[INFO] fetching crate featureflag-core 0.0.0...
[INFO] testing featureflag-core-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate featureflag-core 0.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate featureflag-core 0.0.0
[INFO] finished tweaking crates.io crate featureflag-core 0.0.0
[INFO] tweaked toml for crates.io crate featureflag-core 0.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate featureflag-core 0.0.0 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] crate crates.io crate featureflag-core 0.0.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 617b23ce7b0e7037e08c1424ba91dd7c3bc27aff0a4e17a2f879dd14cdd985d2
[INFO] running `Command { std: "docker" "start" "-a" "617b23ce7b0e7037e08c1424ba91dd7c3bc27aff0a4e17a2f879dd14cdd985d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617b23ce7b0e7037e08c1424ba91dd7c3bc27aff0a4e17a2f879dd14cdd985d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617b23ce7b0e7037e08c1424ba91dd7c3bc27aff0a4e17a2f879dd14cdd985d2", kill_on_drop: false }`
[INFO] [stdout] 617b23ce7b0e7037e08c1424ba91dd7c3bc27aff0a4e17a2f879dd14cdd985d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1e0b1fa4794dc17486619483f4dd8080eab8937e9ec124b6d15ff4f0927a334b
[INFO] running `Command { std: "docker" "start" "-a" "1e0b1fa4794dc17486619483f4dd8080eab8937e9ec124b6d15ff4f0927a334b", kill_on_drop: false }`
[INFO] [stderr]    Compiling featureflag-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "1e0b1fa4794dc17486619483f4dd8080eab8937e9ec124b6d15ff4f0927a334b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0b1fa4794dc17486619483f4dd8080eab8937e9ec124b6d15ff4f0927a334b", kill_on_drop: false }`
[INFO] [stdout] 1e0b1fa4794dc17486619483f4dd8080eab8937e9ec124b6d15ff4f0927a334b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f3b71387132a297dd7b9c3e70fcce5f2c8116ce6b18320ca54c290960b210f4c
[INFO] running `Command { std: "docker" "start" "-a" "f3b71387132a297dd7b9c3e70fcce5f2c8116ce6b18320ca54c290960b210f4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling featureflag-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f3b71387132a297dd7b9c3e70fcce5f2c8116ce6b18320ca54c290960b210f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b71387132a297dd7b9c3e70fcce5f2c8116ce6b18320ca54c290960b210f4c", kill_on_drop: false }`
[INFO] [stdout] f3b71387132a297dd7b9c3e70fcce5f2c8116ce6b18320ca54c290960b210f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6d5833d55bc95c0537f2ce51be608f2ebd019e9008ed401ed73754014b7926f9
[INFO] running `Command { std: "docker" "start" "-a" "6d5833d55bc95c0537f2ce51be608f2ebd019e9008ed401ed73754014b7926f9", 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/featureflag_core-507e9a8ee19afc7f)
[INFO] [stderr]    Doc-tests featureflag_core
[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] [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" "6d5833d55bc95c0537f2ce51be608f2ebd019e9008ed401ed73754014b7926f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5833d55bc95c0537f2ce51be608f2ebd019e9008ed401ed73754014b7926f9", kill_on_drop: false }`
[INFO] [stdout] 6d5833d55bc95c0537f2ce51be608f2ebd019e9008ed401ed73754014b7926f9