[INFO] fetching crate scikit 0.1.0...
[INFO] testing scikit-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate scikit 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate scikit 0.1.0
[INFO] finished tweaking crates.io crate scikit 0.1.0
[INFO] tweaked toml for crates.io crate scikit 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scikit 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scikit 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-2025-10-28" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 994a1d9d520a47eb427c705eeb00be79f49e737d50966e44dffdaa8a930d6c69
[INFO] running `Command { std: "docker" "start" "-a" "994a1d9d520a47eb427c705eeb00be79f49e737d50966e44dffdaa8a930d6c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "994a1d9d520a47eb427c705eeb00be79f49e737d50966e44dffdaa8a930d6c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994a1d9d520a47eb427c705eeb00be79f49e737d50966e44dffdaa8a930d6c69", kill_on_drop: false }`
[INFO] [stdout] 994a1d9d520a47eb427c705eeb00be79f49e737d50966e44dffdaa8a930d6c69
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eec849d4710b5fae9bda7dfa00791537f3a39db717b33d09a966b90fc3ac61b
[INFO] running `Command { std: "docker" "start" "-a" "9eec849d4710b5fae9bda7dfa00791537f3a39db717b33d09a966b90fc3ac61b", kill_on_drop: false }`
[INFO] [stderr]    Compiling scikit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "9eec849d4710b5fae9bda7dfa00791537f3a39db717b33d09a966b90fc3ac61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eec849d4710b5fae9bda7dfa00791537f3a39db717b33d09a966b90fc3ac61b", kill_on_drop: false }`
[INFO] [stdout] 9eec849d4710b5fae9bda7dfa00791537f3a39db717b33d09a966b90fc3ac61b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf8a445760baf4358ed9627dd3c4a6b4e8ada02f0f827399c7786a9bff63832
[INFO] running `Command { std: "docker" "start" "-a" "2cf8a445760baf4358ed9627dd3c4a6b4e8ada02f0f827399c7786a9bff63832", kill_on_drop: false }`
[INFO] [stderr]    Compiling scikit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "2cf8a445760baf4358ed9627dd3c4a6b4e8ada02f0f827399c7786a9bff63832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf8a445760baf4358ed9627dd3c4a6b4e8ada02f0f827399c7786a9bff63832", kill_on_drop: false }`
[INFO] [stdout] 2cf8a445760baf4358ed9627dd3c4a6b4e8ada02f0f827399c7786a9bff63832
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44c678d50fd975062ed7e56508f9e161f77b7dc1609f6fa2bcfcede2a3fe5d0c
[INFO] running `Command { std: "docker" "start" "-a" "44c678d50fd975062ed7e56508f9e161f77b7dc1609f6fa2bcfcede2a3fe5d0c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scikit-d3216dbedac09247)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scikit
[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" "44c678d50fd975062ed7e56508f9e161f77b7dc1609f6fa2bcfcede2a3fe5d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c678d50fd975062ed7e56508f9e161f77b7dc1609f6fa2bcfcede2a3fe5d0c", kill_on_drop: false }`
[INFO] [stdout] 44c678d50fd975062ed7e56508f9e161f77b7dc1609f6fa2bcfcede2a3fe5d0c