[INFO] fetching crate ruskel-mcp 0.0.11...
[INFO] testing ruskel-mcp-0.0.11 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ruskel-mcp 0.0.11 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ruskel-mcp 0.0.11
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ruskel-mcp 0.0.11
[INFO] tweaked toml for crates.io crate ruskel-mcp 0.0.11 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruskel-mcp 0.0.11 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 ruskel-mcp 0.0.11 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d9755afdedbd8f86b96e92254a192e586cb75d1aed5821840be9bf4411e2052d
[INFO] running `Command { std: "docker" "start" "-a" "d9755afdedbd8f86b96e92254a192e586cb75d1aed5821840be9bf4411e2052d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9755afdedbd8f86b96e92254a192e586cb75d1aed5821840be9bf4411e2052d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9755afdedbd8f86b96e92254a192e586cb75d1aed5821840be9bf4411e2052d", kill_on_drop: false }`
[INFO] [stdout] d9755afdedbd8f86b96e92254a192e586cb75d1aed5821840be9bf4411e2052d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d4dfe97e842c9a77eb3631ba00d1995a2ece0047a0b9f84cd7a4f740a34e8859
[INFO] running `Command { std: "docker" "start" "-a" "d4dfe97e842c9a77eb3631ba00d1995a2ece0047a0b9f84cd7a4f740a34e8859", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
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[INFO] [stderr]    Compiling generic-array v0.14.9
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[INFO] [stderr]    Compiling gix-trace v0.1.17
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[INFO] [stderr]    Compiling gix-bitmap v0.2.15
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[INFO] [stderr]    Compiling gix-packetline v0.19.3
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[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling nom v7.1.3
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[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr] error: could not compile `tokio` (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 tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/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 --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(loom)' --check-cfg 'cfg(mio_unsupported_force_poll_poll)' --check-cfg 'cfg(tokio_allow_from_blocking_fd)' --check-cfg 'cfg(tokio_internal_mt_counters)' --check-cfg 'cfg(tokio_no_parking_lot)' --check-cfg 'cfg(tokio_no_tuning_tests)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(target_os, values("cygwin"))' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-uring", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "taskdump", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=c6763855f92d148d -C extra-filename=-1be630a01fd3fcb4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-727a11fb69696bac.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-5ab31d0dbcde12f4.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-57a8d231f141cb2a.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-d84d1e00c3388d04.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-63e0d9d6cb6ec6cf.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-aebc78d5e2bbca05.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-c2e551b0a5217e9d.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-b21f409fd1442cb5.so --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" "d4dfe97e842c9a77eb3631ba00d1995a2ece0047a0b9f84cd7a4f740a34e8859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4dfe97e842c9a77eb3631ba00d1995a2ece0047a0b9f84cd7a4f740a34e8859", kill_on_drop: false }`
[INFO] [stdout] d4dfe97e842c9a77eb3631ba00d1995a2ece0047a0b9f84cd7a4f740a34e8859
