[INFO] fetching crate viewbuilder 0.10.0-alpha.5...
[INFO] testing viewbuilder-0.10.0-alpha.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate viewbuilder 0.10.0-alpha.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate viewbuilder 0.10.0-alpha.5
[INFO] finished tweaking crates.io crate viewbuilder 0.10.0-alpha.5
[INFO] tweaked toml for crates.io crate viewbuilder 0.10.0-alpha.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate viewbuilder 0.10.0-alpha.5 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.1)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3af8d0c64d0e111b067ffc5fc6d8622deffeaf2003e420629dd9a4a85ade3c02
[INFO] running `Command { std: "docker" "start" "-a" "3af8d0c64d0e111b067ffc5fc6d8622deffeaf2003e420629dd9a4a85ade3c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3af8d0c64d0e111b067ffc5fc6d8622deffeaf2003e420629dd9a4a85ade3c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af8d0c64d0e111b067ffc5fc6d8622deffeaf2003e420629dd9a4a85ade3c02", kill_on_drop: false }`
[INFO] [stdout] 3af8d0c64d0e111b067ffc5fc6d8622deffeaf2003e420629dd9a4a85ade3c02
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f543e5c679deee771da719d5752bb1676efff5c7742d93f7585b22d97d5cb5f
[INFO] running `Command { std: "docker" "start" "-a" "2f543e5c679deee771da719d5752bb1676efff5c7742d93f7585b22d97d5cb5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling viewbuilder v0.10.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "2f543e5c679deee771da719d5752bb1676efff5c7742d93f7585b22d97d5cb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f543e5c679deee771da719d5752bb1676efff5c7742d93f7585b22d97d5cb5f", kill_on_drop: false }`
[INFO] [stdout] 2f543e5c679deee771da719d5752bb1676efff5c7742d93f7585b22d97d5cb5f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c438062b5eabcd2e933c295963250336aa61f012855b30fcb3d69c7a2ab95d2c
[INFO] running `Command { std: "docker" "start" "-a" "c438062b5eabcd2e933c295963250336aa61f012855b30fcb3d69c7a2ab95d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling viewbuilder v0.10.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "c438062b5eabcd2e933c295963250336aa61f012855b30fcb3d69c7a2ab95d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c438062b5eabcd2e933c295963250336aa61f012855b30fcb3d69c7a2ab95d2c", kill_on_drop: false }`
[INFO] [stdout] c438062b5eabcd2e933c295963250336aa61f012855b30fcb3d69c7a2ab95d2c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ab576d5bc8d89c3ac2135508c4d77763eabfa3a67154cf545bfe771624beb60
[INFO] running `Command { std: "docker" "start" "-a" "4ab576d5bc8d89c3ac2135508c4d77763eabfa3a67154cf545bfe771624beb60", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/viewbuilder-281e573b9a40e4dd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests viewbuilder
[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] [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" "4ab576d5bc8d89c3ac2135508c4d77763eabfa3a67154cf545bfe771624beb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab576d5bc8d89c3ac2135508c4d77763eabfa3a67154cf545bfe771624beb60", kill_on_drop: false }`
[INFO] [stdout] 4ab576d5bc8d89c3ac2135508c4d77763eabfa3a67154cf545bfe771624beb60