[INFO] fetching crate silver-platter 0.6.1...
[INFO] building silver-platter-0.6.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate silver-platter 0.6.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate silver-platter 0.6.1
[INFO] finished tweaking crates.io crate silver-platter 0.6.1
[INFO] tweaked toml for crates.io crate silver-platter 0.6.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate silver-platter 0.6.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate silver-platter 0.6.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xdg v3.0.0
[INFO] [stderr]   Downloaded trivialdb v0.1.9
[INFO] [stderr]   Downloaded dirty-tracker v0.3.0
[INFO] [stderr]   Downloaded deb822-derive v0.3.0
[INFO] [stderr]   Downloaded dtor-proc-macro v0.0.6
[INFO] [stderr]   Downloaded gpgme-sys v0.11.0
[INFO] [stderr]   Downloaded xmltree v0.11.0
[INFO] [stderr]   Downloaded ctor v0.5.0
[INFO] [stderr]   Downloaded dtor v0.1.0
[INFO] [stderr]   Downloaded build-rs v0.1.2
[INFO] [stderr]   Downloaded html2md v0.2.15
[INFO] [stderr]   Downloaded rowan v0.16.1
[INFO] [stderr]   Downloaded distro-info v0.4.0
[INFO] [stderr]   Downloaded debian-analyzer v0.159.3
[INFO] [stderr]   Downloaded debian-control v0.1.48
[INFO] [stderr]   Downloaded breezyshim v0.6.5
[INFO] [stderr]   Downloaded wadl v0.5.1
[INFO] [stderr]   Downloaded wasi v0.14.4+wasi-0.2.4
[INFO] [stderr]   Downloaded gpgme v0.11.0
[INFO] [stderr]   Downloaded toml_edit v0.23.4
[INFO] [stderr]   Downloaded debian-changelog v0.2.1
[INFO] [stderr]   Downloaded gpg-error v0.6.2
[INFO] [stderr]   Downloaded cfg-expr v0.20.2
[INFO] [stderr]   Downloaded configparser v3.1.0
[INFO] [stderr]   Downloaded patchkit v0.2.1
[INFO] [stderr]   Downloaded dep3 v0.1.28
[INFO] [stderr]   Downloaded makefile-lossless v0.2.1
[INFO] [stderr]   Downloaded debversion v0.4.7
[INFO] [stderr]   Downloaded debian-copyright v0.1.28
[INFO] [stderr]   Downloaded deb822-derive v0.2.0
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[INFO] [stderr]   Downloaded libgpg-error-sys v0.6.2
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[INFO] [stderr]   Downloaded deb822-lossless v0.2.4
[INFO] [stderr]   Downloaded deb822-lossless v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c911f9383ebb1e3d3b9621d0445702fda4fa04ca6c700378ae9a681e6f044732
[INFO] running `Command { std: "docker" "start" "-a" "c911f9383ebb1e3d3b9621d0445702fda4fa04ca6c700378ae9a681e6f044732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c911f9383ebb1e3d3b9621d0445702fda4fa04ca6c700378ae9a681e6f044732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c911f9383ebb1e3d3b9621d0445702fda4fa04ca6c700378ae9a681e6f044732", kill_on_drop: false }`
[INFO] [stdout] c911f9383ebb1e3d3b9621d0445702fda4fa04ca6c700378ae9a681e6f044732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4569ac77be5dafcd996210dbcfe29106837e9b3f5068f2534ba720d6ce2d79c
[INFO] running `Command { std: "docker" "start" "-a" "b4569ac77be5dafcd996210dbcfe29106837e9b3f5068f2534ba720d6ce2d79c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling pyo3-build-config v0.25.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling xmltree v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling rowan v0.16.1
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling pyo3-ffi v0.25.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.1
[INFO] [stderr]    Compiling pyo3 v0.25.1
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling dtor-proc-macro v0.0.6
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling clap_builder v4.5.47
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling dtor v0.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling whoami v1.6.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[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/ad85bc524b1ad696e42061ad8338d382dffbdbe5/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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"' --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=65c7977e6ffce01d -C extra-filename=-c262a97628ff7953 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "b4569ac77be5dafcd996210dbcfe29106837e9b3f5068f2534ba720d6ce2d79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4569ac77be5dafcd996210dbcfe29106837e9b3f5068f2534ba720d6ce2d79c", kill_on_drop: false }`
[INFO] [stdout] b4569ac77be5dafcd996210dbcfe29106837e9b3f5068f2534ba720d6ce2d79c