[INFO] fetching crate diced-py 0.1.2...
[INFO] testing diced-py-0.1.2 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate diced-py 0.1.2 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diced-py 0.1.2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding pyo3 v0.22.6 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c805179e13c578080fb261b6bb2402c07d36e5be5fdda1ce00c96cc0757d3972
[INFO] running `Command { std: "docker" "start" "-a" "c805179e13c578080fb261b6bb2402c07d36e5be5fdda1ce00c96cc0757d3972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c805179e13c578080fb261b6bb2402c07d36e5be5fdda1ce00c96cc0757d3972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c805179e13c578080fb261b6bb2402c07d36e5be5fdda1ce00c96cc0757d3972", kill_on_drop: false }`
[INFO] [stdout] c805179e13c578080fb261b6bb2402c07d36e5be5fdda1ce00c96cc0757d3972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5ff9a3ba66f549e8c2756e486009c89f5e0ce7b29a32479ab50d7f341862f26
[INFO] running `Command { std: "docker" "start" "-a" "a5ff9a3ba66f549e8c2756e486009c89f5e0ce7b29a32479ab50d7f341862f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling diced v0.1.2
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[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 11.62s
[INFO] running `Command { std: "docker" "inspect" "a5ff9a3ba66f549e8c2756e486009c89f5e0ce7b29a32479ab50d7f341862f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ff9a3ba66f549e8c2756e486009c89f5e0ce7b29a32479ab50d7f341862f26", kill_on_drop: false }`
[INFO] [stdout] a5ff9a3ba66f549e8c2756e486009c89f5e0ce7b29a32479ab50d7f341862f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ec531e3a4dbf9ebddb9a9be7f8beb9ce0d1af7fda4f9aee4324cdab70b5eba
[INFO] running `Command { std: "docker" "start" "-a" "15ec531e3a4dbf9ebddb9a9be7f8beb9ce0d1af7fda4f9aee4324cdab70b5eba", 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "15ec531e3a4dbf9ebddb9a9be7f8beb9ce0d1af7fda4f9aee4324cdab70b5eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ec531e3a4dbf9ebddb9a9be7f8beb9ce0d1af7fda4f9aee4324cdab70b5eba", kill_on_drop: false }`
[INFO] [stdout] 15ec531e3a4dbf9ebddb9a9be7f8beb9ce0d1af7fda4f9aee4324cdab70b5eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a43c5be1365d8ec0d46d9c3fda5e694ed5e2625bc975f5ece46bce0d9f601bd5
[INFO] running `Command { std: "docker" "start" "-a" "a43c5be1365d8ec0d46d9c3fda5e694ed5e2625bc975f5ece46bce0d9f601bd5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests diced/lib.rs (/opt/rustwide/target/debug/deps/diced_py-3914cea72ec5ab85)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running diced/tests/unittest.rs (/opt/rustwide/target/debug/deps/unittest-fbd29ab09c056695)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (25) panicked at diced/tests/unittest.rs:22:10:
[INFO] [stderr] called `Option::unwrap()` on a `None` value
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5e8e0b576f92 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5e8e0b576f92 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5e8e0b576f92 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x5e8e0b576f92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x5e8e0b586dfa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x5e8e0b586dfa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stderr]    6:     0x5e8e0b554b36 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5e8e0b554b36 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x5e8e0b55c429 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x5e8e0b55c429 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x5e8e0b55c289 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x5e8e0b55c71b - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stderr]   12:     0x5e8e0b55c51a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stderr]   13:     0x5e8e0b55a669 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   14:     0x5e8e0b549add - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stderr]   15:     0x5e8e0b58a13c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x5e8e0b58a102 - core::panicking::panic::h6519d2e94a76dd19
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:150:5
[INFO] [stderr]   17:     0x5e8e0b589949 - core::option::unwrap_failed::ha98236786820a324
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/option.rs:2199:5
[INFO] [stderr]   18:     0x5e8e0b4d83b0 - core::option::Option<T>::unwrap::hfef80b7fedb85076
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/option.rs:1016:21
[INFO] [stderr]   19:     0x5e8e0b4d83b0 - unittest::main::h1081c59739d6a711
[INFO] [stderr]                                at /opt/rustwide/workdir/diced/tests/unittest.rs:22:10
[INFO] [stderr]   20:     0x5e8e0b4d75e2 - core::ops::function::FnOnce::call_once::hcdb613816741c989
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   21:     0x5e8e0b4d7515 - std::sys::backtrace::__rust_begin_short_backtrace::hf08fc3967c417a9b
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   22:     0x5e8e0b4d74c6 - std::rt::lang_start::{{closure}}::h004c4e6cca209dc3
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:206:18
[INFO] [stderr]   23:     0x5e8e0b556116 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd1cc8864ab2ce613
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   24:     0x5e8e0b556116 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]   25:     0x5e8e0b556116 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]   26:     0x5e8e0b556116 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]   27:     0x5e8e0b556116 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stderr]   28:     0x5e8e0b556116 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]   29:     0x5e8e0b556116 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]   30:     0x5e8e0b556116 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]   31:     0x5e8e0b556116 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stderr]   32:     0x5e8e0b4d74a7 - std::rt::lang_start::he329862f38764a87
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:205:5
[INFO] [stderr]   33:     0x5e8e0b4d919e - main
[INFO] [stderr]   34:     0x73b37117c1ca - <unknown>
[INFO] [stderr]   35:     0x73b37117c28b - __libc_start_main
[INFO] [stderr]   36:     0x5e8e0b4d6855 - _start
[INFO] [stderr]   37:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test unittest`
[INFO] running `Command { std: "docker" "inspect" "a43c5be1365d8ec0d46d9c3fda5e694ed5e2625bc975f5ece46bce0d9f601bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43c5be1365d8ec0d46d9c3fda5e694ed5e2625bc975f5ece46bce0d9f601bd5", kill_on_drop: false }`
[INFO] [stdout] a43c5be1365d8ec0d46d9c3fda5e694ed5e2625bc975f5ece46bce0d9f601bd5
