO] [stderr]    Compiling libykpers-sys v0.1.0
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr] error: failed to run custom build command for `libykpers-sys v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/libykpers-sys-bd5a1ddcf2b9a543/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "`\"pkg-config\" \"--static\" \"--libs\" \"--cflags\" \"ykpers-1\"` did not exit successfully: exit code: 1\n--- stderr\nPackage ykpers-1 was not found in the pkg-config search path.\nPerhaps you should add the directory containing `ykpers-1.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'ykpers-1\' found\n"', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5628ecf41853 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5628ecf3d43b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5628ecf406c6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5628ecf40459 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5628ecf40d1f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5628ecf408a1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5628ecf40785 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x5628ecf55ebc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5628ecef2126 - core::result::unwrap_failed::h84909b90d59715f1
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x5628ecef224a - core::result::Result<T,E>::unwrap::h44b8f10a27816079
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x5628ecef24c7 - build_script_build::main::he24bc5c03cedf065
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libykpers-sys-0.1.0/build.rs:4
[INFO] [stderr]   11:     0x5628ecef241f - std::rt::lang_start::{{closure}}::h6ea42ebfde6927e0
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x5628ecf40772 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x5628ecf47259 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x5628ecf4122c - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x5628ecef23f8 - std::rt::lang_start::hfc5aee74688699d5
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x5628ecef2529 - main
[INFO] [stderr]   17:     0x7f074396c2e0 - __libc_start_main
[INFO] [stderr]   18:     0x5628ecef1959 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "33e7bb489ce6c19d85be52ae293cb58ff1c5862f9b74051c1f8cde5fb8658c97"`
[INFO] running `"docker" "rm" "-f" "33e7bb489ce6c19d85be52ae293cb58ff1c5862f9b74051c1f8cde5fb8658c97"`
[INFO] [stdout] 33e7bb489ce6c19d85be52ae293cb58ff1c5862f9b74051c1f8cde5fb8658c97