[INFO] fetching crate markov_str 0.3.0... [INFO] testing markov_str-0.3.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate markov_str 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate markov_str 0.3.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate markov_str 0.3.0 [INFO] tweaked toml for crates.io crate markov_str 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate markov_str 0.3.0 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 markov_str 0.3.0 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] 42e6fce21727ee952ed914957a471abcb7bf9c4f7c4c7c26549cbca78ba6f45f [INFO] running `Command { std: "docker" "start" "-a" "42e6fce21727ee952ed914957a471abcb7bf9c4f7c4c7c26549cbca78ba6f45f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42e6fce21727ee952ed914957a471abcb7bf9c4f7c4c7c26549cbca78ba6f45f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42e6fce21727ee952ed914957a471abcb7bf9c4f7c4c7c26549cbca78ba6f45f", kill_on_drop: false }` [INFO] [stdout] 42e6fce21727ee952ed914957a471abcb7bf9c4f7c4c7c26549cbca78ba6f45f [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] be2cbedfb1732401d200f49ae5c3f08a61a9dcc429d7302b56e61fea2513876f [INFO] running `Command { std: "docker" "start" "-a" "be2cbedfb1732401d200f49ae5c3f08a61a9dcc429d7302b56e61fea2513876f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling foldhash v0.1.4 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.94 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling lasso v0.7.3 [INFO] [stderr] Compiling markov_str v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.78s [INFO] running `Command { std: "docker" "inspect" "be2cbedfb1732401d200f49ae5c3f08a61a9dcc429d7302b56e61fea2513876f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be2cbedfb1732401d200f49ae5c3f08a61a9dcc429d7302b56e61fea2513876f", kill_on_drop: false }` [INFO] [stdout] be2cbedfb1732401d200f49ae5c3f08a61a9dcc429d7302b56e61fea2513876f [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] c3024dbec100839f4c8552e5a2ca9b96b8b143f7a0212f54640e37aae9350b48 [INFO] running `Command { std: "docker" "start" "-a" "c3024dbec100839f4c8552e5a2ca9b96b8b143f7a0212f54640e37aae9350b48", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling serde_json v1.0.134 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling markov_str v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.30s [INFO] running `Command { std: "docker" "inspect" "c3024dbec100839f4c8552e5a2ca9b96b8b143f7a0212f54640e37aae9350b48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3024dbec100839f4c8552e5a2ca9b96b8b143f7a0212f54640e37aae9350b48", kill_on_drop: false }` [INFO] [stdout] c3024dbec100839f4c8552e5a2ca9b96b8b143f7a0212f54640e37aae9350b48 [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] 0011cfea3edb857a438dfe1e03f90bffd045f9f91d8cb9cfbb952d73ed9fb975 [INFO] running `Command { std: "docker" "start" "-a" "0011cfea3edb857a438dfe1e03f90bffd045f9f91d8cb9cfbb952d73ed9fb975", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markov_str-0dd269a6088ae1f7) [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 tests/chain.rs (/opt/rustwide/target/debug/deps/chain-511bdd93c6fc6a05) [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test empty_str ... ok [INFO] [stdout] test short_str ... ok [INFO] [stdout] test iter3 ... ok [INFO] [stdout] test iter_start1 ... ok [INFO] [stdout] test iter1 ... ok [INFO] [stdout] test iter2 ... ok [INFO] [stdout] test state_size_zero ... ok [INFO] [stdout] test zero_state_empty_str ... ok [INFO] [stdout] test iter_start ... ok [INFO] [stdout] test len2 ... ok [INFO] [stdout] test clone ... ok [INFO] [stdout] test len1 ... ok [INFO] [stdout] test iter_start3 ... ok [INFO] [stdout] test iter_start2 ... ok [INFO] [stdout] test len3 ... ok [INFO] [stdout] test seed2 ... ok [INFO] [stdout] test weight ... ok [INFO] [stdout] test seed1 ... ok [INFO] [stdout] test seed3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s [INFO] [stdout] [INFO] [stderr] Running tests/regex.rs (/opt/rustwide/target/debug/deps/regex-c4801746f2be8333) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test regex3 ... ok [INFO] [stdout] test regex1 ... ok [INFO] [stdout] test regex4 ... ok [INFO] [stdout] test regex5 ... ok [INFO] [stdout] test regex2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] Doc-tests markov_str [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 89) ... ignored [INFO] [stdout] test src/lib.rs - (line 14) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 14) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (80) panicked at src/lib.rs:14:25: [INFO] [stdout] Can't read files from: data [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x585aae8c87a2 - 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: 0x585aae8c87a2 - 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: 0x585aae8c87a2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x585aae8c87a2 - ::fmt::h47627beda0767f4c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x585aae8d8c4f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x585aae8d8c4f - core::fmt::write::h8a63064c67176fd8 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x585aae8a51b3 - std::io::default_write_fmt::hc257f38f86d39af6 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x585aae8a51b3 - std::io::Write::write_fmt::h5e9b646cef91150b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x585aae8ab332 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x585aae8acf8c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x585aae8acde6 - std::panicking::default_hook::hfeec6294e8751b62 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x585aae8ad565 - std::panicking::panic_with_hook::hd57cd463d793ed79 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x585aae8ad3fa - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x585aae8ab469 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x585aae89963d - __rustc[256c90bb7e548b45]::rust_begin_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x585aae8dd490 - core::panicking::panic_fmt::hf19c198748ef6a95 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x585aae5d07ca - rust_out::main::_doctest_main_src_lib_rs_14_0::{{closure}}::hc8d33f5f7bbf0254 [INFO] [stdout] 17: 0x585aae5c8fb7 - core::result::Result::unwrap_or_else::hb76498af03b9eb14 [INFO] [stdout] 18: 0x585aae5cfb6c - rust_out::main::_doctest_main_src_lib_rs_14_0::h5de799bcf7331924 [INFO] [stdout] 19: 0x585aae5cfb06 - rust_out::main::he986860d8b7bc94f [INFO] [stdout] 20: 0x585aae5c4003 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d [INFO] [stdout] 21: 0x585aae5c3536 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff [INFO] [stdout] 22: 0x585aae5c3359 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee [INFO] [stdout] 23: 0x585aae8a69e0 - 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: 0x585aae8a69e0 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x585aae8a69e0 - std::panicking::catch_unwind::ha7ce46787bb12905 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x585aae8a69e0 - std::panic::catch_unwind::h625b36596def7d39 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x585aae8a69e0 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x585aae8a69e0 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x585aae8a69e0 - std::panicking::catch_unwind::hf64cf7b0d8070f52 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x585aae8a69e0 - std::panic::catch_unwind::h480b74763390cdcf [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x585aae8a69e0 - std::rt::lang_start_internal::h4b3d04f698aef094 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x585aae5c3341 - std::rt::lang_start::h457230af78cce7e7 [INFO] [stdout] 33: 0x585aae5dbe65 - main [INFO] [stdout] 34: 0x750b336931ca - [INFO] [stdout] 35: 0x750b3369328b - __libc_start_main [INFO] [stdout] 36: 0x585aae5bf125 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 14) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.37s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "0011cfea3edb857a438dfe1e03f90bffd045f9f91d8cb9cfbb952d73ed9fb975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0011cfea3edb857a438dfe1e03f90bffd045f9f91d8cb9cfbb952d73ed9fb975", kill_on_drop: false }` [INFO] [stdout] 0011cfea3edb857a438dfe1e03f90bffd045f9f91d8cb9cfbb952d73ed9fb975