[INFO] fetching crate array-fu 0.0.1-alpha... [INFO] testing array-fu-0.0.1-alpha against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate array-fu 0.0.1-alpha into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate array-fu 0.0.1-alpha [INFO] finished tweaking crates.io crate array-fu 0.0.1-alpha [INFO] tweaked toml for crates.io crate array-fu 0.0.1-alpha written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate array-fu 0.0.1-alpha 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 14 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c03983d34d4af7b9e407f3ac4bf2ba08c965ebca6279e56f2967b4a076af977d [INFO] running `Command { std: "docker" "start" "-a" "c03983d34d4af7b9e407f3ac4bf2ba08c965ebca6279e56f2967b4a076af977d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c03983d34d4af7b9e407f3ac4bf2ba08c965ebca6279e56f2967b4a076af977d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c03983d34d4af7b9e407f3ac4bf2ba08c965ebca6279e56f2967b4a076af977d", kill_on_drop: false }` [INFO] [stdout] c03983d34d4af7b9e407f3ac4bf2ba08c965ebca6279e56f2967b4a076af977d [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8173feb28649464eae05e028469ec55ae0650e84d89ffad1c0a0990d948004d3 [INFO] running `Command { std: "docker" "start" "-a" "8173feb28649464eae05e028469ec55ae0650e84d89ffad1c0a0990d948004d3", kill_on_drop: false }` [INFO] [stderr] Compiling array-fu v0.0.1-alpha (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "8173feb28649464eae05e028469ec55ae0650e84d89ffad1c0a0990d948004d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8173feb28649464eae05e028469ec55ae0650e84d89ffad1c0a0990d948004d3", kill_on_drop: false }` [INFO] [stdout] 8173feb28649464eae05e028469ec55ae0650e84d89ffad1c0a0990d948004d3 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfaaf2dc2b9b531cc2c1383054f533ff4b6260ab2ebeb1f0e8209daa9c5fbba7 [INFO] running `Command { std: "docker" "start" "-a" "cfaaf2dc2b9b531cc2c1383054f533ff4b6260ab2ebeb1f0e8209daa9c5fbba7", kill_on_drop: false }` [INFO] [stderr] Compiling array-fu v0.0.1-alpha (/opt/rustwide/workdir) [INFO] [stdout] warning: never type fallback affects this call to an `unsafe` method [INFO] [stdout] --> src/lib.rs:344:13 [INFO] [stdout] | [INFO] [stdout] 344 | array.assume_init() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 537 | array!(return; 2); [INFO] [stdout] | ----------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] = note: `#[warn(never_type_fallback_flowing_into_unsafe)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::array` which comes from the expansion of the macro `array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: never type fallback affects this call to an `unsafe` method [INFO] [stdout] --> src/lib.rs:344:13 [INFO] [stdout] | [INFO] [stdout] 344 | array.assume_init() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 556 | array!(return; 0); [INFO] [stdout] | ----------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] = note: this warning originates in the macro `$crate::array` which comes from the expansion of the macro `array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: array-fu v0.0.1-alpha (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "cfaaf2dc2b9b531cc2c1383054f533ff4b6260ab2ebeb1f0e8209daa9c5fbba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfaaf2dc2b9b531cc2c1383054f533ff4b6260ab2ebeb1f0e8209daa9c5fbba7", kill_on_drop: false }` [INFO] [stdout] cfaaf2dc2b9b531cc2c1383054f533ff4b6260ab2ebeb1f0e8209daa9c5fbba7 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bee656d10086e02bf2f72852ceb2a896711dc3602cdd5c076a36d2f5f8ff463f [INFO] running `Command { std: "docker" "start" "-a" "bee656d10086e02bf2f72852ceb2a896711dc3602cdd5c076a36d2f5f8ff463f", kill_on_drop: false }` [INFO] [stderr] warning: never type fallback affects this call to an `unsafe` method [INFO] [stderr] --> src/lib.rs:344:13 [INFO] [stderr] | [INFO] [stderr] 344 | array.assume_init() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 537 | array!(return; 2); [INFO] [stderr] | ----------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = help: specify the type explicitly [INFO] [stderr] = note: `#[warn(never_type_fallback_flowing_into_unsafe)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] = note: this warning originates in the macro `$crate::array` which comes from the expansion of the macro `array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: never type fallback affects this call to an `unsafe` method [INFO] [stderr] --> src/lib.rs:344:13 [INFO] [stderr] | [INFO] [stderr] 344 | array.assume_init() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 556 | array!(return; 0); [INFO] [stderr] | ----------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = help: specify the type explicitly [INFO] [stderr] = note: this warning originates in the macro `$crate::array` which comes from the expansion of the macro `array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `array-fu` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: array-fu v0.0.1-alpha (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/array_fu-20b36d676e9843b5) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test test_bail ... ok [INFO] [stdout] test test_bail_condition ... ok [INFO] [stdout] test test_bail_iter ... ok [INFO] [stdout] test test_comprehension_repeat ... ok [INFO] [stdout] test test_expression_repeat ... ok [INFO] [stdout] test test_comprehension_iter ... ok [INFO] [stderr] Doc-tests array_fu [INFO] [stdout] test test_bail_condition_panic - should panic ... ok [INFO] [stdout] test test_bail_panic - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test src/lib.rs - array (line 238) ... FAILED [INFO] [stdout] test src/lib.rs - array (line 248) - compile fail ... ok [INFO] [stdout] test src/lib.rs - array (line 253) ... FAILED [INFO] [stdout] test src/lib.rs - array (line 180) ... ok [INFO] [stdout] test src/lib.rs - array (line 218) ... ok [INFO] [stdout] test src/lib.rs - array (line 172) ... ok [INFO] [stdout] test src/lib.rs - collect_array (line 359) ... ok [INFO] [stdout] test src/lib.rs - array (line 267) ... ok [INFO] [stdout] test src/lib.rs - array (line 258) ... FAILED [INFO] [stdout] test src/lib.rs - array (line 195) ... ok [INFO] [stdout] test src/lib.rs - collect_array (line 368) ... ok [INFO] [stdout] test src/lib.rs - (line 17) ... ok [INFO] [stdout] test src/lib.rs - array (line 161) ... ok [INFO] [stdout] test src/lib.rs - (line 30) ... ok [INFO] [stdout] test src/lib.rs - array (line 243) - compile fail ... ok [INFO] [stdout] test src/lib.rs - array (line 208) ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] test src/lib.rs - (line 37) ... ok [INFO] [stdout] test src/lib.rs - collect_array (line 415) ... ok [INFO] [stdout] test src/lib.rs - collect_array (line 406) ... ok [INFO] [stdout] test src/lib.rs - collect_array (line 397) ... ok [INFO] [stdout] test src/lib.rs - collect_array (line 378) ... ok [INFO] [stdout] test src/lib.rs - collect_array (line 387) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - array (line 238) stdout ---- [INFO] [stdout] error: never type fallback affects this call to an `unsafe` method [INFO] [stdout] --> src/lib.rs:241:1 [INFO] [stdout] | [INFO] [stdout] 6 | array![return; 1]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] = note: `#[deny(never_type_fallback_flowing_into_unsafe)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] = note: this error originates in the macro `$crate::array` which comes from the expansion of the macro `array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - array (line 253) stdout ---- [INFO] [stdout] error: never type fallback affects this call to an `unsafe` method [INFO] [stdout] --> src/lib.rs:256:12 [INFO] [stdout] | [INFO] [stdout] 6 | 'a: loop { array![break 'a; 1]; }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] = note: `#[deny(never_type_fallback_flowing_into_unsafe)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] = note: this error originates in the macro `$crate::array` which comes from the expansion of the macro `array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - array (line 258) stdout ---- [INFO] [stdout] error: never type fallback affects this call to an `unsafe` method [INFO] [stdout] --> src/lib.rs:261:21 [INFO] [stdout] | [INFO] [stdout] 6 | 'a: for _ in 0..3 { array![continue 'a; 1]; }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] = note: `#[deny(never_type_fallback_flowing_into_unsafe)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] = note: this error originates in the macro `$crate::array` which comes from the expansion of the macro `array` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - array (line 238) [INFO] [stdout] src/lib.rs - array (line 253) [INFO] [stdout] src/lib.rs - array (line 258) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 20 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "bee656d10086e02bf2f72852ceb2a896711dc3602cdd5c076a36d2f5f8ff463f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bee656d10086e02bf2f72852ceb2a896711dc3602cdd5c076a36d2f5f8ff463f", kill_on_drop: false }` [INFO] [stdout] bee656d10086e02bf2f72852ceb2a896711dc3602cdd5c076a36d2f5f8ff463f