[INFO] fetching crate tcl-mcp-server 0.1.2...
[INFO] building tcl-mcp-server-0.1.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tcl-mcp-server 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tcl-mcp-server 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tcl-mcp-server 0.1.2
[INFO] tweaked toml for crates.io crate tcl-mcp-server 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcl-mcp-server 0.1.2 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 tcl-mcp-server 0.1.2 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mutf8 v0.2.0
[INFO] [stderr]   Downloaded hyper-util v0.1.15
[INFO] [stderr]   Downloaded cex_derive v0.5.2
[INFO] [stderr]   Downloaded cex v0.5.2
[INFO] [stderr]   Downloaded jsonrpc-core v18.0.0
[INFO] [stderr]   Downloaded tuplex v0.1.2
[INFO] [stderr]   Downloaded tcl v0.1.9
[INFO] [stderr]   Downloaded clib v0.2.4
[INFO] [stderr]   Downloaded molt v0.3.1
[INFO] [stderr]   Downloaded cc v1.2.29
[INFO] [stderr]   Downloaded enumx_derive v0.4.2
[INFO] [stderr]   Downloaded enumx v0.4.3
[INFO] [stderr]   Downloaded inwelling v0.5.5
[INFO] [stderr]   Downloaded bind_syn v0.1.0
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded tcl_derive v0.1.5
[INFO] [stderr]   Downloaded rustls v0.23.29
[INFO] [stderr]   Downloaded rust-mcp-schema v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 783c05fff09748ca0fa2c9e6703b4a94903c84a89fe8952b48e929fba87a84fa
[INFO] running `Command { std: "docker" "start" "-a" "783c05fff09748ca0fa2c9e6703b4a94903c84a89fe8952b48e929fba87a84fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783c05fff09748ca0fa2c9e6703b4a94903c84a89fe8952b48e929fba87a84fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783c05fff09748ca0fa2c9e6703b4a94903c84a89fe8952b48e929fba87a84fa", kill_on_drop: false }`
[INFO] [stdout] 783c05fff09748ca0fa2c9e6703b4a94903c84a89fe8952b48e929fba87a84fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 77f6e9132e9eecce407337ee2a99f79fc301c0ef21d382092b9c9b62a3d8e69a
[INFO] running `Command { std: "docker" "start" "-a" "77f6e9132e9eecce407337ee2a99f79fc301c0ef21d382092b9c9b62a3d8e69a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling tcl-mcp-server v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling molt v0.3.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr] error: failed to run custom build command for `tcl-mcp-server v0.1.2 (/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/tcl-mcp-server-83af5a209b14135d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (333) panicked at build.rs:178:36:
[INFO] [stderr]   Failed to create target directory: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5557c7f82f32 - 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:     0x5557c7f82f32 - 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:     0x5557c7f82f32 - std::sys::backtrace::_print_fmt::h6552c7cfff6c56fd
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5557c7f82f32 - <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:     0x5557c7f9216f - core::fmt::rt::Argument::fmt::h88a25a51f53034c0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5557c7f9216f - core::fmt::write::h501eb1fe28dabfbb
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5557c7f60171 - std::io::default_write_fmt::h992ad3fe47aac8bd
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5557c7f60171 - std::io::Write::write_fmt::h8b96bc323947a405
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5557c7f65c22 - std::sys::backtrace::BacktraceLock::print::h7aea9e658d3d67e5
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5557c7f676bc - std::panicking::default_hook::{{closure}}::h9182baa5e2ff55c0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5557c7f67516 - std::panicking::default_hook::hfb4945b05f344c7f
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5557c7f67d45 - std::panicking::panic_with_hook::h56e601fd3ec36096
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5557c7f67bda - std::panicking::panic_handler::{{closure}}::h1609d3c3912948cb
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5557c7f65d59 - std::sys::backtrace::__rust_end_short_backtrace::h03d671aa8d777602
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5557c7f5469d - __rustc[aa3aaccdf5d52e38]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5557c7f95640 - core::panicking::panic_fmt::h2ccb5f5950fb2ea3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x5557c7f94e16 - core::result::unwrap_failed::h1234828aefe38261
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x5557c7f53620 - core::result::Result<T,E>::expect::h29f98f82cc5d2c22
[INFO] [stderr]     18:     0x5557c7f51689 - build_script_build::main::hdebfa2938df1d8bf
[INFO] [stderr]     19:     0x5557c7f527f3 - core::ops::function::FnOnce::call_once::hdd79de5ec90be110
[INFO] [stderr]     20:     0x5557c7f52606 - std::sys::backtrace::__rust_begin_short_backtrace::h391c1e2e746527a3
[INFO] [stderr]     21:     0x5557c7f52569 - std::rt::lang_start::{{closure}}::h04b131234e1e5c3e
[INFO] [stderr]     22:     0x5557c7f619e0 - 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:     0x5557c7f619e0 - std::panicking::catch_unwind::do_call::hf37797e2fddac2f0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x5557c7f619e0 - std::panicking::catch_unwind::h909d1e8985436f28
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x5557c7f619e0 - std::panic::catch_unwind::h5491b1948f80f254
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5557c7f619e0 - std::rt::lang_start_internal::{{closure}}::hf621f85e52fbc16b
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5557c7f619e0 - std::panicking::catch_unwind::do_call::h2de2328545762ad7
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x5557c7f619e0 - std::panicking::catch_unwind::h544f60d1149df03e
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x5557c7f619e0 - std::panic::catch_unwind::h90e123b5fe5a521c
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5557c7f619e0 - std::rt::lang_start_internal::hce9ddc5b3402b0d3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5557c7f52551 - std::rt::lang_start::h7fc56db230858fd8
[INFO] [stderr]     32:     0x5557c7f54395 - main
[INFO] [stderr]     33:     0x75fd9a0861ca - <unknown>
[INFO] [stderr]     34:     0x75fd9a08628b - __libc_start_main
[INFO] [stderr]     35:     0x5557c7f50a35 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "77f6e9132e9eecce407337ee2a99f79fc301c0ef21d382092b9c9b62a3d8e69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f6e9132e9eecce407337ee2a99f79fc301c0ef21d382092b9c9b62a3d8e69a", kill_on_drop: false }`
[INFO] [stdout] 77f6e9132e9eecce407337ee2a99f79fc301c0ef21d382092b9c9b62a3d8e69a