[INFO] cloning repository https://github.com/kaikiat/rust-backend [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaikiat/rust-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikiat%2Frust-backend", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikiat%2Frust-backend'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 116591801a0ea5348768115b1a89e8211215e780 [INFO] testing kaikiat/rust-backend against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikiat%2Frust-backend" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kaikiat/rust-backend [INFO] finished tweaking git repo https://github.com/kaikiat/rust-backend [INFO] tweaked toml for git repo https://github.com/kaikiat/rust-backend written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kaikiat/rust-backend 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] crate git repo https://github.com/kaikiat/rust-backend 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" "+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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ebbdc5cee4544afc87dee6896b6e075288b2c250d4686310a7173757d54dcf5 [INFO] running `Command { std: "docker" "start" "-a" "1ebbdc5cee4544afc87dee6896b6e075288b2c250d4686310a7173757d54dcf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ebbdc5cee4544afc87dee6896b6e075288b2c250d4686310a7173757d54dcf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ebbdc5cee4544afc87dee6896b6e075288b2c250d4686310a7173757d54dcf5", kill_on_drop: false }` [INFO] [stdout] 1ebbdc5cee4544afc87dee6896b6e075288b2c250d4686310a7173757d54dcf5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b022768556fa52aa3887cd344f492734142762b3365f37bdb28a03db2e741161 [INFO] running `Command { std: "docker" "start" "-a" "b022768556fa52aa3887cd344f492734142762b3365f37bdb28a03db2e741161", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.59 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling yansi v0.5.1 [INFO] [stderr] Compiling serde v1.0.163 [INFO] [stderr] Compiling log v0.4.18 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling percent-encoding v2.2.0 [INFO] [stderr] Compiling proc-macro2-diagnostics v0.10.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling once_cell v1.17.2 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling tracing-core v0.1.31 [INFO] [stderr] Compiling matches v0.1.10 [INFO] [stderr] Compiling tokio v1.28.2 [INFO] [stderr] Compiling time-core v0.1.1 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling time-macros v0.2.9 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling pear_codegen v0.1.5 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling bitflags v2.3.1 [INFO] [stderr] Compiling time v0.3.21 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.5` [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/pear_codegen-d307a5d349b3c299/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a 'dev' or 'nightly' version of rustc. [INFO] [stderr] Installed version: 1.91.0 (2025-09-20) [INFO] [stderr] Minimum required: 1.31.0-nightly (2018-10-05) [INFO] [stderr] [INFO] [stderr] thread 'main' (856) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pear_codegen-0.1.5/build.rs:24:13: [INFO] [stderr] Aborting compilation due to incompatible compiler. [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5dc6c466e9a2 - 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: 0x5dc6c466e9a2 - 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: 0x5dc6c466e9a2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5dc6c466e9a2 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5dc6c467deef - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5dc6c467deef - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5dc6c46444d1 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5dc6c46444d1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5dc6c464dee2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5dc6c464fbcc - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5dc6c464fa26 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5dc6c4650255 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5dc6c464f91c - std::panicking::begin_panic::{{closure}}::h03764aec75fd6fbf [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:771:9 [INFO] [stderr] 13: 0x5dc6c464e029 - std::sys::backtrace::__rust_end_short_backtrace::h840811b1dfa0dad5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5dc6c464f8ec - std::panicking::begin_panic::hcf2bdd8da61aefe8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:770:5 [INFO] [stderr] 15: 0x5dc6c46256af - build_script_build::main::h721620bfa326ed00 [INFO] [stderr] 16: 0x5dc6c4625d53 - core::ops::function::FnOnce::call_once::h3da64ad0e037796e [INFO] [stderr] 17: 0x5dc6c4625b36 - std::sys::backtrace::__rust_begin_short_backtrace::h67c9e3d04f32af11 [INFO] [stderr] 18: 0x5dc6c4625b19 - std::rt::lang_start::{{closure}}::hd84e94d8e0b96007 [INFO] [stderr] 19: 0x5dc6c4645eb0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 20: 0x5dc6c4645eb0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 21: 0x5dc6c4645eb0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 22: 0x5dc6c4645eb0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 23: 0x5dc6c4645eb0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 24: 0x5dc6c4645eb0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x5dc6c4645eb0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x5dc6c4645eb0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x5dc6c4645eb0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 28: 0x5dc6c4625b01 - std::rt::lang_start::h3d2875b5c47e4c33 [INFO] [stderr] 29: 0x5dc6c4628945 - main [INFO] [stderr] 30: 0x7cdb4f5011ca - [INFO] [stderr] 31: 0x7cdb4f50128b - __libc_start_main [INFO] [stderr] 32: 0x5dc6c4624ec5 - _start [INFO] [stderr] 33: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed for `Box<_>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/time-0.3.21/src/format_description/parse/mod.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let items = format_items [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | Ok(items.into()) [INFO] [stdout] | ---- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `items` an explicit type, where the placeholders `_` are specified [INFO] [stdout] | [INFO] [stdout] 83 | let items: Box<_> = format_items [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `time` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "b022768556fa52aa3887cd344f492734142762b3365f37bdb28a03db2e741161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b022768556fa52aa3887cd344f492734142762b3365f37bdb28a03db2e741161", kill_on_drop: false }` [INFO] [stdout] b022768556fa52aa3887cd344f492734142762b3365f37bdb28a03db2e741161