[INFO] fetching crate opzioni 3.0.1... [INFO] testing opzioni-3.0.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate opzioni 3.0.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate opzioni 3.0.1 [INFO] finished tweaking crates.io crate opzioni 3.0.1 [INFO] tweaked toml for crates.io crate opzioni 3.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate opzioni 3.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding toml v0.8.23 (available: v0.9.8) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d0711ed05f8ec27d6ff30f7f8167678297101c68a64b743b7e1422f1f0e95f18 [INFO] running `Command { std: "docker" "start" "-a" "d0711ed05f8ec27d6ff30f7f8167678297101c68a64b743b7e1422f1f0e95f18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0711ed05f8ec27d6ff30f7f8167678297101c68a64b743b7e1422f1f0e95f18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0711ed05f8ec27d6ff30f7f8167678297101c68a64b743b7e1422f1f0e95f18", kill_on_drop: false }` [INFO] [stdout] d0711ed05f8ec27d6ff30f7f8167678297101c68a64b743b7e1422f1f0e95f18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d8b37385fe19ec4d800ffdb1ea291395f3e0ec1dd2d4c7d6c444949557000ca [INFO] running `Command { std: "docker" "start" "-a" "2d8b37385fe19ec4d800ffdb1ea291395f3e0ec1dd2d4c7d6c444949557000ca", kill_on_drop: false }` [INFO] [stderr] Compiling unsafe-libyaml v0.2.11 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_spanned v0.6.9 [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling serde_yaml v0.9.34+deprecated [INFO] [stderr] Compiling toml_edit v0.22.27 [INFO] [stderr] Compiling toml v0.8.23 [INFO] [stderr] Compiling opzioni v3.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s [INFO] running `Command { std: "docker" "inspect" "2d8b37385fe19ec4d800ffdb1ea291395f3e0ec1dd2d4c7d6c444949557000ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d8b37385fe19ec4d800ffdb1ea291395f3e0ec1dd2d4c7d6c444949557000ca", kill_on_drop: false }` [INFO] [stdout] 2d8b37385fe19ec4d800ffdb1ea291395f3e0ec1dd2d4c7d6c444949557000ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fa719e5264547b5933b6d2023569b04d5a832e8f8d1a971b4f68d67525b77f1f [INFO] running `Command { std: "docker" "start" "-a" "fa719e5264547b5933b6d2023569b04d5a832e8f8d1a971b4f68d67525b77f1f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling tokio v1.48.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_spanned v0.6.9 [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling serde_yaml v0.9.34+deprecated [INFO] [stderr] Compiling toml_edit v0.22.27 [INFO] [stderr] Compiling toml v0.8.23 [INFO] [stderr] Compiling opzioni v3.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 11.40s [INFO] running `Command { std: "docker" "inspect" "fa719e5264547b5933b6d2023569b04d5a832e8f8d1a971b4f68d67525b77f1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa719e5264547b5933b6d2023569b04d5a832e8f8d1a971b4f68d67525b77f1f", kill_on_drop: false }` [INFO] [stdout] fa719e5264547b5933b6d2023569b04d5a832e8f8d1a971b4f68d67525b77f1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4fbeefc90e9f410a4410970bfb7d1f4c87c7cf25000d8f2263930c7c68163690 [INFO] running `Command { std: "docker" "start" "-a" "4fbeefc90e9f410a4410970bfb7d1f4c87c7cf25000d8f2263930c7c68163690", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opzioni-d2f5f21dc1fcc179) [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] Doc-tests opzioni [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/config/std.rs - config::std::Config::get (line 44) ... FAILED [INFO] [stdout] test src/config/std.rs - config::std::Config::new (line 20) ... ok [INFO] [stdout] test src/config/std.rs - config::std::Config::configure (line 67) ... ok [INFO] [stdout] test src/config/std.rs - config::std::Config::save (line 95) ... FAILED [INFO] [stdout] test src/config/std.rs - config::std::ConfigBuilder::load (line 193) ... ok [INFO] [stdout] test src/config/std.rs - config::std::ConfigBuilder::use_default_on_error (line 160) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/config/std.rs - config::std::Config::get (line 44) stdout ---- [INFO] [stdout] error[E0599]: no function or associated item named `empty` found for struct `opzioni::config::std::Config` in the current scope [INFO] [stdout] --> src/config/std.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 14 | let config = Config::::empty(); [INFO] [stdout] | ^^^^^ function or associated item not found in `opzioni::config::std::Config` [INFO] [stdout] | [INFO] [stdout] note: if you're trying to build a new `opzioni::config::std::Config`, consider using `opzioni::config::std::Config::::new` which returns `opzioni::config::std::Config<_>` [INFO] [stdout] --> /opt/rustwide/workdir/src/config/std.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(config: T, path: PathBuf) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/config/std.rs - config::std::Config::save (line 95) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (151) panicked at src/config/std.rs:18:15: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: SerializationError(Some("Read-only file system (os error 30)")) [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x58960185da42 - 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: 0x58960185da42 - 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: 0x58960185da42 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x58960185da42 - ::fmt::h47627beda0767f4c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x58960186eeff - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x58960186eeff - core::fmt::write::h8a63064c67176fd8 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x58960183b623 - std::io::default_write_fmt::hc257f38f86d39af6 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x58960183b623 - std::io::Write::write_fmt::h5e9b646cef91150b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x589601841162 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x589601842c2c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x589601842a86 - std::panicking::default_hook::hfeec6294e8751b62 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x589601843205 - std::panicking::panic_with_hook::hd57cd463d793ed79 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x58960184309a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x589601841299 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x58960182f9bd - __rustc[256c90bb7e548b45]::rust_begin_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x589601878430 - core::panicking::panic_fmt::hf19c198748ef6a95 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5896018779b6 - core::result::unwrap_failed::he81173b5792ad6b0 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x5896016a6c79 - rust_out::main::_doctest_main_src_config_std_rs_95_0::h54f3a6572ea08dce [INFO] [stdout] 18: 0x5896016a66c6 - rust_out::main::he986860d8b7bc94f [INFO] [stdout] 19: 0x589601698d43 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d [INFO] [stdout] 20: 0x5896016967d6 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff [INFO] [stdout] 21: 0x5896016966b9 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee [INFO] [stdout] 22: 0x58960183c9d0 - core::ops::function::impls:: for &F>::call_once::hdf957eac011d0136 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x58960183c9d0 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x58960183c9d0 - std::panicking::catch_unwind::ha7ce46787bb12905 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x58960183c9d0 - std::panic::catch_unwind::h625b36596def7d39 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x58960183c9d0 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x58960183c9d0 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x58960183c9d0 - std::panicking::catch_unwind::hf64cf7b0d8070f52 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x58960183c9d0 - std::panic::catch_unwind::h480b74763390cdcf [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x58960183c9d0 - std::rt::lang_start_internal::h4b3d04f698aef094 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x5896016966a1 - std::rt::lang_start::h457230af78cce7e7 [INFO] [stdout] 32: 0x5896016ac4c5 - main [INFO] [stdout] 33: 0x78d5141e81ca - [INFO] [stdout] 34: 0x78d5141e828b - __libc_start_main [INFO] [stdout] 35: 0x58960168ad15 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/config/std.rs - config::std::Config::get (line 44) [INFO] [stdout] src/config/std.rs - config::std::Config::save (line 95) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "4fbeefc90e9f410a4410970bfb7d1f4c87c7cf25000d8f2263930c7c68163690", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fbeefc90e9f410a4410970bfb7d1f4c87c7cf25000d8f2263930c7c68163690", kill_on_drop: false }` [INFO] [stdout] 4fbeefc90e9f410a4410970bfb7d1f4c87c7cf25000d8f2263930c7c68163690