[INFO] fetching crate retained 0.4.0...
[INFO] testing retained-0.4.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate retained 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate retained 0.4.0
[INFO] finished tweaking crates.io crate retained 0.4.0
[INFO] tweaked toml for crates.io crate retained 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate retained 0.4.0 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 5 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-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 144e0b738f54787f7278cc827f64ef570b28dbc22243a36e02df3abd4c85ddad
[INFO] running `Command { std: "docker" "start" "-a" "144e0b738f54787f7278cc827f64ef570b28dbc22243a36e02df3abd4c85ddad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "144e0b738f54787f7278cc827f64ef570b28dbc22243a36e02df3abd4c85ddad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144e0b738f54787f7278cc827f64ef570b28dbc22243a36e02df3abd4c85ddad", kill_on_drop: false }`
[INFO] [stdout] 144e0b738f54787f7278cc827f64ef570b28dbc22243a36e02df3abd4c85ddad
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebd267f3f46db299ec2c244214c8746101c3fa12f9797d57c3d34f1d7129e42b
[INFO] running `Command { std: "docker" "start" "-a" "ebd267f3f46db299ec2c244214c8746101c3fa12f9797d57c3d34f1d7129e42b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling retained-macro v0.4.0
[INFO] [stderr]    Compiling retained v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "ebd267f3f46db299ec2c244214c8746101c3fa12f9797d57c3d34f1d7129e42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd267f3f46db299ec2c244214c8746101c3fa12f9797d57c3d34f1d7129e42b", kill_on_drop: false }`
[INFO] [stdout] ebd267f3f46db299ec2c244214c8746101c3fa12f9797d57c3d34f1d7129e42b
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63e42437879a557ed4a3245d16384848c2c21a5558599a3e3e171516569784e7
[INFO] running `Command { std: "docker" "start" "-a" "63e42437879a557ed4a3245d16384848c2c21a5558599a3e3e171516569784e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling retained v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "63e42437879a557ed4a3245d16384848c2c21a5558599a3e3e171516569784e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e42437879a557ed4a3245d16384848c2c21a5558599a3e3e171516569784e7", kill_on_drop: false }`
[INFO] [stdout] 63e42437879a557ed4a3245d16384848c2c21a5558599a3e3e171516569784e7
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1525a5fad67da6f0509eeffed446b11fb84330e535a7ad3a9abe17fd50ab40bf
[INFO] running `Command { std: "docker" "start" "-a" "1525a5fad67da6f0509eeffed446b11fb84330e535a7ad3a9abe17fd50ab40bf", 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/retained-063ef525ad2165ae)
[INFO] [stderr]    Doc-tests retained
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `CheckBox` in this scope
[INFO] [stdout]   --> src/lib.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let ref mut check_box: CheckBox = CheckBox::new(/* checked */ false);
[INFO] [stdout]    |                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CheckBox`
[INFO] [stdout]   --> src/lib.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let ref mut check_box: CheckBox = CheckBox::new(/* checked */ false);
[INFO] [stdout]    |                                       ^^^^^^^^ use of undeclared type `CheckBox`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[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/lib.rs - (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1525a5fad67da6f0509eeffed446b11fb84330e535a7ad3a9abe17fd50ab40bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1525a5fad67da6f0509eeffed446b11fb84330e535a7ad3a9abe17fd50ab40bf", kill_on_drop: false }`
[INFO] [stdout] 1525a5fad67da6f0509eeffed446b11fb84330e535a7ad3a9abe17fd50ab40bf
