[INFO] fetching crate tcl-mcp-server 0.1.2... [INFO] testing tcl-mcp-server-0.1.2 against 1.91.0 for beta-1.92-2 [INFO] extracting crate tcl-mcp-server 0.1.2 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tcl-mcp-server 0.1.2 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bind_syn v0.1.0 [INFO] [stderr] Downloaded inwelling v0.5.5 [INFO] [stderr] Downloaded tuplex v0.1.2 [INFO] [stderr] Downloaded tracing-appender v0.2.3 [INFO] [stderr] Downloaded tcl_derive v0.1.5 [INFO] [stderr] Downloaded enumx_derive v0.4.2 [INFO] [stderr] Downloaded enumx v0.4.3 [INFO] [stderr] Downloaded mutf8 v0.2.0 [INFO] [stderr] Downloaded tcl v0.1.9 [INFO] [stderr] Downloaded env_logger v0.10.2 [INFO] [stderr] Downloaded libredox v0.1.4 [INFO] [stderr] Downloaded cex_derive v0.5.2 [INFO] [stderr] Downloaded peeking_take_while v0.1.2 [INFO] [stderr] Downloaded inotify v0.9.6 [INFO] [stderr] Downloaded notify v6.1.1 [INFO] [stderr] Downloaded clib v0.2.4 [INFO] [stderr] Downloaded cex v0.5.2 [INFO] [stderr] Downloaded hyper-util v0.1.15 [INFO] [stderr] Downloaded molt v0.3.1 [INFO] [stderr] Downloaded bindgen v0.64.0 [INFO] [stderr] Downloaded rust-mcp-schema v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73fe3b0133499a9dc6ac06e12d1eaa502e4030960370bf6fdbda100c1dcb5126 [INFO] running `Command { std: "docker" "start" "-a" "73fe3b0133499a9dc6ac06e12d1eaa502e4030960370bf6fdbda100c1dcb5126", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73fe3b0133499a9dc6ac06e12d1eaa502e4030960370bf6fdbda100c1dcb5126", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73fe3b0133499a9dc6ac06e12d1eaa502e4030960370bf6fdbda100c1dcb5126", kill_on_drop: false }` [INFO] [stdout] 73fe3b0133499a9dc6ac06e12d1eaa502e4030960370bf6fdbda100c1dcb5126 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ff4b399ca0ba9412a81f280bc406aa01b52fd1dd29f1cdd698093e95c65bfad [INFO] running `Command { std: "docker" "start" "-a" "8ff4b399ca0ba9412a81f280bc406aa01b52fd1dd29f1cdd698093e95c65bfad", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling slab v0.4.10 [INFO] [stderr] Compiling cc v1.2.29 [INFO] [stderr] Compiling writeable v0.6.1 [INFO] [stderr] Compiling litemap v0.8.0 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Compiling hashbrown v0.15.4 [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling anstyle-parse v0.2.7 [INFO] [stderr] Compiling sync_wrapper v1.0.2 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling anstyle-query v1.1.3 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling colorchoice v1.0.4 [INFO] [stderr] Compiling powerfmt v0.2.0 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling anstyle v1.0.11 [INFO] [stderr] Compiling deranged v0.4.0 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling indexmap v2.10.0 [INFO] [stderr] Compiling iri-string v0.7.8 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Compiling time-core v0.1.4 [INFO] [stderr] Compiling anstream v0.6.19 [INFO] [stderr] Compiling clap_lex v0.7.5 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling rustls-pki-types v1.12.0 [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling time v0.3.41 [INFO] [stderr] Compiling iana-time-zone v0.1.63 [INFO] [stderr] Compiling clap_builder v4.5.41 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling dyn-clone v1.0.19 [INFO] [stderr] Compiling signal-hook-registry v1.4.5 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling socket2 v0.5.10 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling filetime v0.2.25 [INFO] [stderr] Compiling dirs-sys v0.4.1 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling tcl-mcp-server v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling hashbrown v0.14.5 [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-b8fd66ceec22f258/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (966) 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: 0x57320992c492 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x57320992c492 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x57320992c492 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x57320992c492 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x57320993b69f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x57320993b69f - core::fmt::write::hecf68a131630c74d [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5732099098d1 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5732099098d1 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x57320990f382 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x573209910e4c - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x573209910ca6 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5732099114d5 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x57320991136a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x57320990f4b9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5732098fdd2d - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x57320993eb70 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x57320993e346 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stderr] 17: 0x5732098fccd0 - core::result::Result::expect::h57dfd230e4910eee [INFO] [stderr] 18: 0x5732098fad29 - build_script_build::main::h36c9966bb1cd4aa2 [INFO] [stderr] 19: 0x5732098fbe23 - core::ops::function::FnOnce::call_once::h8c61db224c300c2d [INFO] [stderr] 20: 0x5732098fbca6 - std::sys::backtrace::__rust_begin_short_backtrace::h5b0f37fe3e4ea6f8 [INFO] [stderr] 21: 0x5732098fbc09 - std::rt::lang_start::{{closure}}::h6fedb1feb1900816 [INFO] [stderr] 22: 0x57320990b120 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 23: 0x57320990b120 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stderr] 24: 0x57320990b120 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stderr] 25: 0x57320990b120 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stderr] 26: 0x57320990b120 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stderr] 27: 0x57320990b120 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stderr] 28: 0x57320990b120 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stderr] 29: 0x57320990b120 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stderr] 30: 0x57320990b120 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stderr] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stderr] 31: 0x5732098fbbf1 - std::rt::lang_start::hb305b608559acf14 [INFO] [stderr] 32: 0x5732098fda25 - main [INFO] [stderr] 33: 0x79d7dca9a1ca - [INFO] [stderr] 34: 0x79d7dca9a28b - __libc_start_main [INFO] [stderr] 35: 0x5732098fa0e5 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8ff4b399ca0ba9412a81f280bc406aa01b52fd1dd29f1cdd698093e95c65bfad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ff4b399ca0ba9412a81f280bc406aa01b52fd1dd29f1cdd698093e95c65bfad", kill_on_drop: false }` [INFO] [stdout] 8ff4b399ca0ba9412a81f280bc406aa01b52fd1dd29f1cdd698093e95c65bfad