[INFO] fetching crate optional_struct_internal 0.3.1...
[INFO] testing optional_struct_internal-0.3.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate optional_struct_internal 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate optional_struct_internal 0.3.1
[INFO] finished tweaking crates.io crate optional_struct_internal 0.3.1
[INFO] tweaked toml for crates.io crate optional_struct_internal 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optional_struct_internal 0.3.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ae4eb1227b7f7b778c55b8b249ac3ae8d931787d01d8c2455f2036bd3e43a67
[INFO] running `Command { std: "docker" "start" "-a" "2ae4eb1227b7f7b778c55b8b249ac3ae8d931787d01d8c2455f2036bd3e43a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ae4eb1227b7f7b778c55b8b249ac3ae8d931787d01d8c2455f2036bd3e43a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae4eb1227b7f7b778c55b8b249ac3ae8d931787d01d8c2455f2036bd3e43a67", kill_on_drop: false }`
[INFO] [stdout] 2ae4eb1227b7f7b778c55b8b249ac3ae8d931787d01d8c2455f2036bd3e43a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81776962d1fc71401e604f73cc5b2580f8f3e5f3c891308d8f936a9413b6ac28
[INFO] running `Command { std: "docker" "start" "-a" "81776962d1fc71401e604f73cc5b2580f8f3e5f3c891308d8f936a9413b6ac28", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional_struct_internal v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "81776962d1fc71401e604f73cc5b2580f8f3e5f3c891308d8f936a9413b6ac28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81776962d1fc71401e604f73cc5b2580f8f3e5f3c891308d8f936a9413b6ac28", kill_on_drop: false }`
[INFO] [stdout] 81776962d1fc71401e604f73cc5b2580f8f3e5f3c891308d8f936a9413b6ac28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 381ee1054e38cf578b22c547bd3539f78ae11e6796f37121a5f448c97f43948b
[INFO] running `Command { std: "docker" "start" "-a" "381ee1054e38cf578b22c547bd3539f78ae11e6796f37121a5f448c97f43948b", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional_struct_internal v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "381ee1054e38cf578b22c547bd3539f78ae11e6796f37121a5f448c97f43948b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381ee1054e38cf578b22c547bd3539f78ae11e6796f37121a5f448c97f43948b", kill_on_drop: false }`
[INFO] [stdout] 381ee1054e38cf578b22c547bd3539f78ae11e6796f37121a5f448c97f43948b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf33f7b0f2985fc128dd37d1bece60ed0aee4e7ab8c0107655fa617315abc435
[INFO] running `Command { std: "docker" "start" "-a" "cf33f7b0f2985fc128dd37d1bece60ed0aee4e7ab8c0107655fa617315abc435", kill_on_drop: false }`
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optional_struct_internal-df43130b02234c9b)
[INFO] [stderr]    Doc-tests optional_struct_internal
[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" "cf33f7b0f2985fc128dd37d1bece60ed0aee4e7ab8c0107655fa617315abc435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf33f7b0f2985fc128dd37d1bece60ed0aee4e7ab8c0107655fa617315abc435", kill_on_drop: false }`
[INFO] [stdout] cf33f7b0f2985fc128dd37d1bece60ed0aee4e7ab8c0107655fa617315abc435
