[INFO] fetching crate rmcp-mux 0.3.1...
[INFO] testing rmcp-mux-0.3.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rmcp-mux 0.3.1 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmcp-mux 0.3.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libxdo-sys v0.11.0
[INFO] [stderr]   Downloaded instability v0.3.10
[INFO] [stderr]   Downloaded pastey v0.2.0
[INFO] [stderr]   Downloaded libxdo v0.6.0
[INFO] [stderr]   Downloaded rmcp-macros v0.10.0
[INFO] [stderr]   Downloaded moxcms v0.7.10
[INFO] [stderr]   Downloaded crossterm v0.27.0
[INFO] [stderr]   Downloaded rmcp v0.10.0
[INFO] [stderr]   Downloaded ratatui v0.28.1
[INFO] [stderr]   Downloaded pxfm v0.1.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9836f0c64c9a0831d633c16bae956638e26a17d7e552dfdbab07922cd8d1defd
[INFO] running `Command { std: "docker" "start" "-a" "9836f0c64c9a0831d633c16bae956638e26a17d7e552dfdbab07922cd8d1defd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9836f0c64c9a0831d633c16bae956638e26a17d7e552dfdbab07922cd8d1defd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9836f0c64c9a0831d633c16bae956638e26a17d7e552dfdbab07922cd8d1defd", kill_on_drop: false }`
[INFO] [stdout] 9836f0c64c9a0831d633c16bae956638e26a17d7e552dfdbab07922cd8d1defd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e11fafd11e485206afbf3c1083241b8aa8cc818f0a14da2cebbf65e55550145d
[INFO] running `Command { std: "docker" "start" "-a" "e11fafd11e485206afbf3c1083241b8aa8cc818f0a14da2cebbf65e55550145d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling gio v0.18.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling gtk v0.18.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libxdo-sys v0.11.0
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling instability v0.3.10
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling libxdo v0.6.0
[INFO] [stderr]    Compiling tracing v0.1.43
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling pxfm v0.1.26
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling dpi v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling schemars_derive v1.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling regex-automata v0.4.13
[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/562dee4820c458d823175268e41601d4c060588a/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,link -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=9460ab1ad61ddb78 -C extra-filename=-0b8cde313554ba0b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-c679acf38b3b9ea3.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-fc6bb1738f00fc87.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-972ebb79349338ae.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-882a0b780072fdbb.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-be8442ee548d90f9.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-19b3aba2be9e7ae8.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-f9c66c7ba21bf873.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-bedc6e0acd72ff2a.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-9a5791cba021167a.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-8c0cbfb396425d81.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" "e11fafd11e485206afbf3c1083241b8aa8cc818f0a14da2cebbf65e55550145d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11fafd11e485206afbf3c1083241b8aa8cc818f0a14da2cebbf65e55550145d", kill_on_drop: false }`
[INFO] [stdout] e11fafd11e485206afbf3c1083241b8aa8cc818f0a14da2cebbf65e55550145d