[INFO] fetching crate nopanick 0.2.0... [INFO] testing nopanick-0.2.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate nopanick 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate nopanick 0.2.0 [INFO] finished tweaking crates.io crate nopanick 0.2.0 [INFO] tweaked toml for crates.io crate nopanick 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nopanick 0.2.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate nopanick 0.2.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2f3593cd6d736c8828686d0e0425248972bfa2778cd2c0e5d74bc8226e0f5b0 [INFO] running `Command { std: "docker" "start" "-a" "c2f3593cd6d736c8828686d0e0425248972bfa2778cd2c0e5d74bc8226e0f5b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2f3593cd6d736c8828686d0e0425248972bfa2778cd2c0e5d74bc8226e0f5b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2f3593cd6d736c8828686d0e0425248972bfa2778cd2c0e5d74bc8226e0f5b0", kill_on_drop: false }` [INFO] [stdout] c2f3593cd6d736c8828686d0e0425248972bfa2778cd2c0e5d74bc8226e0f5b0 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 928e781371718a449dcdcc97e97924d37faaa103aada6b49c159ab9fdf5a19fd [INFO] running `Command { std: "docker" "start" "-a" "928e781371718a449dcdcc97e97924d37faaa103aada6b49c159ab9fdf5a19fd", kill_on_drop: false }` [INFO] [stderr] Compiling nopanick v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "928e781371718a449dcdcc97e97924d37faaa103aada6b49c159ab9fdf5a19fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "928e781371718a449dcdcc97e97924d37faaa103aada6b49c159ab9fdf5a19fd", kill_on_drop: false }` [INFO] [stdout] 928e781371718a449dcdcc97e97924d37faaa103aada6b49c159ab9fdf5a19fd [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f62971d254553be624f35be78fca5465de6fabb3ae396375fa23cf6918b31601 [INFO] running `Command { std: "docker" "start" "-a" "f62971d254553be624f35be78fca5465de6fabb3ae396375fa23cf6918b31601", kill_on_drop: false }` [INFO] [stderr] Compiling nopanick v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "f62971d254553be624f35be78fca5465de6fabb3ae396375fa23cf6918b31601", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f62971d254553be624f35be78fca5465de6fabb3ae396375fa23cf6918b31601", kill_on_drop: false }` [INFO] [stdout] f62971d254553be624f35be78fca5465de6fabb3ae396375fa23cf6918b31601 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff2c720f3b966ede635afc2c1e3d18bb10e3b030ca84fa67abe321578489b4bd [INFO] running `Command { std: "docker" "start" "-a" "ff2c720f3b966ede635afc2c1e3d18bb10e3b030ca84fa67abe321578489b4bd", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nopanick-ce75b58e98db9327) [INFO] [stdout] running 0 tests [INFO] [stderr] Running tests/test-nopanick.rs (/opt/rustwide/target/debug/deps/test_nopanick-9c605bf4d61a8085) [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] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test tests::test_abs ... ok [INFO] [stdout] test tests::test_add ... ok [INFO] [stdout] test tests::test_basic ... ok [INFO] [stdout] test tests::test_div ... ok [INFO] [stdout] test tests::test_div_trait ... ok [INFO] [stdout] test tests::test_add_euclid ... ok [INFO] [stdout] test tests::test_ilog2 ... ok [INFO] [stdout] test tests::test_mul ... ok [INFO] [stdout] test tests::test_option ... ok [INFO] [stdout] test tests::test_ilog ... ok [INFO] [stdout] test tests::test_ilog10 ... ok [INFO] [stdout] test tests::test_neg ... ok [INFO] [stdout] test tests::test_rem ... ok [INFO] [stdout] test tests::test_rem_euclid ... ok [INFO] [stdout] test tests::test_result ... ok [INFO] [stdout] test tests::test_sub_euclid ... ok [INFO] [stdout] test tests::test_sub ... ok [INFO] [stderr] Doc-tests nopanick [INFO] [stdout] test tests::test_div_euclid ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - (line 8) ... ok [INFO] [stdout] test src/lib.rs - Nop::unwrap_nop (line 93) ... ok [INFO] [stdout] test src/lib.rs - (line 19) ... ok [INFO] [stdout] test src/lib.rs - (line 42) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 42) stdout ---- [INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (155) panicked at /opt/rustwide/workdir/src/lib.rs:74:14: [INFO] [stdout] unsafe precondition(s) violated: hint::unreachable_unchecked must never be reached [INFO] [stdout] [INFO] [stdout] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety. [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x60409e48d742 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x60409e48d742 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x60409e48d742 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x60409e48d742 - ::fmt::h47627beda0767f4c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x60409e49c33f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x60409e49c33f - core::fmt::write::h8a63064c67176fd8 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x60409e46b723 - std::io::default_write_fmt::hc257f38f86d39af6 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x60409e46b723 - std::io::Write::write_fmt::h5e9b646cef91150b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x60409e470c02 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x60409e4724fc - std::panicking::default_hook::{{closure}}::h23e0299d4738b766 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x60409e472356 - std::panicking::default_hook::hfeec6294e8751b62 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x60409e472ad5 - std::panicking::panic_with_hook::hd57cd463d793ed79 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x60409e472936 - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:700:13 [INFO] [stdout] 13: 0x60409e470d39 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x60409e4603cd - __rustc[256c90bb7e548b45]::rust_begin_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x60409e49f1ad - core::panicking::panic_nounwind_fmt::runtime::hd5eea0fd564156db [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:122:22 [INFO] [stdout] 16: 0x60409e49f1ad - core::panicking::panic_nounwind_fmt::hd9aca48f58eaf762 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/intrinsics/mod.rs:2435:9 [INFO] [stdout] 17: 0x60409e45ff27 - core::hint::unreachable_unchecked::precondition_check::h93f17664da27d2b5 [INFO] [stdout] 18: 0x60409e45feb6 - core::hint::unreachable_unchecked::hb6dbbb93825ebac2 [INFO] [stdout] 19: 0x60409e45ffed - rust_out::main::he986860d8b7bc94f [INFO] [stdout] 20: 0x60409e45fe63 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d [INFO] [stdout] 21: 0x60409e45fdd6 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff [INFO] [stdout] 22: 0x60409e45fdb9 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee [INFO] [stdout] 23: 0x60409e46cc60 - core::ops::function::impls:: for &F>::call_once::hdf957eac011d0136 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x60409e46cc60 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x60409e46cc60 - std::panicking::catch_unwind::ha7ce46787bb12905 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x60409e46cc60 - std::panic::catch_unwind::h625b36596def7d39 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x60409e46cc60 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x60409e46cc60 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x60409e46cc60 - std::panicking::catch_unwind::hf64cf7b0d8070f52 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x60409e46cc60 - std::panic::catch_unwind::h480b74763390cdcf [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x60409e46cc60 - std::rt::lang_start_internal::h4b3d04f698aef094 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x60409e45fda1 - std::rt::lang_start::h457230af78cce7e7 [INFO] [stdout] 33: 0x60409e4600e5 - main [INFO] [stdout] 34: 0x729b99af01ca - [INFO] [stdout] 35: 0x729b99af028b - __libc_start_main [INFO] [stdout] 36: 0x60409e45fcb5 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] thread caused non-unwinding panic. aborting. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 42) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "ff2c720f3b966ede635afc2c1e3d18bb10e3b030ca84fa67abe321578489b4bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff2c720f3b966ede635afc2c1e3d18bb10e3b030ca84fa67abe321578489b4bd", kill_on_drop: false }` [INFO] [stdout] ff2c720f3b966ede635afc2c1e3d18bb10e3b030ca84fa67abe321578489b4bd