[INFO] fetching crate dwn 0.4.0...
[INFO] testing dwn-0.4.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dwn 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dwn 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dwn 0.4.0
[INFO] tweaked toml for crates.io crate dwn 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dwn 0.4.0 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 dwn 0.4.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855
[INFO] running `Command { std: "docker" "start" "786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855", 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" "786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855" "/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" "786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855", 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" "786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855" "/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 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling unsigned-varint v0.8.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling const-str v0.4.3
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling quick-protobuf v0.8.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling redb v2.6.3
[INFO] [stderr]    Compiling redb v1.5.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling match-lookup v0.1.1
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling borrow-or-share v0.2.2
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling base256emoji v1.0.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling fraction v0.15.3
[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-2.0.106/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=e5b911d97f6d1f1f -C extra-filename=-ae9206da16e8945e --out-dir /opt/rustwide/target/release/build/syn/ae9206da16e8945e/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/84a6f2dfd6ebc342/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/89ce7184ff3ede1a/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/84a6f2dfd6ebc342/out/libproc_macro2-84a6f2dfd6ebc342.rmeta --extern quote=/opt/rustwide/target/release/build/quote/b4907a4b7cf4387f/out/libquote-b4907a4b7cf4387f.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/89ce7184ff3ede1a/out/libunicode_ident-89ce7184ff3ede1a.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] running `Command { std: "docker" "inspect" "786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855", kill_on_drop: false }`
[INFO] [stdout] 786c0ec1200d3570563ecbaa37ca551eb8b904c04b026e25b131a9d602bd4855
