[INFO] fetching crate union_type 0.1.0...
[INFO] testing union_type-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate union_type 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate union_type 0.1.0
[INFO] finished tweaking crates.io crate union_type 0.1.0
[INFO] tweaked toml for crates.io crate union_type 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate union_type 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fcd7ed9c21035525369971be161d5de2fbed9bee67bb3b91508bb3020bb93c2
[INFO] running `Command { std: "docker" "start" "-a" "8fcd7ed9c21035525369971be161d5de2fbed9bee67bb3b91508bb3020bb93c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fcd7ed9c21035525369971be161d5de2fbed9bee67bb3b91508bb3020bb93c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fcd7ed9c21035525369971be161d5de2fbed9bee67bb3b91508bb3020bb93c2", kill_on_drop: false }`
[INFO] [stdout] 8fcd7ed9c21035525369971be161d5de2fbed9bee67bb3b91508bb3020bb93c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6852176ce40b9c3e6aaae1c067972e99a967bc12aeb869580eebd2a5159f89a
[INFO] running `Command { std: "docker" "start" "-a" "e6852176ce40b9c3e6aaae1c067972e99a967bc12aeb869580eebd2a5159f89a", kill_on_drop: false }`
[INFO] [stderr]    Compiling union_type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "e6852176ce40b9c3e6aaae1c067972e99a967bc12aeb869580eebd2a5159f89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6852176ce40b9c3e6aaae1c067972e99a967bc12aeb869580eebd2a5159f89a", kill_on_drop: false }`
[INFO] [stdout] e6852176ce40b9c3e6aaae1c067972e99a967bc12aeb869580eebd2a5159f89a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a8b146b63e37eb878be8a0ed5f5d3a7970786533eb1e751aafd91701aea950b
[INFO] running `Command { std: "docker" "start" "-a" "2a8b146b63e37eb878be8a0ed5f5d3a7970786533eb1e751aafd91701aea950b", kill_on_drop: false }`
[INFO] [stderr]    Compiling union_type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "2a8b146b63e37eb878be8a0ed5f5d3a7970786533eb1e751aafd91701aea950b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8b146b63e37eb878be8a0ed5f5d3a7970786533eb1e751aafd91701aea950b", kill_on_drop: false }`
[INFO] [stdout] 2a8b146b63e37eb878be8a0ed5f5d3a7970786533eb1e751aafd91701aea950b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] afed86b3ba4ed8972a8ff9253025059b3f398e025d38fb7d899b48f9b4c4952f
[INFO] running `Command { std: "docker" "start" "-a" "afed86b3ba4ed8972a8ff9253025059b3f398e025d38fb7d899b48f9b4c4952f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/union_type-5d02ab35b63650a5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests union_type
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - union_type (line 117) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - union_type (line 110) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - union_type (line 96) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - union_type (line 117) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `C` in this scope
[INFO] [stdout]  --> src/lib.rs:119:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut c: C = a.into();
[INFO] [stdout]   |            ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_117_0<C>() {
[INFO] [stdout]   |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `A`
[INFO] [stdout]  --> src/lib.rs:118:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let a = A::new();
[INFO] [stdout]   |         ^ use of undeclared type `A`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `B`
[INFO] [stdout]  --> src/lib.rs:121:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | let b = B::new();
[INFO] [stdout]   |         ^ use of undeclared type `B`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - union_type (line 110) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `C` in this scope
[INFO] [stdout]  --> src/lib.rs:112:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut c: C = a.into();
[INFO] [stdout]   |            ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_110_0<C>() {
[INFO] [stdout]   |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `A` in this scope
[INFO] [stdout]  --> src/lib.rs:114:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | let a: A = c.try_into().unwrap();
[INFO] [stdout]   |        ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_110_0<A>() {
[INFO] [stdout]   |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `A`
[INFO] [stdout]  --> src/lib.rs:111:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let a = A::new();
[INFO] [stdout]   |         ^ use of undeclared type `A`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - union_type (line 96) stdout ----
[INFO] [stdout] error: cannot find macro `union_type` in this scope
[INFO] [stdout]  --> src/lib.rs:98:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | union_type! {
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `union_type` is imported here, but it is a crate, not a macro
[INFO] [stdout]  --> src/lib.rs:96:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate r#union_type;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use union_type::union_type;
[INFO] [stdout]   |
[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 - union_type (line 110)
[INFO] [stdout]     src/lib.rs - union_type (line 117)
[INFO] [stdout]     src/lib.rs - union_type (line 96)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "afed86b3ba4ed8972a8ff9253025059b3f398e025d38fb7d899b48f9b4c4952f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afed86b3ba4ed8972a8ff9253025059b3f398e025d38fb7d899b48f9b4c4952f", kill_on_drop: false }`
[INFO] [stdout] afed86b3ba4ed8972a8ff9253025059b3f398e025d38fb7d899b48f9b4c4952f