[INFO] fetching crate debcargo 2.8.4...
[INFO] testing debcargo-2.8.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate debcargo 2.8.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate debcargo 2.8.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate debcargo 2.8.4
[INFO] tweaked toml for crates.io crate debcargo 2.8.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate debcargo 2.8.4 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 debcargo 2.8.4 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_norway v0.9.42
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[INFO] [stderr]   Downloaded crates-io v0.40.16
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[INFO] [stderr]   Downloaded libgit2-sys v0.18.3+1.9.2
[INFO] [stderr]   Downloaded curl-sys v0.4.85+curl-8.18.0
[INFO] [stderr]   Downloaded cargo v0.94.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc
[INFO] running `Command { std: "docker" "start" "d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc", 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" "d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc" "/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" "d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc", 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" "d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling gix-trace v0.1.18
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling zlib-rs v0.5.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling shell-words v1.1.1
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling faster-hex v0.10.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling erased-serde v0.4.10
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling sha1-checked v0.10.0
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling imara-diff v0.1.8
[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-2.0.117/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="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=c2908003a4047082 -C extra-filename=-2884cdbc01cf13e8 --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-ef13cdd4e3a95223.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-d071ef33497db442.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-3d1450b03eaa80c7.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc", kill_on_drop: false }`
[INFO] [stdout] d602fda49a5dac70ccef8e222d3139b520a814597ec76eeb350f86f5556514bc
