[INFO] fetching crate tcl-mcp-server 0.1.2...
[INFO] building tcl-mcp-server-0.1.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tcl-mcp-server 0.1.2 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcl-mcp-server 0.1.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tcl v0.1.9
[INFO] [stderr]   Downloaded tcl_derive v0.1.5
[INFO] [stderr]   Downloaded bind_syn v0.1.0
[INFO] [stderr]   Downloaded inwelling v0.5.5
[INFO] [stderr]   Downloaded enumx_derive v0.4.2
[INFO] [stderr]   Downloaded clib v0.2.4
[INFO] [stderr]   Downloaded enumx v0.4.3
[INFO] [stderr]   Downloaded cex_derive v0.5.2
[INFO] [stderr]   Downloaded cex v0.5.2
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded molt v0.3.1
[INFO] [stderr]   Downloaded rust-mcp-schema v0.1.11
[INFO] [stderr]   Downloaded mutf8 v0.2.0
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7919e8314515073e2922512e81c3ad9a48a00f5ce6d53d4804d78beafc6cc728
[INFO] running `Command { std: "docker" "start" "-a" "7919e8314515073e2922512e81c3ad9a48a00f5ce6d53d4804d78beafc6cc728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7919e8314515073e2922512e81c3ad9a48a00f5ce6d53d4804d78beafc6cc728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7919e8314515073e2922512e81c3ad9a48a00f5ce6d53d4804d78beafc6cc728", kill_on_drop: false }`
[INFO] [stdout] 7919e8314515073e2922512e81c3ad9a48a00f5ce6d53d4804d78beafc6cc728
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 416a946fe0d5beaade8d0cd009e44a0948d332b81ea1273fad1d74aba15b31e1
[INFO] running `Command { std: "docker" "start" "-a" "416a946fe0d5beaade8d0cd009e44a0948d332b81ea1273fad1d74aba15b31e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[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 encoding_rs v0.8.35
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tcl-mcp-server v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling molt v0.3.1
[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' (374) 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:     0x64a63e2ed652 - std::backtrace_rs::backtrace::libunwind::trace::h52580dd202462214
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x64a63e2ed652 - std::backtrace_rs::backtrace::trace_unsynchronized::hc969519abce0f52b
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x64a63e2ed652 - std::sys::backtrace::_print_fmt::hfd5825900b6e0030
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x64a63e2ed652 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h427144ad75cfb218
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x64a63e2fc8df - core::fmt::rt::Argument::fmt::hd5ccc9cf97cea7f7
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x64a63e2fc8df - core::fmt::write::h593aaf5adf0f5dae
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x64a63e2cab21 - std::io::default_write_fmt::hf108c2855e591a7c
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x64a63e2cab21 - std::io::Write::write_fmt::h6e02e29a2bcc97c1
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x64a63e2d04d2 - std::sys::backtrace::BacktraceLock::print::h3953113552dca3ca
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x64a63e2d1f9c - std::panicking::default_hook::{{closure}}::h486b96ad75eafbb8
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x64a63e2d1df6 - std::panicking::default_hook::h99456317c5a1a20c
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x64a63e2d2625 - std::panicking::panic_with_hook::h67ab0df20212e4ea
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x64a63e2d24ba - std::panicking::panic_handler::{{closure}}::hc9e4a933ae92e208
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x64a63e2d0609 - std::sys::backtrace::__rust_end_short_backtrace::hbfa72df9b68c2d19
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x64a63e2bee1d - __rustc[8cce077e14951490]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x64a63e2ffd80 - core::panicking::panic_fmt::h49931053d20abf41
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x64a63e2ff586 - core::result::unwrap_failed::h7f5a2d4cf85d933f
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/result.rs:1854:5
[INFO] [stderr]     17:     0x64a63e2bddd0 - core::result::Result<T,E>::expect::h3885d6084cd0f813
[INFO] [stderr]     18:     0x64a63e2bbe29 - build_script_build::main::h274766648cb30240
[INFO] [stderr]     19:     0x64a63e2bcf93 - core::ops::function::FnOnce::call_once::hb7faffab817a1bd8
[INFO] [stderr]     20:     0x64a63e2bcda6 - std::sys::backtrace::__rust_begin_short_backtrace::hbf88cfe97fd3de75
[INFO] [stderr]     21:     0x64a63e2bcd09 - std::rt::lang_start::{{closure}}::h60695a475d6fd854
[INFO] [stderr]     22:     0x64a63e2cc240 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb84e9e033646564e
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     23:     0x64a63e2cc240 - std::panicking::catch_unwind::do_call::hbd46cd07e9e2b512
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x64a63e2cc240 - std::panicking::catch_unwind::hd048d6861d343544
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x64a63e2cc240 - std::panic::catch_unwind::h141ca8973277f822
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x64a63e2cc240 - std::rt::lang_start_internal::{{closure}}::hc1f3273d5e4e0426
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x64a63e2cc240 - std::panicking::catch_unwind::do_call::hc215ba2b02ac1f8c
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x64a63e2cc240 - std::panicking::catch_unwind::h67f54bbdc14963b0
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x64a63e2cc240 - std::panic::catch_unwind::h7d01c664f3f34538
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x64a63e2cc240 - std::rt::lang_start_internal::hcbf1d15fae983a0f
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x64a63e2bccf1 - std::rt::lang_start::hd3d9ea53d52245be
[INFO] [stderr]     32:     0x64a63e2beb15 - main
[INFO] [stderr]     33:     0x7c86e93501ca - <unknown>
[INFO] [stderr]     34:     0x7c86e935028b - __libc_start_main
[INFO] [stderr]     35:     0x64a63e2bb1e5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "416a946fe0d5beaade8d0cd009e44a0948d332b81ea1273fad1d74aba15b31e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416a946fe0d5beaade8d0cd009e44a0948d332b81ea1273fad1d74aba15b31e1", kill_on_drop: false }`
[INFO] [stdout] 416a946fe0d5beaade8d0cd009e44a0948d332b81ea1273fad1d74aba15b31e1