[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 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::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<T>::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::<impl core::ops::function::FnOnce<A> 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 - <unknown>
[INFO] [stderr]   35:     0x747e624e928b - __libc_start_main
[INFO] [stderr]   36:     0x5a6682217475 - _start
[INFO] [stderr]   37:                0x0 - <unknown>
[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
