[INFO] fetching crate ncvm 0.0.2... [INFO] testing ncvm-0.0.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate ncvm 0.0.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate ncvm 0.0.2 [INFO] finished tweaking crates.io crate ncvm 0.0.2 [INFO] tweaked toml for crates.io crate ncvm 0.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ncvm 0.0.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ncvm 0.0.2 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c56a818699cac202a0dcf148cdbed30aea2d867af32f6c04845ac2401834e60 [INFO] running `Command { std: "docker" "start" "-a" "2c56a818699cac202a0dcf148cdbed30aea2d867af32f6c04845ac2401834e60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c56a818699cac202a0dcf148cdbed30aea2d867af32f6c04845ac2401834e60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c56a818699cac202a0dcf148cdbed30aea2d867af32f6c04845ac2401834e60", kill_on_drop: false }` [INFO] [stdout] 2c56a818699cac202a0dcf148cdbed30aea2d867af32f6c04845ac2401834e60 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9086ec523b68cf3f07ca7f7b595f07bd8bd98c36e0f2cdb71b0bdc35b70e5361 [INFO] running `Command { std: "docker" "start" "-a" "9086ec523b68cf3f07ca7f7b595f07bd8bd98c36e0f2cdb71b0bdc35b70e5361", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling prettyplease v0.2.16 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v2.4.2 [INFO] [stderr] Compiling libloading v0.8.2 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling bindgen v0.69.4 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling clang-sys v1.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.88 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling regex-automata v0.4.5 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Compiling ncvm v0.0.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: ncvm@0.0.2: Compiler version doesn't include clang or GCC: "cc" "--version" [INFO] [stderr] warning: ncvm@0.0.2: In file included from libs/ncvm/src/ncvm.c:4: [INFO] [stderr] warning: ncvm@0.0.2: libs/extc/include/extc_stack.h:22:40: warning: backslash-newline at end of file [INFO] [stderr] warning: ncvm@0.0.2: 22 | #define stack_template_impl(name, type)\ [INFO] [stderr] warning: ncvm@0.0.2: | [INFO] [stderr] error: failed to run custom build command for `ncvm v0.0.2 (/opt/rustwide/workdir)` [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/ncvm-5de823174a1f49d9/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CC [INFO] [stderr] HOST_CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC [INFO] [stderr] CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT [INFO] [stderr] cargo:warning=Compiler version doesn't include clang or GCC: "cc" "--version" [INFO] [stderr] cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS [INFO] [stderr] CRATE_CC_NO_DEFAULTS = None [INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2") [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CFLAGS [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS [INFO] [stderr] CFLAGS = None [INFO] [stderr] cargo:warning=In file included from libs/ncvm/src/ncvm.c:4: [INFO] [stderr] cargo:warning=libs/extc/include/extc_stack.h:22:40: warning: backslash-newline at end of file [INFO] [stderr] cargo:warning= 22 | #define stack_template_impl(name, type)\ [INFO] [stderr] cargo:warning= | [INFO] [stderr] cargo:rerun-if-env-changed=AR_x86_64-unknown-linux-gnu [INFO] [stderr] AR_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=AR_x86_64_unknown_linux_gnu [INFO] [stderr] AR_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_AR [INFO] [stderr] HOST_AR = None [INFO] [stderr] cargo:rerun-if-env-changed=AR [INFO] [stderr] AR = None [INFO] [stderr] cargo:rerun-if-env-changed=ARFLAGS_x86_64-unknown-linux-gnu [INFO] [stderr] ARFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=ARFLAGS_x86_64_unknown_linux_gnu [INFO] [stderr] ARFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_ARFLAGS [INFO] [stderr] HOST_ARFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=ARFLAGS [INFO] [stderr] ARFLAGS = None [INFO] [stderr] cargo:rustc-link-lib=static=c-ncvm-static [INFO] [stderr] cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/ncvm-3b9d98823b259796/out [INFO] [stderr] cargo:rerun-if-env-changed=TARGET [INFO] [stderr] cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS [INFO] [stderr] cargo:rerun-if-changed=libs/ncvm/include/ncvm.h [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain 'beta-2025-09-21-x86_64-unknown-linux-gnu'. [INFO] [stderr] To install, run `rustup component add --toolchain beta-2025-09-21-x86_64-unknown-linux-gnu rustfmt` [INFO] [stderr] Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing) [INFO] [stderr] [INFO] [stderr] thread 'main' (521) panicked at build.rs:28:48: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5e96eba985b2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5e96eba985b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5e96eba985b2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5e96eba985b2 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5e96ebaaa5df - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5e96ebaaa5df - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5e96eba663b1 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5e96eba663b1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5e96eba72432 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5e96eba75a1f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5e96eba75879 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5e96eba76155 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5e96eba75f3a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5e96eba72569 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5e96eba5a39d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5e96ebab4820 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5e96ebab3776 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stderr] 17: 0x5e96eb4de695 - build_script_build::main::he3d726f3d92d6184 [INFO] [stderr] 18: 0x5e96eb4deb23 - core::ops::function::FnOnce::call_once::h25d8fe03a224610b [INFO] [stderr] 19: 0x5e96eb4de9b6 - std::sys::backtrace::__rust_begin_short_backtrace::hea73fa77efe85355 [INFO] [stderr] 20: 0x5e96eb4de999 - std::rt::lang_start::{{closure}}::h9c67ba68d1c3e363 [INFO] [stderr] 21: 0x5e96eba67f40 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 22: 0x5e96eba67f40 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 23: 0x5e96eba67f40 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 24: 0x5e96eba67f40 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x5e96eba67f40 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x5e96eba67f40 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 27: 0x5e96eba67f40 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 28: 0x5e96eba67f40 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x5e96eba67f40 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x5e96eb4de981 - std::rt::lang_start::h1f162897e1d459d0 [INFO] [stderr] 31: 0x5e96eb4e0da5 - main [INFO] [stderr] 32: 0x74d4f46b71ca - [INFO] [stderr] 33: 0x74d4f46b728b - __libc_start_main [INFO] [stderr] 34: 0x5e96eb4dd155 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "9086ec523b68cf3f07ca7f7b595f07bd8bd98c36e0f2cdb71b0bdc35b70e5361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9086ec523b68cf3f07ca7f7b595f07bd8bd98c36e0f2cdb71b0bdc35b70e5361", kill_on_drop: false }` [INFO] [stdout] 9086ec523b68cf3f07ca7f7b595f07bd8bd98c36e0f2cdb71b0bdc35b70e5361