[INFO] fetching crate symbiotic 0.1.0...
[INFO] testing symbiotic-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-3
[INFO] extracting crate symbiotic 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate symbiotic 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate symbiotic 0.1.0
[INFO] tweaked toml for crates.io crate symbiotic 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate symbiotic 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate symbiotic 0.1.0 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" "+1.99.0-beta.8" "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 wasi v0.14.7+wasi-0.2.4
[INFO] [stderr]   Downloaded cc v1.2.38
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[INFO] [stderr]   Downloaded tonic-prost-build v0.14.4
[INFO] [stderr]   Downloaded symbiotic_macros v0.1.0
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[INFO] [stderr]   Downloaded perf-event-data v0.1.8
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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] 5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07
[INFO] running `Command { std: "docker" "start" "5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07", 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" "5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07", 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" "5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling cc v1.2.38
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling symbolic-demangle v12.16.3
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling symbolic-common v12.16.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling pprof v0.15.0
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling term v0.7.0
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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 -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=a02909c9b00540d0 -C extra-filename=-8c6d03e90e734411 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-84396e5dfd8548a6.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-dee81386458e4596.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-89ce7184ff3ede1a.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 `object` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/object-0.36.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' --cfg 'feature="xcoff"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "alloc", "archive", "build", "build_core", "cargo-all", "coff", "compiler_builtins", "compression", "core", "default", "doc", "elf", "macho", "pe", "read", "read_core", "rustc-dep-of-std", "std", "unaligned", "unstable", "unstable-all", "wasm", "write", "write_core", "write_std", "xcoff"))' -C metadata=0b1038f8e556d75d -C extra-filename=-7e6a024e9f9b2405 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern memchr=/opt/rustwide/target/release/deps/libmemchr-1575c1aec56f4c4b.rmeta --cap-lints allow --cap-lints=warn --cfg core_error --check-cfg 'cfg(core_error)'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07", kill_on_drop: false }`
[INFO] [stdout] 5c4fdc431635f53cd97228d85d496f293a22fefd0f93d2b920dbfe0e5d49cb07