[INFO] crate libui-sys 0.1.7 is already in cache
[INFO] extracting crate libui-sys 0.1.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/libui-sys/0.1.7
[INFO] extracting crate libui-sys 0.1.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libui-sys/0.1.7
[INFO] validating manifest of libui-sys-0.1.7 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 libui-sys-0.1.7 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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/libui-sys/0.1.7/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] [stderr]     Blocking waiting for file lock on package cache
[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 libui-sys-0.1.7 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/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 485dd5d4c4e9e2d5ffa6d711933a19377d8f8dd745cb98f92a7ce62ea20a8a7f
[INFO] running `"docker" "start" "-a" "485dd5d4c4e9e2d5ffa6d711933a19377d8f8dd745cb98f92a7ce62ea20a8a7f"`
[INFO] [stderr]    Compiling embed-resource v1.2.1
[INFO] [stderr]    Compiling bindgen v0.49.2
[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-6e6b0817fe4dec7b/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 '1.36.0-x86_64-unknown-linux-gnu'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.36.0-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-346d849bbd49f31a/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:     0x55cbbbeb3773 - 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:     0x55cbbbeaf09b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55cbbbeb2466 - 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:     0x55cbbbeb21f9 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55cbbbeb2b6f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55cbbbeb26f1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55cbbbeb263e - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x55cbbb7ccfbc - build_script_build::run_command::h61b18c5e5da2be21
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:150
[INFO] [stderr]    8:     0x55cbbb7cc53f - build_script_build::run_meson::hade56339e927ac1a
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:123
[INFO] [stderr]    9:     0x55cbbb7cb7ff - build_script_build::main::h776169b991c51ef0
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:39
[INFO] [stderr]   10:     0x55cbbb7d00df - std::rt::lang_start::{{closure}}::h8912388bc7957642
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   11:     0x55cbbbeb2572 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   12:     0x55cbbbebb929 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   13:     0x55cbbbeb307c - 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]   14:     0x55cbbb7d00b8 - std::rt::lang_start::hc88ce87437340c52
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55cbbb7cd479 - main
[INFO] [stderr]   16:     0x7f0e7cf4a2e0 - __libc_start_main
[INFO] [stderr]   17:     0x55cbbb7cb1c9 - _start
[INFO] [stderr]   18:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "485dd5d4c4e9e2d5ffa6d711933a19377d8f8dd745cb98f92a7ce62ea20a8a7f"`
[INFO] running `"docker" "rm" "-f" "485dd5d4c4e9e2d5ffa6d711933a19377d8f8dd745cb98f92a7ce62ea20a8a7f"`
[INFO] [stdout] 485dd5d4c4e9e2d5ffa6d711933a19377d8f8dd745cb98f92a7ce62ea20a8a7f