[INFO] fetching crate groundhog 0.2.5...
[INFO] testing groundhog-0.2.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate groundhog 0.2.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate groundhog 0.2.5
[INFO] finished tweaking crates.io crate groundhog 0.2.5
[INFO] tweaked toml for crates.io crate groundhog 0.2.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate groundhog 0.2.5 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]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0080b3b4f849ea9996ca3183caf92fed793ee16c2314c0abd0849bd8ce236653
[INFO] running `Command { std: "docker" "start" "-a" "0080b3b4f849ea9996ca3183caf92fed793ee16c2314c0abd0849bd8ce236653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0080b3b4f849ea9996ca3183caf92fed793ee16c2314c0abd0849bd8ce236653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0080b3b4f849ea9996ca3183caf92fed793ee16c2314c0abd0849bd8ce236653", kill_on_drop: false }`
[INFO] [stdout] 0080b3b4f849ea9996ca3183caf92fed793ee16c2314c0abd0849bd8ce236653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8599a1274a4656a9981f1ad7d2e01f91aeda468157fd3c7a3d9aa7172e65e12a
[INFO] running `Command { std: "docker" "start" "-a" "8599a1274a4656a9981f1ad7d2e01f91aeda468157fd3c7a3d9aa7172e65e12a", kill_on_drop: false }`
[INFO] [stderr]    Compiling groundhog v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "8599a1274a4656a9981f1ad7d2e01f91aeda468157fd3c7a3d9aa7172e65e12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8599a1274a4656a9981f1ad7d2e01f91aeda468157fd3c7a3d9aa7172e65e12a", kill_on_drop: false }`
[INFO] [stdout] 8599a1274a4656a9981f1ad7d2e01f91aeda468157fd3c7a3d9aa7172e65e12a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 01bd7a34c554ca2271a05db1c491d8148db911411edf399330c24e071ed36224
[INFO] running `Command { std: "docker" "start" "-a" "01bd7a34c554ca2271a05db1c491d8148db911411edf399330c24e071ed36224", kill_on_drop: false }`
[INFO] [stderr]    Compiling groundhog v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `once_cell`
[INFO] [stdout]  --> src/std_timer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `once_cell`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `once_cell`, use `cargo add once_cell` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `groundhog` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "01bd7a34c554ca2271a05db1c491d8148db911411edf399330c24e071ed36224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bd7a34c554ca2271a05db1c491d8148db911411edf399330c24e071ed36224", kill_on_drop: false }`
[INFO] [stdout] 01bd7a34c554ca2271a05db1c491d8148db911411edf399330c24e071ed36224