[INFO] fetching crate vglang 0.1.5...
[INFO] building vglang-0.1.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate vglang 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vglang 0.1.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate vglang 0.1.5
[INFO] tweaked toml for crates.io crate vglang 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vglang 0.1.5 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vglang 0.1.5 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest Rust 1.92.0-nightly compatible versions
[INFO] [stderr]       Adding mlang-rs v0.2.5
[INFO] [stderr]       Adding parserc v0.4.2 (available: v0.9.5)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.20.3
[INFO] [stderr]   Downloaded tracing-core v0.1.33
[INFO] [stderr]   Downloaded value-bag-sval2 v1.10.0
[INFO] [stderr]   Downloaded sval_serde v2.14.0
[INFO] [stderr]   Downloaded terminal_size v0.4.1
[INFO] [stderr]   Downloaded value-bag v1.10.0
[INFO] [stderr]   Downloaded errno v0.3.10
[INFO] [stderr]   Downloaded parserc v0.4.2
[INFO] [stderr]   Downloaded bytes v1.10.0
[INFO] [stderr]   Downloaded clap v4.5.31
[INFO] [stderr]   Downloaded ryu v1.0.19
[INFO] [stderr]   Downloaded quick-xml v0.36.2
[INFO] [stderr]   Downloaded sval v2.14.0
[INFO] [stderr]   Downloaded sval_fmt v2.14.0
[INFO] [stderr]   Downloaded serde_json v1.0.139
[INFO] [stderr]   Downloaded sval_nested v2.14.0
[INFO] [stderr]   Downloaded bitflags v2.8.0
[INFO] [stderr]   Downloaded sval_buffer v2.14.0
[INFO] [stderr]   Downloaded sval_ref v2.14.0
[INFO] [stderr]   Downloaded clap_builder v4.5.31
[INFO] [stderr]   Downloaded condtype v1.3.0
[INFO] [stderr]   Downloaded divan v0.1.17
[INFO] [stderr]   Downloaded mlang-rs v0.2.5
[INFO] [stderr]   Downloaded libc v0.2.170
[INFO] [stderr]   Downloaded tracing-attributes v0.1.28
[INFO] [stderr]   Downloaded xml_dom v0.2.8
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded is-terminal v0.4.15
[INFO] [stderr]   Downloaded env_logger v0.10.2
[INFO] [stderr]   Downloaded pretty_env_logger v0.5.0
[INFO] [stderr]   Downloaded sval_json v2.14.0
[INFO] [stderr]   Downloaded log v0.4.26
[INFO] [stderr]   Downloaded divan-macros v0.1.17
[INFO] [stderr]   Downloaded erased-serde v0.4.5
[INFO] [stderr]   Downloaded serde_fmt v1.0.3
[INFO] [stderr]   Downloaded itoa v1.0.14
[INFO] [stderr]   Downloaded value-bag-serde1 v1.10.0
[INFO] [stderr]   Downloaded sval_dynamic v2.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 397ac749687e36889f3d3b873c5f558a323f88b19eaaf4e0ff10acdfd560f837
[INFO] running `Command { std: "docker" "start" "-a" "397ac749687e36889f3d3b873c5f558a323f88b19eaaf4e0ff10acdfd560f837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397ac749687e36889f3d3b873c5f558a323f88b19eaaf4e0ff10acdfd560f837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397ac749687e36889f3d3b873c5f558a323f88b19eaaf4e0ff10acdfd560f837", kill_on_drop: false }`
[INFO] [stdout] 397ac749687e36889f3d3b873c5f558a323f88b19eaaf4e0ff10acdfd560f837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 192c3b470599b86a0acfc7fdcfe73968701ec739293eb156fce2575fa7577fae
[INFO] running `Command { std: "docker" "start" "-a" "192c3b470599b86a0acfc7fdcfe73968701ec739293eb156fce2575fa7577fae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling quick-xml v0.36.2
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling serde_fmt v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.5
[INFO] [stderr]    Compiling value-bag-serde1 v1.10.0
[INFO] [stderr]    Compiling value-bag v1.10.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling parserc v0.4.2
[INFO] [stderr]    Compiling xml_dom v0.2.8
[INFO] [stderr]    Compiling mlang-rs v0.2.5
[INFO] [stderr]    Compiling vglang v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `vglang v0.1.5 (/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/vglang-125f41b431279222/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::rerun-if-changed=vglang.ml
[INFO] [stderr]   codegen("/opt/rustwide/workdir/src/ml/opcode.rs"):
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   codegen: write file "/opt/rustwide/workdir/src/ml/opcode.rs" error: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (554) panicked at build.rs:12:6:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Fatal(Io("write file \"/opt/rustwide/workdir/src/ml/opcode.rs\" error: Read-only file system (os error 30)"))
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ed7f325c8e2 - std::backtrace_rs::backtrace::libunwind::trace::ha2a9ae9e69b87a03
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ed7f325c8e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h7757f80677e51a33
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ed7f325c8e2 - std::sys::backtrace::_print_fmt::h6552c7cfff6c56fd
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5ed7f325c8e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8094475e363f1053
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5ed7f326c4cf - core::fmt::rt::Argument::fmt::h88a25a51f53034c0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5ed7f326c4cf - core::fmt::write::h501eb1fe28dabfbb
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5ed7f3231471 - std::io::default_write_fmt::h992ad3fe47aac8bd
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5ed7f3231471 - std::io::Write::write_fmt::h8b96bc323947a405
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5ed7f323b622 - std::sys::backtrace::BacktraceLock::print::h7aea9e658d3d67e5
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5ed7f323d63f - std::panicking::default_hook::{{closure}}::h9182baa5e2ff55c0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5ed7f323d499 - std::panicking::default_hook::hfb4945b05f344c7f
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5ed7f323dd75 - std::panicking::panic_with_hook::h56e601fd3ec36096
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5ed7f323db5a - std::panicking::panic_handler::{{closure}}::h1609d3c3912948cb
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5ed7f323b759 - std::sys::backtrace::__rust_end_short_backtrace::h03d671aa8d777602
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5ed7f32257fd - __rustc[aa3aaccdf5d52e38]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5ed7f3270b70 - core::panicking::panic_fmt::h2ccb5f5950fb2ea3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x5ed7f326fb86 - core::result::unwrap_failed::h1234828aefe38261
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x5ed7f315dc0f - build_script_build::ml_gen::hd9c195d930e60525
[INFO] [stderr]     18:     0x5ed7f315da31 - build_script_build::main::h19c3e8bcc2fbd2ec
[INFO] [stderr]     19:     0x5ed7f3159a83 - core::ops::function::FnOnce::call_once::hd2770b25967e2694
[INFO] [stderr]     20:     0x5ed7f315e536 - std::sys::backtrace::__rust_begin_short_backtrace::h27048fa586810ab0
[INFO] [stderr]     21:     0x5ed7f3159a19 - std::rt::lang_start::{{closure}}::h56c1a9965bc89da7
[INFO] [stderr]     22:     0x5ed7f3232ed0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::haefda49eac6aabe3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5ed7f3232ed0 - std::panicking::catch_unwind::do_call::hf37797e2fddac2f0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x5ed7f3232ed0 - std::panicking::catch_unwind::h909d1e8985436f28
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x5ed7f3232ed0 - std::panic::catch_unwind::h5491b1948f80f254
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5ed7f3232ed0 - std::rt::lang_start_internal::{{closure}}::hf621f85e52fbc16b
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5ed7f3232ed0 - std::panicking::catch_unwind::do_call::h2de2328545762ad7
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x5ed7f3232ed0 - std::panicking::catch_unwind::h544f60d1149df03e
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x5ed7f3232ed0 - std::panic::catch_unwind::h90e123b5fe5a521c
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5ed7f3232ed0 - std::rt::lang_start_internal::hce9ddc5b3402b0d3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5ed7f3159a01 - std::rt::lang_start::ha11e57cef8541b0a
[INFO] [stderr]     32:     0x5ed7f3161135 - main
[INFO] [stderr]     33:     0x72cb8d7c31ca - <unknown>
[INFO] [stderr]     34:     0x72cb8d7c328b - __libc_start_main
[INFO] [stderr]     35:     0x5ed7f3159385 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "192c3b470599b86a0acfc7fdcfe73968701ec739293eb156fce2575fa7577fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192c3b470599b86a0acfc7fdcfe73968701ec739293eb156fce2575fa7577fae", kill_on_drop: false }`
[INFO] [stdout] 192c3b470599b86a0acfc7fdcfe73968701ec739293eb156fce2575fa7577fae