[INFO] fetching crate tcl-mcp-server 0.1.2... [INFO] testing tcl-mcp-server-0.1.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate tcl-mcp-server 0.1.2 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tcl-mcp-server 0.1.2 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded enumx v0.4.3 [INFO] [stderr] Downloaded bind_syn v0.1.0 [INFO] [stderr] Downloaded cex v0.5.2 [INFO] [stderr] Downloaded enumx_derive v0.4.2 [INFO] [stderr] Downloaded tcl v0.1.9 [INFO] [stderr] Downloaded mutf8 v0.2.0 [INFO] [stderr] Downloaded cex_derive v0.5.2 [INFO] [stderr] Downloaded clib v0.2.4 [INFO] [stderr] Downloaded inwelling v0.5.5 [INFO] [stderr] Downloaded tcl_derive v0.1.5 [INFO] [stderr] Downloaded molt v0.3.1 [INFO] [stderr] Downloaded rust-mcp-schema v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bbd671c00dac8ee8123181bf4c5c1ad87e0066272c5846a19fa56add94817da [INFO] running `Command { std: "docker" "start" "-a" "0bbd671c00dac8ee8123181bf4c5c1ad87e0066272c5846a19fa56add94817da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bbd671c00dac8ee8123181bf4c5c1ad87e0066272c5846a19fa56add94817da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bbd671c00dac8ee8123181bf4c5c1ad87e0066272c5846a19fa56add94817da", kill_on_drop: false }` [INFO] [stdout] 0bbd671c00dac8ee8123181bf4c5c1ad87e0066272c5846a19fa56add94817da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbb2869086997e2769c8c824005b8c10528c47d186735dbd7e9283538df2d0c4 [INFO] running `Command { std: "docker" "start" "-a" "cbb2869086997e2769c8c824005b8c10528c47d186735dbd7e9283538df2d0c4", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.2.29 [INFO] [stderr] Compiling socket2 v0.5.10 [INFO] [stderr] Compiling signal-hook-registry v1.4.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling time v0.3.41 [INFO] [stderr] Compiling clap_builder v4.5.41 [INFO] [stderr] Compiling dirs-sys v0.4.1 [INFO] [stderr] Compiling clap_derive v4.5.41 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling filetime v0.2.25 [INFO] [stderr] Compiling tokio v1.46.1 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling tcl-mcp-server v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling dyn-clone v1.0.19 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling rust-mcp-schema v0.1.11 [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' (346) 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: 0x60b71afdd182 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x60b71afdd182 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x60b71afdd182 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x60b71afdd182 - ::fmt::h5bb8a979ba5db788 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x60b71afec31f - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x60b71afec31f - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x60b71afba903 - std::io::default_write_fmt::hb0810a37865e52a5 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x60b71afba903 - std::io::Write::write_fmt::h12c8908aaac7ca22 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x60b71afc0122 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x60b71afc1bec - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x60b71afc1a46 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x60b71afc21c5 - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x60b71afc205a - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x60b71afc0259 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x60b71afaeb4d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x60b71afef7e0 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x60b71afeefc6 - core::result::unwrap_failed::h3ce108722ad88f1e [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1852:5 [INFO] [stderr] 17: 0x60b71afadb00 - core::result::Result::expect::h91518a4df4e058c8 [INFO] [stderr] 18: 0x60b71afabb59 - build_script_build::main::h42b39e41df39cc09 [INFO] [stderr] 19: 0x60b71afaccc3 - core::ops::function::FnOnce::call_once::he41e13ca922eea2b [INFO] [stderr] 20: 0x60b71afacad6 - std::sys::backtrace::__rust_begin_short_backtrace::h513d3ef80076a2ef [INFO] [stderr] 21: 0x60b71afaca39 - std::rt::lang_start::{{closure}}::h862a59fbfd63a11e [INFO] [stderr] 22: 0x60b71afbbed0 - core::ops::function::impls:: for &F>::call_once::h1dc0a50e6295ec78 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 23: 0x60b71afbbed0 - std::panicking::catch_unwind::do_call::h209f742e9999044e [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stderr] 24: 0x60b71afbbed0 - std::panicking::catch_unwind::h508c6e2aa6d72749 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stderr] 25: 0x60b71afbbed0 - std::panic::catch_unwind::hebcbb24aa9914693 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stderr] 26: 0x60b71afbbed0 - std::rt::lang_start_internal::{{closure}}::h703cbe32967ef209 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:175:24 [INFO] [stderr] 27: 0x60b71afbbed0 - std::panicking::catch_unwind::do_call::hf50f2a30bce4e10b [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stderr] 28: 0x60b71afbbed0 - std::panicking::catch_unwind::hac448d7e3b12daa3 [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stderr] 29: 0x60b71afbbed0 - std::panic::catch_unwind::ha9d74a13d77f299c [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stderr] 30: 0x60b71afbbed0 - std::rt::lang_start_internal::ha26d244788d1956d [INFO] [stderr] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:171:5 [INFO] [stderr] 31: 0x60b71afaca21 - std::rt::lang_start::h149d01255bd5177d [INFO] [stderr] 32: 0x60b71afae845 - main [INFO] [stderr] 33: 0x7ad4d23bf1ca - [INFO] [stderr] 34: 0x7ad4d23bf28b - __libc_start_main [INFO] [stderr] 35: 0x60b71afaaf15 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "cbb2869086997e2769c8c824005b8c10528c47d186735dbd7e9283538df2d0c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbb2869086997e2769c8c824005b8c10528c47d186735dbd7e9283538df2d0c4", kill_on_drop: false }` [INFO] [stdout] cbb2869086997e2769c8c824005b8c10528c47d186735dbd7e9283538df2d0c4