[INFO] fetching crate context-mcp 0.1.6...
[INFO] checking context-mcp-0.1.6 against try#579169d0e78824dc60934e5eb74cd3841f2b33e8 for pr-149328
[INFO] extracting crate context-mcp 0.1.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate context-mcp 0.1.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate context-mcp 0.1.6
[INFO] tweaked toml for crates.io crate context-mcp 0.1.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate context-mcp 0.1.6 on toolchain 579169d0e78824dc60934e5eb74cd3841f2b33e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate context-mcp 0.1.6 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" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 915f295e0e9b9478173bf16a5867352ebaa3d8ece6c493b30fcff8056996cef5
[INFO] running `Command { std: "docker" "start" "-a" "915f295e0e9b9478173bf16a5867352ebaa3d8ece6c493b30fcff8056996cef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "915f295e0e9b9478173bf16a5867352ebaa3d8ece6c493b30fcff8056996cef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915f295e0e9b9478173bf16a5867352ebaa3d8ece6c493b30fcff8056996cef5", kill_on_drop: false }`
[INFO] [stdout] 915f295e0e9b9478173bf16a5867352ebaa3d8ece6c493b30fcff8056996cef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ffee8060b75b517c294e1d31854eb38d559128b2c3b06af61f9c00488823497
[INFO] running `Command { std: "docker" "start" "-a" "8ffee8060b75b517c294e1d31854eb38d559128b2c3b06af61f9c00488823497", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking gix-trace v0.1.17
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking jiff v0.2.18
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking gix-utils v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking zlib-rs v0.5.5
[INFO] [stderr]     Checking gix-utils v0.1.14
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking sha1-checked v0.10.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking winnow v0.6.26
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking shell-words v1.1.1
[INFO] [stderr]     Checking kstring v2.0.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking prodash v30.0.1
[INFO] [stderr]     Checking prodash v29.0.2
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking compression-codecs v0.4.36
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking openssl-probe v0.2.0
[INFO] [stderr]     Checking webpki-roots v1.0.5
[INFO] [stderr]     Checking faster-hex v0.10.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking clru v0.6.2
[INFO] [stderr]     Checking arc-swap v1.8.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking gix-sec v0.12.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking gix-sec v0.10.12
[INFO] [stderr]     Checking io-close v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking uluru v3.1.0
[INFO] [stderr]     Checking camino v1.2.2
[INFO] [stderr]    Compiling fs-err v3.2.2
[INFO] [stderr]     Checking smol_str v0.3.5
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]     Checking twox-hash v2.1.2
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking libz-rs-sys v0.5.5
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking wasmparser v0.207.0
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking binfarce v0.2.1
[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking toml v0.9.11+spec-1.1.0
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]     Checking toml-span v0.6.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking cfg-expr v0.18.0
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking petgraph v0.7.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking color-eyre v0.6.5
[INFO] [stderr]     Checking quitters v0.1.0
[INFO] [stderr]     Checking lru v0.16.3
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking globset v0.4.18
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking spdx v0.10.9
[INFO] [stderr]     Checking fern v0.7.1
[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/579169d0e78824dc60934e5eb74cd3841f2b33e8/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=daac2f33033b1c73 -C extra-filename=-538f5f7c9991a079 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fce1a70fd2c3744d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e054a971070e2c6a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (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/579169d0e78824dc60934e5eb74cd3841f2b33e8/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=924499ec0c93f174 -C extra-filename=-c4e637ee218314b7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fce1a70fd2c3744d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e054a971070e2c6a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8ffee8060b75b517c294e1d31854eb38d559128b2c3b06af61f9c00488823497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffee8060b75b517c294e1d31854eb38d559128b2c3b06af61f9c00488823497", kill_on_drop: false }`
[INFO] [stdout] 8ffee8060b75b517c294e1d31854eb38d559128b2c3b06af61f9c00488823497