[INFO] fetching crate mdtc 0.1.0... [INFO] testing mdtc-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate mdtc 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate mdtc 0.1.0 [INFO] finished tweaking crates.io crate mdtc 0.1.0 [INFO] tweaked toml for crates.io crate mdtc 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mdtc 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mdtc 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebb182a813dd58f33fa1d03c881593c6f3ba078aeede8b45f584a73ac5a6cbe3 [INFO] running `Command { std: "docker" "start" "-a" "ebb182a813dd58f33fa1d03c881593c6f3ba078aeede8b45f584a73ac5a6cbe3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebb182a813dd58f33fa1d03c881593c6f3ba078aeede8b45f584a73ac5a6cbe3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebb182a813dd58f33fa1d03c881593c6f3ba078aeede8b45f584a73ac5a6cbe3", kill_on_drop: false }` [INFO] [stdout] ebb182a813dd58f33fa1d03c881593c6f3ba078aeede8b45f584a73ac5a6cbe3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a34c1855192a432f8b0b3ec448ede3ddd9e04f349bdd5fd79ffdb1c486e38ae0 [INFO] running `Command { std: "docker" "start" "-a" "a34c1855192a432f8b0b3ec448ede3ddd9e04f349bdd5fd79ffdb1c486e38ae0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling os_str_bytes v6.3.0 [INFO] [stderr] Compiling once_cell v1.13.1 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/xcb-ae2f5dee86884883/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error occured in handler: ('request: ', ('xcb', 'Xinerama', 'QueryScreens')) [INFO] [stderr] Traceback (most recent call last): [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/rs_client.py", line 2448, in [INFO] [stderr] module.generate() [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/xcbgen/state.py", line 108, in generate [INFO] [stderr] self.close() [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/rs_client.py", line 114, in writeout [INFO] [stderr] with open(path, 'w') as f: [INFO] [stderr] ^^^^^^^^^^^^^^^ [INFO] [stderr] OSError: [Errno 30] Read-only file system: '/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/src/ffi/xinerama.rs' [INFO] [stderr] [INFO] [stderr] thread 'main' (409) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/build.rs:75:17: [INFO] [stderr] processing of /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/xml/xinerama.xml returned non-zero (1) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5a4d908a4712 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5a4d908a4712 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5a4d908a4712 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5a4d908a4712 - ::fmt::h47627beda0767f4c [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5a4d908b362f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5a4d908b362f - core::fmt::write::h8a63064c67176fd8 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25 [INFO] [stderr] 6: 0x5a4d90879493 - std::io::default_write_fmt::hc257f38f86d39af6 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5a4d90879493 - std::io::Write::write_fmt::h5e9b646cef91150b [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5a4d90882b22 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5a4d9088490c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5a4d90884766 - std::panicking::default_hook::hfeec6294e8751b62 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5a4d90884ee5 - std::panicking::panic_with_hook::hd57cd463d793ed79 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5a4d90884d7a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5a4d90882c59 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5a4d9086e06d - __rustc[256c90bb7e548b45]::rust_begin_unwind [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5a4d908b6af0 - core::panicking::panic_fmt::hf19c198748ef6a95 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x5a4d9086885d - build_script_build::main::{{closure}}::had4bc4ae379cc887 [INFO] [stderr] 17: 0x5a4d90868dbd - build_script_build::visit_xml::h21be83bd4b898585 [INFO] [stderr] 18: 0x5a4d90867eba - build_script_build::main::hc3325007b1016677 [INFO] [stderr] 19: 0x5a4d9086a6b3 - core::ops::function::FnOnce::call_once::ha78d7f21f3b57bb3 [INFO] [stderr] 20: 0x5a4d90869f56 - std::sys::backtrace::__rust_begin_short_backtrace::h0ad7f127096894f7 [INFO] [stderr] 21: 0x5a4d90869dc9 - std::rt::lang_start::{{closure}}::hf0599ca395a53daa [INFO] [stderr] 22: 0x5a4d9087ad50 - core::ops::function::impls:: for &F>::call_once::hdf957eac011d0136 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 23: 0x5a4d9087ad50 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stderr] 24: 0x5a4d9087ad50 - std::panicking::catch_unwind::ha7ce46787bb12905 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stderr] 25: 0x5a4d9087ad50 - std::panic::catch_unwind::h625b36596def7d39 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stderr] 26: 0x5a4d9087ad50 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stderr] 27: 0x5a4d9087ad50 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stderr] 28: 0x5a4d9087ad50 - std::panicking::catch_unwind::hf64cf7b0d8070f52 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stderr] 29: 0x5a4d9087ad50 - std::panic::catch_unwind::h480b74763390cdcf [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stderr] 30: 0x5a4d9087ad50 - std::rt::lang_start_internal::h4b3d04f698aef094 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stderr] 31: 0x5a4d90869db1 - std::rt::lang_start::ha14b6c796384f635 [INFO] [stderr] 32: 0x5a4d9086dd85 - main [INFO] [stderr] 33: 0x7a96bbf831ca - [INFO] [stderr] 34: 0x7a96bbf8328b - __libc_start_main [INFO] [stderr] 35: 0x5a4d90867605 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a34c1855192a432f8b0b3ec448ede3ddd9e04f349bdd5fd79ffdb1c486e38ae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a34c1855192a432f8b0b3ec448ede3ddd9e04f349bdd5fd79ffdb1c486e38ae0", kill_on_drop: false }` [INFO] [stdout] a34c1855192a432f8b0b3ec448ede3ddd9e04f349bdd5fd79ffdb1c486e38ae0