[INFO] crate tensorflux-sys 0.3.0 is already in cache
[INFO] extracting crate tensorflux-sys 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tensorflux-sys/0.3.0
[INFO] extracting crate tensorflux-sys 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tensorflux-sys/0.3.0
[INFO] validating manifest of tensorflux-sys-0.3.0 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 tensorflux-sys-0.3.0 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 tensorflux-sys-0.3.0
[INFO] finished frobbing tensorflux-sys-0.3.0
[INFO] frobbed toml for tensorflux-sys-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tensorflux-sys/0.3.0/Cargo.toml
[INFO] started frobbing tensorflux-sys-0.3.0
[INFO] finished frobbing tensorflux-sys-0.3.0
[INFO] frobbed toml for tensorflux-sys-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tensorflux-sys/0.3.0/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 tensorflux-sys-0.3.0 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tensorflux-sys/0.3.0:/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] bf40dc99e3022e70269903bdd6df71f8b314342d65f3b6d693cb6767bde66523
[INFO] running `"docker" "start" "-a" "bf40dc99e3022e70269903bdd6df71f8b314342d65f3b6d693cb6767bde66523"`
[INFO] [stderr]    Compiling tensorflux-sys v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `tensorflux-sys v0.3.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/tensorflux-sys-9631e90983f42ed0/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] fatal: could not create leading directories of '/opt/crater/workdir/target/source': Read-only file system
[INFO] [stderr] thread 'main' panicked at 'failed to execute "git" "clone" "--branch=r0.12" "--recursive" "https://github.com/tensorflow/tensorflow.git" "/opt/crater/workdir/target/source"', build.rs:49:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55c67ef89823 - 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:     0x55c67ef8538b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55c67ef88616 - 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:     0x55c67ef883a9 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55c67ef88c6f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55c67ef887f1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55c67ef8873e - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x55c67ef373f7 - build_script_build::run::h134b553f071f6b57
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:49
[INFO] [stderr]    8:     0x55c67ef36910 - build_script_build::main::h7b5b7830da03cf59
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:25
[INFO] [stderr]    9:     0x55c67ef39c4f - std::rt::lang_start::{{closure}}::hb549b0c9964b0035
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x55c67ef886c2 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   11:     0x55c67ef90079 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   12:     0x55c67ef8917c - 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]   13:     0x55c67ef39c28 - std::rt::lang_start::h5d552b2fca447b97
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55c67ef379e9 - main
[INFO] [stderr]   15:     0x7f9b8f73b2e0 - __libc_start_main
[INFO] [stderr]   16:     0x55c67ef36439 - _start
[INFO] [stderr]   17:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "bf40dc99e3022e70269903bdd6df71f8b314342d65f3b6d693cb6767bde66523"`
[INFO] running `"docker" "rm" "-f" "bf40dc99e3022e70269903bdd6df71f8b314342d65f3b6d693cb6767bde66523"`
[INFO] [stdout] bf40dc99e3022e70269903bdd6df71f8b314342d65f3b6d693cb6767bde66523