[INFO] cloning repository https://github.com/witchof0x20/mcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/witchof0x20/mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwitchof0x20%2Fmcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwitchof0x20%2Fmcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0cc3bf26e6dde36dab6a1441b841ab9e34672221 [INFO] checking witchof0x20/mcp against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwitchof0x20%2Fmcp" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/witchof0x20/mcp on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/witchof0x20/mcp [INFO] finished tweaking git repo https://github.com/witchof0x20/mcp [INFO] tweaked toml for git repo https://github.com/witchof0x20/mcp written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/witchof0x20/mcp 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typify v0.3.0 [INFO] [stderr] Downloaded serde_valid_literal v1.0.5 [INFO] [stderr] Downloaded serde_valid v1.0.5 [INFO] [stderr] Downloaded typify-macro v0.3.0 [INFO] [stderr] Downloaded serde_valid_derive v1.0.5 [INFO] [stderr] Downloaded regress v0.10.3 [INFO] [stderr] Downloaded typify-impl v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 428f258832eb456b366f68cae7f034160e10cc49439d44aaa4da7c530c01252e [INFO] running `Command { std: "docker" "start" "-a" "428f258832eb456b366f68cae7f034160e10cc49439d44aaa4da7c530c01252e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "428f258832eb456b366f68cae7f034160e10cc49439d44aaa4da7c530c01252e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "428f258832eb456b366f68cae7f034160e10cc49439d44aaa4da7c530c01252e", kill_on_drop: false }` [INFO] [stdout] 428f258832eb456b366f68cae7f034160e10cc49439d44aaa4da7c530c01252e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 547d83550a8787814d1c3a9c1a69ec6c0b509d6e0615b17296cc1ff75d333eb1 [INFO] running `Command { std: "docker" "start" "-a" "547d83550a8787814d1c3a9c1a69ec6c0b509d6e0615b17296cc1ff75d333eb1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling serde_json v1.0.138 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling ryu v1.0.19 [INFO] [stderr] Compiling thiserror v2.0.11 [INFO] [stderr] Compiling schemars v0.8.21 [INFO] [stderr] Compiling semver v1.0.25 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling foldhash v0.1.4 [INFO] [stderr] Compiling allocator-api2 v0.2.21 [INFO] [stderr] Compiling dyn-clone v1.0.18 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling log v0.4.25 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling prettyplease v0.2.29 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Checking bytes v1.10.0 [INFO] [stderr] Checking once_cell v1.20.3 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking quote v1.0.38 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking syn v2.0.98 [INFO] [stderr] Compiling regress v0.10.3 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking serde_valid_literal v1.0.5 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling thiserror-impl v2.0.11 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling serde_valid_derive v1.0.5 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling async-trait v0.1.86 [INFO] [stderr] Compiling schemars_derive v0.8.21 [INFO] [stderr] Compiling zerofrom-derive v0.1.5 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Checking tokio v1.43.0 [INFO] [stderr] Checking zerofrom v0.1.5 [INFO] [stderr] Checking indexmap v2.7.1 [INFO] [stderr] Checking yoke v0.7.5 [INFO] [stderr] Compiling serde_tokenstream v0.2.2 [INFO] [stderr] Checking tool-macros v0.1.0 (/opt/rustwide/workdir/tool-macros) [INFO] [stderr] Checking serde_valid v1.0.5 [INFO] [stderr] Compiling typify-impl v0.3.0 [INFO] [stderr] Compiling typify-macro v0.3.0 [INFO] [stderr] Compiling typify v0.3.0 [INFO] [stderr] Compiling mcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `mcp v0.1.0 (/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/mcp-a2a7896b8f4467da/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=build.rs [INFO] [stderr] cargo:rerun-if-changed=Cargo.lock [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' panicked at build.rs:24:90: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x6370e7fff5a2 - std::backtrace_rs::backtrace::libunwind::trace::h86782f9b30952d48 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x6370e7fff5a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h698f4a8489590567 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x6370e7fff5a2 - std::sys::backtrace::_print_fmt::hf4cbe124d19fe45b [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x6370e7fff5a2 - ::fmt::h02734d88414d8d33 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x6370e801fb13 - core::fmt::rt::Argument::fmt::h45957795629c052d [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/core/src/fmt/rt.rs:153:76 [INFO] [stderr] 5: 0x6370e801fb13 - core::fmt::write::h2fd8705465798ecd [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/core/src/fmt/mod.rs:1481:21 [INFO] [stderr] 6: 0x6370e7ffd053 - std::io::default_write_fmt::h83b0118031cb785e [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x6370e7ffd053 - std::io::Write::write_fmt::h86e5e948b933baf0 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/io/mod.rs:1914:13 [INFO] [stderr] 8: 0x6370e7fff3f2 - std::sys::backtrace::BacktraceLock::print::ha385bb074148a5c5 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x6370e8000472 - std::panicking::default_hook::{{closure}}::h668adbdebe90c053 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:300:22 [INFO] [stderr] 10: 0x6370e8000275 - std::panicking::default_hook::h83ad3de7f4834186 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:327:9 [INFO] [stderr] 11: 0x6370e8000e92 - std::panicking::rust_panic_with_hook::haf9832d22bd22c19 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:833:13 [INFO] [stderr] 12: 0x6370e8000c1a - std::panicking::begin_panic_handler::{{closure}}::hb762d64eeff9beca [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:706:13 [INFO] [stderr] 13: 0x6370e7fffaa9 - std::sys::backtrace::__rust_end_short_backtrace::hfa0ea9af810a7735 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/sys/backtrace.rs:168:18 [INFO] [stderr] 14: 0x6370e80008ad - __rustc[bd5f65a9325ef3a6]::rust_begin_unwind [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:697:5 [INFO] [stderr] 15: 0x6370e801def0 - core::panicking::panic_fmt::h4f22ffdd3f840928 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x6370e801e3b6 - core::result::unwrap_failed::ha5995f67818ef0fc [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/core/src/result.rs:1704:5 [INFO] [stderr] 17: 0x6370e7ad5e92 - build_script_build::main::hc43af679fd3f3b1c [INFO] [stderr] 18: 0x6370e7ae2dc3 - core::ops::function::FnOnce::call_once::h030ffc688758f1a1 [INFO] [stderr] 19: 0x6370e7ad1246 - std::sys::backtrace::__rust_begin_short_backtrace::hccbca5f4c75ff4ee [INFO] [stderr] 20: 0x6370e7ae2d09 - std::rt::lang_start::{{closure}}::h7dfc89d3db9bf698 [INFO] [stderr] 21: 0x6370e7ff92c0 - core::ops::function::impls:: for &F>::call_once::h346f572104a3cf85 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 22: 0x6370e7ff92c0 - std::panicking::try::do_call::h571c3d2a3e9e26f3 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:589:40 [INFO] [stderr] 23: 0x6370e7ff92c0 - std::panicking::try::h1f2d44c0e009b873 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:552:19 [INFO] [stderr] 24: 0x6370e7ff92c0 - std::panic::catch_unwind::h6cd9389cf79e195e [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x6370e7ff92c0 - std::rt::lang_start_internal::{{closure}}::hed90aef4244362c7 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/rt.rs:168:24 [INFO] [stderr] 26: 0x6370e7ff92c0 - std::panicking::try::do_call::hf60f8e29fc0510eb [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:589:40 [INFO] [stderr] 27: 0x6370e7ff92c0 - std::panicking::try::ha4dfa4262c72a082 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panicking.rs:552:19 [INFO] [stderr] 28: 0x6370e7ff92c0 - std::panic::catch_unwind::h6ae159ff4cd2c078 [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x6370e7ff92c0 - std::rt::lang_start_internal::h11ab503adf86febc [INFO] [stderr] at /rustc/81185c2d21df0ba45fd33e65bbdce76dc0d89bd9/library/std/src/rt.rs:164:5 [INFO] [stderr] 30: 0x6370e7ae2cf1 - std::rt::lang_start::h1910216c14a50ff6 [INFO] [stderr] 31: 0x6370e7ad6a15 - main [INFO] [stderr] 32: 0x7343250b81ca - [INFO] [stderr] 33: 0x7343250b828b - __libc_start_main [INFO] [stderr] 34: 0x6370e7ab8ca5 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "547d83550a8787814d1c3a9c1a69ec6c0b509d6e0615b17296cc1ff75d333eb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "547d83550a8787814d1c3a9c1a69ec6c0b509d6e0615b17296cc1ff75d333eb1", kill_on_drop: false }` [INFO] [stdout] 547d83550a8787814d1c3a9c1a69ec6c0b509d6e0615b17296cc1ff75d333eb1