[INFO] fetching crate labello 0.0.5...
[INFO] testing labello-0.0.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate labello 0.0.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate labello 0.0.5
[INFO] finished tweaking crates.io crate labello 0.0.5
[INFO] tweaked toml for crates.io crate labello 0.0.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate labello 0.0.5 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 64 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a8dfffb95fe63a1401323206f397322c87d00a83edecf06d0f39dee3d02bb93e
[INFO] running `Command { std: "docker" "start" "-a" "a8dfffb95fe63a1401323206f397322c87d00a83edecf06d0f39dee3d02bb93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8dfffb95fe63a1401323206f397322c87d00a83edecf06d0f39dee3d02bb93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8dfffb95fe63a1401323206f397322c87d00a83edecf06d0f39dee3d02bb93e", kill_on_drop: false }`
[INFO] [stdout] a8dfffb95fe63a1401323206f397322c87d00a83edecf06d0f39dee3d02bb93e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5c7bb685f36e26f77d9ce402cb419b3bbc2992554b6acd5a09f34a186d7c97d4
[INFO] running `Command { std: "docker" "start" "-a" "5c7bb685f36e26f77d9ce402cb419b3bbc2992554b6acd5a09f34a186d7c97d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling labello v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5c7bb685f36e26f77d9ce402cb419b3bbc2992554b6acd5a09f34a186d7c97d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7bb685f36e26f77d9ce402cb419b3bbc2992554b6acd5a09f34a186d7c97d4", kill_on_drop: false }`
[INFO] [stdout] 5c7bb685f36e26f77d9ce402cb419b3bbc2992554b6acd5a09f34a186d7c97d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2610d0b2f40654ae93e94e09f39db079c346ec9f94653004d7c3f4ef5909c478
[INFO] running `Command { std: "docker" "start" "-a" "2610d0b2f40654ae93e94e09f39db079c346ec9f94653004d7c3f4ef5909c478", kill_on_drop: false }`
[INFO] [stderr]    Compiling labello v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "2610d0b2f40654ae93e94e09f39db079c346ec9f94653004d7c3f4ef5909c478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2610d0b2f40654ae93e94e09f39db079c346ec9f94653004d7c3f4ef5909c478", kill_on_drop: false }`
[INFO] [stdout] 2610d0b2f40654ae93e94e09f39db079c346ec9f94653004d7c3f4ef5909c478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 34f4075cba59f658e79dc270d957eb37380e502971f9197edfd39d0296bdcb84
[INFO] running `Command { std: "docker" "start" "-a" "34f4075cba59f658e79dc270d957eb37380e502971f9197edfd39d0296bdcb84", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/labello-70fd5cd081c54253)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_fit_one_hot_encoder ... ok
[INFO] [stdout] test tests::test_fit_ordinal_encoder_limited_classes ... ok
[INFO] [stdout] test tests::test_fit_custom_encoder ... ok
[INFO] [stdout] test tests::test_one_hot_encoding ... ok
[INFO] [stdout] test tests::test_fit_ordinal_encoder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests labello
[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" "34f4075cba59f658e79dc270d957eb37380e502971f9197edfd39d0296bdcb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f4075cba59f658e79dc270d957eb37380e502971f9197edfd39d0296bdcb84", kill_on_drop: false }`
[INFO] [stdout] 34f4075cba59f658e79dc270d957eb37380e502971f9197edfd39d0296bdcb84