[INFO] fetching crate optionally_const 0.8.0...
[INFO] testing optionally_const-0.8.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate optionally_const 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate optionally_const 0.8.0
[INFO] finished tweaking crates.io crate optionally_const 0.8.0
[INFO] tweaked toml for crates.io crate optionally_const 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optionally_const 0.8.0 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 optionally_const 0.8.0 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] ace585377aef94368612e0ba9e4496eca374bb1d0b5b425d033748fc4cf6452c
[INFO] running `Command { std: "docker" "start" "-a" "ace585377aef94368612e0ba9e4496eca374bb1d0b5b425d033748fc4cf6452c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ace585377aef94368612e0ba9e4496eca374bb1d0b5b425d033748fc4cf6452c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace585377aef94368612e0ba9e4496eca374bb1d0b5b425d033748fc4cf6452c", kill_on_drop: false }`
[INFO] [stdout] ace585377aef94368612e0ba9e4496eca374bb1d0b5b425d033748fc4cf6452c
[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] 90427bf68890bef361c998e4034c111bb40957eb428651a06a6d53cbcd472491
[INFO] running `Command { std: "docker" "start" "-a" "90427bf68890bef361c998e4034c111bb40957eb428651a06a6d53cbcd472491", kill_on_drop: false }`
[INFO] [stderr]    Compiling optionally_const v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "90427bf68890bef361c998e4034c111bb40957eb428651a06a6d53cbcd472491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90427bf68890bef361c998e4034c111bb40957eb428651a06a6d53cbcd472491", kill_on_drop: false }`
[INFO] [stdout] 90427bf68890bef361c998e4034c111bb40957eb428651a06a6d53cbcd472491
[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] d2bb94ff25673e92e94ba1cfe1df138fbc58c3c1b23cef38cb9a9f8f353b0920
[INFO] running `Command { std: "docker" "start" "-a" "d2bb94ff25673e92e94ba1cfe1df138fbc58c3c1b23cef38cb9a9f8f353b0920", kill_on_drop: false }`
[INFO] [stderr]    Compiling optionally_const v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "d2bb94ff25673e92e94ba1cfe1df138fbc58c3c1b23cef38cb9a9f8f353b0920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2bb94ff25673e92e94ba1cfe1df138fbc58c3c1b23cef38cb9a9f8f353b0920", kill_on_drop: false }`
[INFO] [stdout] d2bb94ff25673e92e94ba1cfe1df138fbc58c3c1b23cef38cb9a9f8f353b0920
[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] db7b805dda68af73d6d85814a400cc01f96df794e39a29573a70d7da1d61c0df
[INFO] running `Command { std: "docker" "start" "-a" "db7b805dda68af73d6d85814a400cc01f96df794e39a29573a70d7da1d61c0df", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optionally_const-36d78128b55a77ed)
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests optionally_const
[INFO] [stdout] test tests::test_const_type ... ok
[INFO] [stdout] test tests::test_output_bool ... ok
[INFO] [stdout] test tests::test_output_my_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/../README.md - (line 19) ... ok
[INFO] [stdout] test src/../README.md - (line 58) ... FAILED
[INFO] [stdout] test src/../README.md - (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 58) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `optionally_const::FieldlessEnumConstType`
[INFO] [stdout]  --> src/../README.md:60:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | use optionally_const::{OptionallyConst, FieldlessEnumConstType};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^ no `FieldlessEnumConstType` in the root
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /opt/rustwide/workdir/src/lib.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(feature = "derive")]
[INFO] [stdout]   |       ------------------ the item is gated behind the `derive` feature
[INFO] [stdout] 6 | #[cfg_attr(docsrs, doc(cfg(feature = "derive")))]
[INFO] [stdout] 7 | pub use optionally_const_macros::FieldlessEnumConstType;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_type` in this scope
[INFO] [stdout]  --> src/../README.md:64:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[const_type(
[INFO] [stdout]   |   ^^^^^^^^^^ help: a built-in attribute with a similar name exists: `type_const`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ConstTypeName` in this scope
[INFO] [stdout]   --> src/../README.md:91:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |     print_fieldless_enum(ConstTypeName::<{ FieldlessEnum::A as usize }>);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ConstTypeName` in this scope
[INFO] [stdout]   --> src/../README.md:92:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     print_fieldless_enum(ConstTypeName::<{ FieldlessEnum::B as usize }>);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ConstTypeName` in this scope
[INFO] [stdout]   --> src/../README.md:93:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |     print_fieldless_enum(ConstTypeName::<{ FieldlessEnum::C as usize }>);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_into_const_type_instance` found for enum `FieldlessEnum` in the current scope
[INFO] [stdout]   --> src/../README.md:95:53
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum FieldlessEnum {
[INFO] [stdout]    | ------------------ method `try_into_const_type_instance` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 39 |     let Ok(_const_type_instance) = FieldlessEnum::A.try_into_const_type_instance::<{FieldlessEnum::A as usize}>() else {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `FieldlessEnum`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 58)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.61s; merged doctests compilation took 0.19s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "db7b805dda68af73d6d85814a400cc01f96df794e39a29573a70d7da1d61c0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7b805dda68af73d6d85814a400cc01f96df794e39a29573a70d7da1d61c0df", kill_on_drop: false }`
[INFO] [stdout] db7b805dda68af73d6d85814a400cc01f96df794e39a29573a70d7da1d61c0df