[INFO] fetching crate closest-sum-pair 1.0.0...
[INFO] testing closest-sum-pair-1.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate closest-sum-pair 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate closest-sum-pair 1.0.0
[INFO] finished tweaking crates.io crate closest-sum-pair 1.0.0
[INFO] tweaked toml for crates.io crate closest-sum-pair 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate closest-sum-pair 1.0.0 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] 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] 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-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] d3c40dc792d656218e5919ea37fb5a3a9de28503eefb11dbb11591f61b8a8bd3
[INFO] running `Command { std: "docker" "start" "-a" "d3c40dc792d656218e5919ea37fb5a3a9de28503eefb11dbb11591f61b8a8bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c40dc792d656218e5919ea37fb5a3a9de28503eefb11dbb11591f61b8a8bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c40dc792d656218e5919ea37fb5a3a9de28503eefb11dbb11591f61b8a8bd3", kill_on_drop: false }`
[INFO] [stdout] d3c40dc792d656218e5919ea37fb5a3a9de28503eefb11dbb11591f61b8a8bd3
[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] a83ec6bb7b043d92a58ff483a7bc182f9adb660e7bcfc9fae31028a65109cc7e
[INFO] running `Command { std: "docker" "start" "-a" "a83ec6bb7b043d92a58ff483a7bc182f9adb660e7bcfc9fae31028a65109cc7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling closest-sum-pair v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "a83ec6bb7b043d92a58ff483a7bc182f9adb660e7bcfc9fae31028a65109cc7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83ec6bb7b043d92a58ff483a7bc182f9adb660e7bcfc9fae31028a65109cc7e", kill_on_drop: false }`
[INFO] [stdout] a83ec6bb7b043d92a58ff483a7bc182f9adb660e7bcfc9fae31028a65109cc7e
[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] 92bf00586bdbc27ae0364a683c3ed2231198eda5dfc26795ae1ce571683ef6f2
[INFO] running `Command { std: "docker" "start" "-a" "92bf00586bdbc27ae0364a683c3ed2231198eda5dfc26795ae1ce571683ef6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling closest-sum-pair v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "92bf00586bdbc27ae0364a683c3ed2231198eda5dfc26795ae1ce571683ef6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92bf00586bdbc27ae0364a683c3ed2231198eda5dfc26795ae1ce571683ef6f2", kill_on_drop: false }`
[INFO] [stdout] 92bf00586bdbc27ae0364a683c3ed2231198eda5dfc26795ae1ce571683ef6f2
[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] 159e78989d6bd9aa39f493a723eb5f1f5f33d01e49879cfb5bb16c976f00f771
[INFO] running `Command { std: "docker" "start" "-a" "159e78989d6bd9aa39f493a723eb5f1f5f33d01e49879cfb5bb16c976f00f771", 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/closest_sum_pair-9850535ca31cdbec)
[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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-a166896a23b56fa3)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::float_test ... ok
[INFO] [stdout] test tests::mixed_middle ... ok
[INFO] [stdout] test tests::mixed_lower ... ok
[INFO] [stdout] test tests::mixed_upper ... ok
[INFO] [stdout] test tests::negative_lower ... ok
[INFO] [stdout] test tests::negative_upper ... ok
[INFO] [stdout] test tests::positive_lower ... ok
[INFO] [stdout] test tests::positive_middle ... ok
[INFO] [stdout] test tests::negative_middle ... ok
[INFO] [stdout] test tests::positive_upper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests closest_sum_pair
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/interface.rs - interface::find_pair (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "159e78989d6bd9aa39f493a723eb5f1f5f33d01e49879cfb5bb16c976f00f771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159e78989d6bd9aa39f493a723eb5f1f5f33d01e49879cfb5bb16c976f00f771", kill_on_drop: false }`
[INFO] [stdout] 159e78989d6bd9aa39f493a723eb5f1f5f33d01e49879cfb5bb16c976f00f771