[INFO] fetching crate vglang 0.1.5...
[INFO] checking vglang-0.1.5 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[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 cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest Rust 1.90.0-nightly compatible versions
[INFO] [stderr]       Adding mlang-rs v0.2.5
[INFO] [stderr]       Adding parserc v0.4.2 (available: v0.9.1)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-bag-sval2 v1.10.0
[INFO] [stderr]   Downloaded sval_ref v2.14.0
[INFO] [stderr]   Downloaded sval_serde v2.14.0
[INFO] [stderr]   Downloaded sval_fmt v2.14.0
[INFO] [stderr]   Downloaded sval_dynamic v2.14.0
[INFO] [stderr]   Downloaded value-bag-serde1 v1.10.0
[INFO] [stderr]   Downloaded xml_dom v0.2.8
[INFO] [stderr]   Downloaded sval_nested v2.14.0
[INFO] [stderr]   Downloaded sval_json v2.14.0
[INFO] [stderr]   Downloaded sval_buffer v2.14.0
[INFO] [stderr]   Downloaded sval v2.14.0
[INFO] [stderr]   Downloaded parserc v0.4.2
[INFO] [stderr]   Downloaded mlang-rs v0.2.5
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7a421cc86a21cc47fb678a3a94a062befb3409130f3e8a817d5f60be7d72a24
[INFO] running `Command { std: "docker" "start" "-a" "c7a421cc86a21cc47fb678a3a94a062befb3409130f3e8a817d5f60be7d72a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a421cc86a21cc47fb678a3a94a062befb3409130f3e8a817d5f60be7d72a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a421cc86a21cc47fb678a3a94a062befb3409130f3e8a817d5f60be7d72a24", kill_on_drop: false }`
[INFO] [stdout] c7a421cc86a21cc47fb678a3a94a062befb3409130f3e8a817d5f60be7d72a24
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 456327f57543bb925d79f930e89b75c2a0759e185fda6fa07c8100928504d135
[INFO] running `Command { std: "docker" "start" "-a" "456327f57543bb925d79f930e89b75c2a0759e185fda6fa07c8100928504d135", 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]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking quick-xml v0.36.2
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]     Checking terminal_size v0.4.1
[INFO] [stderr]     Checking clap_builder v4.5.31
[INFO] [stderr]     Checking is-terminal v0.4.15
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking clap v4.5.31
[INFO] [stderr]     Checking regex v1.11.1
[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 divan-macros v0.1.17
[INFO] [stderr]     Checking divan v0.1.17
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking serde_fmt v1.0.3
[INFO] [stderr]     Checking erased-serde v0.4.5
[INFO] [stderr]     Checking value-bag-serde1 v1.10.0
[INFO] [stderr]     Checking value-bag v1.10.0
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking parserc v0.4.2
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking xml_dom v0.2.8
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking 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-0e4d894888b7dee6/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' 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:     0x599af4534912 - std::backtrace_rs::backtrace::libunwind::trace::h78562a013ab6f1d1
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x599af4534912 - std::backtrace_rs::backtrace::trace_unsynchronized::h77ced773b5be47e3
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x599af4534912 - std::sys::backtrace::_print_fmt::hd8554b653175eb90
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x599af4534912 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h0ee684fa48ea65a9
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x599af4554de3 - core::fmt::rt::Argument::fmt::h97dc4aa34475380b
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x599af4554de3 - core::fmt::write::ha7e9dac23b0574fc
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x599af4531e43 - std::io::default_write_fmt::hdebc07c8b1ed24d8
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x599af4531e43 - std::io::Write::write_fmt::h74c2ee93ac2161e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x599af4534762 - std::sys::backtrace::BacktraceLock::print::h5d2ec0ae212b38da
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x599af45357d6 - std::panicking::default_hook::{{closure}}::h919f804d261dd9ce
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x599af45355d9 - std::panicking::default_hook::h96273494815ab2d6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x599af45360e2 - std::panicking::rust_panic_with_hook::hd760048b5d2d6151
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x599af4535f7a - std::panicking::begin_panic_handler::{{closure}}::h040646f2e9c9f682
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x599af4534e09 - std::sys::backtrace::__rust_end_short_backtrace::h6a810defc53f5213
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x599af4535c0d - __rustc[d0903a379a499752]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x599af4553fb0 - core::panicking::panic_fmt::hdb4e2ff26c68ec1f
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x599af4554446 - core::result::unwrap_failed::h56d5f7e14f636e03
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x599af445868f - build_script_build::ml_gen::h7c90bf68b44b5b82
[INFO] [stderr]     18:     0x599af4458791 - build_script_build::main::h15e4e83d437e3670
[INFO] [stderr]     19:     0x599af4453c93 - core::ops::function::FnOnce::call_once::h09c0ebfe6bf726d0
[INFO] [stderr]     20:     0x599af4459066 - std::sys::backtrace::__rust_begin_short_backtrace::h2995fb5be68b7255
[INFO] [stderr]     21:     0x599af4458f79 - std::rt::lang_start::{{closure}}::h737220c79b525554
[INFO] [stderr]     22:     0x599af452dd60 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc0a003771d36ce49
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     23:     0x599af452dd60 - std::panicking::catch_unwind::do_call::h9858643921646d98
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x599af452dd60 - std::panicking::catch_unwind::h8c86187d9aa365e4
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x599af452dd60 - std::panic::catch_unwind::h7fb0f60cd1f7dbc8
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x599af452dd60 - std::rt::lang_start_internal::{{closure}}::he8bf7dae0379adc7
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x599af452dd60 - std::panicking::catch_unwind::do_call::h14a6a5289a8309e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x599af452dd60 - std::panicking::catch_unwind::h324e7e057c6492a0
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x599af452dd60 - std::panic::catch_unwind::h707fe61980e924ea
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x599af452dd60 - std::rt::lang_start_internal::hc492c42d25e8d5e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x599af4458f61 - std::rt::lang_start::hcfe73eda1ac248f7
[INFO] [stderr]     32:     0x599af44587d5 - main
[INFO] [stderr]     33:     0x7aad0737d1ca - <unknown>
[INFO] [stderr]     34:     0x7aad0737d28b - __libc_start_main
[INFO] [stderr]     35:     0x599af4453025 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "456327f57543bb925d79f930e89b75c2a0759e185fda6fa07c8100928504d135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "456327f57543bb925d79f930e89b75c2a0759e185fda6fa07c8100928504d135", kill_on_drop: false }`
[INFO] [stdout] 456327f57543bb925d79f930e89b75c2a0759e185fda6fa07c8100928504d135