[INFO] fetching crate flat-drop 0.1.2...
[INFO] testing flat-drop-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate flat-drop 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate flat-drop 0.1.2
[INFO] finished tweaking crates.io crate flat-drop 0.1.2
[INFO] tweaked toml for crates.io crate flat-drop 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flat-drop 0.1.2 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] crate crates.io crate flat-drop 0.1.2 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] 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] 3f82646b45505c838e89ea2ab8c8b5c2b5383a2bca450791c95cfd9dd905c251
[INFO] running `Command { std: "docker" "start" "-a" "3f82646b45505c838e89ea2ab8c8b5c2b5383a2bca450791c95cfd9dd905c251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f82646b45505c838e89ea2ab8c8b5c2b5383a2bca450791c95cfd9dd905c251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f82646b45505c838e89ea2ab8c8b5c2b5383a2bca450791c95cfd9dd905c251", kill_on_drop: false }`
[INFO] [stdout] 3f82646b45505c838e89ea2ab8c8b5c2b5383a2bca450791c95cfd9dd905c251
[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] 91a1a82070889b05c0180d6e2b48f6797f18c343fc949fb5f9f48196693f3878
[INFO] running `Command { std: "docker" "start" "-a" "91a1a82070889b05c0180d6e2b48f6797f18c343fc949fb5f9f48196693f3878", kill_on_drop: false }`
[INFO] [stderr]    Compiling flat-drop v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "91a1a82070889b05c0180d6e2b48f6797f18c343fc949fb5f9f48196693f3878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a1a82070889b05c0180d6e2b48f6797f18c343fc949fb5f9f48196693f3878", kill_on_drop: false }`
[INFO] [stdout] 91a1a82070889b05c0180d6e2b48f6797f18c343fc949fb5f9f48196693f3878
[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] f6e4090c46fd2414901366aada815172942c4f3ff1258e0a2788ab2fcbe07ff3
[INFO] running `Command { std: "docker" "start" "-a" "f6e4090c46fd2414901366aada815172942c4f3ff1258e0a2788ab2fcbe07ff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling flat-drop v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f6e4090c46fd2414901366aada815172942c4f3ff1258e0a2788ab2fcbe07ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e4090c46fd2414901366aada815172942c4f3ff1258e0a2788ab2fcbe07ff3", kill_on_drop: false }`
[INFO] [stdout] f6e4090c46fd2414901366aada815172942c4f3ff1258e0a2788ab2fcbe07ff3
[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] d42d2adaf1845386a4113e5620a3b24a335378235c0bb0dda01c3699010d86b8
[INFO] running `Command { std: "docker" "start" "-a" "d42d2adaf1845386a4113e5620a3b24a335378235c0bb0dda01c3699010d86b8", 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/flat_drop-7ad9996b9bd8097e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_large_natural ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flat_drop
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d42d2adaf1845386a4113e5620a3b24a335378235c0bb0dda01c3699010d86b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42d2adaf1845386a4113e5620a3b24a335378235c0bb0dda01c3699010d86b8", kill_on_drop: false }`
[INFO] [stdout] d42d2adaf1845386a4113e5620a3b24a335378235c0bb0dda01c3699010d86b8