[INFO] fetching crate serde_describe 0.2.3...
[INFO] testing serde_describe-0.2.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate serde_describe 0.2.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate serde_describe 0.2.3
[INFO] finished tweaking crates.io crate serde_describe 0.2.3
[INFO] tweaked toml for crates.io crate serde_describe 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_describe 0.2.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_describe 0.2.3 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07124061a99c70a1f0dc60baf65e26e8ca8b4a708b686f316e854ec47d20b8ba
[INFO] running `Command { std: "docker" "start" "-a" "07124061a99c70a1f0dc60baf65e26e8ca8b4a708b686f316e854ec47d20b8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07124061a99c70a1f0dc60baf65e26e8ca8b4a708b686f316e854ec47d20b8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07124061a99c70a1f0dc60baf65e26e8ca8b4a708b686f316e854ec47d20b8ba", kill_on_drop: false }`
[INFO] [stdout] 07124061a99c70a1f0dc60baf65e26e8ca8b4a708b686f316e854ec47d20b8ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5274aff11a6d24173d40c2d11a6d8674de991e8d7e288fc8b7d542be2a1bd9
[INFO] running `Command { std: "docker" "start" "-a" "4c5274aff11a6d24173d40c2d11a6d8674de991e8d7e288fc8b7d542be2a1bd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_describe v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.38s
[INFO] running `Command { std: "docker" "inspect" "4c5274aff11a6d24173d40c2d11a6d8674de991e8d7e288fc8b7d542be2a1bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5274aff11a6d24173d40c2d11a6d8674de991e8d7e288fc8b7d542be2a1bd9", kill_on_drop: false }`
[INFO] [stdout] 4c5274aff11a6d24173d40c2d11a6d8674de991e8d7e288fc8b7d542be2a1bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f06226602ae831bf4816922bc5ebbac5b42b1298832dea2aabc368a970be829
[INFO] running `Command { std: "docker" "start" "-a" "5f06226602ae831bf4816922bc5ebbac5b42b1298832dea2aabc368a970be829", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling bitcode_derive v0.6.9
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bitcode v0.6.9
[INFO] [stderr]    Compiling ron v0.12.0
[INFO] [stderr]    Compiling serde_describe v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling postcard v1.1.3
[INFO] [stderr] error: could not compile `serde_describe` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/dec9417b8611e34e787a3e4c37686b5131f9e5c5/bin/rustc --crate-name serde_describe --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=8cab35db3cac0b8e -C extra-filename=-bbb9469f7b99fe8d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitcode=/opt/rustwide/target/debug/deps/libbitcode-657400f13b4f073b.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-fb3ae6ea90f53af1.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-019dc3e6fa39a754.rlib --extern postcard=/opt/rustwide/target/debug/deps/libpostcard-7b7ff03b57f12219.rlib --extern ron=/opt/rustwide/target/debug/deps/libron-859987a4c645b8ac.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-812b673bb245b654.rlib --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-21e1460d7565c894.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5f06226602ae831bf4816922bc5ebbac5b42b1298832dea2aabc368a970be829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f06226602ae831bf4816922bc5ebbac5b42b1298832dea2aabc368a970be829", kill_on_drop: false }`
[INFO] [stdout] 5f06226602ae831bf4816922bc5ebbac5b42b1298832dea2aabc368a970be829