[INFO] crate wlroots 0.4.0 is already in cache
[INFO] extracting crate wlroots 0.4.0 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/wlroots/0.4.0
[INFO] extracting crate wlroots 0.4.0 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/wlroots/0.4.0
[INFO] validating manifest of wlroots-0.4.0 on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wlroots-0.4.0 on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-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-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/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-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/wlroots/0.4.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wlroots-0.4.0 against try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-1/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/wlroots/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c4a2d68777c7717a8ad1a8dd2f96c9d80d9a90260edd397ab9a5376b43664c9f
[INFO] running `"docker" "start" "-a" "c4a2d68777c7717a8ad1a8dd2f96c9d80d9a90260edd397ab9a5376b43664c9f"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling clang-sys v0.19.0
[INFO] [stderr]    Compiling vsprintf v1.0.1
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking xkbcommon v0.3.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]     Checking wayland-sys v0.21.12
[INFO] [stderr]    Compiling wayland-server v0.21.12
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]     Checking wayland-commons v0.21.12
[INFO] [stderr]     Checking calloop v0.4.3
[INFO] [stderr]    Compiling wlroots-dehandle v2.0.0
[INFO] [stderr]    Compiling syntex v0.58.1
[INFO] [stderr]    Compiling aster v0.41.0
[INFO] [stderr]    Compiling quasi v0.32.0
[INFO] [stderr]    Compiling quasi_codegen v0.32.0
[INFO] [stderr]    Compiling bindgen v0.30.0
[INFO] [stderr]    Compiling wlroots-sys v0.4.0
[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-40155a125d3a6a56/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:     0x5610158fbdea - backtrace::backtrace::libunwind::trace::h6a914de936d19d32
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/libunwind.rs:97
[INFO] [stderr]    1:     0x5610158fbdea - backtrace::backtrace::trace_unsynchronized::hdc7962958aac26ca
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5610158fbdea - std::sys_common::backtrace::_print::h4636cc90ad6e9cc8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5610158fbdea - std::sys_common::backtrace::print::h5e5a912d150b774f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5610158fbdea - std::panicking::default_hook::{{closure}}::h5fcf878e4219f22e
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    5:     0x5610158fbaeb - std::panicking::default_hook::hff6517781036cbe2
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    6:     0x5610158fc55f - std::panicking::rust_panic_with_hook::h22be939073562a0c
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    7:     0x5610158fc0e1 - std::panicking::continue_panic_fmt::h0bf78b06ee9243d2
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    8:     0x5610158fbfc5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    9:     0x56101591b36c - core::panicking::panic_fmt::h1ebe4ee2785ab478
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5610157080c7 - core::result::unwrap_failed::h3a811a6c1d25d12a
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x5610157132ec - core::result::Result<T,E>::unwrap::hef26eeea13105c64
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x561014e2775f - build_script_build::main::h3cf2a1ea9a7c5a6c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/wlroots-sys-0.4.0/build.rs:99
[INFO] [stderr]   13:     0x561014e3c4cf - std::rt::lang_start::{{closure}}::hb99ef3f59d04c905
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5610158fbf62 - std::rt::lang_start_internal::{{closure}}::h7a046000d751c604
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5610158fbf62 - std::panicking::try::do_call::h7822f6600116a051
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   16:     0x561015903709 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x5610158fcb2c - std::panicking::try::h358b691e2e16967b
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   18:     0x5610158fcb2c - std::panic::catch_unwind::haa1f6d1877145dfc
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x5610158fcb2c - std::rt::lang_start_internal::hdb0bb82020fa34fd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x561014e3c4a8 - std::rt::lang_start::h87cf39a7ddebc997
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x561014e29b79 - main
[INFO] [stderr]   22:     0x7f8a2ce682e0 - __libc_start_main
[INFO] [stderr]   23:     0x561014e1dbb9 - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "c4a2d68777c7717a8ad1a8dd2f96c9d80d9a90260edd397ab9a5376b43664c9f"`
[INFO] running `"docker" "rm" "-f" "c4a2d68777c7717a8ad1a8dd2f96c9d80d9a90260edd397ab9a5376b43664c9f"`
[INFO] [stdout] c4a2d68777c7717a8ad1a8dd2f96c9d80d9a90260edd397ab9a5376b43664c9f