[INFO] crate libui-sys 0.1.7 is already in cache
[INFO] extracting crate libui-sys 0.1.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/libui-sys/0.1.7
[INFO] extracting crate libui-sys 0.1.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libui-sys/0.1.7
[INFO] validating manifest of libui-sys-0.1.7 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 libui-sys-0.1.7 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 libui-sys-0.1.7
[INFO] finished frobbing libui-sys-0.1.7
[INFO] frobbed toml for libui-sys-0.1.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/libui-sys/0.1.7/Cargo.toml
[INFO] started frobbing libui-sys-0.1.7
[INFO] finished frobbing libui-sys-0.1.7
[INFO] frobbed toml for libui-sys-0.1.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libui-sys/0.1.7/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] [stderr]     Blocking waiting for file lock on package cache
[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 libui-sys-0.1.7 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/libui-sys/0.1.7:/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] 9c4fd5d949c8192d5ffd072c3bf8e98942530e0aebfbc0ed28712e473a39ad64
[INFO] running `"docker" "start" "-a" "9c4fd5d949c8192d5ffd072c3bf8e98942530e0aebfbc0ed28712e473a39ad64"`
[INFO] [stderr]    Compiling libui-sys v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `libui-sys v0.1.7 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/libui-sys-9586716956c1c205/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] fatal: Not a git repository (or any parent up to mount point /opt/crater/workdir)
[INFO] [stderr] Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain 'beta-2019-08-13-x86_64-unknown-linux-gnu'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain beta-2019-08-13-x86_64-unknown-linux-gnu`
[INFO] [stderr] Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing)
[INFO] [stderr] thread 'main' panicked at 'unable to invoke "meson" "." "/opt/crater/target/debug/build/libui-sys-4ad12f72de37a41c/out/build" "--default-library" "shared" "--buildtype=release": No such file or directory (os error 2)', build.rs:150:21
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x558b3c2974ab - 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:     0x558b3c2974ab - 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:     0x558b3c2974ab - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x558b3c2974ab - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x558b3c2974ab - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x558b3c297186 - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x558b3c297c1d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x558b3c2977a2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x558b3c2976ef - std::panicking::begin_panic_fmt::h4b478f1ed53f4521
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x558b3bb93087 - build_script_build::run_command::hacd2c88ef3cfced7
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:150
[INFO] [stderr]   10:     0x558b3bb9265f - build_script_build::run_meson::h94277387ec672216
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:123
[INFO] [stderr]   11:     0x558b3bb91949 - build_script_build::main::h0728d6715f61f2ab
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:39
[INFO] [stderr]   12:     0x558b3bb93f80 - std::rt::lang_start::{{closure}}::hf7253704a204eac3
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x558b3c297623 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x558b3c297623 - std::panicking::try::do_call::h9d779bc5e27e3284
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   15:     0x558b3c2a057a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   16:     0x558b3c29812d - std::panicking::try::h4af22d9cb0afa351
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   17:     0x558b3c29812d - std::panic::catch_unwind::hbb68a9ada87bfb97
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   18:     0x558b3c29812d - std::rt::lang_start_internal::hba9e09d74440ce4d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x558b3bb93f59 - std::rt::lang_start::ha8f7d98a649aeb0e
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x558b3bb9353a - main
[INFO] [stderr]   21:     0x7ff17c6a92e1 - __libc_start_main
[INFO] [stderr]   22:     0x558b3bb9130a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "9c4fd5d949c8192d5ffd072c3bf8e98942530e0aebfbc0ed28712e473a39ad64"`
[INFO] running `"docker" "rm" "-f" "9c4fd5d949c8192d5ffd072c3bf8e98942530e0aebfbc0ed28712e473a39ad64"`
[INFO] [stdout] 9c4fd5d949c8192d5ffd072c3bf8e98942530e0aebfbc0ed28712e473a39ad64