[INFO] crate sigar 0.0.2 is already in cache
[INFO] extracting crate sigar 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/sigar/0.0.2
[INFO] extracting crate sigar 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sigar/0.0.2
[INFO] validating manifest of sigar-0.0.2 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 sigar-0.0.2 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 sigar-0.0.2
[INFO] finished frobbing sigar-0.0.2
[INFO] frobbed toml for sigar-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sigar/0.0.2/Cargo.toml
[INFO] started frobbing sigar-0.0.2
[INFO] finished frobbing sigar-0.0.2
[INFO] frobbed toml for sigar-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sigar/0.0.2/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 sigar-0.0.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sigar/0.0.2:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8a79ae3da2ff559a1322a0b521ac8638455375b8306213620330116f5bab0f8e
[INFO] running `"docker" "start" "-a" "8a79ae3da2ff559a1322a0b521ac8638455375b8306213620330116f5bab0f8e"`
[INFO] [stderr]    Compiling sigar v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
[INFO] [stderr]   --> build.rs:38:31
[INFO] [stderr]    |
[INFO] [stderr] 38 |             .arg(&config_opts.connect(" "))
[INFO] [stderr]    |                               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `sigar v0.0.2 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/sigar-b83403b3faa2c124/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] running: "sh" "-c" "/opt/crater/workdir/sigar/autogen.sh"
[INFO] [stderr] /opt/crater/workdir/sigar/autogen.sh: running `libtoolize --copy --force' 
[INFO] [stderr] libtoolize: putting auxiliary files in '.'.
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] libtoolize:   error: copying '/usr/share/libtool/build-aux/ltmain.sh' to './' failed
[INFO] [stderr] libtoolize:   error: Failed to create 'm4'
[INFO] [stderr] thread 'main' panicked at 'assertion failed: cmd.stdout(Stdio::inherit()).stderr(Stdio::inherit()).status().unwrap().success()', build.rs:63:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5644a45ad62b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5644a45ad62b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5644a45ad62b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5644a45ad62b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5644a45ad62b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5644a45ad307 - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5644a45adcf0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5644a45941e8 - std::panicking::begin_panic::hf4841c53f3db10d8
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x5644a455acf8 - build_script_build::run::hbf325585a531d864
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:63
[INFO] [stderr]    9:     0x5644a4559bd6 - build_script_build::main::h1e4e6b4df31ef760
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:21
[INFO] [stderr]   10:     0x5644a455bd60 - std::rt::lang_start::{{closure}}::hc13b8925eb189905
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   11:     0x5644a45ad743 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   12:     0x5644a45ad743 - std::panicking::try::do_call::h480cafa68c9928b4
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   13:     0x5644a45b454a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   14:     0x5644a45ae1fd - std::panicking::try::he0549d0299de204a
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   15:     0x5644a45ae1fd - std::panic::catch_unwind::h422dc2db98f03517
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   16:     0x5644a45ae1fd - std::rt::lang_start_internal::h121de03325a3f900
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   17:     0x5644a455bd39 - std::rt::lang_start::h21fc3b6d99f4265a
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x5644a455ad2a - main
[INFO] [stderr]   19:     0x7f67fc8ee2e1 - __libc_start_main
[INFO] [stderr]   20:     0x5644a4557d6a - _start
[INFO] [stderr]   21:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "8a79ae3da2ff559a1322a0b521ac8638455375b8306213620330116f5bab0f8e"`
[INFO] running `"docker" "rm" "-f" "8a79ae3da2ff559a1322a0b521ac8638455375b8306213620330116f5bab0f8e"`
[INFO] [stdout] 8a79ae3da2ff559a1322a0b521ac8638455375b8306213620330116f5bab0f8e