[INFO] fetching crate merge-opt 0.1.0...
[INFO] testing merge-opt-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate merge-opt 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate merge-opt 0.1.0
[INFO] finished tweaking crates.io crate merge-opt 0.1.0
[INFO] tweaked toml for crates.io crate merge-opt 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merge-opt 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ebf2f6e0155b55901bea52774da85db5a6d329b8abc8ed06ea3752eaa5011787
[INFO] running `Command { std: "docker" "start" "-a" "ebf2f6e0155b55901bea52774da85db5a6d329b8abc8ed06ea3752eaa5011787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebf2f6e0155b55901bea52774da85db5a6d329b8abc8ed06ea3752eaa5011787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf2f6e0155b55901bea52774da85db5a6d329b8abc8ed06ea3752eaa5011787", kill_on_drop: false }`
[INFO] [stdout] ebf2f6e0155b55901bea52774da85db5a6d329b8abc8ed06ea3752eaa5011787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1e82457ede5b6eeadc646ec5dcf802ecd7dd7fd11111c21a333e2503adefd368
[INFO] running `Command { std: "docker" "start" "-a" "1e82457ede5b6eeadc646ec5dcf802ecd7dd7fd11111c21a333e2503adefd368", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge-opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "1e82457ede5b6eeadc646ec5dcf802ecd7dd7fd11111c21a333e2503adefd368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e82457ede5b6eeadc646ec5dcf802ecd7dd7fd11111c21a333e2503adefd368", kill_on_drop: false }`
[INFO] [stdout] 1e82457ede5b6eeadc646ec5dcf802ecd7dd7fd11111c21a333e2503adefd368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4e0c314deb11adfb2eff78289c4437e4e3afe805024f4cea40d64012669e1049
[INFO] running `Command { std: "docker" "start" "-a" "4e0c314deb11adfb2eff78289c4437e4e3afe805024f4cea40d64012669e1049", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge-opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "4e0c314deb11adfb2eff78289c4437e4e3afe805024f4cea40d64012669e1049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0c314deb11adfb2eff78289c4437e4e3afe805024f4cea40d64012669e1049", kill_on_drop: false }`
[INFO] [stdout] 4e0c314deb11adfb2eff78289c4437e4e3afe805024f4cea40d64012669e1049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 95af613aff8e0425c02da7e2e142548e7267b7419f20c326ad4906ac2819ebf5
[INFO] running `Command { std: "docker" "start" "-a" "95af613aff8e0425c02da7e2e142548e7267b7419f20c326ad4906ac2819ebf5", 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/merge_opt-949cb75f508aa01d)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_i10 ... ok
[INFO] [stdout] test tests::test_i3 ... ok
[INFO] [stdout] test tests::test_i2 ... ok
[INFO] [stdout] test tests::test_i4 ... ok
[INFO] [stdout] test tests::test_i5 ... ok
[INFO] [stdout] test tests::test_i6 ... ok
[INFO] [stdout] test tests::test_i7 ... ok
[INFO] [stdout] test tests::test_i8 ... ok
[INFO] [stdout] test tests::test_i9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merge_opt
[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" "95af613aff8e0425c02da7e2e142548e7267b7419f20c326ad4906ac2819ebf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95af613aff8e0425c02da7e2e142548e7267b7419f20c326ad4906ac2819ebf5", kill_on_drop: false }`
[INFO] [stdout] 95af613aff8e0425c02da7e2e142548e7267b7419f20c326ad4906ac2819ebf5