[INFO] fetching crate fud-core 0.0.2...
[INFO] testing fud-core-0.0.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fud-core 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fud-core 0.0.2
[INFO] finished tweaking crates.io crate fud-core 0.0.2
[INFO] tweaked toml for crates.io crate fud-core 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fud-core 0.0.2 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 42 packages to latest compatible versions
[INFO] [stderr]       Adding cranelift-entity v0.103.0 (available: v0.124.1)
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 09d469c9b17c07cbf96d2ec279498225ecf5a612d1d664ee6b93d91dbec692d6
[INFO] running `Command { std: "docker" "start" "-a" "09d469c9b17c07cbf96d2ec279498225ecf5a612d1d664ee6b93d91dbec692d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d469c9b17c07cbf96d2ec279498225ecf5a612d1d664ee6b93d91dbec692d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d469c9b17c07cbf96d2ec279498225ecf5a612d1d664ee6b93d91dbec692d6", kill_on_drop: false }`
[INFO] [stdout] 09d469c9b17c07cbf96d2ec279498225ecf5a612d1d664ee6b93d91dbec692d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ff1f929887b8aaadd48b221aab1eea901de7b34b81e7b8dc7b952cc02dd171fc
[INFO] running `Command { std: "docker" "start" "-a" "ff1f929887b8aaadd48b221aab1eea901de7b34b81e7b8dc7b952cc02dd171fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling argh_shared v0.1.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rust-fuzzy-search v0.1.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling cranelift-entity v0.103.0
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling argh_derive v0.1.13
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling argh v0.1.13
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling fud-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.32s
[INFO] running `Command { std: "docker" "inspect" "ff1f929887b8aaadd48b221aab1eea901de7b34b81e7b8dc7b952cc02dd171fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1f929887b8aaadd48b221aab1eea901de7b34b81e7b8dc7b952cc02dd171fc", kill_on_drop: false }`
[INFO] [stdout] ff1f929887b8aaadd48b221aab1eea901de7b34b81e7b8dc7b952cc02dd171fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a31a5cf2352c3959082acd6d39c87e8b5788f3de15a9a6726da80f7c3c04f0d5
[INFO] running `Command { std: "docker" "start" "-a" "a31a5cf2352c3959082acd6d39c87e8b5788f3de15a9a6726da80f7c3c04f0d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling fud-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "a31a5cf2352c3959082acd6d39c87e8b5788f3de15a9a6726da80f7c3c04f0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31a5cf2352c3959082acd6d39c87e8b5788f3de15a9a6726da80f7c3c04f0d5", kill_on_drop: false }`
[INFO] [stdout] a31a5cf2352c3959082acd6d39c87e8b5788f3de15a9a6726da80f7c3c04f0d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 940b8f90dc3620969ee2fc67e44d56ddd1d427a1e0d5718816f94f16f20796d0
[INFO] running `Command { std: "docker" "start" "-a" "940b8f90dc3620969ee2fc67e44d56ddd1d427a1e0d5718816f94f16f20796d0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fud_core-b64c5e2427041e89)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests fud_core
[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 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" "940b8f90dc3620969ee2fc67e44d56ddd1d427a1e0d5718816f94f16f20796d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940b8f90dc3620969ee2fc67e44d56ddd1d427a1e0d5718816f94f16f20796d0", kill_on_drop: false }`
[INFO] [stdout] 940b8f90dc3620969ee2fc67e44d56ddd1d427a1e0d5718816f94f16f20796d0