[INFO] fetching crate rmcp-mux 0.3.1...
[INFO] checking rmcp-mux-0.3.1 against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] extracting crate rmcp-mux 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rmcp-mux 0.3.1
[INFO] finished tweaking crates.io crate rmcp-mux 0.3.1
[INFO] tweaked toml for crates.io crate rmcp-mux 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmcp-mux 0.3.1 on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmcp-mux 0.3.1 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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79cb53b8c603939b71e757e3323dfcce7da60501ae894a13c55e47972e2120ec
[INFO] running `Command { std: "docker" "start" "-a" "79cb53b8c603939b71e757e3323dfcce7da60501ae894a13c55e47972e2120ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79cb53b8c603939b71e757e3323dfcce7da60501ae894a13c55e47972e2120ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cb53b8c603939b71e757e3323dfcce7da60501ae894a13c55e47972e2120ec", kill_on_drop: false }`
[INFO] [stdout] 79cb53b8c603939b71e757e3323dfcce7da60501ae894a13c55e47972e2120ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f976d24be3c57aaeb1a5324969c58bb2590ac372275ddf6725c11db940473ca
[INFO] running `Command { std: "docker" "start" "-a" "6f976d24be3c57aaeb1a5324969c58bb2590ac372275ddf6725c11db940473ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling version-compare v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling gio v0.18.4
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling gtk v0.18.2
[INFO] [stderr]    Compiling libxdo-sys v0.11.0
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling instability v0.3.10
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking rustix v0.38.44
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking libxdo v0.6.0
[INFO] [stderr]     Checking pxfm v0.1.26
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling schemars_derive v1.1.0
[INFO] [stderr]     Checking dpi v0.1.2
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]    Compiling toml v0.8.2
[INFO] [stderr]    Compiling proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling system-deps v6.2.2
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/3fada14ee01d755dc8076e611f11bf65b28ffd21/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=a700863c693dc4ba -C extra-filename=-39b67c13e9ddef99 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-e576ddda93472a3b.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-c825ae5183b465a3.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-22213700d03a3054.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-d5cae02d832a2315.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-28e5d92fe899e1fc.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-1bc581a20d952255.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-adc373add51865f0.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-5cecbae01b8c8dea.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-b0f739f431539d89.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-851681635ce5bc18.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6f976d24be3c57aaeb1a5324969c58bb2590ac372275ddf6725c11db940473ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f976d24be3c57aaeb1a5324969c58bb2590ac372275ddf6725c11db940473ca", kill_on_drop: false }`
[INFO] [stdout] 6f976d24be3c57aaeb1a5324969c58bb2590ac372275ddf6725c11db940473ca