[INFO] fetching crate diced-py 0.1.2... [INFO] testing diced-py-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate diced-py 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate diced-py 0.1.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate diced-py 0.1.2 [INFO] tweaked toml for crates.io crate diced-py 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate diced-py 0.1.2 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 22 packages to latest compatible versions [INFO] [stderr] Adding pyo3 v0.22.6 (available: v0.26.0) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 27e77c0c3eb28a71cb8c4bad27078519d215eef20a3656b6b108593ed2de3491 [INFO] running `Command { std: "docker" "start" "-a" "27e77c0c3eb28a71cb8c4bad27078519d215eef20a3656b6b108593ed2de3491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27e77c0c3eb28a71cb8c4bad27078519d215eef20a3656b6b108593ed2de3491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27e77c0c3eb28a71cb8c4bad27078519d215eef20a3656b6b108593ed2de3491", kill_on_drop: false }` [INFO] [stdout] 27e77c0c3eb28a71cb8c4bad27078519d215eef20a3656b6b108593ed2de3491 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a1742cfbef11b59d1c148f946ce209bc9cd20dd324744e2aba586f2f7364c990 [INFO] running `Command { std: "docker" "start" "-a" "a1742cfbef11b59d1c148f946ce209bc9cd20dd324744e2aba586f2f7364c990", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.12.16 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling unindent v0.2.4 [INFO] [stderr] Compiling indoc v2.0.6 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling pyo3-build-config v0.22.6 [INFO] [stderr] Compiling diced v0.1.2 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling pyo3-macros-backend v0.22.6 [INFO] [stderr] Compiling pyo3-ffi v0.22.6 [INFO] [stderr] Compiling pyo3 v0.22.6 [INFO] [stderr] Compiling pyo3-macros v0.22.6 [INFO] [stderr] Compiling diced-py v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.57s [INFO] running `Command { std: "docker" "inspect" "a1742cfbef11b59d1c148f946ce209bc9cd20dd324744e2aba586f2f7364c990", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1742cfbef11b59d1c148f946ce209bc9cd20dd324744e2aba586f2f7364c990", kill_on_drop: false }` [INFO] [stdout] a1742cfbef11b59d1c148f946ce209bc9cd20dd324744e2aba586f2f7364c990 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4cd75abf33c414d9826d22bd349b7e9140ce4dd963471c746d3517d16bf33473 [INFO] running `Command { std: "docker" "start" "-a" "4cd75abf33c414d9826d22bd349b7e9140ce4dd963471c746d3517d16bf33473", kill_on_drop: false }` [INFO] [stderr] Compiling diced-py v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "4cd75abf33c414d9826d22bd349b7e9140ce4dd963471c746d3517d16bf33473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cd75abf33c414d9826d22bd349b7e9140ce4dd963471c746d3517d16bf33473", kill_on_drop: false }` [INFO] [stdout] 4cd75abf33c414d9826d22bd349b7e9140ce4dd963471c746d3517d16bf33473 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b703a015c46ca6ddb632627c7624663561f694ad0d9f01df1ad6f9a2f9f047fa [INFO] running `Command { std: "docker" "start" "-a" "b703a015c46ca6ddb632627c7624663561f694ad0d9f01df1ad6f9a2f9f047fa", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests diced/lib.rs (/opt/rustwide/target/debug/deps/diced_py-b5ec76ffb2b403e9) [INFO] [stdout] running 0 tests [INFO] [stderr] Running diced/tests/unittest.rs (/opt/rustwide/target/debug/deps/unittest-02c7123906f210a0) [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] thread 'main' (24) panicked at diced/tests/unittest.rs:22:10: [INFO] [stdout] [INFO] [stderr] called `Option::unwrap()` on a `None` value [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5a66822bbc42 - 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: 0x5a66822bbc42 - 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: 0x5a66822bbc42 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5a66822bbc42 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5a66822cbacf - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5a66822cbacf - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5a6682298701 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5a6682298701 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5a668229e4e2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5a66822a034f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5a66822a01a9 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5a66822a0a85 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5a66822a0836 - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:700:13 [INFO] [stderr] 13: 0x5a668229e619 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5a668228d11d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5a66822cf2c0 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5a66822cf29c - core::panicking::panic::h355c5fec13755e30 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:145:5 [INFO] [stderr] 17: 0x5a66822ce8e9 - core::option::unwrap_failed::h9039d211b71a576a [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:2169:5 [INFO] [stderr] 18: 0x5a6682219020 - core::option::Option::unwrap::hbe0819c63eaee488 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:1010:21 [INFO] [stderr] 19: 0x5a6682219020 - unittest::main::h398f3c2f5a650205 [INFO] [stderr] at /opt/rustwide/workdir/diced/tests/unittest.rs:22:10 [INFO] [stderr] 20: 0x5a6682218192 - core::ops::function::FnOnce::call_once::h070ae941fcd8748c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 21: 0x5a6682218135 - std::sys::backtrace::__rust_begin_short_backtrace::h339d8a8b3e2f3d04 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18 [INFO] [stderr] 22: 0x5a66822180e6 - std::rt::lang_start::{{closure}}::h7617c88bfdbe1ce4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:206:18 [INFO] [stderr] 23: 0x5a6682299f00 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 24: 0x5a6682299f00 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x5a6682299f00 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x5a6682299f00 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x5a6682299f00 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x5a6682299f00 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 29: 0x5a6682299f00 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 30: 0x5a6682299f00 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x5a6682299f00 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x5a66822180c7 - std::rt::lang_start::h4791a26968fc0873 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:205:5 [INFO] [stderr] 33: 0x5a6682219cce - main [INFO] [stderr] 34: 0x747e624e91ca - [INFO] [stderr] 35: 0x747e624e928b - __libc_start_main [INFO] [stderr] 36: 0x5a6682217475 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] error: test failed, to rerun pass `--test unittest` [INFO] running `Command { std: "docker" "inspect" "b703a015c46ca6ddb632627c7624663561f694ad0d9f01df1ad6f9a2f9f047fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b703a015c46ca6ddb632627c7624663561f694ad0d9f01df1ad6f9a2f9f047fa", kill_on_drop: false }` [INFO] [stdout] b703a015c46ca6ddb632627c7624663561f694ad0d9f01df1ad6f9a2f9f047fa