[INFO] fetching crate wlroots 0.4.0...
[INFO] extracting crate wlroots 0.4.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/wlroots/0.4.0
[INFO] extracting crate wlroots 0.4.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/wlroots/0.4.0
[INFO] validating manifest of wlroots-0.4.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wlroots-0.4.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wlroots-0.4.0
[INFO] removed 6 missing examples
[INFO] finished frobbing wlroots-0.4.0
[INFO] frobbed toml for wlroots-0.4.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/wlroots/0.4.0/Cargo.toml
[INFO] started frobbing wlroots-0.4.0
[INFO] removed 6 missing examples
[INFO] finished frobbing wlroots-0.4.0
[INFO] frobbed toml for wlroots-0.4.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/wlroots/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wlroots-dehandle v2.0.0
[INFO] [stderr]   Downloaded wlroots-sys v0.4.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wlroots-0.4.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/wlroots/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d111b4bfd60e6b7c31165f5508d2955afc7b25a9f3b53fe89fdabe0f53125bc0
[INFO] running `"docker" "start" "-a" "d111b4bfd60e6b7c31165f5508d2955afc7b25a9f3b53fe89fdabe0f53125bc0"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking xkbcommon v0.3.0
[INFO] [stderr]     Checking vsprintf v1.0.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling wayland-server v0.21.13
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling wlroots-sys v0.4.0
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]    Compiling wlroots-dehandle v2.0.0
[INFO] [stderr] error: failed to run custom build command for `wlroots-sys v0.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/wlroots-sys-b4bf102ea60843fc/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rustc-link-lib=dylib=X11
[INFO] [stderr] cargo:rustc-link-lib=dylib=X11-xcb
[INFO] [stderr] cargo:rustc-link-lib=dylib=xkbcommon
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb-composite
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb-xfixes
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb-image
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb-render
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb-shm
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb-icccm
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb-xkb
[INFO] [stderr] cargo:rustc-link-lib=dylib=xcb-xinput
[INFO] [stderr] cargo:rustc-link-lib=dylib=wayland-egl
[INFO] [stderr] cargo:rustc-link-lib=dylib=wayland-client
[INFO] [stderr] cargo:rustc-link-lib=dylib=wayland-server
[INFO] [stderr] cargo:rustc-link-lib=dylib=EGL
[INFO] [stderr] cargo:rustc-link-lib=dylib=GL
[INFO] [stderr] cargo:rustc-link-lib=dylib=gbm
[INFO] [stderr] cargo:rustc-link-lib=dylib=drm
[INFO] [stderr] cargo:rustc-link-lib=dylib=input
[INFO] [stderr] cargo:rustc-link-lib=dylib=udev
[INFO] [stderr] cargo:rustc-link-lib=dylib=dbus-1
[INFO] [stderr] cargo:rustc-link-lib=dylib=pixman-1
[INFO] [stderr] cargo:rustc-link-search=native=/lib/x86_64-linux-gnu
[INFO] [stderr] cargo:rustc-link-lib=systemd
[INFO] [stderr] cargo:rustc-link-lib=dylib=systemd
[INFO] [stderr] cargo:rustc-link-lib=dylib=wlroots
[INFO] [stderr] cargo:rustc-link-search=native=/usr/local/lib
[INFO] [stderr] 
[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:     0x55c1de7fc94b - backtrace::backtrace::libunwind::trace::h8758853b907b30fd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55c1de7fc94b - backtrace::backtrace::trace_unsynchronized::h979d07d4bfdce29c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55c1de7fc94b - std::sys_common::backtrace::_print::ha749bbdb811617ea
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55c1de7fc94b - std::sys_common::backtrace::print::h86a6ff63a904e869
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55c1de7fc94b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55c1de7fc627 - std::panicking::default_hook::ha801ade4ae33c264
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55c1de7fd0c0 - std::panicking::rust_panic_with_hook::hfb51b615c6060100
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55c1de7fcc42 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55c1de7fcb26 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55c1de81bb7d - core::panicking::panic_fmt::h8a74e5820cacd07c
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55c1de64a478 - core::result::unwrap_failed::he057df5b31bc4b0a
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55c1de6551ed - core::result::Result<T,E>::unwrap::h61f9d0a07a6b6a9d
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x55c1ddd31810 - build_script_build::main::h80a755aee07eb430
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/wlroots-sys-0.4.0/build.rs:99
[INFO] [stderr]   13:     0x55c1ddd46ca0 - std::rt::lang_start::{{closure}}::h1c7aa55e24cc79fd
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55c1de7fcac3 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55c1de7fcac3 - std::panicking::try::do_call::h51cc84caa9338daf
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55c1de803d7a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x55c1de7fd68d - std::panicking::try::heb9d5da34e3fa707
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55c1de7fd68d - std::panic::catch_unwind::he2a2041733180f4c
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x55c1de7fd68d - std::rt::lang_start_internal::h9e24cef029766dfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55c1ddd46c79 - std::rt::lang_start::h35b28fd05848d5f7
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55c1ddd33c2a - main
[INFO] [stderr]   22:     0x7fdb313122e1 - __libc_start_main
[INFO] [stderr]   23:     0x55c1ddd27afa - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d111b4bfd60e6b7c31165f5508d2955afc7b25a9f3b53fe89fdabe0f53125bc0"`
[INFO] running `"docker" "rm" "-f" "d111b4bfd60e6b7c31165f5508d2955afc7b25a9f3b53fe89fdabe0f53125bc0"`
[INFO] [stdout] d111b4bfd60e6b7c31165f5508d2955afc7b25a9f3b53fe89fdabe0f53125bc0