[INFO] fetching crate auto-builder 0.2.0...
[INFO] testing auto-builder-0.2.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate auto-builder 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate auto-builder 0.2.0
[INFO] finished tweaking crates.io crate auto-builder 0.2.0
[INFO] tweaked toml for crates.io crate auto-builder 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate auto-builder 0.2.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71dd1adc77974c3b5a5b6f32c3dbb7c4732a304e3dd907f29de5f02a261ba7ec
[INFO] running `Command { std: "docker" "start" "-a" "71dd1adc77974c3b5a5b6f32c3dbb7c4732a304e3dd907f29de5f02a261ba7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71dd1adc77974c3b5a5b6f32c3dbb7c4732a304e3dd907f29de5f02a261ba7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71dd1adc77974c3b5a5b6f32c3dbb7c4732a304e3dd907f29de5f02a261ba7ec", kill_on_drop: false }`
[INFO] [stdout] 71dd1adc77974c3b5a5b6f32c3dbb7c4732a304e3dd907f29de5f02a261ba7ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b91b6d929bcd6394ce01800e8c8aec716286c2ca01556aef6cbfc17279c0437f
[INFO] running `Command { std: "docker" "start" "-a" "b91b6d929bcd6394ce01800e8c8aec716286c2ca01556aef6cbfc17279c0437f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling auto-builder-core v0.2.0
[INFO] [stderr]    Compiling auto-builder-macro v0.2.0
[INFO] [stderr]    Compiling auto-builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "b91b6d929bcd6394ce01800e8c8aec716286c2ca01556aef6cbfc17279c0437f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91b6d929bcd6394ce01800e8c8aec716286c2ca01556aef6cbfc17279c0437f", kill_on_drop: false }`
[INFO] [stdout] b91b6d929bcd6394ce01800e8c8aec716286c2ca01556aef6cbfc17279c0437f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55ee49f84d49ac936e2b086717a3a12c4d4dd0cae940dd581e34c3041e741605
[INFO] running `Command { std: "docker" "start" "-a" "55ee49f84d49ac936e2b086717a3a12c4d4dd0cae940dd581e34c3041e741605", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto-builder v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "55ee49f84d49ac936e2b086717a3a12c4d4dd0cae940dd581e34c3041e741605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ee49f84d49ac936e2b086717a3a12c4d4dd0cae940dd581e34c3041e741605", kill_on_drop: false }`
[INFO] [stdout] 55ee49f84d49ac936e2b086717a3a12c4d4dd0cae940dd581e34c3041e741605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f31e2728eb79a9c032940f8a6feb412c49a9f43d63dcb092e17604bdc3f2f7e
[INFO] running `Command { std: "docker" "start" "-a" "8f31e2728eb79a9c032940f8a6feb412c49a9f43d63dcb092e17604bdc3f2f7e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/auto_builder-b51dd2f00f9e0fbc)
[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/build.rs (/opt/rustwide/target/debug/deps/build-0493d9e3313ea7fa)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test returns_err_if_not_all_fields_set ... ok
[INFO] [stdout] test returns_ok_if_all_fields_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/default.rs (/opt/rustwide/target/debug/deps/default-07299137a46a71a8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test uses_default_values_for_uninitialised_fields_on_structs_that_implement_default ... ok
[INFO] [stderr]    Doc-tests auto_builder
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/lib.rs:16:78
[INFO] [stdout]    |
[INFO] [stdout] 16 | let complete_foo = FooBuilder::new().bar(42).baz("hello".to_string()).build()
[INFO] [stdout]    |                                                                              ^ help: add `;` here
[INFO] [stdout] 17 | let incomplete_foo = FooBuilder::new().bar(42).build();
[INFO] [stdout]    | --- unexpected token
[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 - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8f31e2728eb79a9c032940f8a6feb412c49a9f43d63dcb092e17604bdc3f2f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f31e2728eb79a9c032940f8a6feb412c49a9f43d63dcb092e17604bdc3f2f7e", kill_on_drop: false }`
[INFO] [stdout] 8f31e2728eb79a9c032940f8a6feb412c49a9f43d63dcb092e17604bdc3f2f7e
