[INFO] fetching crate poly-mcp 0.5.0...
[INFO] testing poly-mcp-0.5.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate poly-mcp 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate poly-mcp 0.5.0
[INFO] finished tweaking crates.io crate poly-mcp 0.5.0
[INFO] tweaked toml for crates.io crate poly-mcp 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate poly-mcp 0.5.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate poly-mcp 0.5.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time-core v0.1.7
[INFO] [stderr]   Downloaded endi v1.1.1
[INFO] [stderr]   Downloaded objc-foundation v0.1.1
[INFO] [stderr]   Downloaded block-sys v0.2.1
[INFO] [stderr]   Downloaded tree_magic_mini v3.2.2
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[INFO] [stderr]   Downloaded windows-interface v0.56.0
[INFO] [stderr]   Downloaded zvariant_utils v3.3.0
[INFO] [stderr]   Downloaded wayland-sys v0.29.5
[INFO] [stderr]   Downloaded wl-clipboard-rs v0.7.0
[INFO] [stderr]   Downloaded wayland-commons v0.29.5
[INFO] [stderr]   Downloaded windows-core v0.56.0
[INFO] [stderr]   Downloaded wayland-client v0.29.5
[INFO] [stderr]   Downloaded html5ever v0.27.0
[INFO] [stderr]   Downloaded enigo v0.2.1
[INFO] [stderr]   Downloaded zvariant v5.9.1
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[INFO] [stderr]   Downloaded wayland-protocols v0.29.5
[INFO] [stderr]   Downloaded fancy-regex v0.12.0
[INFO] [stderr]   Downloaded zbus v5.13.1
[INFO] [stderr]   Downloaded x11rb v0.10.1
[INFO] [stderr]   Downloaded xcb v1.7.0
[INFO] [stderr]   Downloaded git2 v0.18.3
[INFO] [stderr]   Downloaded time v0.3.45
[INFO] [stderr]   Downloaded flate2 v1.1.8
[INFO] [stderr]   Downloaded html2md v0.2.15
[INFO] [stderr]   Downloaded notify-rust v4.11.7
[INFO] [stderr]   Downloaded tungstenite v0.21.0
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.3.0
[INFO] [stderr]   Downloaded xkbcommon v0.7.0
[INFO] [stderr]   Downloaded x11rb-protocol v0.10.0
[INFO] [stderr]   Downloaded markup5ever v0.12.1
[INFO] [stderr]   Downloaded xml5ever v0.18.1
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] [stderr]   Downloaded tauri-winrt-notification v0.7.2
[INFO] [stderr]   Downloaded zbus_macros v5.13.1
[INFO] [stderr]   Downloaded zbus_names v4.3.1
[INFO] [stderr]   Downloaded zvariant_derive v5.9.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.21.0
[INFO] [stderr]   Downloaded dbus v0.9.10
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[INFO] [stderr]   Downloaded cli-clipboard v0.4.0
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[INFO] [stderr]   Downloaded mac-notification-sys v0.6.9
[INFO] [stderr]   Downloaded uds_windows v1.1.0
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[INFO] [stderr]   Downloaded libdbus-sys v0.2.7
[INFO] [stderr]   Downloaded libgit2-sys v0.16.2+1.7.2
[INFO] [stderr]   Downloaded tiktoken-rs v0.5.9
[INFO] [stderr]   Downloaded windows v0.56.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c6e5d2d42ab4f37c0d90588c9eab3c3cbea59d6d8e5b323269788b56501be5f
[INFO] running `Command { std: "docker" "start" "-a" "7c6e5d2d42ab4f37c0d90588c9eab3c3cbea59d6d8e5b323269788b56501be5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c6e5d2d42ab4f37c0d90588c9eab3c3cbea59d6d8e5b323269788b56501be5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6e5d2d42ab4f37c0d90588c9eab3c3cbea59d6d8e5b323269788b56501be5f", kill_on_drop: false }`
[INFO] [stdout] 7c6e5d2d42ab4f37c0d90588c9eab3c3cbea59d6d8e5b323269788b56501be5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72683cbbb0904522e48b50255a21e98714d1b02b383e335f7b39375f3d24902c
[INFO] running `Command { std: "docker" "start" "-a" "72683cbbb0904522e48b50255a21e98714d1b02b383e335f7b39375f3d24902c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling xml-rs v0.8.28
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling endi v1.1.1
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]    Compiling as-slice v0.2.1
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[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling aligned v0.4.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]    Compiling y4m v0.8.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling zmij v1.0.14
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling bitstream-io v4.9.0
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.7
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling weezl v0.1.12
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling zune-core v0.5.1
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling gethostname v0.2.3
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling zune-jpeg v0.5.15
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling libgit2-sys v0.16.2+1.7.2
[INFO] [stderr]    Compiling xcb v1.7.0
[INFO] [stderr]    Compiling avif-serialize v0.8.8
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling lebe v0.5.3
[INFO] [stderr]    Compiling rgb v0.8.53
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling pxfm v0.1.28
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling png v0.18.1
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling image-webp v0.2.4
[INFO] [stderr]    Compiling gif v0.14.1
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=0b8e7e11fc9cddc5 -C extra-filename=-c080b5de7820f5a5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a2b234d7c0abda16.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c09fc7d16e117703.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9585ebe1b7d486be.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=2e2903ea69a779ff -C extra-filename=-5d10c74af6145166 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a2b234d7c0abda16.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c09fc7d16e117703.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9585ebe1b7d486be.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "72683cbbb0904522e48b50255a21e98714d1b02b383e335f7b39375f3d24902c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72683cbbb0904522e48b50255a21e98714d1b02b383e335f7b39375f3d24902c", kill_on_drop: false }`
[INFO] [stdout] 72683cbbb0904522e48b50255a21e98714d1b02b383e335f7b39375f3d24902c
