[INFO] fetching crate sacp-conductor 11.0.0...
[INFO] testing sacp-conductor-11.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sacp-conductor 11.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sacp-conductor 11.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sacp-conductor 11.0.0
[INFO] tweaked toml for crates.io crate sacp-conductor 11.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sacp-conductor 11.0.0 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 sacp-conductor 11.0.0 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-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 65e0e9a81a7fcbec9799318812e19dcba53a26d87757a202974482041f75331f
[INFO] running `Command { std: "docker" "start" "-a" "65e0e9a81a7fcbec9799318812e19dcba53a26d87757a202974482041f75331f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65e0e9a81a7fcbec9799318812e19dcba53a26d87757a202974482041f75331f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e0e9a81a7fcbec9799318812e19dcba53a26d87757a202974482041f75331f", kill_on_drop: false }`
[INFO] [stdout] 65e0e9a81a7fcbec9799318812e19dcba53a26d87757a202974482041f75331f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 864755beb5290973ad6b05c4cf765476ee52f8d1fa132366ecaf52eb8970a818
[INFO] running `Command { std: "docker" "start" "-a" "864755beb5290973ad6b05c4cf765476ee52f8d1fa132366ecaf52eb8970a818", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling rmcp v1.2.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling is-docker v0.2.0
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling schemars_derive v1.1.0
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling is-wsl v0.4.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-concurrency v7.7.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling sacp-derive v11.0.0
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr] error: could not compile `serde_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name serde_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="rc"' --cfg 'feature="result"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "rc", "result", "std", "unstable"))' -C metadata=45c9d22f942bd42a -C extra-filename=-a48aee6ccd48ae46 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --check-cfg 'cfg(if_docsrs_then_no_serde_core)' --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "864755beb5290973ad6b05c4cf765476ee52f8d1fa132366ecaf52eb8970a818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864755beb5290973ad6b05c4cf765476ee52f8d1fa132366ecaf52eb8970a818", kill_on_drop: false }`
[INFO] [stdout] 864755beb5290973ad6b05c4cf765476ee52f8d1fa132366ecaf52eb8970a818
