[INFO] fetching crate vglang 0.1.5...
[INFO] testing vglang-0.1.5 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate vglang 0.1.5 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vglang 0.1.5 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest Rust 1.93.0-nightly compatible versions
[INFO] [stderr]       Adding mlang-rs v0.2.5
[INFO] [stderr]       Adding parserc v0.4.2 (available: v0.10.11)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sval_nested v2.14.0
[INFO] [stderr]   Downloaded value-bag-sval2 v1.10.0
[INFO] [stderr]   Downloaded sval_json v2.14.0
[INFO] [stderr]   Downloaded divan-macros v0.1.17
[INFO] [stderr]   Downloaded sval_buffer v2.14.0
[INFO] [stderr]   Downloaded xml_dom v0.2.8
[INFO] [stderr]   Downloaded divan v0.1.17
[INFO] [stderr]   Downloaded sval_ref v2.14.0
[INFO] [stderr]   Downloaded parserc v0.4.2
[INFO] [stderr]   Downloaded sval_fmt v2.14.0
[INFO] [stderr]   Downloaded value-bag-serde1 v1.10.0
[INFO] [stderr]   Downloaded sval v2.14.0
[INFO] [stderr]   Downloaded sval_dynamic v2.14.0
[INFO] [stderr]   Downloaded mlang-rs v0.2.5
[INFO] [stderr]   Downloaded sval_serde v2.14.0
[INFO] [stderr]   Downloaded value-bag v1.10.0
[INFO] [stderr]   Downloaded condtype v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b909132c278c794f7724648f9c0972181cff18a334aca8c35c5d0a8b9bd3b20
[INFO] running `Command { std: "docker" "start" "-a" "8b909132c278c794f7724648f9c0972181cff18a334aca8c35c5d0a8b9bd3b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b909132c278c794f7724648f9c0972181cff18a334aca8c35c5d0a8b9bd3b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b909132c278c794f7724648f9c0972181cff18a334aca8c35c5d0a8b9bd3b20", kill_on_drop: false }`
[INFO] [stdout] 8b909132c278c794f7724648f9c0972181cff18a334aca8c35c5d0a8b9bd3b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b4963f63b3e8be537651eef168d4d1b1081f08dcf4cea55e465b0ed0713617e
[INFO] running `Command { std: "docker" "start" "-a" "8b4963f63b3e8be537651eef168d4d1b1081f08dcf4cea55e465b0ed0713617e", 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 bytes v1.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling quick-xml v0.36.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[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 tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v2.0.11
[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' (456) 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:     0x5940efe49e72 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5940efe49e72 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5940efe49e72 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5940efe49e72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5940efe5969f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5940efe5969f - core::fmt::write::h24186904251c31cb
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5940efe1f293 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5940efe1f293 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5940efe29072 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5940efe2b0df - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5940efe2af39 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5940efe2b765 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5940efe2b54a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5940efe291a9 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5940efe136fd - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5940efe5ddb0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5940efe5cda6 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x5940efd4f63f - build_script_build::ml_gen::h1f659ef4ddc63725
[INFO] [stderr]     18:     0x5940efd4f461 - build_script_build::main::ha98cfce6b8578ebc
[INFO] [stderr]     19:     0x5940efd4ff53 - core::ops::function::FnOnce::call_once::h5b008658ccb5296b
[INFO] [stderr]     20:     0x5940efd4fbc6 - std::sys::backtrace::__rust_begin_short_backtrace::h4bfd6ba23e705847
[INFO] [stderr]     21:     0x5940efd4fa39 - std::rt::lang_start::{{closure}}::h403373362f95663b
[INFO] [stderr]     22:     0x5940efe20ce0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5940efe20ce0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x5940efe20ce0 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x5940efe20ce0 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5940efe20ce0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5940efe20ce0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x5940efe20ce0 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x5940efe20ce0 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5940efe20ce0 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5940efd4fa21 - std::rt::lang_start::hb6fa35e4bf1c32eb
[INFO] [stderr]     32:     0x5940efd528d5 - main
[INFO] [stderr]     33:     0x712334fa11ca - <unknown>
[INFO] [stderr]     34:     0x712334fa128b - __libc_start_main
[INFO] [stderr]     35:     0x5940efd4ac65 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8b4963f63b3e8be537651eef168d4d1b1081f08dcf4cea55e465b0ed0713617e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4963f63b3e8be537651eef168d4d1b1081f08dcf4cea55e465b0ed0713617e", kill_on_drop: false }`
[INFO] [stdout] 8b4963f63b3e8be537651eef168d4d1b1081f08dcf4cea55e465b0ed0713617e