[INFO] cloning repository https://github.com/kevinmichaelchen/hello-world-rocket [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinmichaelchen/hello-world-rocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinmichaelchen%2Fhello-world-rocket", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinmichaelchen%2Fhello-world-rocket'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fa5354c64c80a8bfb6685aea9bfde8f97fb2d5ff [INFO] testing kevinmichaelchen/hello-world-rocket 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%2Fkevinmichaelchen%2Fhello-world-rocket" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kevinmichaelchen/hello-world-rocket [INFO] finished tweaking git repo https://github.com/kevinmichaelchen/hello-world-rocket [INFO] tweaked toml for git repo https://github.com/kevinmichaelchen/hello-world-rocket written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kevinmichaelchen/hello-world-rocket 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/kevinmichaelchen/hello-world-rocket 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3d148702a5fcfd4be0bfcffd510361e91cdb1f538aee4e217818de33e052d08e [INFO] running `Command { std: "docker" "start" "-a" "3d148702a5fcfd4be0bfcffd510361e91cdb1f538aee4e217818de33e052d08e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d148702a5fcfd4be0bfcffd510361e91cdb1f538aee4e217818de33e052d08e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d148702a5fcfd4be0bfcffd510361e91cdb1f538aee4e217818de33e052d08e", kill_on_drop: false }` [INFO] [stdout] 3d148702a5fcfd4be0bfcffd510361e91cdb1f538aee4e217818de33e052d08e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cf8f1b1b0f684a8c6840ec518db301672aff594e022f82b9a9540fa4879fd9fd [INFO] running `Command { std: "docker" "start" "-a" "cf8f1b1b0f684a8c6840ec518db301672aff594e022f82b9a9540fa4879fd9fd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling smallvec v0.6.7 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling serde v1.0.81 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { } [INFO] [stdout] | ------------------------------------------------ first implementation here [INFO] [stdout] 72 | unsafe impl Trait for ::std::marker::Send + Send + Sync { } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:73:1 [INFO] [stdout] | [INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { } [INFO] [stdout] | ------------------------------------------------ first implementation here [INFO] [stdout] 72 | unsafe impl Trait for ::std::marker::Send + Send + Sync { } [INFO] [stdout] 73 | unsafe impl Trait for ::std::marker::Sync + Send { } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:75:1 [INFO] [stdout] | [INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { } [INFO] [stdout] | ------------------------------------------------ first implementation here [INFO] [stdout] ... [INFO] [stdout] 75 | unsafe impl Trait for ::std::marker::Sync + Send + Sync { } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rocket_codegen v0.4.0 [INFO] [stdout] For more information about this error, try `rustc --explain E0119`. [INFO] [stdout] [INFO] [stderr] error: could not compile `traitobject` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: failed to run custom build command for `pear_codegen 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/pear_codegen-3f0d0484df7c7d00/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.91.0-beta.3 (2025-09-20). Minimum required: 1.31.0-nightly (2018-10-05). [INFO] [stderr] [INFO] [stderr] thread 'main' (507) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pear_codegen-0.1.2/build.rs:31:13: [INFO] [stderr] Aborting compilation due to incompatible compiler. [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5d25adb9f062 - 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: 0x5d25adb9f062 - 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: 0x5d25adb9f062 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5d25adb9f062 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5d25adbae47f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5d25adbae47f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5d25adb74b91 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5d25adb74b91 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5d25adb7e5a2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5d25adb8028c - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5d25adb800e6 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5d25adb80915 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5d25adb7ffdc - std::panicking::begin_panic::{{closure}}::h03764aec75fd6fbf [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:771:9 [INFO] [stderr] 13: 0x5d25adb7e6e9 - std::sys::backtrace::__rust_end_short_backtrace::h840811b1dfa0dad5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5d25adb7ffac - std::panicking::begin_panic::hcf2bdd8da61aefe8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:770:5 [INFO] [stderr] 15: 0x5d25adb5783f - build_script_build::main::h54f34413e8b92eaf [INFO] [stderr] 16: 0x5d25adb58423 - core::ops::function::FnOnce::call_once::haea3975cd5cc6567 [INFO] [stderr] 17: 0x5d25adb58236 - std::sys::backtrace::__rust_begin_short_backtrace::h97a4bad7bb931974 [INFO] [stderr] 18: 0x5d25adb58219 - std::rt::lang_start::{{closure}}::hde14367ba785f2e1 [INFO] [stderr] 19: 0x5d25adb76570 - 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: 0x5d25adb76570 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 21: 0x5d25adb76570 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 22: 0x5d25adb76570 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 23: 0x5d25adb76570 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 24: 0x5d25adb76570 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x5d25adb76570 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x5d25adb76570 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x5d25adb76570 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 28: 0x5d25adb58201 - std::rt::lang_start::hd50532c09f5d428e [INFO] [stderr] 29: 0x5d25adb58ec5 - main [INFO] [stderr] 30: 0x7896aeee11ca - [INFO] [stderr] 31: 0x7896aeee128b - __libc_start_main [INFO] [stderr] 32: 0x5d25adb572e5 - _start [INFO] [stderr] 33: 0x0 - [INFO] running `Command { std: "docker" "inspect" "cf8f1b1b0f684a8c6840ec518db301672aff594e022f82b9a9540fa4879fd9fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf8f1b1b0f684a8c6840ec518db301672aff594e022f82b9a9540fa4879fd9fd", kill_on_drop: false }` [INFO] [stdout] cf8f1b1b0f684a8c6840ec518db301672aff594e022f82b9a9540fa4879fd9fd