[INFO] fetching crate suon_serde 0.1.0...
[INFO] testing suon_serde-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate suon_serde 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate suon_serde 0.1.0
[INFO] finished tweaking crates.io crate suon_serde 0.1.0
[INFO] tweaked toml for crates.io crate suon_serde 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate suon_serde 0.1.0 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] crate crates.io crate suon_serde 0.1.0 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-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] 3611d44f6924774e98c355b7df8e27e95ea2752b187c38c19009e4a29dc8ad2d
[INFO] running `Command { std: "docker" "start" "-a" "3611d44f6924774e98c355b7df8e27e95ea2752b187c38c19009e4a29dc8ad2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3611d44f6924774e98c355b7df8e27e95ea2752b187c38c19009e4a29dc8ad2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3611d44f6924774e98c355b7df8e27e95ea2752b187c38c19009e4a29dc8ad2d", kill_on_drop: false }`
[INFO] [stdout] 3611d44f6924774e98c355b7df8e27e95ea2752b187c38c19009e4a29dc8ad2d
[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] 9d0a0c8a7e2df4e0c3010319ac8fb077871a459541a8475f8ed41a2b052e6a22
[INFO] running `Command { std: "docker" "start" "-a" "9d0a0c8a7e2df4e0c3010319ac8fb077871a459541a8475f8ed41a2b052e6a22", kill_on_drop: false }`
[INFO] [stderr] error: rustc 1.96.0-beta.4 is not supported by the following package:
[INFO] [stderr]   suon_serde@0.1.0 requires rustc 1.97
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "9d0a0c8a7e2df4e0c3010319ac8fb077871a459541a8475f8ed41a2b052e6a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0a0c8a7e2df4e0c3010319ac8fb077871a459541a8475f8ed41a2b052e6a22", kill_on_drop: false }`
[INFO] [stdout] 9d0a0c8a7e2df4e0c3010319ac8fb077871a459541a8475f8ed41a2b052e6a22
