[INFO] fetching crate sprattus-derive 0.0.1...
[INFO] testing sprattus-derive-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sprattus-derive 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sprattus-derive 0.0.1
[INFO] finished tweaking crates.io crate sprattus-derive 0.0.1
[INFO] tweaked toml for crates.io crate sprattus-derive 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sprattus-derive 0.0.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b57321c6020153dd1aafa3e07f4ecf2fc48949c93f75d0d257847645abd0dbcc
[INFO] running `Command { std: "docker" "start" "-a" "b57321c6020153dd1aafa3e07f4ecf2fc48949c93f75d0d257847645abd0dbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b57321c6020153dd1aafa3e07f4ecf2fc48949c93f75d0d257847645abd0dbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57321c6020153dd1aafa3e07f4ecf2fc48949c93f75d0d257847645abd0dbcc", kill_on_drop: false }`
[INFO] [stdout] b57321c6020153dd1aafa3e07f4ecf2fc48949c93f75d0d257847645abd0dbcc
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f77007aa84f2c4487e1fbff7ec58b8a1af086f03324cf0c563dc494e11f5bd7
[INFO] running `Command { std: "docker" "start" "-a" "4f77007aa84f2c4487e1fbff7ec58b8a1af086f03324cf0c563dc494e11f5bd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling sprattus-derive v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | use syn::export::TokenStream2;
[INFO] [stdout]    |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sprattus-derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4f77007aa84f2c4487e1fbff7ec58b8a1af086f03324cf0c563dc494e11f5bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f77007aa84f2c4487e1fbff7ec58b8a1af086f03324cf0c563dc494e11f5bd7", kill_on_drop: false }`
[INFO] [stdout] 4f77007aa84f2c4487e1fbff7ec58b8a1af086f03324cf0c563dc494e11f5bd7
