[INFO] fetching crate unflatter 0.1.1...
[INFO] testing unflatter-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate unflatter 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate unflatter 0.1.1
[INFO] finished tweaking crates.io crate unflatter 0.1.1
[INFO] tweaked toml for crates.io crate unflatter 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unflatter 0.1.1 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 17 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-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3964e7cb308d3323ddeb3f64e9aedf6fa463d5ebaa7678e6bc16e4e321744c5b
[INFO] running `Command { std: "docker" "start" "-a" "3964e7cb308d3323ddeb3f64e9aedf6fa463d5ebaa7678e6bc16e4e321744c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3964e7cb308d3323ddeb3f64e9aedf6fa463d5ebaa7678e6bc16e4e321744c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3964e7cb308d3323ddeb3f64e9aedf6fa463d5ebaa7678e6bc16e4e321744c5b", kill_on_drop: false }`
[INFO] [stdout] 3964e7cb308d3323ddeb3f64e9aedf6fa463d5ebaa7678e6bc16e4e321744c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e0c11d9dc53b553aed812e1b2c206434152b391cb06955856aace1db750f5af
[INFO] running `Command { std: "docker" "start" "-a" "9e0c11d9dc53b553aed812e1b2c206434152b391cb06955856aace1db750f5af", kill_on_drop: false }`
[INFO] [stderr]    Compiling unflatter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "9e0c11d9dc53b553aed812e1b2c206434152b391cb06955856aace1db750f5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0c11d9dc53b553aed812e1b2c206434152b391cb06955856aace1db750f5af", kill_on_drop: false }`
[INFO] [stdout] 9e0c11d9dc53b553aed812e1b2c206434152b391cb06955856aace1db750f5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f2434d3e0c9eec8245677af9c92f0361c4164a7938a1e21326482b0796a66e4e
[INFO] running `Command { std: "docker" "start" "-a" "f2434d3e0c9eec8245677af9c92f0361c4164a7938a1e21326482b0796a66e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling unflatter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.91s
[INFO] running `Command { std: "docker" "inspect" "f2434d3e0c9eec8245677af9c92f0361c4164a7938a1e21326482b0796a66e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2434d3e0c9eec8245677af9c92f0361c4164a7938a1e21326482b0796a66e4e", kill_on_drop: false }`
[INFO] [stdout] f2434d3e0c9eec8245677af9c92f0361c4164a7938a1e21326482b0796a66e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9ffadf86b0b5a7186e6cc1196356cd864ed831275f6b79bdc89d00021c8b3974
[INFO] running `Command { std: "docker" "start" "-a" "9ffadf86b0b5a7186e6cc1196356cd864ed831275f6b79bdc89d00021c8b3974", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unflatter-288029b695de8c79)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::flatten_result ... ok
[INFO] [stdout] test tests::test_flatten_option ... ok
[INFO] [stdout] test tests::test_trait ... ok
[INFO] [stdout] test tests::unwrap_result ... ok
[INFO] [stdout] test tests::unwrap_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unflatter
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - private::FlattenOptionAllExt (line 212) ... ok
[INFO] [stdout] test src/lib.rs - private::FlattenResultAllExt (line 443) ... ok
[INFO] [stdout] test src/lib.rs - private::FlattenOptionAllExt (line 232) ... ok
[INFO] [stdout] test src/lib.rs - private::UnwrapAllOrDefaultExt (line 30) ... ok
[INFO] [stdout] test src/lib.rs - private::FlattenOptionAllExt::flatten_option_all (line 246) ... ok
[INFO] [stdout] test src/lib.rs - private::FlattenResultAllExt (line 429) ... ok
[INFO] [stdout] test src/lib.rs - private::FlattensOptionAllInto (line 287) ... ok
[INFO] [stdout] test src/lib.rs - private::UnwrapAllOrDefaultInto (line 110) ... ok
[INFO] [stdout] test src/lib.rs - private::UnwrapAllOrDefaultExt (line 57) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - private::UnwrapAllOrDefaultExt::unwrap_all_or_default (line 67) ... ok
[INFO] [stdout] test src/lib.rs - private::UnwrapAllOrDefaultExt (line 42) ... ok
[INFO] [stdout] test src/lib.rs - private::FlattensResultAllInto (line 482) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ffadf86b0b5a7186e6cc1196356cd864ed831275f6b79bdc89d00021c8b3974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ffadf86b0b5a7186e6cc1196356cd864ed831275f6b79bdc89d00021c8b3974", kill_on_drop: false }`
[INFO] [stdout] 9ffadf86b0b5a7186e6cc1196356cd864ed831275f6b79bdc89d00021c8b3974