[INFO] crate silicon 0.2.5 is already in cache [INFO] extracting crate silicon 0.2.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/silicon/0.2.5 [INFO] extracting crate silicon 0.2.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/silicon/0.2.5 [INFO] validating manifest of silicon-0.2.5 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 silicon-0.2.5 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 silicon-0.2.5 [INFO] finished frobbing silicon-0.2.5 [INFO] frobbed toml for silicon-0.2.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/silicon/0.2.5/Cargo.toml [INFO] started frobbing silicon-0.2.5 [INFO] finished frobbing silicon-0.2.5 [INFO] frobbed toml for silicon-0.2.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/silicon/0.2.5/Cargo.toml [INFO] crate silicon-0.2.5 already has a lockfile, it will not be regenerated [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 silicon-0.2.5 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-5/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/silicon/0.2.5:/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] 396933a81d8cf8a534196edad377cfef9b7ee88cffa7a61e4da3a0f7e9a2df23 [INFO] running `"docker" "start" "-a" "396933a81d8cf8a534196edad377cfef9b7ee88cffa7a61e4da3a0f7e9a2df23"` [INFO] [stderr] Compiling onig_sys v69.1.0 [INFO] [stderr] Compiling line-wrap v0.1.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling term_size v0.3.1 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling backtrace-sys v0.1.30 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.7 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling backtrace v0.3.32 [INFO] [stderr] Compiling plist v0.4.2 [INFO] [stderr] Compiling euclid_macros v0.1.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling rusttype v0.7.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling freetype v0.4.1 [INFO] [stderr] Compiling crossbeam-deque v0.6.3 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/xcb-bead8e0557ccc90d/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error occured in handler: ('request: ', ('xcb', 'GenericEvent', 'QueryVersion')) [INFO] [stderr] Traceback (most recent call last): [INFO] [stderr] File "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 2448, in [INFO] [stderr] module.generate() [INFO] [stderr] File "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xcbgen/state.py", line 108, in generate [INFO] [stderr] self.close() [INFO] [stderr] File "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 296, in rs_close [INFO] [stderr] _f.writeout(os.path.join(module.rs_srcdir, "ffi", "%s.rs" % _module_name(_ns.ext_name))) [INFO] [stderr] File "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 114, in writeout [INFO] [stderr] with open(path, 'w') as f: [INFO] [stderr] OSError: [Errno 30] Read-only file system: '/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/src/ffi/genericevent.rs' [INFO] [stderr] thread 'main' panicked at 'processing of /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/ge.xml returned non-zero (1)', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x562f009c1a7b - 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: 0x562f009c1a7b - 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: 0x562f009c1a7b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x562f009c1a7b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x562f009c1a7b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x562f009c1756 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x562f009c213d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x562f009c1cc2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x562f009c1c0f - std::panicking::begin_panic_fmt::h4b478f1ed53f4521 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x562f009af7d3 - build_script_build::main::{{closure}}::h82374661024f36b2 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75 [INFO] [stderr] 10: 0x562f009ae0a6 - build_script_build::visit_xml::h8bc99461ec9524f7 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20 [INFO] [stderr] 11: 0x562f009aeba3 - build_script_build::main::hc210e27500e01cb1 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56 [INFO] [stderr] 12: 0x562f009b58b0 - std::rt::lang_start::{{closure}}::h3f981dea54dd72e2 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64 [INFO] [stderr] 13: 0x562f009c1b93 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 14: 0x562f009c1b93 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 15: 0x562f009c853a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 16: 0x562f009c264d - std::panicking::try::h4af22d9cb0afa351 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 17: 0x562f009c264d - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x562f009c264d - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x562f009b5889 - std::rt::lang_start::hd178003b01105249 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64 [INFO] [stderr] 20: 0x562f009af91a - main [INFO] [stderr] 21: 0x7fd0f0b792e1 - __libc_start_main [INFO] [stderr] 22: 0x562f009a0caa - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "396933a81d8cf8a534196edad377cfef9b7ee88cffa7a61e4da3a0f7e9a2df23"` [INFO] running `"docker" "rm" "-f" "396933a81d8cf8a534196edad377cfef9b7ee88cffa7a61e4da3a0f7e9a2df23"` [INFO] [stdout] 396933a81d8cf8a534196edad377cfef9b7ee88cffa7a61e4da3a0f7e9a2df23