[INFO] fetching crate deep-flatten2 0.1.0...
[INFO] testing deep-flatten2-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate deep-flatten2 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate deep-flatten2 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate deep-flatten2 0.1.0
[INFO] tweaked toml for crates.io crate deep-flatten2 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate deep-flatten2 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] crate crates.io crate deep-flatten2 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeeec3262aa9a9697f5a07fb3073551b8b25cc7998fa021606fe2a578ec4743b
[INFO] running `Command { std: "docker" "start" "-a" "eeeec3262aa9a9697f5a07fb3073551b8b25cc7998fa021606fe2a578ec4743b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeeec3262aa9a9697f5a07fb3073551b8b25cc7998fa021606fe2a578ec4743b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeeec3262aa9a9697f5a07fb3073551b8b25cc7998fa021606fe2a578ec4743b", kill_on_drop: false }`
[INFO] [stdout] eeeec3262aa9a9697f5a07fb3073551b8b25cc7998fa021606fe2a578ec4743b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c134c963cf21ff672a9f8f9f6f9b28662c8c5cd7fbc985bbeb4adfe833f7d9ef
[INFO] running `Command { std: "docker" "start" "-a" "c134c963cf21ff672a9f8f9f6f9b28662c8c5cd7fbc985bbeb4adfe833f7d9ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten v0.1.0
[INFO] [stderr]    Compiling deep-flatten2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c134c963cf21ff672a9f8f9f6f9b28662c8c5cd7fbc985bbeb4adfe833f7d9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c134c963cf21ff672a9f8f9f6f9b28662c8c5cd7fbc985bbeb4adfe833f7d9ef", kill_on_drop: false }`
[INFO] [stdout] c134c963cf21ff672a9f8f9f6f9b28662c8c5cd7fbc985bbeb4adfe833f7d9ef
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d9cc1ae3b2d8a360446f68184ec057807eb52f5bff6850a56805cf112fc89d6
[INFO] running `Command { std: "docker" "start" "-a" "6d9cc1ae3b2d8a360446f68184ec057807eb52f5bff6850a56805cf112fc89d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "6d9cc1ae3b2d8a360446f68184ec057807eb52f5bff6850a56805cf112fc89d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9cc1ae3b2d8a360446f68184ec057807eb52f5bff6850a56805cf112fc89d6", kill_on_drop: false }`
[INFO] [stdout] 6d9cc1ae3b2d8a360446f68184ec057807eb52f5bff6850a56805cf112fc89d6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d497c5201e9213aca9926455ba92d023d2633b05f7aa846aaf7cb7bf5f8658c9
[INFO] running `Command { std: "docker" "start" "-a" "d497c5201e9213aca9926455ba92d023d2633b05f7aa846aaf7cb7bf5f8658c9", 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/deep_flatten2-05bf864a106187fb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_result_deep_ok ... ok
[INFO] [stdout] test tests::test_result_deep_ok_err ... 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]    Doc-tests deep_flatten2
[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] running `Command { std: "docker" "inspect" "d497c5201e9213aca9926455ba92d023d2633b05f7aa846aaf7cb7bf5f8658c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d497c5201e9213aca9926455ba92d023d2633b05f7aa846aaf7cb7bf5f8658c9", kill_on_drop: false }`
[INFO] [stdout] d497c5201e9213aca9926455ba92d023d2633b05f7aa846aaf7cb7bf5f8658c9