[INFO] fetching crate ms_speech_sys 0.1.1...
[INFO] extracting crate ms_speech_sys 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/ms_speech_sys/0.1.1
[INFO] extracting crate ms_speech_sys 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ms_speech_sys/0.1.1
[INFO] validating manifest of ms_speech_sys-0.1.1 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 ms_speech_sys-0.1.1 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 ms_speech_sys-0.1.1
[INFO] finished frobbing ms_speech_sys-0.1.1
[INFO] frobbed toml for ms_speech_sys-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ms_speech_sys/0.1.1/Cargo.toml
[INFO] started frobbing ms_speech_sys-0.1.1
[INFO] finished frobbing ms_speech_sys-0.1.1
[INFO] frobbed toml for ms_speech_sys-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ms_speech_sys/0.1.1/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 ms_speech_sys-0.1.1 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-6/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/ms_speech_sys/0.1.1:/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] 4686ddcef2d1b32aeef5bc6a194616f9d93e2d2ffa532061ac0be3f03601cb50
[INFO] running `"docker" "start" "-a" "4686ddcef2d1b32aeef5bc6a194616f9d93e2d2ffa532061ac0be3f03601cb50"`
[INFO] [stderr]    Compiling bindgen v0.50.0
[INFO] [stderr]    Compiling ms_speech_sys v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `ms_speech_sys v0.1.1 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/ms_speech_sys-4198bcb2983f0f87/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5562870b231b - 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:     0x5562870b231b - 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:     0x5562870b231b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5562870b231b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5562870b231b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5562870b1ff7 - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5562870b2a90 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5562870b2612 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5562870b24f6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x5562870d1c1d - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x556286b1bc28 - core::result::unwrap_failed::h45ada2554650b116
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x556286a0d2dd - core::result::Result<T,E>::unwrap::h9868e0dee0857796
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x556286a0abe4 - build_script_build::linux::h7122a767f3d6f959
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:29
[INFO] [stderr]   13:     0x556286a0a83d - build_script_build::main::h0b2c469be100f32b
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:11
[INFO] [stderr]   14:     0x556286a0c880 - std::rt::lang_start::{{closure}}::h331051745277fc1b
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x5562870b2493 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x5562870b2493 - std::panicking::try::do_call::h480cafa68c9928b4
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x5562870b9f8a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x5562870b2f9d - std::panicking::try::he0549d0299de204a
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x5562870b2f9d - std::panic::catch_unwind::h422dc2db98f03517
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x5562870b2f9d - std::rt::lang_start_internal::h121de03325a3f900
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x556286a0c859 - std::rt::lang_start::h7ed2e86c80d20754
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x556286a0bfba - main
[INFO] [stderr]   23:     0x7fd8cb5882e1 - __libc_start_main
[INFO] [stderr]   24:     0x556286a0a6ca - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "4686ddcef2d1b32aeef5bc6a194616f9d93e2d2ffa532061ac0be3f03601cb50"`
[INFO] running `"docker" "rm" "-f" "4686ddcef2d1b32aeef5bc6a194616f9d93e2d2ffa532061ac0be3f03601cb50"`
[INFO] [stdout] 4686ddcef2d1b32aeef5bc6a194616f9d93e2d2ffa532061ac0be3f03601cb50