[INFO] fetching crate cosmol_viewer_core 0.5.0-rc.7...
[INFO] testing cosmol_viewer_core-0.5.0-rc.7 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-3
[INFO] extracting crate cosmol_viewer_core 0.5.0-rc.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cosmol_viewer_core 0.5.0-rc.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cosmol_viewer_core 0.5.0-rc.7
[INFO] tweaked toml for crates.io crate cosmol_viewer_core 0.5.0-rc.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cosmol_viewer_core 0.5.0-rc.7 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cosmol_viewer_core 0.5.0-rc.7 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" "+1.100.0-beta.1" "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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47
[INFO] running `Command { std: "docker" "start" "981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling cc v1.7.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling glob v0.3.4
[INFO] [stderr]    Compiling dlib v0.5.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling zerocopy v0.8.62
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling quick-xml v0.41.0
[INFO] [stderr]    Compiling clang-sys v1.9.1
[INFO] [stderr]    Compiling wayland-client v0.31.15
[INFO] [stderr]    Compiling iceoryx2-pal-concurrency-sync v0.10.0
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling syn v3.0.7
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rustc-hash v2.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]    Compiling wayland-scanner v0.31.11
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling iceoryx2-pal-configuration v0.10.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling wayland-backend v0.3.17
[INFO] [stderr]    Compiling xml-rs v0.8.29
[INFO] [stderr]    Compiling iceoryx2-bb-elementary-traits v0.10.0
[INFO] [stderr]    Compiling iceoryx2-log-types v0.10.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling iceoryx2-log v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling iceoryx2-bb-concurrency v0.10.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling euclid v0.22.14
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling polycool v0.4.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling kurbo v0.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling linebender_resource_handle v0.1.1
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling guillotiere v0.7.0
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling xkeysym v0.2.1
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling unicode-general-category v1.1.0
[INFO] [stderr]    Compiling fearless_simd v0.4.1
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --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"' --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=bb6c102289b11962 -C extra-filename=-03f401d2ab48b04d --out-dir /opt/rustwide/target/release/build/syn/03f401d2ab48b04d/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out/libproc_macro2-568395be76da8392.rmeta --extern quote=/opt/rustwide/target/release/build/quote/8c6c51122be409c2/out/libquote-8c6c51122be409c2.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out/libunicode_ident-252fc9bf0a40533c.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --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=34fd1165fe9106a2 -C extra-filename=-b3577df7b2da6578 --out-dir /opt/rustwide/target/release/build/syn/b3577df7b2da6578/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out/libproc_macro2-568395be76da8392.rmeta --extern quote=/opt/rustwide/target/release/build/quote/8c6c51122be409c2/out/libquote-8c6c51122be409c2.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out/libunicode_ident-252fc9bf0a40533c.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47", kill_on_drop: false }`
[INFO] [stdout] 981dcf809d8fd4502228a64a44c9f6245906ddf5c8dd64287be508fa1706ba47