[INFO] fetching crate perfetto-trace-proto 0.1.0+g4c6784a1...
[INFO] testing perfetto-trace-proto-0.1.0+g4c6784a1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate perfetto-trace-proto 0.1.0+g4c6784a1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate perfetto-trace-proto 0.1.0+g4c6784a1
[INFO] finished tweaking crates.io crate perfetto-trace-proto 0.1.0+g4c6784a1
[INFO] tweaked toml for crates.io crate perfetto-trace-proto 0.1.0+g4c6784a1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate perfetto-trace-proto 0.1.0+g4c6784a1 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 perfetto-trace-proto 0.1.0+g4c6784a1 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] 75695d63ceeb323124422f5bc4f4c9367b77200ef37a792d7c473d74e37908c5
[INFO] running `Command { std: "docker" "start" "-a" "75695d63ceeb323124422f5bc4f4c9367b77200ef37a792d7c473d74e37908c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75695d63ceeb323124422f5bc4f4c9367b77200ef37a792d7c473d74e37908c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75695d63ceeb323124422f5bc4f4c9367b77200ef37a792d7c473d74e37908c5", kill_on_drop: false }`
[INFO] [stdout] 75695d63ceeb323124422f5bc4f4c9367b77200ef37a792d7c473d74e37908c5
[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] c3b567f82d9803e2d57a9dc033ad04bf39c607c0e171818aa6455d7cb45d37e9
[INFO] running `Command { std: "docker" "start" "-a" "c3b567f82d9803e2d57a9dc033ad04bf39c607c0e171818aa6455d7cb45d37e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling prost v0.14.1
[INFO] [stderr]    Compiling prost-types v0.14.1
[INFO] [stderr]    Compiling prost-build v0.14.1
[INFO] [stderr]    Compiling perfetto-trace-proto v0.1.0+g4c6784a1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `perfetto-trace-proto` (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 perfetto_trace_proto --edition=2024 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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=7e98fa322c0da5e0 -C extra-filename=-177327cb0c6a722b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern prost=/opt/rustwide/target/debug/deps/libprost-1a6de982a64b9b22.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c3b567f82d9803e2d57a9dc033ad04bf39c607c0e171818aa6455d7cb45d37e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b567f82d9803e2d57a9dc033ad04bf39c607c0e171818aa6455d7cb45d37e9", kill_on_drop: false }`
[INFO] [stdout] c3b567f82d9803e2d57a9dc033ad04bf39c607c0e171818aa6455d7cb45d37e9
