[INFO] fetching crate dexterous_developer_instance 0.4.0-alpha.3... [INFO] testing dexterous_developer_instance-0.4.0-alpha.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate dexterous_developer_instance 0.4.0-alpha.3 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate dexterous_developer_instance 0.4.0-alpha.3 [INFO] finished tweaking crates.io crate dexterous_developer_instance 0.4.0-alpha.3 [INFO] tweaked toml for crates.io crate dexterous_developer_instance 0.4.0-alpha.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dexterous_developer_instance 0.4.0-alpha.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 134 packages to latest compatible versions [INFO] [stderr] Adding prefer-dynamic v0.1.2 (available: v0.2.1) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0271cf2705afe77aaa6ac4f8db8c65acbdd4e9ddb52d8aa2a24bf5cb1e9b122 [INFO] running `Command { std: "docker" "start" "-a" "d0271cf2705afe77aaa6ac4f8db8c65acbdd4e9ddb52d8aa2a24bf5cb1e9b122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0271cf2705afe77aaa6ac4f8db8c65acbdd4e9ddb52d8aa2a24bf5cb1e9b122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0271cf2705afe77aaa6ac4f8db8c65acbdd4e9ddb52d8aa2a24bf5cb1e9b122", kill_on_drop: false }` [INFO] [stdout] d0271cf2705afe77aaa6ac4f8db8c65acbdd4e9ddb52d8aa2a24bf5cb1e9b122 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e28cc79edae87dace35713ade44434bc8060ca563384f344d7cc1fbe5008abf7 [INFO] running `Command { std: "docker" "start" "-a" "e28cc79edae87dace35713ade44434bc8060ca563384f344d7cc1fbe5008abf7", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling prettyplease v0.1.25 [INFO] [stderr] Compiling camino v1.2.1 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling macro_rules_attribute-proc_macro v0.1.3 [INFO] [stderr] Compiling safer-ffi v0.1.13 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling rmp v0.8.14 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling unwind_safe v0.1.0 [INFO] [stderr] Compiling extern-c v0.1.0 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling macro_rules_attribute v0.1.3 [INFO] [stderr] Compiling crossbeam v0.8.4 [INFO] [stderr] Compiling dashmap v6.1.0 [INFO] [stderr] Compiling ext-trait-proc_macros v1.0.1 [INFO] [stderr] Compiling with_builtin_macros-proc_macros v0.0.3 [INFO] [stderr] Compiling safer_ffi-proc_macros v0.1.13 [INFO] [stderr] Compiling ext-trait v1.0.1 [INFO] [stderr] Compiling extension-traits v1.0.1 [INFO] [stderr] Compiling uninit v0.5.1 [INFO] [stderr] Compiling with_builtin_macros v0.0.3 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling build_cfg_shared v1.1.0 [INFO] [stderr] Compiling build_cfg_macros v1.1.0 [INFO] [stderr] Compiling build_cfg v1.1.0 [INFO] [stderr] Compiling prefer-dynamic v0.1.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] error: failed to run custom build command for `prefer-dynamic v0.1.2` [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/prefer-dynamic-88bf63bbdbcce936/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=build.rs [INFO] [stderr] cargo:rerun-if-env-changed=OUT_DIR [INFO] [stderr] cargo:rerun-if-env-changed=RUSTUP_HOME [INFO] [stderr] cargo:rerun-if-env-changed=RUSTUP_TOOLCHAIN [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (838) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/prefer-dynamic-0.1.2/build.rs:80:9: [INFO] [stderr] Failed to find std lib in toolchain directory! [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5dfaa9bbec42 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5dfaa9bbec42 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5dfaa9bbec42 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5dfaa9bbec42 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5dfaa9bcdb6f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5dfaa9bcdb6f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5dfaa9b9a891 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5dfaa9b9a891 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5dfaa9ba1302 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5dfaa9ba30fc - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5dfaa9ba2f56 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5dfaa9ba3785 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5dfaa9ba35e6 - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:700:13 [INFO] [stderr] 13: 0x5dfaa9ba1439 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5dfaa9b8f25d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5dfaa9bd1180 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5dfaa9b7e688 - build_script_build::main::h592db84c85b04758 [INFO] [stderr] 17: 0x5dfaa9b7f563 - core::ops::function::FnOnce::call_once::hdc8b62341a738d32 [INFO] [stderr] 18: 0x5dfaa9b7f076 - std::sys::backtrace::__rust_begin_short_backtrace::h7d70fc4a45e419eb [INFO] [stderr] 19: 0x5dfaa9b7ef59 - std::rt::lang_start::{{closure}}::haafcddb2d576e151 [INFO] [stderr] 20: 0x5dfaa9b9c100 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 21: 0x5dfaa9b9c100 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 22: 0x5dfaa9b9c100 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 23: 0x5dfaa9b9c100 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 24: 0x5dfaa9b9c100 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 25: 0x5dfaa9b9c100 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 26: 0x5dfaa9b9c100 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 27: 0x5dfaa9b9c100 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 28: 0x5dfaa9b9c100 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 29: 0x5dfaa9b7ef41 - std::rt::lang_start::hab4702ac777e2d5c [INFO] [stderr] 30: 0x5dfaa9b829b5 - main [INFO] [stderr] 31: 0x77e61527b1ca - [INFO] [stderr] 32: 0x77e61527b28b - __libc_start_main [INFO] [stderr] 33: 0x5dfaa9b7d5c5 - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e28cc79edae87dace35713ade44434bc8060ca563384f344d7cc1fbe5008abf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e28cc79edae87dace35713ade44434bc8060ca563384f344d7cc1fbe5008abf7", kill_on_drop: false }` [INFO] [stdout] e28cc79edae87dace35713ade44434bc8060ca563384f344d7cc1fbe5008abf7