[INFO] fetching crate velo-simulation 0.1.0...
[INFO] testing velo-simulation-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate velo-simulation 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate velo-simulation 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate velo-simulation 0.1.0
[INFO] tweaked toml for crates.io crate velo-simulation 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate velo-simulation 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 velo-simulation 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c684b8a877a50a13ba4b3709a4977e68de9ef17f2e2ec5f3af6cce39838d5958
[INFO] running `Command { std: "docker" "start" "-a" "c684b8a877a50a13ba4b3709a4977e68de9ef17f2e2ec5f3af6cce39838d5958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c684b8a877a50a13ba4b3709a4977e68de9ef17f2e2ec5f3af6cce39838d5958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c684b8a877a50a13ba4b3709a4977e68de9ef17f2e2ec5f3af6cce39838d5958", kill_on_drop: false }`
[INFO] [stdout] c684b8a877a50a13ba4b3709a4977e68de9ef17f2e2ec5f3af6cce39838d5958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 742a0ea8af2969287f076e6f1c68969b15b45cbcfec74b6097c89ce25c28e607
[INFO] running `Command { std: "docker" "start" "-a" "742a0ea8af2969287f076e6f1c68969b15b45cbcfec74b6097c89ce25c28e607", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling rmp v0.8.15
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling signatory v0.27.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling ed25519-dalek v2.2.0
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling pear_codegen v0.2.9
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling rustls-native-certs v0.7.3
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling uuid v1.23.0
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling pear v0.2.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling rmp-serde v1.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling serde_nanos v0.1.4
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling velo-common v0.1.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling flume v0.12.0
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling nuid v0.5.0
[INFO] [stderr]    Compiling nkeys v0.4.5
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr] error: could not compile `protobuf` (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 protobuf --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/protobuf-3.7.2/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 --warn=unexpected_cfgs --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "with-bytes"))' -C metadata=a85d98464d84df45 -C extra-filename=-d513aaaf2a9d4f72 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-0ac012fec71d6948.rmeta --extern protobuf_support=/opt/rustwide/target/debug/deps/libprotobuf_support-9f4e4956e69aeb72.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b59c9c6a1af7cab5.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "742a0ea8af2969287f076e6f1c68969b15b45cbcfec74b6097c89ce25c28e607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742a0ea8af2969287f076e6f1c68969b15b45cbcfec74b6097c89ce25c28e607", kill_on_drop: false }`
[INFO] [stdout] 742a0ea8af2969287f076e6f1c68969b15b45cbcfec74b6097c89ce25c28e607